this derivation will be built:
  /nix/store/40nfvd01v3z17x3c74q8wvqwfy906qzh-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/40nfvd01v3z17x3c74q8wvqwfy906qzh-bcachefs-module-7.0.0-38-generic-64k.drv'...