this derivation will be built:
  /nix/store/wk8widmvzmx0i4hys1wwjfya0ylkf2kn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/wk8widmvzmx0i4hys1wwjfya0ylkf2kn-bcachefs-module-7.0.0-38-generic.drv'...