this derivation will be built:
  /nix/store/56ldjkj023x5fyrr1m8znlsibgh5i6gm-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/56ldjkj023x5fyrr1m8znlsibgh5i6gm-bcachefs-module-7.0.0-26-generic.drv'...