this derivation will be built:
  /nix/store/vr8ykbfmj9bbd5p1n9wa47h93z2v8y4s-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/vr8ykbfmj9bbd5p1n9wa47h93z2v8y4s-bcachefs-module-7.0.0-38-generic.drv'...