this derivation will be built:
  /nix/store/v921hxh2pgv9hkmd9i7vs2jn9ia8fffg-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/v921hxh2pgv9hkmd9i7vs2jn9ia8fffg-bcachefs-module-7.0.0-38-generic.drv'...