[INFO] cloning repository https://github.com/sawatani/substrate-tutorials [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sawatani/substrate-tutorials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsawatani%2Fsubstrate-tutorials", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsawatani%2Fsubstrate-tutorials'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ec5d28f44b0d7314db858b47e2ef6c087efb84d [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.