[INFO] cloning repository https://github.com/chenguanyin/rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenguanyin/rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenguanyin%2Frust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenguanyin%2Frust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3206f24c09cc53762e6be08af6f75b1a66416ad
[INFO] checking chenguanyin/rust-example against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenguanyin%2Frust-example" "/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/chenguanyin/rust-example on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
