Dec 05 11:39:28.097 INFO checking irclap-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:39:28.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 11:39:28.385 INFO [stdout] 8a78191ecae5e01abd7a4f1858df4e142bf37effd745aea2d11a79a94ebd64b8
Dec 05 11:39:28.386 INFO running `"docker" "start" "-a" "8a78191ecae5e01abd7a4f1858df4e142bf37effd745aea2d11a79a94ebd64b8"`
Dec 05 11:39:28.945 INFO [stderr] usermod: no changes
Dec 05 11:39:29.175 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 05 11:39:30.185 INFO [stderr]     Checking irc v0.13.6
Dec 05 11:39:37.615 INFO [stderr]     Checking irclap v0.1.0 (/source)
Dec 05 11:39:48.335 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:39:48.335 INFO [stderr]   --> src/lib.rs:11:12
Dec 05 11:39:48.335 INFO [stderr]    |
Dec 05 11:39:48.335 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 05 11:39:48.335 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:39:48.335 INFO [stderr]    |
Dec 05 11:39:48.335 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 11:39:48.335 INFO [stderr] 
Dec 05 11:39:48.412 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:39:48.412 INFO [stderr]   --> src/lib.rs:11:12
Dec 05 11:39:48.412 INFO [stderr]    |
Dec 05 11:39:48.412 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 05 11:39:48.412 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:39:48.412 INFO [stderr]    |
Dec 05 11:39:48.413 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 11:39:48.413 INFO [stderr] 
Dec 05 11:39:55.827 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:39:55.827 INFO [stderr]   --> examples/echo.rs:26:5
Dec 05 11:39:55.827 INFO [stderr]    |
Dec 05 11:39:55.827 INFO [stderr] 26 |     responder.send_message(&message);
Dec 05 11:39:55.827 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:39:55.827 INFO [stderr]    |
Dec 05 11:39:55.827 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 11:39:55.827 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:39:55.827 INFO [stderr] 
Dec 05 11:39:55.875 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.91s
Dec 05 11:39:55.921 INFO [stderr] su: No module specific data is present
Dec 05 11:39:57.227 INFO running `"docker" "inspect" "8a78191ecae5e01abd7a4f1858df4e142bf37effd745aea2d11a79a94ebd64b8"`
Dec 05 11:39:57.572 INFO running `"docker" "rm" "-f" "8a78191ecae5e01abd7a4f1858df4e142bf37effd745aea2d11a79a94ebd64b8"`
Dec 05 11:39:57.885 INFO [stdout] 8a78191ecae5e01abd7a4f1858df4e142bf37effd745aea2d11a79a94ebd64b8