this derivation will be built:
  /nix/store/j3zvqffrx2rcjpb2kzg5751z4mqhack0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/j3zvqffrx2rcjpb2kzg5751z4mqhack0-bcachefs-module-7.0.0-39-generic.drv'...