this derivation will be built:
  /nix/store/2km8iffsnwhb02vpv2b5ayy0a7jx4snx-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/2km8iffsnwhb02vpv2b5ayy0a7jx4snx-bcachefs-module-7.0.0-30-generic.drv'...