[INFO] cloning repository https://github.com/aopontann/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aopontann/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faopontann%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faopontann%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75f441730d27fdcea90babf9350bf8df7144137f
[INFO] checking aopontann/rust-study against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faopontann%2Frust-study" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aopontann/rust-study on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227


overridden task result to broken:cargo-toml

Caused by:
    missing Cargo.toml