this derivation will be built:
  /nix/store/m88013g20sqvxmgwbw0a3s7yk4kb3vcq-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/m88013g20sqvxmgwbw0a3s7yk4kb3vcq-bcachefs-module-7.0.0-38-generic.drv'...