Merge pull request #46100 from alyssais/cargo-edit

cargo-edit: 0.2.0 -> 0.3.0

3 files changed, 35 insertions, 1926 deletions

diff --git a/pkgs/tools/package-management/cargo-edit/cargo-edit.nix b/pkgs/tools/package-management/cargo-edit/cargo-edit.nix
deleted file mode 100644
index 7224c11f183f..000000000000
--- a/pkgs/tools/package-management/cargo-edit/cargo-edit.nix
+++ /dev/null
@@ -1,1905 +0,0 @@
-# Generated by carnix 0.6.6: carnix -o cargo-edit.nix --src ./. Cargo.lock --standalone
-{ pkgs }:
-
-with pkgs;
-let kernel = stdenv.buildPlatform.parsed.kernel.name;
-    updateFeatures = f: up: functions: builtins.deepSeq f (lib.lists.foldl' (features: fun: fun features) (lib.attrsets.recursiveUpdate f up) functions);
-    mapFeatures = features: map (fun: fun { features = features; });
-    mkFeatures = feat: lib.lists.foldl (features: featureName:
-      if feat.${featureName} or false then
-        [ featureName ] ++ features
-      else
-        features
-    ) [] (builtins.attrNames feat);
-in
-rec {
-  cargo_edit = f: cargo_edit_0_2_0 { features = cargo_edit_0_2_0_features { cargo_edit_0_2_0 = f; }; };
-  adler32_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "adler32";
-    version = "1.0.0";
-    authors = [ "Remi Rampin <remirampin@gmail.com>" ];
-    sha256 = "0pj35a7m4apn5xjg9n63gsdj6w8iw76zg4p9znrij43xnfqp084w";
-    inherit dependencies buildDependencies features;
-  };
-  advapi32_sys_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "advapi32-sys";
-    version = "0.2.0";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1l6789hkz2whd9gklwz1m379kcvyizaj8nnzj3rn4a5h79yg59v7";
-    libName = "advapi32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  aho_corasick_0_6_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "aho-corasick";
-    version = "0.6.3";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "1cpqzf6acj8lm06z3f1cg41wn6c2n9l3v49nh0dvimv4055qib6k";
-    libName = "aho_corasick";
-    crateBin = [ {  name = "aho-corasick-dot"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  assert_cli_0_4_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "assert_cli";
-    version = "0.4.0";
-    authors = [ "Pascal Hertleif <killercup@gmail.com>" ];
-    sha256 = "0jq138q0wma5b149ixjv43al19xnzwgp67s908mh4cma1ar4rxbn";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  backtrace_0_3_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "backtrace";
-    version = "0.3.2";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" "The Rust Project Developers" ];
-    sha256 = "0cj0ynv5p2f5ghisw58yjwrw4gvpji6sh12kk9j0228j7bhjznv7";
-    inherit dependencies buildDependencies features;
-  };
-  backtrace_sys_0_1_11_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "backtrace-sys";
-    version = "0.1.11";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "06c6s9hsygix25awgcfa1gnzvihc7kvv5apnmf6p15l4phwzz6x6";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  base64_0_6_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "base64";
-    version = "0.6.0";
-    authors = [ "Alice Maz <alice@alicemaz.com>" "Marshall Pierce <marshall@mpierce.org>" ];
-    sha256 = "0ql1rmczbnww3iszc0pfc6mqa47ravpsdf525vp6s8r32nyzspl5";
-    inherit dependencies buildDependencies features;
-  };
-  bitflags_0_9_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "bitflags";
-    version = "0.9.1";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "18h073l5jd88rx4qdr95fjddr9rk79pb1aqnshzdnw16cfmb9rws";
-    inherit dependencies buildDependencies features;
-  };
-  byteorder_1_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "byteorder";
-    version = "1.1.0";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "1i2n0161jm00zvzh4bncgv9zrwa6ydbxdn5j4bx0wwn7rvi9zycp";
-    inherit dependencies buildDependencies features;
-  };
-  bytes_0_4_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "bytes";
-    version = "0.4.4";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "028l4zlrjbr62y92slr84zil8h1bypqr7g545i566gf7cbss7hsp";
-    inherit dependencies buildDependencies features;
-  };
-  cargo_edit_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "cargo-edit";
-    version = "0.2.0";
-    authors = [ "Without Boats <lee@libertad.ucsd.edu>" "Pascal Hertleif <killercup@gmail.com>" "Sebastian Garrido <sebasgarcep@gmail.com>" "Jonas Platte <mail@jonasplatte.de>" "Benjamin Gill <git@bgill.eu>" "Andronik Ordian <write@reusable.software>" ];
-    src = ./.;
-    crateBin = [ {  name = "cargo-add";  path = "src/bin/add/main.rs"; } {  name = "cargo-rm";  path = "src/bin/rm/main.rs"; } {  name = "cargo-upgrade";  path = "src/bin/upgrade/main.rs"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  cfg_if_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "cfg-if";
-    version = "0.1.2";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0x06hvrrqy96m97593823vvxcgvjaxckghwyy2jcyc8qc7c6cyhi";
-    inherit dependencies buildDependencies features;
-  };
-  colored_1_5_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "colored";
-    version = "1.5.2";
-    authors = [ "Thomas Wickham <mackwic@gmail.com>" ];
-    sha256 = "0d7c6vpqzlabph7qr29hdjgsks8z9hqcarzl8z5dfb8cnnrfrhzn";
-    inherit dependencies buildDependencies features;
-  };
-  core_foundation_0_2_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "core-foundation";
-    version = "0.2.3";
-    authors = [ "The Servo Project Developers" ];
-    sha256 = "1g0vpya5h2wa0nlz4a74jar6y8z09f0p76zbzfqrm3dbfsrld1pm";
-    inherit dependencies buildDependencies features;
-  };
-  core_foundation_sys_0_2_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "core-foundation-sys";
-    version = "0.2.3";
-    authors = [ "The Servo Project Developers" ];
-    sha256 = "19s0d03294m9s5j8cvy345db3gkhs2y02j5268ap0c6ky5apl53s";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  crypt32_sys_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "crypt32-sys";
-    version = "0.2.0";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1vy1q3ayc7f4wiwyxw31hd12cvs7791x3by6ka9wbxhm5gzfs3d0";
-    libName = "crypt32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  dbghelp_sys_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "dbghelp-sys";
-    version = "0.2.0";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "0ylpi3bbiy233m57hnisn1df1v0lbl7nsxn34b0anzsgg440hqpq";
-    libName = "dbghelp";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  difference_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "difference";
-    version = "1.0.0";
-    authors = [ "Johann Hofmann <mail@johann-hofmann.com>" ];
-    sha256 = "0r1p2diin8zykfiifv6v9i3ajimdb1rg6qzxkrfw2n2iy57846qn";
-    crateBin = [ {  name = "difference"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  docopt_0_8_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "docopt";
-    version = "0.8.1";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "0kmqy534qgcc2hh81nd248jmnvdjb5y4wclddd7y2jjm27rzibss";
-    crateBin = [ {  name = "docopt-wordlist";  path = "src/wordlist.rs"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  dtoa_0_4_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "dtoa";
-    version = "0.4.1";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0mgg4r90yby68qg7y8csbclhsm53ac26vsyq615viq535plllhzw";
-    inherit dependencies buildDependencies features;
-  };
-  error_chain_0_10_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "error-chain";
-    version = "0.10.0";
-    authors = [ "Brian Anderson <banderson@mozilla.com>" "Paul Colomiets <paul@colomiets.name>" "Colin Kiegel <kiegel@gmx.de>" "Yamakaky <yamakaky@yamaworld.fr>" ];
-    sha256 = "1xxbzd8cjlpzsb9fsih7mdnndhzrvykj0w77yg90qc85az1xwy5z";
-    inherit dependencies buildDependencies features;
-  };
-  foreign_types_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "foreign-types";
-    version = "0.2.0";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "1sznwg2py4xi7hyrx0gg1sirlwgh87wsanvjx3zb475g6c4139jh";
-    inherit dependencies buildDependencies features;
-  };
-  futures_0_1_14_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "futures";
-    version = "0.1.14";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1s53l50dy9abbycc88ghz1s76yfacygrxr3vnkl132m9ja0qi9nl";
-    inherit dependencies buildDependencies features;
-  };
-  futures_cpupool_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "futures-cpupool";
-    version = "0.1.5";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1i001y0qv8pvvqd2ch1gsxw97286bcf789mlnhaindjzhm7x8fi6";
-    inherit dependencies buildDependencies features;
-  };
-  gcc_0_3_51_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "gcc";
-    version = "0.3.51";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0h2lnfakbvyn7lzpi5x41y30d5pzwz3172bdjzxxm4j59ipby563";
-    inherit dependencies buildDependencies features;
-  };
-  getopts_0_2_14_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "getopts";
-    version = "0.2.14";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1wdz34vls97g9868h8kiw4wmwkbyxg4xm3xzvr1542hc3w4c7z0a";
-    inherit dependencies buildDependencies features;
-  };
-  httparse_1_2_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "httparse";
-    version = "1.2.3";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "13x17y9bip0bija06y4vwpgh8jdmdi2gsvjq02kyfy0fbp5cqa93";
-    inherit dependencies buildDependencies features;
-  };
-  hyper_0_11_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "hyper";
-    version = "0.11.1";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "0al73rns6d18f09v872hasr5sf56mpzg4cpzi9g0118fy6v2z21a";
-    inherit dependencies buildDependencies features;
-  };
-  hyper_tls_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "hyper-tls";
-    version = "0.1.2";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "0n39sb8sc2pzdg501nshmv35q0r9pnrfjh8r1pdlygwxgcni9n3d";
-    inherit dependencies buildDependencies features;
-  };
-  idna_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "idna";
-    version = "0.1.4";
-    authors = [ "The rust-url developers" ];
-    sha256 = "15j44qgjx1skwg9i7f4cm36ni4n99b1ayx23yxx7axxcw8vjf336";
-    inherit dependencies buildDependencies features;
-  };
-  iovec_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "iovec";
-    version = "0.1.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "01gmbcaamfms70ll964wj3akqbj5bf6zzi7nfj5y2hvzjxd959sj";
-    inherit dependencies buildDependencies features;
-  };
-  itoa_0_3_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "itoa";
-    version = "0.3.1";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0jp1wvfw0qqbyz0whbycp7xr5nx1ds5plh4wsfyj503xmjf9ab4k";
-    inherit dependencies buildDependencies features;
-  };
-  kernel32_sys_0_2_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "kernel32-sys";
-    version = "0.2.2";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1lrw1hbinyvr6cp28g60z97w32w8vsk6pahk64pmrv2fmby8srfj";
-    libName = "kernel32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  language_tags_0_2_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "language-tags";
-    version = "0.2.2";
-    authors = [ "Pyfisch <pyfisch@gmail.com>" ];
-    sha256 = "1zkrdzsqzzc7509kd7nngdwrp461glm2g09kqpzaqksp82frjdvy";
-    inherit dependencies buildDependencies features;
-  };
-  lazy_static_0_2_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "lazy_static";
-    version = "0.2.8";
-    authors = [ "Marvin Löbel <loebel.marvin@gmail.com>" ];
-    sha256 = "1xbpxx7cd5kl60g87g43q80jxyrsildhxfjc42jb1x4jncknpwbl";
-    inherit dependencies buildDependencies features;
-  };
