flake.nix: switch to nightly for unstable borrow checking

2026-01-05 18:15:08 +09:00
parent 0defac7a9f
commit 4cb2862133
1 changed files with 3 additions and 2 deletions
--- a/flake.nix
+++ b/flake.nix
@@ -27,7 +27,7 @@
      };

      rust-bin = rust-overlay.lib.mkRustBin { } pkgs.buildPackages;
-      toolchain = rust-bin.stable.latest.default.override {
+      toolchain = rust-bin.nightly.latest.default.override {
        extensions = [ "rust-src" ];
      };
    in f system pkgs toolchain);
@@ -38,7 +38,8 @@
        cargo-edit
      ];

-      RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
+      env.RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
+      env.RUSTFLAGS = "-Zhigher-ranked-assumptions";
    });

    overlays = {