[INFO] crate riker-cqrs 0.2.3 is already in cache
[INFO] testing riker-cqrs-0.2.3 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate riker-cqrs 0.2.3 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate riker-cqrs 0.2.3 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate riker-cqrs 0.2.3
[INFO] finished tweaking crates.io crate riker-cqrs 0.2.3
[INFO] tweaked toml for crates.io crate riker-cqrs 0.2.3 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e44b1963f3318d6282f8297f57ec284081e3b972b75ec26753c72f05d922c645
[INFO] running `"docker" "start" "-a" "e44b1963f3318d6282f8297f57ec284081e3b972b75ec26753c72f05d922c645"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling riker v0.2.4
[INFO] [stderr] error: incorrect use of `await`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/kernel/kernel.rs:257:29
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     let _ = await!(AssertUnwindSafe(f).catch_unwind());
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `AssertUnwindSafe(f).catch_unwind().await`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         await_macro,
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `.await` syntax
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |         await_macro,
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-0.2.4/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / #![feature(
[INFO] [stderr] 3 | |         async_await,
[INFO] [stderr] 4 | |         await_macro,
[INFO] [stderr] 5 | |         futures_api,
[INFO] [stderr] 6 | |         arbitrary_self_types
[INFO] [stderr] 7 | | )]
[INFO] [stderr]   | |__^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `riker`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e44b1963f3318d6282f8297f57ec284081e3b972b75ec26753c72f05d922c645"`
[INFO] running `"docker" "rm" "-f" "e44b1963f3318d6282f8297f57ec284081e3b972b75ec26753c72f05d922c645"`
[INFO] [stdout] e44b1963f3318d6282f8297f57ec284081e3b972b75ec26753c72f05d922c645