-  lazycell_0_4_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "lazycell";
-    version = "0.4.0";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" "Nikita Pekin <contact@nikitapek.in>" ];
-    sha256 = "1vgxv62l8qh3m8gvjyrd7wkx44hih724ivssc1mwj7vq9gnhgl0d";
-    inherit dependencies buildDependencies features;
-  };
-  libc_0_2_26_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "libc";
-    version = "0.2.26";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0938y1yh2sr08zy8vpgj9wqk3nildip4ngpy2krvarzc8aqgvxrc";
-    inherit dependencies buildDependencies features;
-  };
-  libflate_0_1_10_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "libflate";
-    version = "0.1.10";
-    authors = [ "Takeru Ohta <phjgt308@gmail.com>" ];
-    sha256 = "123m6wz1qvczv8fnak0k71hb7gj2kkiw3sj3rv55gfmir2kgf6gk";
-    inherit dependencies buildDependencies features;
-  };
-  log_0_3_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "log";
-    version = "0.3.8";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1c43z4z85sxrsgir4s1hi84558ab5ic7jrn5qgmsiqcv90vvn006";
-    inherit dependencies buildDependencies features;
-  };
-  matches_0_1_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "matches";
-    version = "0.1.6";
-    authors = [ "Simon Sapin <simon.sapin@exyr.org>" ];
-    sha256 = "1zlrqlbvzxdil8z8ial2ihvxjwvlvg3g8dr0lcdpsjclkclasjan";
-    libPath = "lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  memchr_1_0_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "memchr";
-    version = "1.0.1";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" "bluss" ];
-    sha256 = "071m5y0zm9p1k7pzqm20f44ixvmycf71xsrpayqaypxrjwchnkxm";
-    inherit dependencies buildDependencies features;
-  };
-  mime_0_3_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "mime";
-    version = "0.3.2";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "10yv7sq2gbq8xdh4imrga3wqiar652y8y31f8jqxw313pwsks3m5";
-    inherit dependencies buildDependencies features;
-  };
-  mio_0_6_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "mio";
-    version = "0.6.9";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0fbx9mxqqzcp0jzm1xkg9h4l4l43vphv3zca4zpdc8ahadvfw6qh";
-    inherit dependencies buildDependencies features;
-  };
-  miow_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "miow";
-    version = "0.2.1";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "14f8zkc6ix7mkyis1vsqnim8m29b6l55abkba3p2yz7j1ibcvrl0";
-    inherit dependencies buildDependencies features;
-  };
-  native_tls_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "native-tls";
-    version = "0.1.4";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0q5y5i96mfpjbhx8y7w9rdq65mksw67m60bw4xqlybc8y6jkr99v";
-    inherit dependencies buildDependencies features;
-  };
-  net2_0_2_30_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "net2";
-    version = "0.2.30";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1gd7r0d646sa3fdj7rwyyx43fj7m9amqvmn0h4gv6sqcwgb7rlad";
-    inherit dependencies buildDependencies features;
-  };
-  num_traits_0_1_40_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "num-traits";
-    version = "0.1.40";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1fr8ghp4i97q3agki54i0hpmqxv3s65i2mqd1pinc7w7arc3fplw";
-    inherit dependencies buildDependencies features;
-  };
-  num_cpus_1_6_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "num_cpus";
-    version = "1.6.2";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "0wxfzxsk05xbkph5qcvdqyi334zn0pnpahzi7n7iagxbb68145rm";
-    inherit dependencies buildDependencies features;
-  };
-  openssl_0_9_14_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "openssl";
-    version = "0.9.14";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0z8bza11x7fbhzsa3xrp4hzv4sl83102yxaiigmsdh2a480xg6jl";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  openssl_sys_0_9_14_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "openssl-sys";
-    version = "0.9.14";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0wq8hanw6lsm7h49ql62b3z5immbk8dcbp61vddd0pi5rk53cb2w";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  pad_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pad";
-    version = "0.1.4";
-    authors = [ "Ben S <ogham@bsago.me>" ];
-    sha256 = "1ca30d5s6yx1cb5qa3hwxgl53m69cnn037disw3kr6cv7sy7mw1n";
-    inherit dependencies buildDependencies features;
-  };
-  percent_encoding_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "percent-encoding";
-    version = "1.0.0";
-    authors = [ "The rust-url developers" ];
-    sha256 = "0c91wp8inj7z270i2kilxjl00kcagqalxxnnjg7fsdlimdwb7q1z";
-    libPath = "lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  pkg_config_0_3_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pkg-config";
-    version = "0.3.9";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "06k8fxgrsrxj8mjpjcq1n7mn2p1shpxif4zg9y5h09c7vy20s146";
-    inherit dependencies buildDependencies features;
-  };
-  pretty_assertions_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pretty_assertions";
-    version = "0.2.1";
-    authors = [ "Colin Kiegel <kiegel@gmx.de>" ];
-    sha256 = "06i0q8xjs1kbv3g0amx997axm93znwvpmj560vxrzn7s55hb9a8i";
-    inherit dependencies buildDependencies features;
-  };
-  pulldown_cmark_0_0_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pulldown-cmark";
-    version = "0.0.3";
-    authors = [ "Raph Levien <raph@google.com>" ];
-    sha256 = "08wgdjqjnaz8yjvamdwcf1cqz18z795frkmbal9rgp9g2i1yrzwy";
-    inherit dependencies buildDependencies features;
-  };
-  quick_error_1_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "quick-error";
-    version = "1.2.0";
-    authors = [ "Paul Colomiets <paul@colomiets.name>" "Colin Kiegel <kiegel@gmx.de>" ];
-    sha256 = "1gc95wll0algrl2cqrym6x97sg07hslczn6wkbnkxfikrfissmga";
-    inherit dependencies buildDependencies features;
-  };
-  quote_0_3_15_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "quote";
-    version = "0.3.15";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "09il61jv4kd1360spaj46qwyl21fv1qz18fsv2jra8wdnlgl5jsg";
-    inherit dependencies buildDependencies features;
-  };
-  rand_0_3_15_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "rand";
-    version = "0.3.15";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1fs30rc1xic40s1n7l3y7pxzfifpy03mgrvhy5ggp5p7zjfv3rr8";
-    inherit dependencies buildDependencies features;
-  };
-  redox_syscall_0_1_26_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "redox_syscall";
-    version = "0.1.26";
-    authors = [ "Jeremy Soller <jackpot51@gmail.com>" ];
-    sha256 = "0hfnc05jwlkkkjpvzzfbx8anzgc2n81n92pmvb065hkqlarbjz85";
-    libName = "syscall";
-    inherit dependencies buildDependencies features;
-  };
-  regex_0_2_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "regex";
-    version = "0.2.2";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1f1zrrynfylg0vcfyfp60bybq4rp5g1yk2k7lc7fyz7mmc7k2qr7";
-    inherit dependencies buildDependencies features;
-  };
-  regex_syntax_0_4_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "regex-syntax";
-    version = "0.4.1";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "01yrsm68lj86ad1whgg1z95c2pfsvv58fz8qjcgw7mlszc0c08ls";
-    inherit dependencies buildDependencies features;
-  };
-  reqwest_0_7_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "reqwest";
-    version = "0.7.1";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "0w3x0f6wmha09jcv83dkw00gpl11afi2k4gsavl43ccfdfa4b2nh";
-    inherit dependencies buildDependencies features;
-  };
-  rustc_demangle_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "rustc-demangle";
-    version = "0.1.4";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0q7myf1m5r7cilayw5r2n5qraxwlcpdr7s2mq8c63pxrz48h24qv";
-    inherit dependencies buildDependencies features;
-  };
-  rustc_version_0_1_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "rustc_version";
-    version = "0.1.7";
-    authors = [ "Marvin Löbel <loebel.marvin@gmail.com>" ];
-    sha256 = "0plm9pbyvcwfibd0kbhzil9xmr1bvqi8fgwlfw0x4vali8s6s99p";
-    inherit dependencies buildDependencies features;
-  };
-  safemem_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "safemem";
-    version = "0.2.0";
-    authors = [ "Austin Bonander <austin.bonander@gmail.com>" ];
-    sha256 = "058m251q202n479ip1h6s91yw3plg66vsk5mpaflssn6rs5hijdm";
-    inherit dependencies buildDependencies features;
-  };
-  schannel_0_1_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "schannel";
-    version = "0.1.7";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" "Steffen Butzer <steffen.butzer@outlook.com>" ];
-    sha256 = "1np6wzxwj8r4kqmmz0a3w9dfs2zfwh0m7mrv7xpzxkpm4c4hcn5f";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  scoped_tls_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "scoped-tls";
-    version = "0.1.0";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1j8azxa15srljafrg7wc221npvxb3700sbfk6jjav0rw2zclsnf5";
-    inherit dependencies buildDependencies features;
-  };
-  secur32_sys_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "secur32-sys";
-    version = "0.2.0";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "0sp46ix9mx1156bidpfiq30xxsgmpva5jffls3259kxjqlxifcnx";
-    libName = "secur32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  security_framework_0_1_14_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "security-framework";
-    version = "0.1.14";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0xxxasrqls0ssflxjl2bf6bvljig0piy13pscbgkxd4zqw7w8i7q";
-    inherit dependencies buildDependencies features;
-  };
-  security_framework_sys_0_1_14_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "security-framework-sys";
-    version = "0.1.14";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "15ggkd39aq01yzrg0fxchciz9gf5wncl7k3mgvqmi7vk7hfhkcw7";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  semver_0_1_20_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "semver";
-    version = "0.1.20";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "05cdig0071hls2k8lxbqmyqpl0zjmc53i2d43mwzps033b8njh4n";
-    inherit dependencies buildDependencies features;
-  };
-  semver_0_7_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "semver";
-    version = "0.7.0";
-    authors = [ "Steve Klabnik <steve@steveklabnik.com>" "The Rust Project Developers" ];
-    sha256 = "079944bh20ldr41i96nk9b31igj555dl2d8mg51m4h0ccwric4l8";
-    inherit dependencies buildDependencies features;
-  };
-  semver_parser_0_7_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "semver-parser";
-    version = "0.7.0";
-    authors = [ "Steve Klabnik <steve@steveklabnik.com>" ];
-    sha256 = "1da66c8413yakx0y15k8c055yna5lyb6fr0fw9318kdwkrk5k12h";
-    inherit dependencies buildDependencies features;
-  };
-  serde_1_0_10_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde";
-    version = "1.0.10";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1p71hm8xpa7gfmhr2hzb4ah1ajhsmf3gh3i1fknf9ch8dn0qfycv";
-    inherit dependencies buildDependencies features;
-  };
-  serde_derive_1_0_10_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_derive";
-    version = "1.0.10";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1m5if144vqsjx9fk6g7b9x0cy8mam6w78yghv3fykngminklcjw6";
-    procMacro = true;
-    inherit dependencies buildDependencies features;
-  };
-  serde_derive_internals_0_15_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_derive_internals";
-    version = "0.15.1";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0s2i03rv2sppywan0z5qiif65b2wqc6lp5r5l71mz4nigrh04zrj";
