Dec 18 14:53:18.432 INFO checking irclap-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:53:18.432 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/irclap/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:53:18.668 INFO [stdout] e2ee860a1ea2bf64bf8414686c2cdec86e380ee27aa09184933cc7717dc71ba2
Dec 18 14:53:18.687 INFO running `"docker" "start" "-a" "e2ee860a1ea2bf64bf8414686c2cdec86e380ee27aa09184933cc7717dc71ba2"`
Dec 18 14:53:19.688 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 18 14:53:19.696 INFO [stderr]     Checking tokio-tls v0.2.0
Dec 18 14:53:20.692 INFO [stderr]     Checking irc v0.13.6
Dec 18 14:53:24.607 INFO [stderr]     Checking irclap v0.1.0 (/opt/crater/workdir)
Dec 18 14:53:27.844 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:53:27.844 INFO [stderr]   --> src/lib.rs:11:12
Dec 18 14:53:27.844 INFO [stderr]    |
Dec 18 14:53:27.844 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 18 14:53:27.844 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:53:27.844 INFO [stderr]    |
Dec 18 14:53:27.844 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:53:27.844 INFO [stderr] 
Dec 18 14:53:28.048 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:53:28.048 INFO [stderr]   --> src/lib.rs:11:12
Dec 18 14:53:28.048 INFO [stderr]    |
Dec 18 14:53:28.048 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 18 14:53:28.048 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:53:28.048 INFO [stderr]    |
Dec 18 14:53:28.048 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:53:28.048 INFO [stderr] 
Dec 18 14:53:29.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:53:29.992 INFO [stderr]   --> examples/echo.rs:26:5
Dec 18 14:53:29.992 INFO [stderr]    |
Dec 18 14:53:29.992 INFO [stderr] 26 |     responder.send_message(&message);
Dec 18 14:53:29.992 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:53:29.992 INFO [stderr]    |
Dec 18 14:53:29.992 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 14:53:29.992 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:53:29.992 INFO [stderr] 
Dec 18 14:53:30.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.60s
Dec 18 14:53:30.657 INFO running `"docker" "inspect" "e2ee860a1ea2bf64bf8414686c2cdec86e380ee27aa09184933cc7717dc71ba2"`
Dec 18 14:53:30.950 INFO running `"docker" "rm" "-f" "e2ee860a1ea2bf64bf8414686c2cdec86e380ee27aa09184933cc7717dc71ba2"`
Dec 18 14:53:31.276 INFO [stdout] e2ee860a1ea2bf64bf8414686c2cdec86e380ee27aa09184933cc7717dc71ba2