[INFO] cloning repository https://github.com/rock117/substrate-course-exercise5 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rock117/substrate-course-exercise5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frock117%2Fsubstrate-course-exercise5", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frock117%2Fsubstrate-course-exercise5'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2be11312923841336d96ec65a8574e5a2cb01769 [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 101 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.