this derivation will be built:
  /nix/store/sjkmqf4y828m4n2m3zjqamjrqqb32dqg-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/sjkmqf4y828m4n2m3zjqamjrqqb32dqg-bcachefs-module-7.0.0-31-generic-64k.drv'...