warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-191', using 'master'
warning: could not read HEAD ref from repo at '/var/lib/nixbot/worktrees/effect-191', using 'master'
building '/nix/store/hs29s5ks61414vd93g3ivbcb0ynz8rwh-effect-update-readme-env.drv'...
Cloning into 'repo'...
Switched to a new branch 'update/readme'
branch 'update/readme' set up to track 'origin/main'.
/build/.attr-buildCommand: ./scripts/generate-package-docs.py: /usr/bin/env: bad interpreter: No such file or directory
error: command failed with exit code 126