this derivation will be built:
  /nix/store/39p0q49yq7k0hnpy4jnla9qfbxmh7bm8-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/39p0q49yq7k0hnpy4jnla9qfbxmh7bm8-bcachefs-module-7.0.0-28-generic.drv'...