Dec 01 08:03:10.544 INFO testing nakakura/tokio_udp_sendrecv_example against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 08:03:10.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 08:03:11.049 INFO [stdout] d0179dc0e13feb5f77c173cadeb7dbbfd272ec104b3b76748e0f22ea8509b159
Dec 01 08:03:11.051 INFO running `"docker" "start" "-a" "d0179dc0e13feb5f77c173cadeb7dbbfd272ec104b3b76748e0f22ea8509b159"`
Dec 01 08:03:11.813 INFO [stderr] usermod: no changes
Dec 01 08:03:11.939 INFO [stderr]    Compiling mio v0.6.14
Dec 01 08:03:11.943 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 01 08:03:11.947 INFO [stderr]    Compiling tokio-threadpool v0.1.3
Dec 01 08:03:15.879 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 01 08:03:16.161 INFO [stderr]    Compiling tokio-fs v0.1.0
Dec 01 08:03:18.603 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 01 08:03:18.603 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 01 08:03:19.775 INFO [stderr]    Compiling tokio v0.1.6
Dec 01 08:03:22.224 INFO [stderr]    Compiling udp_sendrecv_tokio v0.1.0 (/source)
Dec 01 08:03:23.087 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 08:03:23.087 INFO [stderr]  --> src/main.rs:1:1
Dec 01 08:03:23.087 INFO [stderr]   |
Dec 01 08:03:23.087 INFO [stderr] 1 | #![feature(drain_filter)]
Dec 01 08:03:23.087 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:03:23.087 INFO [stderr] 
Dec 01 08:03:23.087 INFO [stderr] error: aborting due to previous error
Dec 01 08:03:23.087 INFO [stderr] 
Dec 01 08:03:23.087 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 08:03:23.091 INFO [stderr] error: Could not compile `udp_sendrecv_tokio`.
Dec 01 08:03:23.091 INFO [stderr] 
Dec 01 08:03:23.091 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 08:03:23.095 INFO [stderr] su: No module specific data is present
Dec 01 08:03:24.203 INFO running `"docker" "inspect" "d0179dc0e13feb5f77c173cadeb7dbbfd272ec104b3b76748e0f22ea8509b159"`
Dec 01 08:03:24.531 INFO running `"docker" "rm" "-f" "d0179dc0e13feb5f77c173cadeb7dbbfd272ec104b3b76748e0f22ea8509b159"`
Dec 01 08:03:24.857 INFO [stdout] d0179dc0e13feb5f77c173cadeb7dbbfd272ec104b3b76748e0f22ea8509b159
