[INFO] crate mongo 0.0.1 is already in cache
[INFO] extracting crate mongo 0.0.1 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/mongo/0.0.1
[INFO] extracting crate mongo 0.0.1 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/mongo/0.0.1
[INFO] validating manifest of mongo-0.0.1 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for mongo-0.0.1
[ERROR]