this derivation will be built:
  /nix/store/gir8md2ap1z2mz35wg8wzrpx3z7y7xri-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/gir8md2ap1z2mz35wg8wzrpx3z7y7xri-bcachefs-module-7.0.0-30-generic.drv'...