this derivation will be built:
  /nix/store/b1xz5gb7y9r0bwgm93r9j42zkhhqijvd-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/b1xz5gb7y9r0bwgm93r9j42zkhhqijvd-bcachefs-module-7.0.0-30-generic.drv'...