diff --git a/pkgs/by-name/sy/system-syzygy/Cargo.lock b/pkgs/by-name/sy/system-syzygy/Cargo.lock
deleted file mode 100644
index 9c08a1c193dc..000000000000
--- a/pkgs/by-name/sy/system-syzygy/Cargo.lock
+++ /dev/null
@@ -1,325 +0,0 @@
-[[package]]
-name = "adler32"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "ahi"
-version = "0.1.0"
-source = "git+https://github.com/mdsteele/ahi?tag=v0.1.0#8dfd2b39ba35d77a3260d95d53369c149e875ecf"
-
-[[package]]
-name = "app_dirs"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ole32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "shell32-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "xdg 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "bitflags"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "bitflags"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "byteorder"
-version = "1.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "cfg-if"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "deflate"
-version = "0.7.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "gcc"
-version = "0.3.54"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "getopts"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "glob"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "ico"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "png 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "inflate"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "itersynth"
-version = "0.1.0"
-source = "git+https://github.com/mdsteele/itersynth?tag=v0.1.0#bc1e3ffe726c80e3a931bf9e58f4a98f213c2bf5"
-
-[[package]]
-name = "lazy_static"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "libc"
-version = "0.2.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "num"
-version = "0.1.42"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-iter 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "num-integer"
-version = "0.1.36"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "num-iter"
-version = "0.1.35"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "ole32-sys"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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-
-[[package]]
-name = "png"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "deflate 0.7.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "inflate 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-iter 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
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-
-[[package]]
-name = "rand"
-version = "0.3.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "sdl2"
-version = "0.31.0"
-source = "git+https://github.com/mdsteele/rust-sdl2?branch=hash#f277981d55f68be33a64c33871b23c4c405e0763"
-dependencies = [
- "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "sdl2-sys 0.31.0 (git+https://github.com/mdsteele/rust-sdl2?branch=hash)",
-]
-
-[[package]]
-name = "sdl2-sys"
-version = "0.31.0"
-source = "git+https://github.com/mdsteele/rust-sdl2?branch=hash#f277981d55f68be33a64c33871b23c4c405e0763"
-dependencies = [
- "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "serde"
-version = "1.0.36"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "shell32-sys"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "syzygy"
-version = "1.0.1"
-dependencies = [
- "ahi 0.1.0 (git+https://github.com/mdsteele/ahi?tag=v0.1.0)",
- "app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "ico 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itersynth 0.1.0 (git+https://github.com/mdsteele/itersynth?tag=v0.1.0)",
- "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sdl2 0.31.0 (git+https://github.com/mdsteele/rust-sdl2?branch=hash)",
- "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "winres 0.1.6 (git+https://github.com/mdsteele/winres?branch=escape)",
-]
-
-[[package]]
-name = "toml"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "serde 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "winapi"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "winapi"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "winres"
-version = "0.1.6"
-source = "git+https://github.com/mdsteele/winres?branch=escape#d88139c3e1c2592bf14d1a4323c18103a21fe190"
-dependencies = [
- "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "xdg"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[metadata]
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-"checksum ahi 0.1.0 (git+https://github.com/mdsteele/ahi?tag=v0.1.0)" = "<none>"
-"checksum app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e73a24bad9bd6a94d6395382a6c69fe071708ae4409f763c5475e14ee896313d"
-"checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
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-"checksum byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "90492c5858dd7d2e78691cfb89f90d273a2800fc11d98f60786e5d87e2f83781"
-"checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
-"checksum deflate 0.7.19 (registry+https://github.com/rust-lang/crates.io-index)" = "8a6abb26e16e8d419b5c78662aa9f82857c2386a073da266840e474d5055ec86"
-"checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
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-"checksum gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)" = "5e33ec290da0d127825013597dbdfc28bee4964690c7ce1166cbc2a7bd08b1bb"
-"checksum getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)" = "b900c08c1939860ce8b54dc6a89e26e00c04c380fd0e09796799bd7f12861e05"
-"checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
-"checksum ico 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6a4b3331534254a9b64095ae60d3dc2a8225a7a70229cd5888be127cdc1f6804"
-"checksum inflate 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f5f9f47468e9a76a6452271efadc88fe865a82be91fe75e6c0c57b87ccea59d4"
-"checksum itersynth 0.1.0 (git+https://github.com/mdsteele/itersynth?tag=v0.1.0)" = "<none>"
-"checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
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-"checksum toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "a7540f4ffc193e0d3c94121edb19b055670d369f77d5804db11ae053a45b6e7e"
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-"checksum winres 0.1.6 (git+https://github.com/mdsteele/winres?branch=escape)" = "<none>"
-"checksum xdg 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a66b7c2281ebde13cf4391d70d4c7e5946c3c25e72a7b859ca8f677dcd0b0c61"
diff --git a/pkgs/by-name/sy/system-syzygy/package.nix b/pkgs/by-name/sy/system-syzygy/package.nix
index 1d1dffb6875a..7636ccf7ab82 100644
--- a/pkgs/by-name/sy/system-syzygy/package.nix
+++ b/pkgs/by-name/sy/system-syzygy/package.nix
@@ -19,27 +19,20 @@ let
 in
 rustPlatform.buildRustPackage rec {
   pname = "system-syzygy";
-  version = "1.0.1";
+  version = "1.0.2";
 
   src = fetchFromGitHub {
     owner = "mdsteele";
     repo = "syzygy";
-    rev = "5ba148fed7aae14bf35108d7303e4194e8ffe5e8";
-    sha256 = "07mzwx8ql33q865snnw4gm3dgf0mnm60lnq1f5fgas2yjy9g9vwa";
+    tag = "v${version}";
+    hash = "sha256-wxe9+r3tWRXiznvjvxsmTgUC7YVKgbt+I3Q8A/WtcN0=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
   buildInputs = [ SDL2 ];
 
-  cargoLock = {
-    lockFile = ./Cargo.lock;
-    outputHashes = {
-      "ahi-0.1.0" = "sha256-EliAObznLP1wkk8r3c3hhB300HYnEd9N6CJW+xG6bxE=";
-      "itersynth-0.1.0" = "sha256-dXQ+uBFchcnOjKF/CcS+AwhzFzejk2JCvvKMfS64RRQ=";
-      "sdl2-0.31.0" = "sha256-wTam0hwiajdw/ub2yM6q7+50Y3AueStcK5HLa65Y2XQ=";
-      "winres-0.1.6" = "sha256-7jYrgc3BV2UmzfACc/xyYsTkaXBPfn+bLmwdrcBe1O0=";
-    };
-  };
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-H/iG6vsmtpBGYBBqNQG5EpyZaUtfXfVaHv4fkxwqrD0=";
 
   postInstall = ''
     mkdir -p $out/share/syzygy/