[INFO] cloning repository https://github.com/awslabs/tough
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awslabs/tough" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawslabs%2Ftough"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawslabs%2Ftough'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] abb33f5b1c9d3ec358c09bf604ed8f64394c3e79
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: invalid Cargo.toml syntax
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.