this derivation will be built:
  /nix/store/dw7dyqmdzj3jkn9bwpfxn84jfd248vf4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dw7dyqmdzj3jkn9bwpfxn84jfd248vf4-bcachefs-module-7.0.0-39-generic.drv'...