[INFO] cloning repository https://github.com/JiNanPiWang/CS110L
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JiNanPiWang/CS110L" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiNanPiWang%2FCS110L", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiNanPiWang%2FCS110L'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae950bc92b81d70c7a1e6098706cfcd4423c542d
[INFO] checking JiNanPiWang/CS110L against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiNanPiWang%2FCS110L" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JiNanPiWang/CS110L on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac


overridden task result to broken:cargo-toml

Caused by:
    missing Cargo.toml