[INFO] cloning repository https://github.com/kshyshkin/LearnRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kshyshkin/LearnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkshyshkin%2FLearnRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkshyshkin%2FLearnRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6732cea284c5e0d25548b3cedec81330905f89f8
[INFO] testing kshyshkin/LearnRust against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkshyshkin%2FLearnRust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/.git/logs/refs/heads/main': No such file or directory


failed to checkout https://github.com/kshyshkin/LearnRust

Caused by:
    command failed: exit status: 128