this derivation will be built:
  /nix/store/6azn1fw4fz4c8793nx60lc0xrx78nl1p-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/6azn1fw4fz4c8793nx60lc0xrx78nl1p-bcachefs-module-7.0.0-34-generic.drv'...