-    inherit dependencies buildDependencies features;
-  };
-  serde_json_1_0_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_json";
-    version = "1.0.2";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0vabw2zciy8vy0hgj0khm1vwbvng4whwry7ylfl3ypd0inx84mn6";
-    inherit dependencies buildDependencies features;
-  };
-  serde_urlencoded_0_5_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_urlencoded";
-    version = "0.5.1";
-    authors = [ "Anthony Ramine <n.oxyde@gmail.com>" ];
-    sha256 = "0zh2wlnapmcwqhxnnq1mdlmg8vily7j54wvj01s7cvapzg5jphdl";
-    inherit dependencies buildDependencies features;
-  };
-  skeptic_0_5_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "skeptic";
-    version = "0.5.0";
-    authors = [ "Brian Anderson <banderson@mozilla.com>" ];
-    sha256 = "06vf19309psngmx61sg33czbkx1cg9bmw0wr66n9mqdhvwa4y52d";
-    libPath = "lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  slab_0_3_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "slab";
-    version = "0.3.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0y6lhjggksh57hyfd3l6p9wgv5nhvw9c6djrysq7jnalz8fih21k";
-    inherit dependencies buildDependencies features;
-  };
-  smallvec_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "smallvec";
-    version = "0.2.1";
-    authors = [ "Simon Sapin <simon.sapin@exyr.org>" ];
-    sha256 = "0rnsll9af52bpjngz0067dpm1ndqmh76i64a58fc118l4lvnjxw2";
-    libPath = "lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  strsim_0_6_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "strsim";
-    version = "0.6.0";
-    authors = [ "Danny Guo <dannyguo91@gmail.com>" ];
-    sha256 = "1lz85l6y68hr62lv4baww29yy7g8pg20dlr0lbaswxmmcb0wl7gd";
-    inherit dependencies buildDependencies features;
-  };
-  syn_0_11_11_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "syn";
-    version = "0.11.11";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0yw8ng7x1dn5a6ykg0ib49y7r9nhzgpiq2989rqdp7rdz3n85502";
-    inherit dependencies buildDependencies features;
-  };
-  synom_0_11_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "synom";
-    version = "0.11.3";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1l6d1s9qjfp6ng2s2z8219igvlv7gyk8gby97sdykqc1r93d8rhc";
-    inherit dependencies buildDependencies features;
-  };
-  take_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "take";
-    version = "0.1.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "17rfh39di5n8w9aghpic2r94cndi3dr04l60nkjylmxfxr3iwlhd";
-    inherit dependencies buildDependencies features;
-  };
-  tempdir_0_3_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tempdir";
-    version = "0.3.5";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0rirc5prqppzgd15fm8ayan349lgk2k5iqdkrbwrwrv5pm4znsnz";
-    inherit dependencies buildDependencies features;
-  };
-  thread_local_0_3_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "thread_local";
-    version = "0.3.4";
-    authors = [ "Amanieu d'Antras <amanieu@gmail.com>" ];
-    sha256 = "1y6cwyhhx2nkz4b3dziwhqdvgq830z8wjp32b40pjd8r0hxqv2jr";
-    inherit dependencies buildDependencies features;
-  };
-  time_0_1_38_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "time";
-    version = "0.1.38";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1ws283vvz7c6jfiwn53rmc6kybapr4pjaahfxxrz232b0qzw7gcp";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_core_0_1_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-core";
-    version = "0.1.8";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1wikhmk648j13dxy4dpi435dm943ph5bf4ldfhpxn23cbzlr2kcp";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_io_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-io";
-    version = "0.1.2";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "07ab05gmzq0xmi5h26wpvjzircax5bwfjgc3zzn62ll4rarz4pva";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_proto_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-proto";
-    version = "0.1.1";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "030q9h8pn1ngm80klff5irglxxki60hf5maw0mppmmr46k773z66";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_service_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-service";
-    version = "0.1.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0c85wm5qz9fabg0k6k763j89m43n6max72d3a8sxcs940id6qmih";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_tls_0_1_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-tls";
-    version = "0.1.3";
-    authors = [ "Carl Lerche <me@carllerche.com>" "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0ib58y81qr64m3gg0pn7k06b71r8b05cmvakzpgfqdsw0qj08sva";
-    inherit dependencies buildDependencies features;
-  };
-  toml_0_4_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "toml";
-    version = "0.4.2";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "12v5l461czglhspc0crn29brb9p67xx7n6karrrs87slvq4xc7f1";
-    inherit dependencies buildDependencies features;
-  };
-  unicase_2_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicase";
-    version = "2.0.0";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "1nmidnfn5cwp6dr6aln2ffk8yvdfsf3si3bq1znss5swi3i5v64w";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_bidi_0_3_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-bidi";
-    version = "0.3.4";
-    authors = [ "The Servo Project Developers" ];
-    sha256 = "0lcd6jasrf8p9p0q20qyf10c6xhvw40m2c4rr105hbk6zy26nj1q";
-    libName = "unicode_bidi";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_normalization_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-normalization";
-    version = "0.1.5";
-    authors = [ "kwantam <kwantam@gmail.com>" ];
-    sha256 = "0hg29g86fca7b65mwk4sm5s838js6bqrl0gabadbazvbsgjam0j5";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_width_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-width";
-    version = "0.1.4";
-    authors = [ "kwantam <kwantam@gmail.com>" ];
-    sha256 = "1rp7a04icn9y5c0lm74nrd4py0rdl0af8bhdwq7g478n1xifpifl";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_xid_0_0_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-xid";
-    version = "0.0.4";
-    authors = [ "erick.tryzelaar <erick.tryzelaar@gmail.com>" "kwantam <kwantam@gmail.com>" ];
-    sha256 = "1dc8wkkcd3s6534s5aw4lbjn8m67flkkbnajp5bl8408wdg8rh9v";
-    inherit dependencies buildDependencies features;
-  };
-  unreachable_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unreachable";
-    version = "1.0.0";
-    authors = [ "Jonathan Reem <jonathan.reem@gmail.com>" ];
-    sha256 = "1am8czbk5wwr25gbp2zr007744fxjshhdqjz9liz7wl4pnv3whcf";
-    inherit dependencies buildDependencies features;
-  };
-  url_1_5_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "url";
-    version = "1.5.1";
-    authors = [ "The rust-url developers" ];
-    sha256 = "1l2m7jdl2x09fdz60mjk63f61m3fjk1w5ykiadi9lxayg3bvppcw";
-    inherit dependencies buildDependencies features;
-  };
-  utf8_ranges_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "utf8-ranges";
-    version = "1.0.0";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "0rzmqprwjv9yp1n0qqgahgm24872x6c0xddfym5pfndy7a36vkn0";
-    inherit dependencies buildDependencies features;
-  };
-  void_1_0_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "void";
-    version = "1.0.2";
-    authors = [ "Jonathan Reem <jonathan.reem@gmail.com>" ];
-    sha256 = "0h1dm0dx8dhf56a83k68mijyxigqhizpskwxfdrs1drwv2cdclv3";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_0_2_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi";
-    version = "0.2.8";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "0a45b58ywf12vb7gvj6h3j264nydynmzyqz8d8rqxsj6icqv82as";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_build_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi-build";
-    version = "0.1.1";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1lxlpi87rkhxcwp2ykf1ldw3p108hwm24nywf3jfrvmff4rjhqga";
-    libName = "build";
-    inherit dependencies buildDependencies features;
-  };
-  ws2_32_sys_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "ws2_32-sys";
-    version = "0.2.1";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1zpy9d9wk11sj17fczfngcj28w4xxjs3b4n036yzpy38dxp4f7kc";
-    libName = "ws2_32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  adler32_1_0_0 = { features?(adler32_1_0_0_features {}) }: adler32_1_0_0_ {};
-  adler32_1_0_0_features = f: updateFeatures f (rec {
-    adler32_1_0_0.default = (f.adler32_1_0_0.default or true);
-  }) [];
-  advapi32_sys_0_2_0 = { features?(advapi32_sys_0_2_0_features {}) }: advapi32_sys_0_2_0_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  advapi32_sys_0_2_0_features = f: updateFeatures f (rec {
-    advapi32_sys_0_2_0.default = (f.advapi32_sys_0_2_0.default or true);
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-  aho_corasick_0_6_3 = { features?(aho_corasick_0_6_3_features {}) }: aho_corasick_0_6_3_ {
-    dependencies = mapFeatures features ([ memchr_1_0_1 ]);
-  };
-  aho_corasick_0_6_3_features = f: updateFeatures f (rec {
-    aho_corasick_0_6_3.default = (f.aho_corasick_0_6_3.default or true);
-    memchr_1_0_1.default = true;
-  }) [ memchr_1_0_1_features ];
-  assert_cli_0_4_0 = { features?(assert_cli_0_4_0_features {}) }: assert_cli_0_4_0_ {
-    dependencies = mapFeatures features ([ colored_1_5_2 difference_1_0_0 error_chain_0_10_0 ]);
-    buildDependencies = mapFeatures features ([ skeptic_0_5_0 ]);
-  };
-  assert_cli_0_4_0_features = f: updateFeatures f (rec {
-    assert_cli_0_4_0.default = (f.assert_cli_0_4_0.default or true);
-    colored_1_5_2.default = true;
-    difference_1_0_0.default = true;
-    error_chain_0_10_0.default = true;
-    skeptic_0_5_0.default = true;
-  }) [ colored_1_5_2_features difference_1_0_0_features error_chain_0_10_0_features skeptic_0_5_0_features ];
-  backtrace_0_3_2 = { features?(backtrace_0_3_2_features {}) }: backtrace_0_3_2_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_2 libc_0_2_26 rustc_demangle_0_1_4 ])
-      ++ (if (kernel == "linux" || kernel == "darwin") && !(kernel == "emscripten") && !(kernel == "darwin") && !(kernel == "ios") then mapFeatures features ([ ]
-      ++ (if features.backtrace_0_3_2.backtrace-sys or false then [ backtrace_sys_0_1_11 ] else [])) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ ]
-      ++ (if features.backtrace_0_3_2.dbghelp-sys or false then [ dbghelp_sys_0_2_0 ] else [])
-      ++ (if features.backtrace_0_3_2.kernel32-sys or false then [ kernel32_sys_0_2_2 ] else [])
-      ++ (if features.backtrace_0_3_2.winapi or false then [ winapi_0_2_8 ] else [])) else []);
-    features = mkFeatures (features.backtrace_0_3_2 or {});
-  };
-  backtrace_0_3_2_features = f: updateFeatures f (rec {
-    backtrace_0_3_2.backtrace-sys =
-      (f.backtrace_0_3_2.backtrace-sys or false) ||
-      (f.backtrace_0_3_2.libbacktrace or false) ||
-      (backtrace_0_3_2.libbacktrace or false);
-    backtrace_0_3_2.coresymbolication =
-      (f.backtrace_0_3_2.coresymbolication or false) ||
-      (f.backtrace_0_3_2.default or false) ||
-      (backtrace_0_3_2.default or false);
-    backtrace_0_3_2.dbghelp =
-      (f.backtrace_0_3_2.dbghelp or false) ||
-      (f.backtrace_0_3_2.default or false) ||
-      (backtrace_0_3_2.default or false);
-    backtrace_0_3_2.dbghelp-sys =
-      (f.backtrace_0_3_2.dbghelp-sys or false) ||
-      (f.backtrace_0_3_2.dbghelp or false) ||
-      (backtrace_0_3_2.dbghelp or false);
-    backtrace_0_3_2.default = (f.backtrace_0_3_2.default or true);
-    backtrace_0_3_2.dladdr =
-      (f.backtrace_0_3_2.dladdr or false) ||
