this derivation will be built:
  /nix/store/nby72f0w67v5lih35mna493607vjr490-bcachefs-module-7.1.7+deb14-rt-arm64.drv
building '/nix/store/nby72f0w67v5lih35mna493607vjr490-bcachefs-module-7.1.7+deb14-rt-arm64.drv'...