this derivation will be built:
  /nix/store/2h9f69xzxbrwyv3vpbac0y3c06iazlmr-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/2h9f69xzxbrwyv3vpbac0y3c06iazlmr-bcachefs-module-7.0.0-31-generic.drv'...