{ lib, buildRustCrate, buildRustCrateHelpers }:
with buildRustCrateHelpers;
let inherit (lib.lists) fold;
    inherit (lib.attrsets) recursiveUpdate;
in
rec {

  crates.itoa."0.4.3" = deps: { features?(features_.itoa."0.4.3" deps {}) }: buildRustCrate {
    crateName = "itoa";
    version = "0.4.3";
    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "0zadimmdgvili3gdwxqg7ljv3r4wcdg1kkdfp9nl15vnm23vrhy1";
    features = mkFeatures (features.itoa."0.4.3" or {});
  };
  features_.itoa."0.4.3" = deps: f: updateFeatures f (rec {
    itoa = fold recursiveUpdate {} [
      { "0.4.3".default = (f.itoa."0.4.3".default or true); }
      { "0.4.3".std =
        (f.itoa."0.4.3".std or false) ||
        (f.itoa."0.4.3".default or false) ||
        (itoa."0.4.3"."default" or false); }
    ];
  }) [];


  crates.proc_macro2."0.4.19" = deps: { features?(features_.proc_macro2."0.4.19" deps {}) }: buildRustCrate {
    crateName = "proc-macro2";
    version = "0.4.19";
    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
    sha256 = "1k76q9qfgyhqv0w80f0r4hv4dfm0sk751pm9bc1v40qq1sp6jypn";
    build = "build.rs";
    dependencies = mapFeatures features ([
      (crates."unicode_xid"."${deps."proc_macro2"."0.4.19"."unicode_xid"}" deps)
    ]);
    features = mkFeatures (features.proc_macro2."0.4.19" or {});
  };
  features_.proc_macro2."0.4.19" = deps: f: updateFeatures f (rec {
    proc_macro2 = fold recursiveUpdate {} [
      { "0.4.19".default = (f.proc_macro2."0.4.19".default or true); }
      { "0.4.19".proc-macro =
        (f.proc_macro2."0.4.19".proc-macro or false) ||
        (f.proc_macro2."0.4.19".default or false) ||
        (proc_macro2."0.4.19"."default" or false) ||
        (f.proc_macro2."0.4.19".nightly or false) ||
        (proc_macro2."0.4.19"."nightly" or false); }
    ];
    unicode_xid."${deps.proc_macro2."0.4.19".unicode_xid}".default = true;
  }) [
    (features_.unicode_xid."${deps."proc_macro2"."0.4.19"."unicode_xid"}" deps)
  ];


  crates.quote."0.6.8" = deps: { features?(features_.quote."0.6.8" deps {}) }: buildRustCrate {
    crateName = "quote";
    version = "0.6.8";
    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "0dq6j23w6pmc4l6v490arixdwypy0b82z76nrzaingqhqri4p3mh";
    dependencies = mapFeatures features ([
      (crates."proc_macro2"."${deps."quote"."0.6.8"."proc_macro2"}" deps)
    ]);
    features = mkFeatures (features.quote."0.6.8" or {});
  };
  features_.quote."0.6.8" = deps: f: updateFeatures f (rec {
    proc_macro2 = fold recursiveUpdate {} [
      { "${deps.quote."0.6.8".proc_macro2}".default = (f.proc_macro2."${deps.quote."0.6.8".proc_macro2}".default or false); }
      { "0.4.19".proc-macro =
        (f.proc_macro2."0.4.19".proc-macro or false) ||
        (quote."0.6.8"."proc-macro" or false) ||
        (f."quote"."0.6.8"."proc-macro" or false); }
    ];
    quote = fold recursiveUpdate {} [
      { "0.6.8".default = (f.quote."0.6.8".default or true); }
      { "0.6.8".proc-macro =
        (f.quote."0.6.8".proc-macro or false) ||
        (f.quote."0.6.8".default or false) ||
        (quote."0.6.8"."default" or false); }
    ];
  }) [
    (features_.proc_macro2."${deps."quote"."0.6.8"."proc_macro2"}" deps)
  ];


  crates.ryu."0.2.6" = deps: { features?(features_.ryu."0.2.6" deps {}) }: buildRustCrate {
    crateName = "ryu";
    version = "0.2.6";
    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "1vdh6z4aysc9kiiqhl7vxkqz3fykcnp24kgfizshlwfsz2j0p9dr";
    build = "build.rs";
    dependencies = mapFeatures features ([
]);
    features = mkFeatures (features.ryu."0.2.6" or {});
  };
  features_.ryu."0.2.6" = deps: f: updateFeatures f (rec {
    ryu."0.2.6".default = (f.ryu."0.2.6".default or true);
  }) [];


