rust: 1.55.0 -> 1.56.0

+ use llvm_13 as this is the default now:
  rust-lang/rust#87570

pkgs/development/compilers/rust/1_56.nix

@@ -0,0 +1,60 @@
+# New rust versions should first go to staging.
+# Things to check after updating:
+# 1. Rustc should produce rust binaries on x86_64-linux, aarch64-linux and x86_64-darwin:
+#    i.e. nix-shell -p fd or @GrahamcOfBorg build fd on github
+#    This testing can be also done by other volunteers as part of the pull
+#    request review, in case platforms cannot be covered.
+# 2. The LLVM version used for building should match with rust upstream.
+#    Check the version number in the src/llvm-project git submodule in:
+#    https://github.com/rust-lang/rust/blob/<version-tag>/.gitmodules
+# 3. Firefox and Thunderbird should still build on x86_64-linux.
+
+{ stdenv, lib
+, buildPackages
+, newScope, callPackage
+, CoreFoundation, Security, SystemConfiguration
+, pkgsBuildTarget, pkgsBuildBuild, pkgsBuildHost
+, makeRustPlatform
+, llvmPackages_11
+, llvmPackages_13, llvm_13
+} @ args:
+
+import ./default.nix {
+  rustcVersion = "1.56.0";
+  rustcSha256 = "0gzl5mzh9zm1ld6gkvlp0118d3qx4vw4n3wfq40k1swdd4nxf3yd";
+
+  llvmSharedForBuild = pkgsBuildBuild.llvmPackages_13.libllvm.override { enableSharedLibraries = true; };
+  llvmSharedForHost = pkgsBuildHost.llvmPackages_13.libllvm.override { enableSharedLibraries = true; };
+  llvmSharedForTarget = pkgsBuildTarget.llvmPackages_13.libllvm.override { enableSharedLibraries = true; };
+
+  llvmBootstrapForDarwin = llvmPackages_11;
+
+  # For use at runtime
+  llvmShared = llvm_13.override { enableSharedLibraries = true; };
+
+  # Note: the version MUST be one version prior to the version we're
+  # building
+  bootstrapVersion = "1.55.0";
+
+  # fetch hashes by running `print-hashes.sh ${bootstrapVersion}`
+  bootstrapHashes = {
+    i686-unknown-linux-gnu = "6e42b6c44d2eb4170f4144423fa3c33338d8d5c3ea00b03bbac200c877bc9e98";
+    x86_64-unknown-linux-gnu = "2080253a2ec36ac8ed6e060d30802d888533124b8d16545cfd4af898b365eaac";
+    x86_64-unknown-linux-musl = "f24f68587253c4bfbe59d3d10fe4897068d9130538de6b2d02097a25718030c2";
+    arm-unknown-linux-gnueabihf = "483444153d35cda51c6aec2c24bc4c97fa4fd30b28df4b60bf9763bd6e06da3a";
+    armv7-unknown-linux-gnueabihf = "8c72f0eb75b10db970fb546c3b41f5e97df294d5dbbf0b8fa96e17f2b281ee9c";
+    aarch64-unknown-linux-gnu = "eebdb2e659ed14884a49f0457d44e5e8c9f89fca3414533752c6dbb96232c156";
+    aarch64-unknown-linux-musl = "2ce36a7d34f1f2aa43b4cbc0b437d96eefb45743828bf9ae699ff581ae257f28";
+    x86_64-apple-darwin = "2e345ac7724c192c9487a2c6bd4f6c52c884d791981510288830d27d9a0bf2f3";
+    aarch64-apple-darwin = "70c71d30d0de76912fcd88d503a6cb4323cfe6250c1a255be7e0d4e644b3d40a";
+    powerpc64le-unknown-linux-gnu = "12bf6447d338cbe2b55539b84e6369b17e7eefe938d1ba7e3dd69781c9cc9812";
+    riscv64gc-unknown-linux-gnu = "effceb45346fef3b0b54b357336e6f374f788b803bb1bee4084f25eace8907f3";
+  };
+
+  selectRustPackage = pkgs: pkgs.rust_1_56;
+
+  rustcPatches = [
+  ];
+}
+
+(builtins.removeAttrs args [ "fetchpatch" "pkgsBuildHost" "llvmPackages_11" "llvmPackages_13" "llvm_13"])

pkgs/top-level/all-packages.nix

@@ -12601,19 +12601,19 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) CoreFoundation Security SystemConfiguration;
     llvm_10 = llvmPackages_10.libllvm;
   };
-  rust_1_55 = callPackage ../development/compilers/rust/1_55.nix {
+  rust_1_56 = callPackage ../development/compilers/rust/1_56.nix {
     inherit (darwin.apple_sdk.frameworks) CoreFoundation Security SystemConfiguration;
-    llvm_12 = llvmPackages_12.libllvm;
+    llvm_13 = llvmPackages_13.libllvm;
   };
-  rust = rust_1_55;
+  rust = rust_1_56;
 
   mrustc = callPackage ../development/compilers/mrustc { };
   mrustc-minicargo = callPackage ../development/compilers/mrustc/minicargo.nix { };
   mrustc-bootstrap = callPackage ../development/compilers/mrustc/bootstrap.nix { };
 
   rustPackages_1_45 = rust_1_45.packages.stable;
-  rustPackages_1_55 = rust_1_55.packages.stable;
-  rustPackages = rustPackages_1_55;
+  rustPackages_1_56 = rust_1_56.packages.stable;
+  rustPackages = rustPackages_1_56;
 
   inherit (rustPackages) cargo clippy rustc rustPlatform;