[INFO] cloning repository https://github.com/seanchen1991/AvlTreeSet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanchen1991/AvlTreeSet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanchen1991%2FAvlTreeSet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanchen1991%2FAvlTreeSet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4cf7a8f1dfd355bc6ebeba06dca1c66e165e7b4a [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.