Dec 01 20:16:36.292 INFO testing darkwater/um against 1.30.1 for beta-1.31-5
Dec 01 20:16:36.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 20:16:36.646 INFO [stdout] e61047f633db57dc47c13aef95d8b1f8b139827be5391e6851000a297423c7b1
Dec 01 20:16:36.649 INFO running `"docker" "start" "-a" "e61047f633db57dc47c13aef95d8b1f8b139827be5391e6851000a297423c7b1"`
Dec 01 20:16:37.631 INFO [stderr] usermod: no changes
Dec 01 20:16:37.771 INFO [stderr]    Compiling tokio-executor v0.1.1
Dec 01 20:16:37.771 INFO [stderr]    Compiling bytes v0.4.6
Dec 01 20:16:39.427 INFO [stderr]    Compiling tokio-threadpool v0.1.1
Dec 01 20:16:40.500 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 01 20:16:42.786 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 01 20:16:44.903 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 01 20:16:44.903 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 01 20:16:46.627 INFO [stderr]    Compiling tokio v0.1.4
Dec 01 20:16:48.597 INFO [stderr]    Compiling um v0.1.0 (/source)
Dec 01 20:16:50.011 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 20:16:50.011 INFO [stderr]  --> src/main.rs:1:1
Dec 01 20:16:50.011 INFO [stderr]   |
Dec 01 20:16:50.011 INFO [stderr] 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Dec 01 20:16:50.011 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 20:16:50.011 INFO [stderr] 
Dec 01 20:16:50.012 INFO [stderr] error: aborting due to previous error
Dec 01 20:16:50.012 INFO [stderr] 
Dec 01 20:16:50.012 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 20:16:50.020 INFO [stderr] error: Could not compile `um`.
Dec 01 20:16:50.020 INFO [stderr] 
Dec 01 20:16:50.020 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 20:16:50.022 INFO [stderr] su: No module specific data is present
Dec 01 20:16:50.554 INFO running `"docker" "inspect" "e61047f633db57dc47c13aef95d8b1f8b139827be5391e6851000a297423c7b1"`
Dec 01 20:16:50.752 INFO running `"docker" "rm" "-f" "e61047f633db57dc47c13aef95d8b1f8b139827be5391e6851000a297423c7b1"`
Dec 01 20:16:51.010 INFO [stdout] e61047f633db57dc47c13aef95d8b1f8b139827be5391e6851000a297423c7b1
