[INFO] cloning repository https://github.com/konrad-grochowski/grpc-showcase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/konrad-grochowski/grpc-showcase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonrad-grochowski%2Fgrpc-showcase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonrad-grochowski%2Fgrpc-showcase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d72a088e700feaf80fe89bd6e46239a40e2ade72
[INFO] checking konrad-grochowski/grpc-showcase against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonrad-grochowski%2Fgrpc-showcase" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/main': unable to create directory for '/workspace/builds/worker-6-tc1/source/.git/logs/refs/heads/main': No such file or directory


failed to checkout https://github.com/konrad-grochowski/grpc-showcase

Caused by:
    command failed: exit status: 128