this derivation will be built:
  /nix/store/i9hzk3j7rwk603114xiac0g03il7z8my-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/i9hzk3j7rwk603114xiac0g03il7z8my-bcachefs-module-7.0.0-31-generic.drv'...