[INFO] updating cached repository https://github.com/sacooper/CodeJam2014-AI [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f614d9523c7b13db7c876a8b2f0fc5e995e872e [ERROR] this task or one of its parent failed! [ERROR] command `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` failed [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.