[INFO] cloning repository polyfractal/quicksilver
[INFO] running `"git" "clone" "--bare" "git://github.com/polyfractal/quicksilver.git" "work/cache/sources/gh/polyfractal/quicksilver"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/polyfractal/quicksilver'...
[INFO] running `"git" "clone" "work/cache/sources/gh/polyfractal/quicksilver" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/polyfractal/quicksilver"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/polyfractal/quicksilver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/polyfractal/quicksilver" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/polyfractal/quicksilver"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/polyfractal/quicksilver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1120a58dd8d70d974c3d5ba9863649d9c5e1bdfd
[INFO] sha for GitHub repo polyfractal/quicksilver: 1120a58dd8d70d974c3d5ba9863649d9c5e1bdfd
[INFO] validating manifest of polyfractal/quicksilver on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-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 polyfractal/quicksilver's Cargo.toml
[ERROR] caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` failed
[ERROR]