[INFO] crate iot_hub 0.0.2 is already in cache
[INFO] extracting crate iot_hub 0.0.2 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/iot_hub/0.0.2
[INFO] extracting crate iot_hub 0.0.2 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/iot_hub/0.0.2
[INFO] validating manifest of iot_hub-0.0.2 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for iot_hub-0.0.2
[ERROR]