These three rust crates have changed from a combo "MIT or ASL 2.0"
license to just MIT.
rust-tokio-executor-0.1.1-1.fc29
rust-tokio-reactor-0.1.1-1.fc29
rust-tokio-threadpool-0.1.1-1.fc29
The same change will be coming to rust-tokio-0.1.4 in this update:
https://bugzilla.redhat.com/show_bug.cgi?id=1560061