[INFO] cloning repository tong92/sicp
[INFO] running `"git" "clone" "--bare" "git://github.com/tong92/sicp.git" "work/cache/sources/gh/tong92/sicp"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tong92/sicp'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tong92/sicp" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tong92/sicp"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tong92/sicp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tong92/sicp" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tong92/sicp"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tong92/sicp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af0ba0b5b10460184013b3b6a9917657998a10a7
[INFO] sha for GitHub repo tong92/sicp: af0ba0b5b10460184013b3b6a9917657998a10a7
[INFO] validating manifest of tong92/sicp on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to build-fail:broken
[ERROR] caused by: missing Cargo.toml for tong92/sicp
[ERROR]