[INFO] updating cached repository https://github.com/mullvad/mullvadvpn-app
[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/mullvad/mullvadvpn-app
[INFO] [stderr]  - [deleted]           (none)     -> offline-update-3
[INFO] [stderr]  * [new branch]        VS2019               -> VS2019
[INFO] [stderr]    b8ca066c..11c70d8c  master               -> master
[INFO] [stderr]  * [new branch]        minor-changelog-fix  -> minor-changelog-fix
[INFO] [stderr]  * [new branch]        respect-rustflags    -> respect-rustflags
[INFO] [stderr]  + 7e0508b8...e6fad5de wg-ios-rebased       -> wg-ios-rebased  (forced update)
[INFO] [stderr]  * [new branch]        win-fix-boot-leaks   -> win-fix-boot-leaks
[INFO] [stderr]  * [new branch]        win-fix-boot-leaks-2 -> win-fix-boot-leaks-2
[INFO] [stderr]  * [new tag]           2019.10-beta1        -> 2019.10-beta1
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11c70d8c1cb3d8372f705c6e0db7ae96a59a2482
[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.