this derivation will be built:
  /nix/store/mnm86sfvwxwqp028wr0466asxrpyx2h7-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/mnm86sfvwxwqp028wr0466asxrpyx2h7-bcachefs-module-7.0.0-34-generic.drv'...