this derivation will be built:
  /nix/store/x38lj7w68a8na0hydic55smkcp407r1q-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/x38lj7w68a8na0hydic55smkcp407r1q-bcachefs-module-7.0.0-39-generic.drv'...