[INFO] cloning repository https://github.com/quake/ckb-light-node-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quake/ckb-light-node-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquake%2Fckb-light-node-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquake%2Fckb-light-node-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6210fe9145aed4b40e01112114ba1769b9191ebf [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.