this derivation will be built:
  /nix/store/87y8fca1wn2mryrrwz3dsr7vr907dnil-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/87y8fca1wn2mryrrwz3dsr7vr907dnil-bcachefs-module-7.0.0-39-generic.drv'...