Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: flatten-references-graph 0 -> 1
attrpath: flatten-references-graph
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Failed with exit code 1
this derivation will be built:
  /nix/store/f519bqw3z809cwkgm6i7radgll7x15pc-packages.json.drv
building '/nix/store/f519bqw3z809cwkgm6i7radgll7x15pc-packages.json.drv'...

Going to be running update for following packages:
 - flatten-references-graph-0.1.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - flatten-references-graph-0.1.0: UPDATING ...
 - flatten-references-graph-0.1.0: ERROR

--- SHOWING ERROR LOG FOR flatten-references-graph-0.1.0 ----------------------

Traceback (most recent call last):
  File "/nix/store/9wk7zpc8jz90hvsd1pvjwwrj2kbgfd1s-nix-update-1.16.0/bin/.nix-update-wrapped", line 9, in <module>
    sys.exit(main())
             ~~~~^^
  File "/nix/store/9wk7zpc8jz90hvsd1pvjwwrj2kbgfd1s-nix-update-1.16.0/lib/python3.13/site-packages/nix_update/__init__.py", line 482, in main
    package = update(options)
  File "/nix/store/9wk7zpc8jz90hvsd1pvjwwrj2kbgfd1s-nix-update-1.16.0/lib/python3.13/site-packages/nix_update/update.py", line 214, in update
    update_hash = update_version(
        opts,
    ...<3 lines>...
        opts.version_regex,
    )
  File "/nix/store/9wk7zpc8jz90hvsd1pvjwwrj2kbgfd1s-nix-update-1.16.0/lib/python3.13/site-packages/nix_update/update.py", line 118, in update_version
    new_version = fetch_new_version(opts, package, version, preference, version_regex)
  File "/nix/store/9wk7zpc8jz90hvsd1pvjwwrj2kbgfd1s-nix-update-1.16.0/lib/python3.13/site-packages/nix_update/update.py", line 78, in fetch_new_version
    raise UpdateError(msg)
nix_update.errors.UpdateError: Could not find a url in the derivations src attribute


--- SHOWING ERROR LOG FOR flatten-references-graph-0.1.0 ----------------------
The update script for flatten-references-graph-0.1.0 failed with exit code 1