[INFO] updating cached repository https://github.com/servo/servo
[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/servo
[INFO] [stderr]  - [deleted]               (none)     -> css2-wpt
[INFO] [stderr]  - [deleted]               (none)     -> jdm-patch-40
[INFO] [stderr]  - [deleted]               (none)     -> smup
[INFO] [stderr]  - [deleted]               (none)     -> synup
[INFO] [stderr]    d42835b238..55bfdc7a80  auto         -> auto
[INFO] [stderr]  * [new branch]            jdm-patch-41 -> jdm-patch-41
[INFO] [stderr]    d42835b238..63a5807540  master       -> master
[INFO] [stderr]  + c50cf367f2...d3b9744fda try          -> try  (forced update)
[INFO] [stderr]  + 80091159cc...ca32d605e3 try-windows  -> try-windows  (forced update)
[INFO] [stderr]  + deea463a76...b3d2d0d0e9 try-wpt      -> try-wpt  (forced update)
[INFO] [stderr]  + 03d8c216a1...0e990942bc try-wpt-2020 -> try-wpt-2020  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63a5807540892a3b0bf6ce5e27de23ca1a1b127b
[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.