[INFO] cloning repository zcash/librustzcash
[INFO] running `"git" "clone" "--bare" "git://github.com/zcash/librustzcash.git" "work/cache/sources/gh/zcash/librustzcash"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zcash/librustzcash'...
[INFO] running `"git" "clone" "work/cache/sources/gh/zcash/librustzcash" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zcash/librustzcash"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zcash/librustzcash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zcash/librustzcash" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zcash/librustzcash"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zcash/librustzcash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b6f5e3d5ede6469f6ae85357f0b03d4c1b45cfe
[INFO] sha for GitHub repo zcash/librustzcash: 3b6f5e3d5ede6469f6ae85357f0b03d4c1b45cfe
[INFO] validating manifest of zcash/librustzcash on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: invalid syntax in zcash/librustzcash's Cargo.toml
[ERROR] caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` failed
[ERROR]