Bun reproducible build in Guix?

[Ashvith10]

I am trying to package Bun on Guix, setting V1.0.0. So far, the build keeps failing with:

starting phase `build'
running: ("zig" "build" "--prefix" "" "--prefix-lib-dir" "lib" "--prefix-exe-dir" "bin" "--prefix-include-dir" "include" "-Drelease-safe")
/tmp/guix-build-bun-1.0.0.drv-0/source/src/wyhash.zig:28:21: error: expected 2 arguments, found 1
    return @as(u64, @truncate(r));
                    ^~~~~~~~~~~~
/tmp/guix-build-bun-1.0.0.drv-0/source/src/wyhash.zig:83:33: error: expected 2 arguments, found 1
        const rem_len = @as(u5, @intCast(b.len));
                                ^~~~~~~~~~~~~~~
/tmp/guix-build-bun-1.0.0.drv-0/source/src/wyhash.zig:167:33: error: expected 2 arguments, found 1
        self.buf_len += @as(u8, @intCast(b[off + aligned_len ..].len));
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/guix-build-bun-1.0.0.drv-0/source/build.zig:130:18: error: root struct of file 'std' has no member named 'Build'
const Build = std.Build;
              ~~~^~~~~~
referenced by:
    build: /tmp/guix-build-bun-1.0.0.drv-0/source/build.zig:138:18
    runBuild: /gnu/store/2zh3wjz1a24aas7lbp9w8484has6l36l-zig-0.10.1/lib/zig/build_runner.zig:231:45
    remaining reference traces hidden; use '-freference-trace' to see all reference traces

What seems to be the problem here? How may I resolve this? Zig version is at 0.10.1. I've also tried this with 0.9.0, but there seems to be no luck.