this derivation will be built:
  /nix/store/bhjg76aqh730j7n9gqfphfmnl8a21vcq-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/bhjg76aqh730j7n9gqfphfmnl8a21vcq-bcachefs-module-7.0.0-29-generic.drv'...