[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/combine-3.8.1
[INFO] [stderr]  - [deleted]               (none)     -> dependabot/cargo/dbus-0.6.5
[INFO] [stderr]  - [deleted]               (none)     -> dependabot/cargo/lyon_geom-0.14.1
[INFO] [stderr]  - [deleted]               (none)     -> dependabot/cargo/rustc-demangle-0.1.16
[INFO] [stderr]  - [deleted]               (none)     -> dependabot/cargo/serde-1.0.111
[INFO] [stderr]  + 6c6353fd45...6425c51bfd auto         -> auto  (forced update)
[INFO] [stderr]  * [new branch]            dependabot/cargo/gstreamer-base-sys-0.8.1 -> dependabot/cargo/gstreamer-base-sys-0.8.1
[INFO] [stderr]  * [new branch]            dependabot/cargo/tokio-current-thread-0.1.7 -> dependabot/cargo/tokio-current-thread-0.1.7
[INFO] [stderr]  * [new branch]            flexbox      -> flexbox
[INFO] [stderr]  + f9f87bf8a3...f915fab6df layout-2020-incremental-box-tree -> layout-2020-incremental-box-tree  (forced update)
[INFO] [stderr]    684a32879c..ff3d5c5125  master       -> master
[INFO] [stderr]  * [new branch]            shmem        -> shmem
[INFO] [stderr]  + 3bf3e59a2a...387495a517 try-linux    -> try-linux  (forced update)
[INFO] [stderr]  + 168241c561...4a17df686a try-mac      -> try-mac  (forced update)
[INFO] [stderr]  + ae94d7e6f5...0366acaaa0 try-wpt      -> try-wpt  (forced update)
[INFO] [stderr]  + a47ca5b5b5...c92251de49 try-wpt-2020 -> try-wpt-2020  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff3d5c5125d0bcd048d88e761e02e5ff5a4dc23c
[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.