[INFO] cloning repository steadylearner/Webassembly
[INFO] running `"git" "clone" "--bare" "git://github.com/steadylearner/Webassembly.git" "work/cache/sources/gh/steadylearner/Webassembly"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/steadylearner/Webassembly'...
[INFO] running `"git" "clone" "work/cache/sources/gh/steadylearner/Webassembly" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/steadylearner/Webassembly"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/steadylearner/Webassembly'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/steadylearner/Webassembly" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/steadylearner/Webassembly"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/steadylearner/Webassembly'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89443e90c6f9823a58fe5acc75df78bc42f9a8c5
[INFO] sha for GitHub repo steadylearner/Webassembly: 89443e90c6f9823a58fe5acc75df78bc42f9a8c5
[INFO] validating manifest of steadylearner/Webassembly on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for steadylearner/Webassembly
[ERROR]