this derivation will be built:
  /nix/store/2myjsn501jn4q8k7q87ah5ry7s1mc7xh-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/2myjsn501jn4q8k7q87ah5ry7s1mc7xh-bcachefs-module-7.0.0-30-generic.drv'...