[INFO] updating cached repository https://github.com/ferrous-systems/CO2-Device
[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/ferrous-systems/CO2-Device
[INFO] [stderr]    cb72405..fe7e810  blink-rgb-led       -> blink-rgb-led
[INFO] [stderr]  * [new branch]      implement-pwm       -> implement-pwm
[INFO] [stderr]    d36dc1e..21fd77b  master              -> master
[INFO] [stderr]    e2b058f..9b45ff4  update-dependencies -> update-dependencies
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21fd77bd587ca443d83a8b1e592404ce9bc607c0
[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.