this derivation will be built:
  /nix/store/mahvgsz8pcjc2lshnp6xh52nslhh0i7i-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/mahvgsz8pcjc2lshnp6xh52nslhh0i7i-bcachefs-module-7.0.0-34-generic.drv'...