-      (f.backtrace_0_3_2.default or false) ||
-      (backtrace_0_3_2.default or false);
-    backtrace_0_3_2.kernel32-sys =
-      (f.backtrace_0_3_2.kernel32-sys or false) ||
-      (f.backtrace_0_3_2.dbghelp or false) ||
-      (backtrace_0_3_2.dbghelp or false);
-    backtrace_0_3_2.libbacktrace =
-      (f.backtrace_0_3_2.libbacktrace or false) ||
-      (f.backtrace_0_3_2.default or false) ||
-      (backtrace_0_3_2.default or false);
-    backtrace_0_3_2.libunwind =
-      (f.backtrace_0_3_2.libunwind or false) ||
-      (f.backtrace_0_3_2.default or false) ||
-      (backtrace_0_3_2.default or false);
-    backtrace_0_3_2.rustc-serialize =
-      (f.backtrace_0_3_2.rustc-serialize or false) ||
-      (f.backtrace_0_3_2.serialize-rustc or false) ||
-      (backtrace_0_3_2.serialize-rustc or false);
-    backtrace_0_3_2.serde =
-      (f.backtrace_0_3_2.serde or false) ||
-      (f.backtrace_0_3_2.serialize-serde or false) ||
-      (backtrace_0_3_2.serialize-serde or false);
-    backtrace_0_3_2.serde_derive =
-      (f.backtrace_0_3_2.serde_derive or false) ||
-      (f.backtrace_0_3_2.serialize-serde or false) ||
-      (backtrace_0_3_2.serialize-serde or false);
-    backtrace_0_3_2.winapi =
-      (f.backtrace_0_3_2.winapi or false) ||
-      (f.backtrace_0_3_2.dbghelp or false) ||
-      (backtrace_0_3_2.dbghelp or false);
-    backtrace_sys_0_1_11.default = true;
-    cfg_if_0_1_2.default = true;
-    dbghelp_sys_0_2_0.default = true;
-    kernel32_sys_0_2_2.default = true;
-    libc_0_2_26.default = true;
-    rustc_demangle_0_1_4.default = true;
-    winapi_0_2_8.default = true;
-  }) [ cfg_if_0_1_2_features libc_0_2_26_features rustc_demangle_0_1_4_features backtrace_sys_0_1_11_features dbghelp_sys_0_2_0_features kernel32_sys_0_2_2_features winapi_0_2_8_features ];
-  backtrace_sys_0_1_11 = { features?(backtrace_sys_0_1_11_features {}) }: backtrace_sys_0_1_11_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ]);
-    buildDependencies = mapFeatures features ([ gcc_0_3_51 ]);
-  };
-  backtrace_sys_0_1_11_features = f: updateFeatures f (rec {
-    backtrace_sys_0_1_11.default = (f.backtrace_sys_0_1_11.default or true);
-    gcc_0_3_51.default = true;
-    libc_0_2_26.default = true;
-  }) [ libc_0_2_26_features gcc_0_3_51_features ];
-  base64_0_6_0 = { features?(base64_0_6_0_features {}) }: base64_0_6_0_ {
-    dependencies = mapFeatures features ([ byteorder_1_1_0 safemem_0_2_0 ]);
-  };
-  base64_0_6_0_features = f: updateFeatures f (rec {
-    base64_0_6_0.default = (f.base64_0_6_0.default or true);
-    byteorder_1_1_0.default = true;
-    safemem_0_2_0.default = true;
-  }) [ byteorder_1_1_0_features safemem_0_2_0_features ];
-  bitflags_0_9_1 = { features?(bitflags_0_9_1_features {}) }: bitflags_0_9_1_ {
-    features = mkFeatures (features.bitflags_0_9_1 or {});
-  };
-  bitflags_0_9_1_features = f: updateFeatures f (rec {
-    bitflags_0_9_1.default = (f.bitflags_0_9_1.default or true);
-    bitflags_0_9_1.example_generated =
-      (f.bitflags_0_9_1.example_generated or false) ||
-      (f.bitflags_0_9_1.default or false) ||
-      (bitflags_0_9_1.default or false);
-  }) [];
-  byteorder_1_1_0 = { features?(byteorder_1_1_0_features {}) }: byteorder_1_1_0_ {
-    features = mkFeatures (features.byteorder_1_1_0 or {});
-  };
-  byteorder_1_1_0_features = f: updateFeatures f (rec {
-    byteorder_1_1_0.default = (f.byteorder_1_1_0.default or true);
-    byteorder_1_1_0.std =
-      (f.byteorder_1_1_0.std or false) ||
-      (f.byteorder_1_1_0.default or false) ||
-      (byteorder_1_1_0.default or false);
-  }) [];
-  bytes_0_4_4 = { features?(bytes_0_4_4_features {}) }: bytes_0_4_4_ {
-    dependencies = mapFeatures features ([ byteorder_1_1_0 iovec_0_1_0 ]);
-  };
-  bytes_0_4_4_features = f: updateFeatures f (rec {
-    byteorder_1_1_0.default = true;
-    bytes_0_4_4.default = (f.bytes_0_4_4.default or true);
-    iovec_0_1_0.default = true;
-  }) [ byteorder_1_1_0_features iovec_0_1_0_features ];
-  cargo_edit_0_2_0 = { features?(cargo_edit_0_2_0_features {}) }: cargo_edit_0_2_0_ {
-    dependencies = mapFeatures features ([ docopt_0_8_1 pad_0_1_4 quick_error_1_2_0 regex_0_2_2 reqwest_0_7_1 semver_0_7_0 serde_1_0_10 serde_derive_1_0_10 serde_json_1_0_2 toml_0_4_2 ]);
-    features = mkFeatures (features.cargo_edit_0_2_0 or {});
-  };
-  cargo_edit_0_2_0_features = f: updateFeatures f (rec {
-    cargo_edit_0_2_0.default = (f.cargo_edit_0_2_0.default or true);
-    docopt_0_8_1.default = true;
-    pad_0_1_4.default = true;
-    quick_error_1_2_0.default = true;
-    regex_0_2_2.default = true;
-    reqwest_0_7_1.default = true;
-    semver_0_7_0.default = true;
-    semver_0_7_0.serde = true;
-    serde_1_0_10.default = true;
-    serde_derive_1_0_10.default = true;
-    serde_json_1_0_2.default = true;
-    toml_0_4_2.default = true;
-  }) [ docopt_0_8_1_features pad_0_1_4_features quick_error_1_2_0_features regex_0_2_2_features reqwest_0_7_1_features semver_0_7_0_features serde_1_0_10_features serde_derive_1_0_10_features serde_json_1_0_2_features toml_0_4_2_features ];
-  cfg_if_0_1_2 = { features?(cfg_if_0_1_2_features {}) }: cfg_if_0_1_2_ {};
-  cfg_if_0_1_2_features = f: updateFeatures f (rec {
-    cfg_if_0_1_2.default = (f.cfg_if_0_1_2.default or true);
-  }) [];
-  colored_1_5_2 = { features?(colored_1_5_2_features {}) }: colored_1_5_2_ {
-    dependencies = mapFeatures features ([ lazy_static_0_2_8 ]);
-    features = mkFeatures (features.colored_1_5_2 or {});
-  };
-  colored_1_5_2_features = f: updateFeatures f (rec {
-    colored_1_5_2.default = (f.colored_1_5_2.default or true);
-    lazy_static_0_2_8.default = true;
-  }) [ lazy_static_0_2_8_features ];
-  core_foundation_0_2_3 = { features?(core_foundation_0_2_3_features {}) }: core_foundation_0_2_3_ {
-    dependencies = mapFeatures features ([ core_foundation_sys_0_2_3 libc_0_2_26 ]);
-  };
-  core_foundation_0_2_3_features = f: updateFeatures f (rec {
-    core_foundation_0_2_3.default = (f.core_foundation_0_2_3.default or true);
-    core_foundation_sys_0_2_3.default = true;
-    libc_0_2_26.default = true;
-  }) [ core_foundation_sys_0_2_3_features libc_0_2_26_features ];
-  core_foundation_sys_0_2_3 = { features?(core_foundation_sys_0_2_3_features {}) }: core_foundation_sys_0_2_3_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ]);
-  };
-  core_foundation_sys_0_2_3_features = f: updateFeatures f (rec {
-    core_foundation_sys_0_2_3.default = (f.core_foundation_sys_0_2_3.default or true);
-    libc_0_2_26.default = true;
-  }) [ libc_0_2_26_features ];
-  crypt32_sys_0_2_0 = { features?(crypt32_sys_0_2_0_features {}) }: crypt32_sys_0_2_0_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  crypt32_sys_0_2_0_features = f: updateFeatures f (rec {
-    crypt32_sys_0_2_0.default = (f.crypt32_sys_0_2_0.default or true);
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-  dbghelp_sys_0_2_0 = { features?(dbghelp_sys_0_2_0_features {}) }: dbghelp_sys_0_2_0_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  dbghelp_sys_0_2_0_features = f: updateFeatures f (rec {
-    dbghelp_sys_0_2_0.default = (f.dbghelp_sys_0_2_0.default or true);
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-  difference_1_0_0 = { features?(difference_1_0_0_features {}) }: difference_1_0_0_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.difference_1_0_0 or {});
-  };
-  difference_1_0_0_features = f: updateFeatures f (rec {
-    difference_1_0_0.default = (f.difference_1_0_0.default or true);
-    difference_1_0_0.getopts =
-      (f.difference_1_0_0.getopts or false) ||
-      (f.difference_1_0_0.bin or false) ||
-      (difference_1_0_0.bin or false);
-  }) [];
-  docopt_0_8_1 = { features?(docopt_0_8_1_features {}) }: docopt_0_8_1_ {
-    dependencies = mapFeatures features ([ lazy_static_0_2_8 regex_0_2_2 serde_1_0_10 serde_derive_1_0_10 strsim_0_6_0 ]);
-  };
-  docopt_0_8_1_features = f: updateFeatures f (rec {
-    docopt_0_8_1.default = (f.docopt_0_8_1.default or true);
-    lazy_static_0_2_8.default = true;
-    regex_0_2_2.default = true;
-    serde_1_0_10.default = true;
-    serde_derive_1_0_10.default = true;
-    strsim_0_6_0.default = true;
-  }) [ lazy_static_0_2_8_features regex_0_2_2_features serde_1_0_10_features serde_derive_1_0_10_features strsim_0_6_0_features ];
-  dtoa_0_4_1 = { features?(dtoa_0_4_1_features {}) }: dtoa_0_4_1_ {};
-  dtoa_0_4_1_features = f: updateFeatures f (rec {
-    dtoa_0_4_1.default = (f.dtoa_0_4_1.default or true);
-  }) [];
-  error_chain_0_10_0 = { features?(error_chain_0_10_0_features {}) }: error_chain_0_10_0_ {
-    dependencies = mapFeatures features ([ ]
-      ++ (if features.error_chain_0_10_0.backtrace or false then [ backtrace_0_3_2 ] else []));
-    features = mkFeatures (features.error_chain_0_10_0 or {});
-  };
-  error_chain_0_10_0_features = f: updateFeatures f (rec {
-    backtrace_0_3_2.default = true;
-    error_chain_0_10_0.backtrace =
-      (f.error_chain_0_10_0.backtrace or false) ||
-      (f.error_chain_0_10_0.default or false) ||
-      (error_chain_0_10_0.default or false);
-    error_chain_0_10_0.default = (f.error_chain_0_10_0.default or true);
-    error_chain_0_10_0.example_generated =
-      (f.error_chain_0_10_0.example_generated or false) ||
-      (f.error_chain_0_10_0.default or false) ||
-      (error_chain_0_10_0.default or false);
-  }) [ backtrace_0_3_2_features ];
-  foreign_types_0_2_0 = { features?(foreign_types_0_2_0_features {}) }: foreign_types_0_2_0_ {};
-  foreign_types_0_2_0_features = f: updateFeatures f (rec {
-    foreign_types_0_2_0.default = (f.foreign_types_0_2_0.default or true);
-  }) [];
-  futures_0_1_14 = { features?(futures_0_1_14_features {}) }: futures_0_1_14_ {
-    features = mkFeatures (features.futures_0_1_14 or {});
-  };
-  futures_0_1_14_features = f: updateFeatures f (rec {
-    futures_0_1_14.default = (f.futures_0_1_14.default or true);
-    futures_0_1_14.use_std =
-      (f.futures_0_1_14.use_std or false) ||
-      (f.futures_0_1_14.default or false) ||
-      (futures_0_1_14.default or false);
-    futures_0_1_14.with-deprecated =
-      (f.futures_0_1_14.with-deprecated or false) ||
-      (f.futures_0_1_14.default or false) ||
-      (futures_0_1_14.default or false);
-  }) [];
-  futures_cpupool_0_1_5 = { features?(futures_cpupool_0_1_5_features {}) }: futures_cpupool_0_1_5_ {
-    dependencies = mapFeatures features ([ futures_0_1_14 num_cpus_1_6_2 ]);
-    features = mkFeatures (features.futures_cpupool_0_1_5 or {});
-  };
-  futures_cpupool_0_1_5_features = f: updateFeatures f (rec {
-    futures_0_1_14.default = (f.futures_0_1_14.default or false);
-    futures_0_1_14.use_std = true;
-    futures_0_1_14.with-deprecated =
-      (f.futures_0_1_14.with-deprecated or false) ||
-      (futures_cpupool_0_1_5.with-deprecated or false) ||
-      (f.futures_cpupool_0_1_5.with-deprecated or false);
-    futures_cpupool_0_1_5.default = (f.futures_cpupool_0_1_5.default or true);
-    futures_cpupool_0_1_5.with-deprecated =
-      (f.futures_cpupool_0_1_5.with-deprecated or false) ||
-      (f.futures_cpupool_0_1_5.default or false) ||
-      (futures_cpupool_0_1_5.default or false);
-    num_cpus_1_6_2.default = true;
-  }) [ futures_0_1_14_features num_cpus_1_6_2_features ];
-  gcc_0_3_51 = { features?(gcc_0_3_51_features {}) }: gcc_0_3_51_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.gcc_0_3_51 or {});
-  };
-  gcc_0_3_51_features = f: updateFeatures f (rec {
-    gcc_0_3_51.default = (f.gcc_0_3_51.default or true);
-    gcc_0_3_51.rayon =
-      (f.gcc_0_3_51.rayon or false) ||
-      (f.gcc_0_3_51.parallel or false) ||