  crates.serde."1.0.79" = deps: { features?(features_.serde."1.0.79" deps {}) }: buildRustCrate {
    crateName = "serde";
    version = "1.0.79";
    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "123jh1h8a7r1qk61n97arm1rwkzfg35a0j5a9nbmcy6y7xc4rbsc";
    build = "build.rs";
    dependencies = mapFeatures features ([
]);
    features = mkFeatures (features.serde."1.0.79" or {});
  };
  features_.serde."1.0.79" = deps: f: updateFeatures f (rec {
    serde = fold recursiveUpdate {} [
      { "1.0.79".default = (f.serde."1.0.79".default or true); }
      { "1.0.79".serde_derive =
        (f.serde."1.0.79".serde_derive or false) ||
        (f.serde."1.0.79".derive or false) ||
        (serde."1.0.79"."derive" or false); }
      { "1.0.79".std =
        (f.serde."1.0.79".std or false) ||
        (f.serde."1.0.79".default or false) ||
        (serde."1.0.79"."default" or false); }
      { "1.0.79".unstable =
        (f.serde."1.0.79".unstable or false) ||
        (f.serde."1.0.79".alloc or false) ||
        (serde."1.0.79"."alloc" or false); }
    ];
  }) [];


  crates.serde_derive."1.0.79" = deps: { features?(features_.serde_derive."1.0.79" deps {}) }: buildRustCrate {
    crateName = "serde_derive";
    version = "1.0.79";
    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "1waika12l2ibqyak53xq46rvh70zk9ql3m84aa4vkvjbl0z93qab";
    procMacro = true;
    dependencies = mapFeatures features ([
      (crates."proc_macro2"."${deps."serde_derive"."1.0.79"."proc_macro2"}" deps)
      (crates."quote"."${deps."serde_derive"."1.0.79"."quote"}" deps)
      (crates."syn"."${deps."serde_derive"."1.0.79"."syn"}" deps)
    ]);
    features = mkFeatures (features.serde_derive."1.0.79" or {});
  };
  features_.serde_derive."1.0.79" = deps: f: updateFeatures f (rec {
    proc_macro2."${deps.serde_derive."1.0.79".proc_macro2}".default = true;
    quote."${deps.serde_derive."1.0.79".quote}".default = true;
    serde_derive."1.0.79".default = (f.serde_derive."1.0.79".default or true);
    syn = fold recursiveUpdate {} [
      { "${deps.serde_derive."1.0.79".syn}"."visit" = true; }
      { "${deps.serde_derive."1.0.79".syn}".default = true; }
    ];
  }) [
    (features_.proc_macro2."${deps."serde_derive"."1.0.79"."proc_macro2"}" deps)
    (features_.quote."${deps."serde_derive"."1.0.79"."quote"}" deps)
    (features_.syn."${deps."serde_derive"."1.0.79"."syn"}" deps)
  ];


  crates.serde_json."1.0.30" = deps: { features?(features_.serde_json."1.0.30" deps {}) }: buildRustCrate {
    crateName = "serde_json";
    version = "1.0.30";
    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "0hqgfzwk0xiakxm3q5g012s9i437b1z24i8snw8gph5p49bgqb1a";
    dependencies = mapFeatures features ([
      (crates."itoa"."${deps."serde_json"."1.0.30"."itoa"}" deps)
      (crates."ryu"."${deps."serde_json"."1.0.30"."ryu"}" deps)
      (crates."serde"."${deps."serde_json"."1.0.30"."serde"}" deps)
    ]);
    features = mkFeatures (features.serde_json."1.0.30" or {});
  };
  features_.serde_json."1.0.30" = deps: f: updateFeatures f (rec {
    itoa."${deps.serde_json."1.0.30".itoa}".default = true;
    ryu."${deps.serde_json."1.0.30".ryu}".default = true;
    serde."${deps.serde_json."1.0.30".serde}".default = true;
    serde_json = fold recursiveUpdate {} [
      { "1.0.30".default = (f.serde_json."1.0.30".default or true); }
      { "1.0.30".indexmap =
        (f.serde_json."1.0.30".indexmap or false) ||
        (f.serde_json."1.0.30".preserve_order or false) ||
        (serde_json."1.0.30"."preserve_order" or false); }
    ];
  }) [
    (features_.itoa."${deps."serde_json"."1.0.30"."itoa"}" deps)
    (features_.ryu."${deps."serde_json"."1.0.30"."ryu"}" deps)
    (features_.serde."${deps."serde_json"."1.0.30"."serde"}" deps)
  ];


