Dec 18 14:53:18.388 INFO checking irclap-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:53:18.388 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:53:18.623 INFO [stdout] 580f0d391bfb87e2cc64eaa92d5f243df6da05e8ab072f114d71296f36006c29
Dec 18 14:53:18.625 INFO running `"docker" "start" "-a" "580f0d391bfb87e2cc64eaa92d5f243df6da05e8ab072f114d71296f36006c29"`
Dec 18 14:53:19.472 INFO [stderr]     Checking tokio-mockstream v1.1.0
Dec 18 14:53:19.965 INFO [stderr]     Checking irc v0.13.6
Dec 18 14:53:23.900 INFO [stderr]     Checking irclap v0.1.0 (/opt/crater/workdir)
Dec 18 14:53:27.832 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 14:53:27.832 INFO [stderr]   --> src/lib.rs:11:12
Dec 18 14:53:27.832 INFO [stderr]    |
Dec 18 14:53:27.832 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 18 14:53:27.832 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:53:27.832 INFO [stderr]    |
Dec 18 14:53:27.832 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:53:27.832 INFO [stderr] 
Dec 18 14:53:27.904 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 14:53:27.904 INFO [stderr]   --> src/lib.rs:11:12
Dec 18 14:53:27.904 INFO [stderr]    |
Dec 18 14:53:27.904 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 18 14:53:27.904 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:53:27.904 INFO [stderr]    |
Dec 18 14:53:27.904 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:53:27.904 INFO [stderr] 
Dec 18 14:53:30.063 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:53:30.064 INFO [stderr]   --> examples/echo.rs:26:5
Dec 18 14:53:30.064 INFO [stderr]    |
Dec 18 14:53:30.064 INFO [stderr] 26 |     responder.send_message(&message);
Dec 18 14:53:30.064 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:53:30.064 INFO [stderr]    |
Dec 18 14:53:30.064 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 14:53:30.064 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:53:30.064 INFO [stderr] 
Dec 18 14:53:30.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
Dec 18 14:53:30.655 INFO running `"docker" "inspect" "580f0d391bfb87e2cc64eaa92d5f243df6da05e8ab072f114d71296f36006c29"`
Dec 18 14:53:31.066 INFO running `"docker" "rm" "-f" "580f0d391bfb87e2cc64eaa92d5f243df6da05e8ab072f114d71296f36006c29"`
Dec 18 14:53:31.396 INFO [stdout] 580f0d391bfb87e2cc64eaa92d5f243df6da05e8ab072f114d71296f36006c29