-      (gcc_0_3_51.parallel or false);
-  }) [];
-  getopts_0_2_14 = { features?(getopts_0_2_14_features {}) }: getopts_0_2_14_ {};
-  getopts_0_2_14_features = f: updateFeatures f (rec {
-    getopts_0_2_14.default = (f.getopts_0_2_14.default or true);
-  }) [];
-  httparse_1_2_3 = { features?(httparse_1_2_3_features {}) }: httparse_1_2_3_ {
-    features = mkFeatures (features.httparse_1_2_3 or {});
-  };
-  httparse_1_2_3_features = f: updateFeatures f (rec {
-    httparse_1_2_3.default = (f.httparse_1_2_3.default or true);
-    httparse_1_2_3.std =
-      (f.httparse_1_2_3.std or false) ||
-      (f.httparse_1_2_3.default or false) ||
-      (httparse_1_2_3.default or false);
-  }) [];
-  hyper_0_11_1 = { features?(hyper_0_11_1_features {}) }: hyper_0_11_1_ {
-    dependencies = mapFeatures features ([ base64_0_6_0 bytes_0_4_4 futures_0_1_14 futures_cpupool_0_1_5 httparse_1_2_3 language_tags_0_2_2 log_0_3_8 mime_0_3_2 percent_encoding_1_0_0 time_0_1_38 tokio_core_0_1_8 tokio_io_0_1_2 tokio_proto_0_1_1 tokio_service_0_1_0 unicase_2_0_0 ]);
-    features = mkFeatures (features.hyper_0_11_1 or {});
-  };
-  hyper_0_11_1_features = f: updateFeatures f (rec {
-    base64_0_6_0.default = true;
-    bytes_0_4_4.default = true;
-    futures_0_1_14.default = true;
-    futures_cpupool_0_1_5.default = true;
-    httparse_1_2_3.default = true;
-    hyper_0_11_1.default = (f.hyper_0_11_1.default or true);
-    language_tags_0_2_2.default = true;
-    log_0_3_8.default = true;
-    mime_0_3_2.default = true;
-    percent_encoding_1_0_0.default = true;
-    time_0_1_38.default = true;
-    tokio_core_0_1_8.default = true;
-    tokio_io_0_1_2.default = true;
-    tokio_proto_0_1_1.default = true;
-    tokio_service_0_1_0.default = true;
-    unicase_2_0_0.default = true;
-  }) [ base64_0_6_0_features bytes_0_4_4_features futures_0_1_14_features futures_cpupool_0_1_5_features httparse_1_2_3_features language_tags_0_2_2_features log_0_3_8_features mime_0_3_2_features percent_encoding_1_0_0_features time_0_1_38_features tokio_core_0_1_8_features tokio_io_0_1_2_features tokio_proto_0_1_1_features tokio_service_0_1_0_features unicase_2_0_0_features ];
-  hyper_tls_0_1_2 = { features?(hyper_tls_0_1_2_features {}) }: hyper_tls_0_1_2_ {
-    dependencies = mapFeatures features ([ futures_0_1_14 hyper_0_11_1 native_tls_0_1_4 tokio_core_0_1_8 tokio_io_0_1_2 tokio_service_0_1_0 tokio_tls_0_1_3 ]);
-  };
-  hyper_tls_0_1_2_features = f: updateFeatures f (rec {
-    futures_0_1_14.default = true;
-    hyper_0_11_1.default = true;
-    hyper_tls_0_1_2.default = (f.hyper_tls_0_1_2.default or true);
-    native_tls_0_1_4.default = true;
-    tokio_core_0_1_8.default = true;
-    tokio_io_0_1_2.default = true;
-    tokio_service_0_1_0.default = true;
-    tokio_tls_0_1_3.default = true;
-  }) [ futures_0_1_14_features hyper_0_11_1_features native_tls_0_1_4_features tokio_core_0_1_8_features tokio_io_0_1_2_features tokio_service_0_1_0_features tokio_tls_0_1_3_features ];
-  idna_0_1_4 = { features?(idna_0_1_4_features {}) }: idna_0_1_4_ {
-    dependencies = mapFeatures features ([ matches_0_1_6 unicode_bidi_0_3_4 unicode_normalization_0_1_5 ]);
-  };
-  idna_0_1_4_features = f: updateFeatures f (rec {
-    idna_0_1_4.default = (f.idna_0_1_4.default or true);
-    matches_0_1_6.default = true;
-    unicode_bidi_0_3_4.default = true;
-    unicode_normalization_0_1_5.default = true;
-  }) [ matches_0_1_6_features unicode_bidi_0_3_4_features unicode_normalization_0_1_5_features ];
-  iovec_0_1_0 = { features?(iovec_0_1_0_features {}) }: iovec_0_1_0_ {
-    dependencies = (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_26 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ winapi_0_2_8 ]) else []);
-  };
-  iovec_0_1_0_features = f: updateFeatures f (rec {
-    iovec_0_1_0.default = (f.iovec_0_1_0.default or true);
-    libc_0_2_26.default = true;
-    winapi_0_2_8.default = true;
-  }) [ libc_0_2_26_features winapi_0_2_8_features ];
-  itoa_0_3_1 = { features?(itoa_0_3_1_features {}) }: itoa_0_3_1_ {};
-  itoa_0_3_1_features = f: updateFeatures f (rec {
-    itoa_0_3_1.default = (f.itoa_0_3_1.default or true);
-  }) [];
-  kernel32_sys_0_2_2 = { features?(kernel32_sys_0_2_2_features {}) }: kernel32_sys_0_2_2_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  kernel32_sys_0_2_2_features = f: updateFeatures f (rec {
-    kernel32_sys_0_2_2.default = (f.kernel32_sys_0_2_2.default or true);
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-  language_tags_0_2_2 = { features?(language_tags_0_2_2_features {}) }: language_tags_0_2_2_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.language_tags_0_2_2 or {});
-  };
-  language_tags_0_2_2_features = f: updateFeatures f (rec {
-    language_tags_0_2_2.default = (f.language_tags_0_2_2.default or true);
-    language_tags_0_2_2.heapsize =
-      (f.language_tags_0_2_2.heapsize or false) ||
-      (f.language_tags_0_2_2.heap_size or false) ||
-      (language_tags_0_2_2.heap_size or false);
-    language_tags_0_2_2.heapsize_plugin =
-      (f.language_tags_0_2_2.heapsize_plugin or false) ||
-      (f.language_tags_0_2_2.heap_size or false) ||
-      (language_tags_0_2_2.heap_size or false);
-  }) [];
-  lazy_static_0_2_8 = { features?(lazy_static_0_2_8_features {}) }: lazy_static_0_2_8_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.lazy_static_0_2_8 or {});
-  };
-  lazy_static_0_2_8_features = f: updateFeatures f (rec {
-    lazy_static_0_2_8.default = (f.lazy_static_0_2_8.default or true);
-    lazy_static_0_2_8.nightly =
-      (f.lazy_static_0_2_8.nightly or false) ||
-      (f.lazy_static_0_2_8.spin_no_std or false) ||
-      (lazy_static_0_2_8.spin_no_std or false);
-    lazy_static_0_2_8.spin =
-      (f.lazy_static_0_2_8.spin or false) ||
-      (f.lazy_static_0_2_8.spin_no_std or false) ||
-      (lazy_static_0_2_8.spin_no_std or false);
-  }) [];
-  lazycell_0_4_0 = { features?(lazycell_0_4_0_features {}) }: lazycell_0_4_0_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.lazycell_0_4_0 or {});
-  };
-  lazycell_0_4_0_features = f: updateFeatures f (rec {
-    lazycell_0_4_0.clippy =
-      (f.lazycell_0_4_0.clippy or false) ||
-      (f.lazycell_0_4_0.nightly-testing or false) ||
-      (lazycell_0_4_0.nightly-testing or false);
-    lazycell_0_4_0.default = (f.lazycell_0_4_0.default or true);
-    lazycell_0_4_0.nightly =
-      (f.lazycell_0_4_0.nightly or false) ||
-      (f.lazycell_0_4_0.nightly-testing or false) ||
-      (lazycell_0_4_0.nightly-testing or false);
-  }) [];
-  libc_0_2_26 = { features?(libc_0_2_26_features {}) }: libc_0_2_26_ {
-    features = mkFeatures (features.libc_0_2_26 or {});
-  };
-  libc_0_2_26_features = f: updateFeatures f (rec {
-    libc_0_2_26.default = (f.libc_0_2_26.default or true);
-    libc_0_2_26.use_std =
-      (f.libc_0_2_26.use_std or false) ||
-      (f.libc_0_2_26.default or false) ||
-      (libc_0_2_26.default or false);
-  }) [];
-  libflate_0_1_10 = { features?(libflate_0_1_10_features {}) }: libflate_0_1_10_ {
-    dependencies = mapFeatures features ([ adler32_1_0_0 byteorder_1_1_0 ]);
-  };
-  libflate_0_1_10_features = f: updateFeatures f (rec {
-    adler32_1_0_0.default = true;
-    byteorder_1_1_0.default = true;
-    libflate_0_1_10.default = (f.libflate_0_1_10.default or true);
-  }) [ adler32_1_0_0_features byteorder_1_1_0_features ];
-  log_0_3_8 = { features?(log_0_3_8_features {}) }: log_0_3_8_ {
-    features = mkFeatures (features.log_0_3_8 or {});
-  };
-  log_0_3_8_features = f: updateFeatures f (rec {
-    log_0_3_8.default = (f.log_0_3_8.default or true);
-    log_0_3_8.use_std =
-      (f.log_0_3_8.use_std or false) ||
-      (f.log_0_3_8.default or false) ||
-      (log_0_3_8.default or false);
-  }) [];
-  matches_0_1_6 = { features?(matches_0_1_6_features {}) }: matches_0_1_6_ {};
-  matches_0_1_6_features = f: updateFeatures f (rec {
-    matches_0_1_6.default = (f.matches_0_1_6.default or true);
-  }) [];
-  memchr_1_0_1 = { features?(memchr_1_0_1_features {}) }: memchr_1_0_1_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ]);
-    features = mkFeatures (features.memchr_1_0_1 or {});
-  };
-  memchr_1_0_1_features = f: updateFeatures f (rec {
-    libc_0_2_26.default = (f.libc_0_2_26.default or false);
-    libc_0_2_26.use_std =
-      (f.libc_0_2_26.use_std or false) ||
-      (memchr_1_0_1.use_std or false) ||
-      (f.memchr_1_0_1.use_std or false);
-    memchr_1_0_1.default = (f.memchr_1_0_1.default or true);
-    memchr_1_0_1.use_std =
-      (f.memchr_1_0_1.use_std or false) ||
-      (f.memchr_1_0_1.default or false) ||
-      (memchr_1_0_1.default or false);
-  }) [ libc_0_2_26_features ];
-  mime_0_3_2 = { features?(mime_0_3_2_features {}) }: mime_0_3_2_ {
-    dependencies = mapFeatures features ([ unicase_2_0_0 ]);
-  };
-  mime_0_3_2_features = f: updateFeatures f (rec {
-    mime_0_3_2.default = (f.mime_0_3_2.default or true);
-    unicase_2_0_0.default = true;
-  }) [ unicase_2_0_0_features ];
-  mio_0_6_9 = { features?(mio_0_6_9_features {}) }: mio_0_6_9_ {
-    dependencies = mapFeatures features ([ iovec_0_1_0 lazycell_0_4_0 log_0_3_8 net2_0_2_30 slab_0_3_0 ])
-      ++ (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_26 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ kernel32_sys_0_2_2 miow_0_2_1 winapi_0_2_8 ]) else []);
-    features = mkFeatures (features.mio_0_6_9 or {});
-  };
-  mio_0_6_9_features = f: updateFeatures f (rec {
-    iovec_0_1_0.default = true;
-    kernel32_sys_0_2_2.default = true;
-    lazycell_0_4_0.default = true;
-    libc_0_2_26.default = true;
-    log_0_3_8.default = true;
-    mio_0_6_9.default = (f.mio_0_6_9.default or true);
-    mio_0_6_9.with-deprecated =
-      (f.mio_0_6_9.with-deprecated or false) ||
-      (f.mio_0_6_9.default or false) ||
-      (mio_0_6_9.default or false);
-    miow_0_2_1.default = true;
-    net2_0_2_30.default = true;
-    slab_0_3_0.default = true;
-    winapi_0_2_8.default = true;
-  }) [ iovec_0_1_0_features lazycell_0_4_0_features log_0_3_8_features net2_0_2_30_features slab_0_3_0_features libc_0_2_26_features kernel32_sys_0_2_2_features miow_0_2_1_features winapi_0_2_8_features ];
-  miow_0_2_1 = { features?(miow_0_2_1_features {}) }: miow_0_2_1_ {
-    dependencies = mapFeatures features ([ kernel32_sys_0_2_2 net2_0_2_30 winapi_0_2_8 ws2_32_sys_0_2_1 ]);
-  };
-  miow_0_2_1_features = f: updateFeatures f (rec {
-    kernel32_sys_0_2_2.default = true;
-    miow_0_2_1.default = (f.miow_0_2_1.default or true);
-    net2_0_2_30.default = (f.net2_0_2_30.default or false);
-    winapi_0_2_8.default = true;
-    ws2_32_sys_0_2_1.default = true;
-  }) [ kernel32_sys_0_2_2_features net2_0_2_30_features winapi_0_2_8_features ws2_32_sys_0_2_1_features ];
-  native_tls_0_1_4 = { features?(native_tls_0_1_4_features {}) }: native_tls_0_1_4_ {
-    dependencies = (if !(kernel == "windows" || kernel == "darwin") then mapFeatures features ([ openssl_0_9_14 ]) else [])
-      ++ (if kernel == "darwin" then mapFeatures features ([ security_framework_0_1_14 security_framework_sys_0_1_14 tempdir_0_3_5 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ schannel_0_1_7 ]) else []);
-  };
-  native_tls_0_1_4_features = f: updateFeatures f (rec {
-    native_tls_0_1_4.default = (f.native_tls_0_1_4.default or true);
-    openssl_0_9_14.default = true;
-    schannel_0_1_7.default = true;
-    security_framework_0_1_14.OSX_10_8 = true;
-    security_framework_0_1_14.default = true;
-    security_framework_sys_0_1_14.default = true;
-    tempdir_0_3_5.default = true;
-  }) [ openssl_0_9_14_features security_framework_0_1_14_features security_framework_sys_0_1_14_features tempdir_0_3_5_features schannel_0_1_7_features ];
