[INFO] updating cached repository padenot/mlr-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/padenot/mlr-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/padenot/mlr-rs" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/padenot/mlr-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/padenot/mlr-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/padenot/mlr-rs" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/padenot/mlr-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/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#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[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]