this derivation will be built:
  /nix/store/ywmyi16k2x7aa2mjx4pk4hnq5a3r9gym-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ywmyi16k2x7aa2mjx4pk4hnq5a3r9gym-bcachefs-module-7.0.0-39-generic.drv'...