[INFO] updating cached repository https://github.com/rust-lang/rust-central-station
[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/rust-lang/rust-central-station
[INFO] [stderr]    ff9aea3..2256c01  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2256c017b46f38646140157c98cd1d0c73ce7754
[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]