[INFO] crate matchdb 0.0.1 is already in cache
[INFO] extracting crate matchdb 0.0.1 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/matchdb/0.0.1
[INFO] extracting crate matchdb 0.0.1 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/matchdb/0.0.1
[INFO] validating manifest of matchdb-0.0.1 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for matchdb-0.0.1
[ERROR]