[INFO] cloning repository https://github.com/AmlingPalantir/20190117-rustc-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmlingPalantir/20190117-rustc-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b05d6c17bb5354753961a49f9b7c2c5afb584a55
[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.