this derivation will be built:
  /nix/store/2bfzys347np7yrzz6l444kmbigl4nd5y-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/2bfzys347np7yrzz6l444kmbigl4nd5y-bcachefs-module-7.0.0-28-generic.drv'...