this derivation will be built:
  /nix/store/b3k3nr2h0g4lqxfa883pz5n345q24wfd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b3k3nr2h0g4lqxfa883pz5n345q24wfd-bcachefs-module-7.0.0-39-generic.drv'...