[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)     -> box-construct
[INFO] [stderr]  + f0abb987bf...a1e3e3a766 auto         -> auto  (forced update)
[INFO] [stderr]  * [new branch]            jdm-patch-56 -> jdm-patch-56
[INFO] [stderr]  * [new branch]            jdm-patch-57 -> jdm-patch-57
[INFO] [stderr]  * [new branch]            macos-build  -> macos-build
[INFO] [stderr]    748fa72320..2be3c2a1af  master       -> master
[INFO] [stderr]  * [new branch]            rustup       -> rustup
[INFO] [stderr]  + fcdd91cf32...6369686d95 try          -> try  (forced update)
[INFO] [stderr]  + 0175b62273...11318451d3 try-linux    -> try-linux  (forced update)
[INFO] [stderr]  + 518b46d18d...c18f9543d6 try-wpt      -> try-wpt  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2be3c2a1afbb1424e5f22ce9657ade5b0b0762f5
[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]