this derivation will be built:
  /nix/store/ba4npypdcz3264qg9rfslsdqq0q7fghb-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/ba4npypdcz3264qg9rfslsdqq0q7fghb-bcachefs-module-7.0.0-34-generic.drv'...