  crates.syn."0.15.6" = deps: { features?(features_.syn."0.15.6" deps {}) }: buildRustCrate {
    crateName = "syn";
    version = "0.15.6";
    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
    sha256 = "0my8dlp8mfvj98cp2a57r129k9vjr8n3as8gbxcwsl98z429qhy7";
    dependencies = mapFeatures features ([
      (crates."proc_macro2"."${deps."syn"."0.15.6"."proc_macro2"}" deps)
      (crates."unicode_xid"."${deps."syn"."0.15.6"."unicode_xid"}" deps)
    ]
      ++ (if features.syn."0.15.6".quote or false then [ (crates.quote."0.6.8" deps) ] else []));
    features = mkFeatures (features.syn."0.15.6" or {});
  };
  features_.syn."0.15.6" = deps: f: updateFeatures f (rec {
    proc_macro2 = fold recursiveUpdate {} [
      { "${deps.syn."0.15.6".proc_macro2}".default = (f.proc_macro2."${deps.syn."0.15.6".proc_macro2}".default or false); }
      { "0.4.19".proc-macro =
        (f.proc_macro2."0.4.19".proc-macro or false) ||
        (syn."0.15.6"."proc-macro" or false) ||
        (f."syn"."0.15.6"."proc-macro" or false); }
    ];
    quote = fold recursiveUpdate {} [
      { "${deps.syn."0.15.6".quote}".default = (f.quote."${deps.syn."0.15.6".quote}".default or false); }
      { "0.6.8".proc-macro =
        (f.quote."0.6.8".proc-macro or false) ||
        (syn."0.15.6"."proc-macro" or false) ||
        (f."syn"."0.15.6"."proc-macro" or false); }
    ];
    syn = fold recursiveUpdate {} [
      { "0.15.6".clone-impls =
        (f.syn."0.15.6".clone-impls or false) ||
        (f.syn."0.15.6".default or false) ||
        (syn."0.15.6"."default" or false); }
      { "0.15.6".default = (f.syn."0.15.6".default or true); }
      { "0.15.6".derive =
        (f.syn."0.15.6".derive or false) ||
        (f.syn."0.15.6".default or false) ||
        (syn."0.15.6"."default" or false); }
      { "0.15.6".parsing =
        (f.syn."0.15.6".parsing or false) ||
        (f.syn."0.15.6".default or false) ||
        (syn."0.15.6"."default" or false); }
      { "0.15.6".printing =
        (f.syn."0.15.6".printing or false) ||
        (f.syn."0.15.6".default or false) ||
        (syn."0.15.6"."default" or false); }
      { "0.15.6".proc-macro =
        (f.syn."0.15.6".proc-macro or false) ||
        (f.syn."0.15.6".default or false) ||
        (syn."0.15.6"."default" or false); }
      { "0.15.6".quote =
        (f.syn."0.15.6".quote or false) ||
        (f.syn."0.15.6".printing or false) ||
        (syn."0.15.6"."printing" or false); }
    ];
    unicode_xid."${deps.syn."0.15.6".unicode_xid}".default = true;
  }) [
    (features_.proc_macro2."${deps."syn"."0.15.6"."proc_macro2"}" deps)
    (features_.quote."${deps."syn"."0.15.6"."quote"}" deps)
    (features_.unicode_xid."${deps."syn"."0.15.6"."unicode_xid"}" deps)
  ];


  crates.unicode_xid."0.1.0" = deps: { features?(features_.unicode_xid."0.1.0" deps {}) }: buildRustCrate {
    crateName = "unicode-xid";
    version = "0.1.0";
    authors = [ "erick.tryzelaar <erick.tryzelaar@gmail.com>" "kwantam <kwantam@gmail.com>" ];
    sha256 = "05wdmwlfzxhq3nhsxn6wx4q8dhxzzfb9szsz6wiw092m1rjj01zj";
    features = mkFeatures (features.unicode_xid."0.1.0" or {});
  };
  features_.unicode_xid."0.1.0" = deps: f: updateFeatures f (rec {
    unicode_xid."0.1.0".default = (f.unicode_xid."0.1.0".default or true);
  }) [];


}