this derivation will be built:
  /nix/store/pwv37dd1r4029sl0af2jamlzk6cmhmz2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pwv37dd1r4029sl0af2jamlzk6cmhmz2-bcachefs-module-7.0.0-39-generic.drv'...