[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)     -> dependabot/cargo/cc-1.0.52
[INFO] [stderr]  + cb25f20d0f...535a00bc0d auto                   -> auto  (forced update)
[INFO] [stderr]  * [new branch]            canvas-background2     -> canvas-background2
[INFO] [stderr]  + 91caef887b...c6a4838b3e layout-2020-style-prep -> layout-2020-style-prep  (forced update)
[INFO] [stderr]    3bedd44026..5ee1a48d82  master                 -> master
[INFO] [stderr]  * [new branch]            reftest-report         -> reftest-report
[INFO] [stderr]  + 2a37f03449...80bffd0687 try-wpt                -> try-wpt  (forced update)
[INFO] [stderr]  + 272feb9d84...b73c92c272 try-wpt-2020           -> try-wpt-2020  (forced update)
[INFO] [stderr]  + 269e429148...473e36821d try-wpt-mac            -> try-wpt-mac  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ee1a48d82c2f55c6bea1962339bb1620d15dec2
[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.