-  net2_0_2_30 = { features?(net2_0_2_30_features {}) }: net2_0_2_30_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_2 ])
-      ++ (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_26 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ kernel32_sys_0_2_2 winapi_0_2_8 ws2_32_sys_0_2_1 ]) else [])
-      ++ (if kernel == "i686-apple-darwin" then mapFeatures features ([ libc_0_2_26 ]) else [])
-      ++ (if kernel == "i686-unknown-linux-gnu" then mapFeatures features ([ libc_0_2_26 ]) else [])
-      ++ (if kernel == "x86_64-apple-darwin" then mapFeatures features ([ libc_0_2_26 ]) else [])
-      ++ (if kernel == "x86_64-unknown-linux-gnu" then mapFeatures features ([ libc_0_2_26 ]) else []);
-    features = mkFeatures (features.net2_0_2_30 or {});
-  };
-  net2_0_2_30_features = f: updateFeatures f (rec {
-    cfg_if_0_1_2.default = true;
-    kernel32_sys_0_2_2.default = true;
-    libc_0_2_26.default = true;
-    net2_0_2_30.default = (f.net2_0_2_30.default or true);
-    net2_0_2_30.duration =
-      (f.net2_0_2_30.duration or false) ||
-      (f.net2_0_2_30.default or false) ||
-      (net2_0_2_30.default or false);
-    winapi_0_2_8.default = true;
-    ws2_32_sys_0_2_1.default = true;
-  }) [ cfg_if_0_1_2_features libc_0_2_26_features kernel32_sys_0_2_2_features winapi_0_2_8_features ws2_32_sys_0_2_1_features libc_0_2_26_features libc_0_2_26_features libc_0_2_26_features libc_0_2_26_features ];
-  num_traits_0_1_40 = { features?(num_traits_0_1_40_features {}) }: num_traits_0_1_40_ {};
-  num_traits_0_1_40_features = f: updateFeatures f (rec {
-    num_traits_0_1_40.default = (f.num_traits_0_1_40.default or true);
-  }) [];
-  num_cpus_1_6_2 = { features?(num_cpus_1_6_2_features {}) }: num_cpus_1_6_2_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ]);
-  };
-  num_cpus_1_6_2_features = f: updateFeatures f (rec {
-    libc_0_2_26.default = true;
-    num_cpus_1_6_2.default = (f.num_cpus_1_6_2.default or true);
-  }) [ libc_0_2_26_features ];
-  openssl_0_9_14 = { features?(openssl_0_9_14_features {}) }: openssl_0_9_14_ {
-    dependencies = mapFeatures features ([ bitflags_0_9_1 foreign_types_0_2_0 lazy_static_0_2_8 libc_0_2_26 openssl_sys_0_9_14 ]);
-    features = mkFeatures (features.openssl_0_9_14 or {});
-  };
-  openssl_0_9_14_features = f: updateFeatures f (rec {
-    bitflags_0_9_1.default = true;
-    foreign_types_0_2_0.default = true;
-    lazy_static_0_2_8.default = true;
-    libc_0_2_26.default = true;
-    openssl_0_9_14.default = (f.openssl_0_9_14.default or true);
-    openssl_sys_0_9_14.default = true;
-  }) [ bitflags_0_9_1_features foreign_types_0_2_0_features lazy_static_0_2_8_features libc_0_2_26_features openssl_sys_0_9_14_features ];
-  openssl_sys_0_9_14 = { features?(openssl_sys_0_9_14_features {}) }: openssl_sys_0_9_14_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ]);
-    buildDependencies = mapFeatures features ([ gcc_0_3_51 pkg_config_0_3_9 ]);
-  };
-  openssl_sys_0_9_14_features = f: updateFeatures f (rec {
-    gcc_0_3_51.default = true;
-    libc_0_2_26.default = true;
-    openssl_sys_0_9_14.default = (f.openssl_sys_0_9_14.default or true);
-    pkg_config_0_3_9.default = true;
-  }) [ libc_0_2_26_features gcc_0_3_51_features pkg_config_0_3_9_features ];
-  pad_0_1_4 = { features?(pad_0_1_4_features {}) }: pad_0_1_4_ {
-    dependencies = mapFeatures features ([ unicode_width_0_1_4 ]);
-  };
-  pad_0_1_4_features = f: updateFeatures f (rec {
-    pad_0_1_4.default = (f.pad_0_1_4.default or true);
-    unicode_width_0_1_4.default = true;
-  }) [ unicode_width_0_1_4_features ];
-  percent_encoding_1_0_0 = { features?(percent_encoding_1_0_0_features {}) }: percent_encoding_1_0_0_ {};
-  percent_encoding_1_0_0_features = f: updateFeatures f (rec {
-    percent_encoding_1_0_0.default = (f.percent_encoding_1_0_0.default or true);
-  }) [];
-  pkg_config_0_3_9 = { features?(pkg_config_0_3_9_features {}) }: pkg_config_0_3_9_ {};
-  pkg_config_0_3_9_features = f: updateFeatures f (rec {
-    pkg_config_0_3_9.default = (f.pkg_config_0_3_9.default or true);
-  }) [];
-  pretty_assertions_0_2_1 = { features?(pretty_assertions_0_2_1_features {}) }: pretty_assertions_0_2_1_ {
-    dependencies = mapFeatures features ([ difference_1_0_0 ]);
-  };
-  pretty_assertions_0_2_1_features = f: updateFeatures f (rec {
-    difference_1_0_0.default = true;
-    pretty_assertions_0_2_1.default = (f.pretty_assertions_0_2_1.default or true);
-  }) [ difference_1_0_0_features ];
-  pulldown_cmark_0_0_3 = { features?(pulldown_cmark_0_0_3_features {}) }: pulldown_cmark_0_0_3_ {
-    dependencies = mapFeatures features ([ getopts_0_2_14 ]);
-  };
-  pulldown_cmark_0_0_3_features = f: updateFeatures f (rec {
-    getopts_0_2_14.default = true;
-    pulldown_cmark_0_0_3.default = (f.pulldown_cmark_0_0_3.default or true);
-  }) [ getopts_0_2_14_features ];
-  quick_error_1_2_0 = { features?(quick_error_1_2_0_features {}) }: quick_error_1_2_0_ {};
-  quick_error_1_2_0_features = f: updateFeatures f (rec {
-    quick_error_1_2_0.default = (f.quick_error_1_2_0.default or true);
-  }) [];
-  quote_0_3_15 = { features?(quote_0_3_15_features {}) }: quote_0_3_15_ {};
-  quote_0_3_15_features = f: updateFeatures f (rec {
-    quote_0_3_15.default = (f.quote_0_3_15.default or true);
-  }) [];
-  rand_0_3_15 = { features?(rand_0_3_15_features {}) }: rand_0_3_15_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ]);
-  };
-  rand_0_3_15_features = f: updateFeatures f (rec {
-    libc_0_2_26.default = true;
-    rand_0_3_15.default = (f.rand_0_3_15.default or true);
-  }) [ libc_0_2_26_features ];
-  redox_syscall_0_1_26 = { features?(redox_syscall_0_1_26_features {}) }: redox_syscall_0_1_26_ {};
-  redox_syscall_0_1_26_features = f: updateFeatures f (rec {
-    redox_syscall_0_1_26.default = (f.redox_syscall_0_1_26.default or true);
-  }) [];
-  regex_0_2_2 = { features?(regex_0_2_2_features {}) }: regex_0_2_2_ {
-    dependencies = mapFeatures features ([ aho_corasick_0_6_3 memchr_1_0_1 regex_syntax_0_4_1 thread_local_0_3_4 utf8_ranges_1_0_0 ]);
-    features = mkFeatures (features.regex_0_2_2 or {});
-  };
-  regex_0_2_2_features = f: updateFeatures f (rec {
-    aho_corasick_0_6_3.default = true;
-    memchr_1_0_1.default = true;
-    regex_0_2_2.default = (f.regex_0_2_2.default or true);
-    regex_0_2_2.simd =
-      (f.regex_0_2_2.simd or false) ||
-      (f.regex_0_2_2.simd-accel or false) ||
-      (regex_0_2_2.simd-accel or false);
-    regex_syntax_0_4_1.default = true;
-    thread_local_0_3_4.default = true;
-    utf8_ranges_1_0_0.default = true;
-  }) [ aho_corasick_0_6_3_features memchr_1_0_1_features regex_syntax_0_4_1_features thread_local_0_3_4_features utf8_ranges_1_0_0_features ];
-  regex_syntax_0_4_1 = { features?(regex_syntax_0_4_1_features {}) }: regex_syntax_0_4_1_ {};
-  regex_syntax_0_4_1_features = f: updateFeatures f (rec {
-    regex_syntax_0_4_1.default = (f.regex_syntax_0_4_1.default or true);
-  }) [];
-  reqwest_0_7_1 = { features?(reqwest_0_7_1_features {}) }: reqwest_0_7_1_ {
-    dependencies = mapFeatures features ([ bytes_0_4_4 futures_0_1_14 hyper_0_11_1 hyper_tls_0_1_2 libflate_0_1_10 log_0_3_8 native_tls_0_1_4 serde_1_0_10 serde_json_1_0_2 serde_urlencoded_0_5_1 tokio_core_0_1_8 tokio_io_0_1_2 tokio_tls_0_1_3 url_1_5_1 ]);
-    features = mkFeatures (features.reqwest_0_7_1 or {});
-  };
-  reqwest_0_7_1_features = f: updateFeatures f (rec {
-    bytes_0_4_4.default = true;
-    futures_0_1_14.default = true;
-    hyper_0_11_1.default = true;
-    hyper_tls_0_1_2.default = true;
-    libflate_0_1_10.default = true;
-    log_0_3_8.default = true;
-    native_tls_0_1_4.default = true;
-    reqwest_0_7_1.default = (f.reqwest_0_7_1.default or true);
-    serde_1_0_10.default = true;
-    serde_json_1_0_2.default = true;
-    serde_urlencoded_0_5_1.default = true;
-    tokio_core_0_1_8.default = true;
-    tokio_io_0_1_2.default = true;
-    tokio_tls_0_1_3.default = true;
-    url_1_5_1.default = true;
-  }) [ bytes_0_4_4_features futures_0_1_14_features hyper_0_11_1_features hyper_tls_0_1_2_features libflate_0_1_10_features log_0_3_8_features native_tls_0_1_4_features serde_1_0_10_features serde_json_1_0_2_features serde_urlencoded_0_5_1_features tokio_core_0_1_8_features tokio_io_0_1_2_features tokio_tls_0_1_3_features url_1_5_1_features ];
-  rustc_demangle_0_1_4 = { features?(rustc_demangle_0_1_4_features {}) }: rustc_demangle_0_1_4_ {};
-  rustc_demangle_0_1_4_features = f: updateFeatures f (rec {
-    rustc_demangle_0_1_4.default = (f.rustc_demangle_0_1_4.default or true);
-  }) [];
-  rustc_version_0_1_7 = { features?(rustc_version_0_1_7_features {}) }: rustc_version_0_1_7_ {
-    dependencies = mapFeatures features ([ semver_0_1_20 ]);
-  };
-  rustc_version_0_1_7_features = f: updateFeatures f (rec {
-    rustc_version_0_1_7.default = (f.rustc_version_0_1_7.default or true);
-    semver_0_1_20.default = true;
-  }) [ semver_0_1_20_features ];
-  safemem_0_2_0 = { features?(safemem_0_2_0_features {}) }: safemem_0_2_0_ {};
-  safemem_0_2_0_features = f: updateFeatures f (rec {
-    safemem_0_2_0.default = (f.safemem_0_2_0.default or true);
-  }) [];
-  schannel_0_1_7 = { features?(schannel_0_1_7_features {}) }: schannel_0_1_7_ {
-    dependencies = mapFeatures features ([ advapi32_sys_0_2_0 crypt32_sys_0_2_0 kernel32_sys_0_2_2 lazy_static_0_2_8 secur32_sys_0_2_0 winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  schannel_0_1_7_features = f: updateFeatures f (rec {
-    advapi32_sys_0_2_0.default = true;
-    crypt32_sys_0_2_0.default = true;
-    kernel32_sys_0_2_2.default = true;
-    lazy_static_0_2_8.default = true;
-    schannel_0_1_7.default = (f.schannel_0_1_7.default or true);
-    secur32_sys_0_2_0.default = true;
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ advapi32_sys_0_2_0_features crypt32_sys_0_2_0_features kernel32_sys_0_2_2_features lazy_static_0_2_8_features secur32_sys_0_2_0_features winapi_0_2_8_features winapi_build_0_1_1_features ];
-  scoped_tls_0_1_0 = { features?(scoped_tls_0_1_0_features {}) }: scoped_tls_0_1_0_ {};
-  scoped_tls_0_1_0_features = f: updateFeatures f (rec {
-    scoped_tls_0_1_0.default = (f.scoped_tls_0_1_0.default or true);
-  }) [];
-  secur32_sys_0_2_0 = { features?(secur32_sys_0_2_0_features {}) }: secur32_sys_0_2_0_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  secur32_sys_0_2_0_features = f: updateFeatures f (rec {
-    secur32_sys_0_2_0.default = (f.secur32_sys_0_2_0.default or true);
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-  security_framework_0_1_14 = { features?(security_framework_0_1_14_features {}) }: security_framework_0_1_14_ {
-    dependencies = mapFeatures features ([ core_foundation_0_2_3 core_foundation_sys_0_2_3 libc_0_2_26 security_framework_sys_0_1_14 ]);
-    features = mkFeatures (features.security_framework_0_1_14 or {});
-  };
-  security_framework_0_1_14_features = f: updateFeatures f (rec {
-    core_foundation_0_2_3.default = true;
-    core_foundation_sys_0_2_3.default = true;
-    libc_0_2_26.default = true;
-    security_framework_0_1_14.OSX_10_10 =
-      (f.security_framework_0_1_14.OSX_10_10 or false) ||
-      (f.security_framework_0_1_14.OSX_10_11 or false) ||
-      (security_framework_0_1_14.OSX_10_11 or false);
-    security_framework_0_1_14.OSX_10_8 =
-      (f.security_framework_0_1_14.OSX_10_8 or false) ||
-      (f.security_framework_0_1_14.OSX_10_9 or false) ||
-      (security_framework_0_1_14.OSX_10_9 or false);
-    security_framework_0_1_14.OSX_10_9 =
-      (f.security_framework_0_1_14.OSX_10_9 or false) ||
