these 7 derivations will be built:
  /nix/store/3q57gi5h1qdrxc7jn2z9f0nvhyj229yk-cargo-src-memchr-2.8.3.drv
  /nix/store/5k2dh7l67vflghnmzi0x7zzmy5yq091s-cargo-package-memchr-2.8.3.drv
  /nix/store/r59j5vl0g0n74ds0vcn1bkhs16wab9jz-vendor-registry.drv
  /nix/store/a1385i9miwkfq0dpygvrdwn1ak11l342-vendor-cargo-deps.drv
  /nix/store/wiznsba8f7bmav666dvkwzbsy1sg2cxb-source.drv
  /nix/store/3by3zlx4w5q4kqs5zfgfh0fv7h7371ry-harmonia-deps-3.1.0.drv
  /nix/store/jxxk9524dhl1dc0kjr1d0hsqca57iy6f-harmonia-llvm-cov-3.1.0.drv