this derivation will be built:
  /nix/store/6x7w9cm1my73kmkk6kz0knky3s59fpzz-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6x7w9cm1my73kmkk6kz0knky3s59fpzz-bcachefs-module-7.0.0-38-generic.drv'...