these 6 derivations will be built:
  /nix/store/bzm10hcxgzf31xrx1rh2rpp5fbni339k-source.drv
  /nix/store/gapmwshh0qh6kiw81xbkhwj5h8p415v2-herdr-0.9.4-vendor-staging.drv
  /nix/store/jrzzcg13gy6zq99jzjprjf6dac6q4kda-herdr-0.9.4-vendor.drv
  /nix/store/pzfhzw6yriah5mxaxn3r1jj7s9l9a8xs-herdr-0.9.4-zig-deps.drv
  /nix/store/1q13vr30mfky3gigkjav078f5dk02z08-herdr-0.9.4.drv
  /nix/store/y65ppjik4fwxcpbwff2q2rycvxd4jrvp-check-herdr.drv