this derivation will be built:
  /nix/store/km7l1wxk2cjgz6s2bghxkpqmc4l2mqn0-bcachefs-module-7.1.13+deb14-cloud-arm64.drv
building '/nix/store/km7l1wxk2cjgz6s2bghxkpqmc4l2mqn0-bcachefs-module-7.1.13+deb14-cloud-arm64.drv'...