xvfb-run 0 -> 1
attrpath: xvfb-run
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[updateScript] 
[updateScript] Failed with exit code 1
this derivation will be built:
  /nix/store/70pqzzi1ivf2kzzm54w1vnp1zy0wvl78-packages.json.drv
building '/nix/store/70pqzzi1ivf2kzzm54w1vnp1zy0wvl78-packages.json.drv'...

Going to be running update for following packages:
 - xvfb-run

Press Enter key to continue...
Running update for:
 - xvfb-run: UPDATING ...
 - xvfb-run: ERROR

--- SHOWING ERROR LOG FOR xvfb-run ----------------------

/var/cache/nixpkgs-update/worker/worktree/xvfb-run/pkgs/tools/misc/xvfb-run/update.sh: line 7: nix-prefetch-git: command not found


--- SHOWING ERROR LOG FOR xvfb-run ----------------------
The update script for xvfb-run failed with exit code 127