this derivation will be built:
  /nix/store/cmgm4rfan5kxnfi2bfb9gxlpgv0g8y6q-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/cmgm4rfan5kxnfi2bfb9gxlpgv0g8y6q-bcachefs-module-7.0.0-27-generic.drv'...