-      (f.security_framework_0_1_14.OSX_10_10 or false) ||
-      (security_framework_0_1_14.OSX_10_10 or false);
-    security_framework_0_1_14.default = (f.security_framework_0_1_14.default or true);
-    security_framework_sys_0_1_14.OSX_10_10 =
-      (f.security_framework_sys_0_1_14.OSX_10_10 or false) ||
-      (security_framework_0_1_14.OSX_10_10 or false) ||
-      (f.security_framework_0_1_14.OSX_10_10 or false);
-    security_framework_sys_0_1_14.OSX_10_11 =
-      (f.security_framework_sys_0_1_14.OSX_10_11 or false) ||
-      (security_framework_0_1_14.OSX_10_11 or false) ||
-      (f.security_framework_0_1_14.OSX_10_11 or false);
-    security_framework_sys_0_1_14.OSX_10_8 =
-      (f.security_framework_sys_0_1_14.OSX_10_8 or false) ||
-      (security_framework_0_1_14.OSX_10_8 or false) ||
-      (f.security_framework_0_1_14.OSX_10_8 or false);
-    security_framework_sys_0_1_14.OSX_10_9 =
-      (f.security_framework_sys_0_1_14.OSX_10_9 or false) ||
-      (security_framework_0_1_14.OSX_10_9 or false) ||
-      (f.security_framework_0_1_14.OSX_10_9 or false);
-    security_framework_sys_0_1_14.default = true;
-  }) [ core_foundation_0_2_3_features core_foundation_sys_0_2_3_features libc_0_2_26_features security_framework_sys_0_1_14_features ];
-  security_framework_sys_0_1_14 = { features?(security_framework_sys_0_1_14_features {}) }: security_framework_sys_0_1_14_ {
-    dependencies = mapFeatures features ([ core_foundation_sys_0_2_3 libc_0_2_26 ]);
-    features = mkFeatures (features.security_framework_sys_0_1_14 or {});
-  };
-  security_framework_sys_0_1_14_features = f: updateFeatures f (rec {
-    core_foundation_sys_0_2_3.default = true;
-    libc_0_2_26.default = true;
-    security_framework_sys_0_1_14.OSX_10_10 =
-      (f.security_framework_sys_0_1_14.OSX_10_10 or false) ||
-      (f.security_framework_sys_0_1_14.OSX_10_11 or false) ||
-      (security_framework_sys_0_1_14.OSX_10_11 or false);
-    security_framework_sys_0_1_14.OSX_10_8 =
-      (f.security_framework_sys_0_1_14.OSX_10_8 or false) ||
-      (f.security_framework_sys_0_1_14.OSX_10_9 or false) ||
-      (security_framework_sys_0_1_14.OSX_10_9 or false);
-    security_framework_sys_0_1_14.OSX_10_9 =
-      (f.security_framework_sys_0_1_14.OSX_10_9 or false) ||
-      (f.security_framework_sys_0_1_14.OSX_10_10 or false) ||
-      (security_framework_sys_0_1_14.OSX_10_10 or false);
-    security_framework_sys_0_1_14.default = (f.security_framework_sys_0_1_14.default or true);
-  }) [ core_foundation_sys_0_2_3_features libc_0_2_26_features ];
-  semver_0_1_20 = { features?(semver_0_1_20_features {}) }: semver_0_1_20_ {};
-  semver_0_1_20_features = f: updateFeatures f (rec {
-    semver_0_1_20.default = (f.semver_0_1_20.default or true);
-  }) [];
-  semver_0_7_0 = { features?(semver_0_7_0_features {}) }: semver_0_7_0_ {
-    dependencies = mapFeatures features ([ semver_parser_0_7_0 ]
-      ++ (if features.semver_0_7_0.serde or false then [ serde_1_0_10 ] else []));
-    features = mkFeatures (features.semver_0_7_0 or {});
-  };
-  semver_0_7_0_features = f: updateFeatures f (rec {
-    semver_0_7_0.default = (f.semver_0_7_0.default or true);
-    semver_0_7_0.serde =
-      (f.semver_0_7_0.serde or false) ||
-      (f.semver_0_7_0.ci or false) ||
-      (semver_0_7_0.ci or false);
-    semver_parser_0_7_0.default = true;
-    serde_1_0_10.default = true;
-  }) [ semver_parser_0_7_0_features serde_1_0_10_features ];
-  semver_parser_0_7_0 = { features?(semver_parser_0_7_0_features {}) }: semver_parser_0_7_0_ {};
-  semver_parser_0_7_0_features = f: updateFeatures f (rec {
-    semver_parser_0_7_0.default = (f.semver_parser_0_7_0.default or true);
-  }) [];
-  serde_1_0_10 = { features?(serde_1_0_10_features {}) }: serde_1_0_10_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.serde_1_0_10 or {});
-  };
-  serde_1_0_10_features = f: updateFeatures f (rec {
-    serde_1_0_10.default = (f.serde_1_0_10.default or true);
-    serde_1_0_10.serde_derive =
-      (f.serde_1_0_10.serde_derive or false) ||
-      (f.serde_1_0_10.derive or false) ||
-      (serde_1_0_10.derive or false) ||
-      (f.serde_1_0_10.playground or false) ||
-      (serde_1_0_10.playground or false);
-    serde_1_0_10.std =
-      (f.serde_1_0_10.std or false) ||
-      (f.serde_1_0_10.default or false) ||
-      (serde_1_0_10.default or false);
-    serde_1_0_10.unstable =
-      (f.serde_1_0_10.unstable or false) ||
-      (f.serde_1_0_10.alloc or false) ||
-      (serde_1_0_10.alloc or false);
-  }) [];
-  serde_derive_1_0_10 = { features?(serde_derive_1_0_10_features {}) }: serde_derive_1_0_10_ {
-    dependencies = mapFeatures features ([ quote_0_3_15 serde_derive_internals_0_15_1 syn_0_11_11 ]);
-  };
-  serde_derive_1_0_10_features = f: updateFeatures f (rec {
-    quote_0_3_15.default = true;
-    serde_derive_1_0_10.default = (f.serde_derive_1_0_10.default or true);
-    serde_derive_internals_0_15_1.default = (f.serde_derive_internals_0_15_1.default or false);
-    syn_0_11_11.default = true;
-    syn_0_11_11.visit = true;
-  }) [ quote_0_3_15_features serde_derive_internals_0_15_1_features syn_0_11_11_features ];
-  serde_derive_internals_0_15_1 = { features?(serde_derive_internals_0_15_1_features {}) }: serde_derive_internals_0_15_1_ {
-    dependencies = mapFeatures features ([ syn_0_11_11 synom_0_11_3 ]);
-  };
-  serde_derive_internals_0_15_1_features = f: updateFeatures f (rec {
-    serde_derive_internals_0_15_1.default = (f.serde_derive_internals_0_15_1.default or true);
-    syn_0_11_11.default = (f.syn_0_11_11.default or false);
-    syn_0_11_11.parsing = true;
-    synom_0_11_3.default = true;
-  }) [ syn_0_11_11_features synom_0_11_3_features ];
-  serde_json_1_0_2 = { features?(serde_json_1_0_2_features {}) }: serde_json_1_0_2_ {
-    dependencies = mapFeatures features ([ dtoa_0_4_1 itoa_0_3_1 num_traits_0_1_40 serde_1_0_10 ]);
-    features = mkFeatures (features.serde_json_1_0_2 or {});
-  };
-  serde_json_1_0_2_features = f: updateFeatures f (rec {
-    dtoa_0_4_1.default = true;
-    itoa_0_3_1.default = true;
-    num_traits_0_1_40.default = true;
-    serde_1_0_10.default = true;
-    serde_json_1_0_2.default = (f.serde_json_1_0_2.default or true);
-    serde_json_1_0_2.linked-hash-map =
-      (f.serde_json_1_0_2.linked-hash-map or false) ||
-      (f.serde_json_1_0_2.preserve_order or false) ||
-      (serde_json_1_0_2.preserve_order or false);
-  }) [ dtoa_0_4_1_features itoa_0_3_1_features num_traits_0_1_40_features serde_1_0_10_features ];
-  serde_urlencoded_0_5_1 = { features?(serde_urlencoded_0_5_1_features {}) }: serde_urlencoded_0_5_1_ {
-    dependencies = mapFeatures features ([ dtoa_0_4_1 itoa_0_3_1 serde_1_0_10 url_1_5_1 ]);
-  };
-  serde_urlencoded_0_5_1_features = f: updateFeatures f (rec {
-    dtoa_0_4_1.default = true;
-    itoa_0_3_1.default = true;
-    serde_1_0_10.default = true;
-    serde_urlencoded_0_5_1.default = (f.serde_urlencoded_0_5_1.default or true);
-    url_1_5_1.default = true;
-  }) [ dtoa_0_4_1_features itoa_0_3_1_features serde_1_0_10_features url_1_5_1_features ];
-  skeptic_0_5_0 = { features?(skeptic_0_5_0_features {}) }: skeptic_0_5_0_ {
-    dependencies = mapFeatures features ([ pulldown_cmark_0_0_3 tempdir_0_3_5 ]);
-  };
-  skeptic_0_5_0_features = f: updateFeatures f (rec {
-    pulldown_cmark_0_0_3.default = true;
-    skeptic_0_5_0.default = (f.skeptic_0_5_0.default or true);
-    tempdir_0_3_5.default = true;
-  }) [ pulldown_cmark_0_0_3_features tempdir_0_3_5_features ];
-  slab_0_3_0 = { features?(slab_0_3_0_features {}) }: slab_0_3_0_ {};
-  slab_0_3_0_features = f: updateFeatures f (rec {
-    slab_0_3_0.default = (f.slab_0_3_0.default or true);
-  }) [];
-  smallvec_0_2_1 = { features?(smallvec_0_2_1_features {}) }: smallvec_0_2_1_ {};
-  smallvec_0_2_1_features = f: updateFeatures f (rec {
-    smallvec_0_2_1.default = (f.smallvec_0_2_1.default or true);
-  }) [];
-  strsim_0_6_0 = { features?(strsim_0_6_0_features {}) }: strsim_0_6_0_ {};
-  strsim_0_6_0_features = f: updateFeatures f (rec {
-    strsim_0_6_0.default = (f.strsim_0_6_0.default or true);
-  }) [];
-  syn_0_11_11 = { features?(syn_0_11_11_features {}) }: syn_0_11_11_ {
-    dependencies = mapFeatures features ([ ]
-      ++ (if features.syn_0_11_11.quote or false then [ quote_0_3_15 ] else [])
-      ++ (if features.syn_0_11_11.synom or false then [ synom_0_11_3 ] else [])
-      ++ (if features.syn_0_11_11.unicode-xid or false then [ unicode_xid_0_0_4 ] else []));
-    features = mkFeatures (features.syn_0_11_11 or {});
-  };
-  syn_0_11_11_features = f: updateFeatures f (rec {
-    quote_0_3_15.default = true;
-    syn_0_11_11.default = (f.syn_0_11_11.default or true);
-    syn_0_11_11.parsing =
-      (f.syn_0_11_11.parsing or false) ||
-      (f.syn_0_11_11.default or false) ||
-      (syn_0_11_11.default or false);
-    syn_0_11_11.printing =
-      (f.syn_0_11_11.printing or false) ||
-      (f.syn_0_11_11.default or false) ||
-      (syn_0_11_11.default or false);
-    syn_0_11_11.quote =
-      (f.syn_0_11_11.quote or false) ||
-      (f.syn_0_11_11.printing or false) ||
-      (syn_0_11_11.printing or false);
-    syn_0_11_11.synom =
-      (f.syn_0_11_11.synom or false) ||
-      (f.syn_0_11_11.parsing or false) ||
-      (syn_0_11_11.parsing or false);
-    syn_0_11_11.unicode-xid =
-      (f.syn_0_11_11.unicode-xid or false) ||
-      (f.syn_0_11_11.parsing or false) ||
-      (syn_0_11_11.parsing or false);
-    synom_0_11_3.default = true;
-    unicode_xid_0_0_4.default = true;
-  }) [ quote_0_3_15_features synom_0_11_3_features unicode_xid_0_0_4_features ];
-  synom_0_11_3 = { features?(synom_0_11_3_features {}) }: synom_0_11_3_ {
-    dependencies = mapFeatures features ([ unicode_xid_0_0_4 ]);
-  };
-  synom_0_11_3_features = f: updateFeatures f (rec {
-    synom_0_11_3.default = (f.synom_0_11_3.default or true);
-    unicode_xid_0_0_4.default = true;
-  }) [ unicode_xid_0_0_4_features ];
-  take_0_1_0 = { features?(take_0_1_0_features {}) }: take_0_1_0_ {};
-  take_0_1_0_features = f: updateFeatures f (rec {
-    take_0_1_0.default = (f.take_0_1_0.default or true);
-  }) [];
-  tempdir_0_3_5 = { features?(tempdir_0_3_5_features {}) }: tempdir_0_3_5_ {
-    dependencies = mapFeatures features ([ rand_0_3_15 ]);
-  };
-  tempdir_0_3_5_features = f: updateFeatures f (rec {
-    rand_0_3_15.default = true;
-    tempdir_0_3_5.default = (f.tempdir_0_3_5.default or true);
-  }) [ rand_0_3_15_features ];
-  thread_local_0_3_4 = { features?(thread_local_0_3_4_features {}) }: thread_local_0_3_4_ {
-    dependencies = mapFeatures features ([ lazy_static_0_2_8 unreachable_1_0_0 ]);
-  };
-  thread_local_0_3_4_features = f: updateFeatures f (rec {
-    lazy_static_0_2_8.default = true;
-    thread_local_0_3_4.default = (f.thread_local_0_3_4.default or true);
-    unreachable_1_0_0.default = true;
-  }) [ lazy_static_0_2_8_features unreachable_1_0_0_features ];
-  time_0_1_38 = { features?(time_0_1_38_features {}) }: time_0_1_38_ {
-    dependencies = mapFeatures features ([ libc_0_2_26 ])
-      ++ (if kernel == "redox" then mapFeatures features ([ redox_syscall_0_1_26 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ kernel32_sys_0_2_2 winapi_0_2_8 ]) else []);
-  };
-  time_0_1_38_features = f: updateFeatures f (rec {
-    kernel32_sys_0_2_2.default = true;
-    libc_0_2_26.default = true;
-    redox_syscall_0_1_26.default = true;
-    time_0_1_38.default = (f.time_0_1_38.default or true);
-    winapi_0_2_8.default = true;
-  }) [ libc_0_2_26_features redox_syscall_0_1_26_features kernel32_sys_0_2_2_features winapi_0_2_8_features ];
