this derivation will be built:
  /nix/store/flwjyihmf8psr632cf8s1s4k5if2by1z-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/flwjyihmf8psr632cf8s1s4k5if2by1z-bcachefs-module-7.0.0-39-generic.drv'...