[INFO] updating cached repository https://github.com/servo/servo
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/servo/servo
[INFO] [stderr]  - [deleted]               (none)     -> list
[INFO] [stderr]  + b58c9b5a6c...8bf3440380 auto         -> auto  (forced update)
[INFO] [stderr]    453aafeea6..8bf3440380  master       -> master
[INFO] [stderr]  + a9cb7377d9...d4c70e2e0a try          -> try  (forced update)
[INFO] [stderr]  + c727a4ed61...1e7bf6c2a5 try-linux    -> try-linux  (forced update)
[INFO] [stderr]  + 37d4ecd74f...b4c5a31580 try-mac      -> try-mac  (forced update)
[INFO] [stderr]  + 26f8c45d43...a4058d42f8 try-windows  -> try-windows  (forced update)
[INFO] [stderr]  + 61e4af838a...7fd6f5704c try-wpt      -> try-wpt  (forced update)
[INFO] [stderr]  + 792a520bbe...9b75aa747b try-wpt-2020 -> try-wpt-2020  (forced update)
[INFO] [stderr]  + 1cb8ede431...eb663ff19f try-wpt-mac  -> try-wpt-mac  (forced update)
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bf3440380162832d5989ef8010e6483e1c0778d
[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.