this derivation will be built:
  /nix/store/i5804q4fkv2a6lyjgnz4p1smfl90c536-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/i5804q4fkv2a6lyjgnz4p1smfl90c536-bcachefs-module-7.0.0-39-generic.drv'...