Dec 12 12:44:35.138 INFO checking irclap-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:44:35.138 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 12:44:35.308 INFO [stdout] 5d5b102f67fceb158546f3eef12bd602fdf2241e16fe8500b717aa57ab57bbea
Dec 12 12:44:35.311 INFO running `"docker" "start" "-a" "5d5b102f67fceb158546f3eef12bd602fdf2241e16fe8500b717aa57ab57bbea"`
Dec 12 12:44:35.876 INFO [stderr] usermod: no changes
Dec 12 12:44:36.122 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 12 12:44:36.129 INFO [stderr]     Checking tokio-tls v0.2.0
Dec 12 12:44:38.292 INFO [stderr]     Checking irc v0.13.6
Dec 12 12:44:45.380 INFO [stderr]     Checking irclap v0.1.0 (/source)
Dec 12 12:44:54.380 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 12 12:44:54.380 INFO [stderr]   --> src/lib.rs:11:12
Dec 12 12:44:54.380 INFO [stderr]    |
Dec 12 12:44:54.380 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 12 12:44:54.380 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:44:54.380 INFO [stderr]    |
Dec 12 12:44:54.381 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 12:44:54.381 INFO [stderr] 
Dec 12 12:44:55.644 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 12 12:44:55.644 INFO [stderr]   --> src/lib.rs:11:12
Dec 12 12:44:55.644 INFO [stderr]    |
Dec 12 12:44:55.644 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 12 12:44:55.644 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:44:55.644 INFO [stderr]    |
Dec 12 12:44:55.644 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 12:44:55.644 INFO [stderr] 
Dec 12 12:45:02.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 12:45:02.376 INFO [stderr]   --> examples/echo.rs:26:5
Dec 12 12:45:02.376 INFO [stderr]    |
Dec 12 12:45:02.376 INFO [stderr] 26 |     responder.send_message(&message);
Dec 12 12:45:02.376 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:45:02.376 INFO [stderr]    |
Dec 12 12:45:02.376 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 12:45:02.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 12:45:02.376 INFO [stderr] 
Dec 12 12:45:02.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.51s
Dec 12 12:45:02.432 INFO [stderr] su: No module specific data is present
Dec 12 12:45:03.360 INFO running `"docker" "inspect" "5d5b102f67fceb158546f3eef12bd602fdf2241e16fe8500b717aa57ab57bbea"`
Dec 12 12:45:03.746 INFO running `"docker" "rm" "-f" "5d5b102f67fceb158546f3eef12bd602fdf2241e16fe8500b717aa57ab57bbea"`
Dec 12 12:45:04.147 INFO [stdout] 5d5b102f67fceb158546f3eef12bd602fdf2241e16fe8500b717aa57ab57bbea