this derivation will be built:
  /nix/store/g4kg3f1ciqlcmd3amydrqddd1wmanmxg-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/g4kg3f1ciqlcmd3amydrqddd1wmanmxg-bcachefs-module-7.0.0-30-generic.drv'...