[INFO] cloning repository https://github.com/test-starter-jalafel/rust-grader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/test-starter-jalafel/rust-grader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftest-starter-jalafel%2Frust-grader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftest-starter-jalafel%2Frust-grader'...
[INFO] [stderr] fatal: credential helper '/workspace/cargo-home/bin/git-credential-null' told us to quit


this task or one of its parent failed: overridden task result to broken:missing-git-repository

Caused by:
    can't fetch private git repositories