this derivation will be built:
  /nix/store/npmr13jgbxv649hmjy1g8bl5mrwbn13x-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/npmr13jgbxv649hmjy1g8bl5mrwbn13x-bcachefs-module-7.0.0-28-generic.drv'...