-  tokio_core_0_1_8 = { features?(tokio_core_0_1_8_features {}) }: tokio_core_0_1_8_ {
-    dependencies = mapFeatures features ([ bytes_0_4_4 futures_0_1_14 iovec_0_1_0 log_0_3_8 mio_0_6_9 scoped_tls_0_1_0 slab_0_3_0 tokio_io_0_1_2 ]);
-  };
-  tokio_core_0_1_8_features = f: updateFeatures f (rec {
-    bytes_0_4_4.default = true;
-    futures_0_1_14.default = true;
-    iovec_0_1_0.default = true;
-    log_0_3_8.default = true;
-    mio_0_6_9.default = true;
-    scoped_tls_0_1_0.default = true;
-    slab_0_3_0.default = true;
-    tokio_core_0_1_8.default = (f.tokio_core_0_1_8.default or true);
-    tokio_io_0_1_2.default = true;
-  }) [ bytes_0_4_4_features futures_0_1_14_features iovec_0_1_0_features log_0_3_8_features mio_0_6_9_features scoped_tls_0_1_0_features slab_0_3_0_features tokio_io_0_1_2_features ];
-  tokio_io_0_1_2 = { features?(tokio_io_0_1_2_features {}) }: tokio_io_0_1_2_ {
-    dependencies = mapFeatures features ([ bytes_0_4_4 futures_0_1_14 log_0_3_8 ]);
-  };
-  tokio_io_0_1_2_features = f: updateFeatures f (rec {
-    bytes_0_4_4.default = true;
-    futures_0_1_14.default = true;
-    log_0_3_8.default = true;
-    tokio_io_0_1_2.default = (f.tokio_io_0_1_2.default or true);
-  }) [ bytes_0_4_4_features futures_0_1_14_features log_0_3_8_features ];
-  tokio_proto_0_1_1 = { features?(tokio_proto_0_1_1_features {}) }: tokio_proto_0_1_1_ {
-    dependencies = mapFeatures features ([ futures_0_1_14 log_0_3_8 net2_0_2_30 rand_0_3_15 slab_0_3_0 smallvec_0_2_1 take_0_1_0 tokio_core_0_1_8 tokio_io_0_1_2 tokio_service_0_1_0 ]);
-  };
-  tokio_proto_0_1_1_features = f: updateFeatures f (rec {
-    futures_0_1_14.default = true;
-    log_0_3_8.default = true;
-    net2_0_2_30.default = true;
-    rand_0_3_15.default = true;
-    slab_0_3_0.default = true;
-    smallvec_0_2_1.default = true;
-    take_0_1_0.default = true;
-    tokio_core_0_1_8.default = true;
-    tokio_io_0_1_2.default = true;
-    tokio_proto_0_1_1.default = (f.tokio_proto_0_1_1.default or true);
-    tokio_service_0_1_0.default = true;
-  }) [ futures_0_1_14_features log_0_3_8_features net2_0_2_30_features rand_0_3_15_features slab_0_3_0_features smallvec_0_2_1_features take_0_1_0_features tokio_core_0_1_8_features tokio_io_0_1_2_features tokio_service_0_1_0_features ];
-  tokio_service_0_1_0 = { features?(tokio_service_0_1_0_features {}) }: tokio_service_0_1_0_ {
-    dependencies = mapFeatures features ([ futures_0_1_14 ]);
-  };
-  tokio_service_0_1_0_features = f: updateFeatures f (rec {
-    futures_0_1_14.default = true;
-    tokio_service_0_1_0.default = (f.tokio_service_0_1_0.default or true);
-  }) [ futures_0_1_14_features ];
-  tokio_tls_0_1_3 = { features?(tokio_tls_0_1_3_features {}) }: tokio_tls_0_1_3_ {
-    dependencies = mapFeatures features ([ futures_0_1_14 native_tls_0_1_4 tokio_core_0_1_8 tokio_io_0_1_2 ])
-      ++ (if !(kernel == "darwin") && !(kernel == "windows") && !(kernel == "ios") then mapFeatures features ([]) else [])
-      ++ (if kernel == "darwin" || kernel == "ios" then mapFeatures features ([]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([]) else []);
-  };
-  tokio_tls_0_1_3_features = f: updateFeatures f (rec {
-    futures_0_1_14.default = true;
-    native_tls_0_1_4.default = true;
-    tokio_core_0_1_8.default = true;
-    tokio_io_0_1_2.default = true;
-    tokio_tls_0_1_3.default = (f.tokio_tls_0_1_3.default or true);
-  }) [ futures_0_1_14_features native_tls_0_1_4_features tokio_core_0_1_8_features tokio_io_0_1_2_features ];
-  toml_0_4_2 = { features?(toml_0_4_2_features {}) }: toml_0_4_2_ {
-    dependencies = mapFeatures features ([ serde_1_0_10 ]);
-  };
-  toml_0_4_2_features = f: updateFeatures f (rec {
-    serde_1_0_10.default = true;
-    toml_0_4_2.default = (f.toml_0_4_2.default or true);
-  }) [ serde_1_0_10_features ];
-  unicase_2_0_0 = { features?(unicase_2_0_0_features {}) }: unicase_2_0_0_ {
-    buildDependencies = mapFeatures features ([ rustc_version_0_1_7 ]);
-    features = mkFeatures (features.unicase_2_0_0 or {});
-  };
-  unicase_2_0_0_features = f: updateFeatures f (rec {
-    rustc_version_0_1_7.default = true;
-    unicase_2_0_0.default = (f.unicase_2_0_0.default or true);
-  }) [ rustc_version_0_1_7_features ];
-  unicode_bidi_0_3_4 = { features?(unicode_bidi_0_3_4_features {}) }: unicode_bidi_0_3_4_ {
-    dependencies = mapFeatures features ([ matches_0_1_6 ]);
-    features = mkFeatures (features.unicode_bidi_0_3_4 or {});
-  };
-  unicode_bidi_0_3_4_features = f: updateFeatures f (rec {
-    matches_0_1_6.default = true;
-    unicode_bidi_0_3_4.default = (f.unicode_bidi_0_3_4.default or true);
-    unicode_bidi_0_3_4.flame =
-      (f.unicode_bidi_0_3_4.flame or false) ||
-      (f.unicode_bidi_0_3_4.flame_it or false) ||
-      (unicode_bidi_0_3_4.flame_it or false);
-    unicode_bidi_0_3_4.flamer =
-      (f.unicode_bidi_0_3_4.flamer or false) ||
-      (f.unicode_bidi_0_3_4.flame_it or false) ||
-      (unicode_bidi_0_3_4.flame_it or false);
-    unicode_bidi_0_3_4.serde =
-      (f.unicode_bidi_0_3_4.serde or false) ||
-      (f.unicode_bidi_0_3_4.with_serde or false) ||
-      (unicode_bidi_0_3_4.with_serde or false);
-  }) [ matches_0_1_6_features ];
-  unicode_normalization_0_1_5 = { features?(unicode_normalization_0_1_5_features {}) }: unicode_normalization_0_1_5_ {};
-  unicode_normalization_0_1_5_features = f: updateFeatures f (rec {
-    unicode_normalization_0_1_5.default = (f.unicode_normalization_0_1_5.default or true);
-  }) [];
-  unicode_width_0_1_4 = { features?(unicode_width_0_1_4_features {}) }: unicode_width_0_1_4_ {
-    features = mkFeatures (features.unicode_width_0_1_4 or {});
-  };
-  unicode_width_0_1_4_features = f: updateFeatures f (rec {
-    unicode_width_0_1_4.default = (f.unicode_width_0_1_4.default or true);
-  }) [];
-  unicode_xid_0_0_4 = { features?(unicode_xid_0_0_4_features {}) }: unicode_xid_0_0_4_ {
-    features = mkFeatures (features.unicode_xid_0_0_4 or {});
-  };
-  unicode_xid_0_0_4_features = f: updateFeatures f (rec {
-    unicode_xid_0_0_4.default = (f.unicode_xid_0_0_4.default or true);
-  }) [];
-  unreachable_1_0_0 = { features?(unreachable_1_0_0_features {}) }: unreachable_1_0_0_ {
-    dependencies = mapFeatures features ([ void_1_0_2 ]);
-  };
-  unreachable_1_0_0_features = f: updateFeatures f (rec {
-    unreachable_1_0_0.default = (f.unreachable_1_0_0.default or true);
-    void_1_0_2.default = (f.void_1_0_2.default or false);
-  }) [ void_1_0_2_features ];
-  url_1_5_1 = { features?(url_1_5_1_features {}) }: url_1_5_1_ {
-    dependencies = mapFeatures features ([ idna_0_1_4 matches_0_1_6 percent_encoding_1_0_0 ]);
-    features = mkFeatures (features.url_1_5_1 or {});
-  };
-  url_1_5_1_features = f: updateFeatures f (rec {
-    idna_0_1_4.default = true;
-    matches_0_1_6.default = true;
-    percent_encoding_1_0_0.default = true;
-    url_1_5_1.default = (f.url_1_5_1.default or true);
-    url_1_5_1.encoding =
-      (f.url_1_5_1.encoding or false) ||
-      (f.url_1_5_1.query_encoding or false) ||
-      (url_1_5_1.query_encoding or false);
-    url_1_5_1.heapsize =
-      (f.url_1_5_1.heapsize or false) ||
-      (f.url_1_5_1.heap_size or false) ||
-      (url_1_5_1.heap_size or false);
-  }) [ idna_0_1_4_features matches_0_1_6_features percent_encoding_1_0_0_features ];
-  utf8_ranges_1_0_0 = { features?(utf8_ranges_1_0_0_features {}) }: utf8_ranges_1_0_0_ {};
-  utf8_ranges_1_0_0_features = f: updateFeatures f (rec {
-    utf8_ranges_1_0_0.default = (f.utf8_ranges_1_0_0.default or true);
-  }) [];
-  void_1_0_2 = { features?(void_1_0_2_features {}) }: void_1_0_2_ {
-    features = mkFeatures (features.void_1_0_2 or {});
-  };
-  void_1_0_2_features = f: updateFeatures f (rec {
-    void_1_0_2.default = (f.void_1_0_2.default or true);
-    void_1_0_2.std =
-      (f.void_1_0_2.std or false) ||
-      (f.void_1_0_2.default or false) ||
-      (void_1_0_2.default or false);
-  }) [];
-  winapi_0_2_8 = { features?(winapi_0_2_8_features {}) }: winapi_0_2_8_ {};
-  winapi_0_2_8_features = f: updateFeatures f (rec {
-    winapi_0_2_8.default = (f.winapi_0_2_8.default or true);
-  }) [];
-  winapi_build_0_1_1 = { features?(winapi_build_0_1_1_features {}) }: winapi_build_0_1_1_ {};
-  winapi_build_0_1_1_features = f: updateFeatures f (rec {
-    winapi_build_0_1_1.default = (f.winapi_build_0_1_1.default or true);
-  }) [];
-  ws2_32_sys_0_2_1 = { features?(ws2_32_sys_0_2_1_features {}) }: ws2_32_sys_0_2_1_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  ws2_32_sys_0_2_1_features = f: updateFeatures f (rec {
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-    ws2_32_sys_0_2_1.default = (f.ws2_32_sys_0_2_1.default or true);
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-}
diff --git a/pkgs/tools/package-management/cargo-edit/default.nix b/pkgs/tools/package-management/cargo-edit/default.nix
index 37f543b66b64..e2cc49a3e99a 100644
--- a/pkgs/tools/package-management/cargo-edit/default.nix
+++ b/pkgs/tools/package-management/cargo-edit/default.nix
@@ -1,27 +1,31 @@
-{ stdenv, pkgs, darwin, defaultCrateOverrides, fetchFromGitHub }:
+{ stdenv, lib, darwin
+, rustPlatform, fetchFromGitHub
+, openssl, pkgconfig }:
 
-((import ./cargo-edit.nix { inherit pkgs; }).cargo_edit {}).override {
-  crateOverrides = defaultCrateOverrides // {
-    cargo-edit = attrs: rec {
-      name = "cargo-edit-${version}";
-      version = "0.2.0";
+rustPlatform.buildRustPackage rec {
+  name = "cargo-edit-${version}";
+  version = "0.3.0";
 
-      src = fetchFromGitHub {
-        owner = "killercup";
-        repo = "cargo-edit";
-        rev = "v${version}";
-        sha256 = "1jxppbb7s50pwg24qxf79fqvm1clwm2zdnv0xlkay7y05nd5bc0c";
-      };
+  src = fetchFromGitHub {
+    owner = "killercup";
+    repo = "cargo-edit";
+    rev = "v${version}";
+    sha256 = "0ngxyzqy5pfc0fqbvqw7kd40jhqzp67qvpzvh3yggk9yxa1jzsp0";
+  };
+
+  cargoSha256 = "1j7fqswdx6f2i5wr0pdavdvcv18j1l27a8ighr75p7f54apa27l8";
+
+  nativeBuildInputs = lib.optional (!stdenv.isDarwin) pkgconfig;
+  buildInputs = lib.optional (!stdenv.isDarwin) openssl;
+  propagatedBuildInputs = lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
 
-      propagatedBuildInputs = stdenv.lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Security ];
+  patches = [ ./disable-network-based-test.patch ];
 
-      meta = with stdenv.lib; {
-        description = "A utility for managing cargo dependencies from the command line";
-        homepage = https://github.com/killercup/cargo-edit;
-        license = with licenses; [ mit ];
-        maintainers = with maintainers; [ gerschtli jb55 ];
-        platforms = platforms.all;
-      };
-    };
+  meta = with lib; {
+    description = "A utility for managing cargo dependencies from the command line";
+    homepage = https://github.com/killercup/cargo-edit;
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ gerschtli jb55 ];
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/tools/package-management/cargo-edit/disable-network-based-test.patch b/pkgs/tools/package-management/cargo-edit/disable-network-based-test.patch
new file mode 100644
index 000000000000..d1044a7fc539
--- /dev/null
+++ b/pkgs/tools/package-management/cargo-edit/disable-network-based-test.patch
@@ -0,0 +1,10 @@
+--- cargo-edit.org/tests/cargo-upgrade.rs	2018-09-11 20:59:04.609532299 +0100
++++ cargo-edit/tests/cargo-upgrade.rs	2018-09-11 20:59:50.829435331 +0100
+@@ -302,6 +302,7 @@
+ }
+ 
+ #[test]
++#[ignore] // requires network
+ fn upgrade_prints_messages() {
+     let (_tmpdir, manifest) = clone_out_test("tests/fixtures/upgrade/Cargo.toml.source");
+