this derivation will be built:
  /nix/store/3cvg3z49zdpcm6scqlkml5m2xzm4xcqw-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/3cvg3z49zdpcm6scqlkml5m2xzm4xcqw-bcachefs-module-7.0.0-34-generic.drv'...