• NOTE: This is WSL (Windows Subsystem Linux) specific error.
• NOTE: I must apply the patch manually to Go source code and make precompile before creating GitHub release binaries.

Because of too many files?
I must run volt rm tyru/caw.vim twice to uninstall...

$ ~/volt/bin/volt rm tyru/caw.vim
[INFO] Removing /home/tyru/volt/repos/github.com/tyru/caw.vim ...
Failed to remove repository: remove /home/tyru/volt/repos/github.com/tyru/caw.vim/after/ftplugin: directory not empty

Link: https://github.com/tyru/caw.vim