[INFO] updating cached repository fluency-in/rust-circular-buffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fluency-in/rust-circular-buffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fluency-in/rust-circular-buffer" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/fluency-in/rust-circular-buffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/fluency-in/rust-circular-buffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fluency-in/rust-circular-buffer" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/fluency-in/rust-circular-buffer"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/fluency-in/rust-circular-buffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c7f607234c6c8b1f96c0e6e4c3544f6bfa11f2f
[INFO] sha for GitHub repo fluency-in/rust-circular-buffer: 9c7f607234c6c8b1f96c0e6e4c3544f6bfa11f2f
[INFO] validating manifest of fluency-in/rust-circular-buffer on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to build-fail:broken
[ERROR] caused by: invalid syntax in fluency-in/rust-circular-buffer's Cargo.toml
[ERROR] caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"` failed
[ERROR]