this derivation will be built:
  /nix/store/64hbw55qisiz31wxmaysr1db7r4ydi1q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/64hbw55qisiz31wxmaysr1db7r4ydi1q-bcachefs-module-7.0.0-38-generic.drv'...