[INFO] cloning repository padenot/mlr-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/padenot/mlr-rs.git" "work/cache/sources/gh/padenot/mlr-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/padenot/mlr-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/padenot/mlr-rs" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/padenot/mlr-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/padenot/mlr-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/padenot/mlr-rs" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/padenot/mlr-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/padenot/mlr-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91f8f31ef7a4cc9e7e956512415458b466a69366
[INFO] sha for GitHub repo padenot/mlr-rs: 91f8f31ef7a4cc9e7e956512415458b466a69366
[INFO] validating manifest of padenot/mlr-rs 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 padenot/mlr-rs
[ERROR]