Hi,

I'm trying to package Rust 1.65.0.  When I try to build it, it fails 
with the following error:

starting phase `build'
Building rustbuild
error: checksum for `windows_x86_64_msvc v0.36.1` changed between lock files

this could be indicative of a few possible errors:

     * the lock file is corrupt
     * a replacement source in use (e.g., a mirror) returned a different checksum
     * the source itself may be corrupt in one way or another

unable to verify that `windows_x86_64_msvc v0.36.1` is the same as when the lockfile was generated

failed to run: /gnu/store/8l1m8hy3aifx8v8gmvndncld8ngyv6mm-rust-1.63.0-cargo/bin/cargo build --manifest-path /tmp/guix-build-rust-1.65.0.drv-0/rustc-1.65.0-src/src/bootstrap/Cargo.toml --frozen

The name of the crate (i.e., windows_x86_64) changes across runs.  The 
same error happens with Rust 1.64.0, but not any earlier versions.  Does 
anyone know how to resolve this?

Matt