this derivation will be built:
  /nix/store/6mvcchl0sgv90cnvf86qzcw56y8alf0y-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6mvcchl0sgv90cnvf86qzcw56y8alf0y-bcachefs-module-7.0.0-38-generic.drv'...