[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]    e69de9bc9c..06803a2edb  auto            -> auto
[INFO] [stderr]    e69de9bc9c..06803a2edb  master          -> master
[INFO] [stderr]  + 2c0581d02c...b7442d7949 try             -> try  (forced update)
[INFO] [stderr]  + d0c7c9930e...cf50ff39e4 try-taskcluster -> try-taskcluster  (forced update)
[INFO] [stderr]  + 56a37f057d...aba4ccedf3 try-windows     -> try-windows  (forced update)
[INFO] [stderr]  * [new branch]            try-windows-rdp -> try-windows-rdp
[INFO] [stderr]  + 37f3bae1e2...d3f04afc47 try-wpt         -> try-wpt  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06803a2edb992cddd90b1ec71ec60af9c36de7ea
[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.