[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)     -> jdm-patch-36
[INFO] [stderr]  - [deleted]               (none)     -> jdm-patch-40
[INFO] [stderr]  - [deleted]               (none)     -> webidl
[INFO] [stderr]  + 10dd0ce083...f39fac3aae auto            -> auto  (forced update)
[INFO] [stderr]  * [new branch]            jdm-patch-43    -> jdm-patch-43
[INFO] [stderr]    e8e0b70266..7ef4c65ac3  master          -> master
[INFO] [stderr]  * [new branch]            regressions     -> regressions
[INFO] [stderr]  + d3b9744fda...241c8b0632 try             -> try  (forced update)
[INFO] [stderr]  + 8bf51574ec...71fafb5684 try-linux       -> try-linux  (forced update)
[INFO] [stderr]  + 43977cd02f...d0c7c9930e try-taskcluster -> try-taskcluster  (forced update)
[INFO] [stderr]  + 813ebe078f...ac2b00f24e try-windows     -> try-windows  (forced update)
[INFO] [stderr]  + b3d2d0d0e9...554f14ccd7 try-wpt         -> try-wpt  (forced update)
[INFO] [stderr]  + 6c042958b2...1840718e5a try-wpt-2020    -> try-wpt-2020  (forced update)
[INFO] [stderr]  + 90148a54f6...5cad9f2dd8 try-wpt-mac     -> try-wpt-mac  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ef4c65ac32071612ba2981d6fb5a6b2431c205d
[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.