Remove rust nightly

It is churning our disc and cache too much relative to its actual utility.

builds.template.yml

@@ -5,10 +5,8 @@
 env:
   rust_pins:
     stable: &rust_stable "${RUST_STABLE_PIN}"
-    nightly: &nightly_pin "${RUST_NIGHTLY_PIN}"
   llvm_for_rust_pins:
     stable: &llvm_stable "${RUST_STABLE_PIN_LLVM}"
-    nightly: &llvm_nightly "${RUST_NIGHTLY_PIN_LLVM}"
   nixpkgs:
     unstable: &nixpkgs_unstable "${NIXPKGS_COMMIT}"
   just:
@@ -31,12 +29,5 @@ matrix:
           - "x86_64-unknown-linux-gnu"
           - "x86_64-unknown-linux-musl"
       just: *just_version
-    - # pinned nightly
-      <<: *default
-      key: "nightly"
-      llvm: *llvm_nightly
-      rust:
-        channel: "nightly"
-        version: *nightly_pin
   nixpkgs:
     - *nixpkgs_unstable

builds.yml

@@ -5,10 +5,8 @@
 env:
   rust_pins:
     stable: &rust_stable "1.82.0"
-    nightly: &nightly_pin "2024-11-07"
   llvm_for_rust_pins:
     stable: &llvm_stable "19"
-    nightly: &llvm_nightly "19"
   nixpkgs:
     unstable: &nixpkgs_unstable "85f7e662eda4fa3a995556527c87b2524b691933"
   just:
@@ -31,12 +29,5 @@ matrix:
           - "x86_64-unknown-linux-gnu"
           - "x86_64-unknown-linux-musl"
       just: *just_version
-    - # pinned nightly
-      <<: *default
-      key: "nightly"
-      llvm: *llvm_nightly
-      rust:
-        channel: "nightly"
-        version: *nightly_pin
   nixpkgs:
     - *nixpkgs_unstable

default.nix

@@ -212,14 +212,7 @@
 
   rust-toolchain = with rust-version;
     (toolchainPkgs.rust-bin.${channel}.${version}.${profile}.override {
-      extensions = [
-        "cargo"
-        "clippy"
-        "rust-src"
-        "rust-std"
-        "rustfmt"
-      ];
-      targets = targets;
+      inherit targets extensions;
     });
 
   # Don't add in a shell here or it may override the shell in the

nix/versions.nix

@@ -37,13 +37,13 @@
       llvm = "19";
       profile = "default";
       targets = ["x86_64-unknown-linux-gnu" "x86_64-unknown-linux-musl"];
-    };
-    nightly = {
-      channel = "nightly";
-      version = "2024-11-07";
-      llvm = "19";
-      profile = "default";
-      targets = ["x86_64-unknown-linux-gnu" "x86_64-unknown-linux-musl"];
+      extensions = [
+        "cargo"
+        "clippy"
+        "rust-src"
+        "rust-std"
+        "rustfmt"
+      ];
     };
   };
 }

nix/versions.nix.template

@@ -37,13 +37,13 @@
       llvm = "$RUST_STABLE_PIN_LLVM";
       profile = "default";
       targets = ["x86_64-unknown-linux-gnu" "x86_64-unknown-linux-musl"];
-    };
-    nightly = {
-      channel = "nightly";
-      version = "$RUST_NIGHTLY_PIN";
-      llvm = "$RUST_NIGHTLY_PIN_LLVM";
-      profile = "default";
-      targets = ["x86_64-unknown-linux-gnu" "x86_64-unknown-linux-musl"];
+      extensions = [
+        "cargo"
+        "clippy"
+        "rust-src"
+        "rust-std"
+        "rustfmt"
+      ];
     };
   };
 }

scripts/bump.sh

@@ -99,18 +99,13 @@ pushd "${project_dir}"
 
 rustup update
 rustup toolchain install "stable"
-rustup toolchain install "nightly"
 rustup update
 
-declare RUST_STABLE_PIN RUST_NIGHTLY_PIN RUST_STABLE_PIN_LLVM RUST_NIGHTLY_PIN_LLVM
+declare RUST_STABLE_PIN RUST_STABLE_PIN_LLVM
 RUST_STABLE_PIN="$(rustc "+stable" -vV | grep 'release:' | awk '{print $NF}')"
-RUST_NIGHTLY_PIN="$(rustc "+nightly" -vV | grep 'commit-date:' | awk '{print $NF}')"
 RUST_STABLE_PIN_LLVM="$(rustc "+stable" -vV | grep 'LLVM version:' | awk '{print $NF}' | sed 's/\([0-9]\+\)\.[0-9]\+\.[0-9]\+/\1/')"
-RUST_NIGHTLY_PIN_LLVM="$(rustc "+nightly" -vV | grep 'LLVM version:' | awk '{print $NF}' | sed 's/\([0-9]\+\)\.[0-9]\+\.[0-9]\+/\1/')"
 declare -rx RUST_STABLE_PIN
-declare -rx RUST_NIGHTLY_PIN
 declare -rx RUST_STABLE_PIN_LLVM
-declare -rx RUST_NIGHTLY_PIN_LLVM
 
 declare JUST_STABLE_PIN
 JUST_STABLE_PIN="$(just --version | grep '^just ' | awk '{print $NF}')"