this derivation will be built:
  /nix/store/vkpmwnpylp36w19jvm1k69dky7zbb66r-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vkpmwnpylp36w19jvm1k69dky7zbb66r-bcachefs-module-7.0.0-31-generic.drv'...