[INFO] updating cached repository https://github.com/servo/servo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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)     -> wr-dl
[INFO] [stderr]    2f0dbc57a6..91d2bd3d64  auto         -> auto
[INFO] [stderr]  * [new branch]            jdm-patch-53 -> jdm-patch-53
[INFO] [stderr]    a38f28f811..91d2bd3d64  master       -> master
[INFO] [stderr]  + 3658af1d6b...62ffe522c0 try          -> try  (forced update)
[INFO] [stderr]  + 58269e1fa9...094a6432cc try-windows  -> try-windows  (forced update)
[INFO] [stderr]  + def6295b97...17da0e45d6 try-wpt      -> try-wpt  (forced update)
[INFO] [stderr]  + 560aa42014...8a20090c6f try-wpt-mac  -> try-wpt-mac  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91d2bd3d6442a872ccb9e22264f02ef7a9f4f833
[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]