[INFO] updating cached repository https://github.com/servo/media
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/servo/media
[INFO] [stderr]  * [new branch]      jdm-patch-6 -> jdm-patch-6
[INFO] [stderr]    d7cce49..62cd58a  master      -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62cd58a94c54e8d9ff3845f263356e242e951686
[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.