this derivation will be built:
  /nix/store/vlh7ljcjdraf67674mcav5gaz5dx2fcz-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vlh7ljcjdraf67674mcav5gaz5dx2fcz-bcachefs-module-7.0.0-39-generic.drv'...