Dec 18 08:13:13.760 INFO checking CactusDev/twitch-chat-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:13:13.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/CactusDev/twitch-chat-rs:/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 08:13:14.163 INFO [stdout] 2136315d598ba05b93c4922564bffdd0b7fca9fe26e85179aed79d992a0fd095
Dec 18 08:13:14.165 INFO running `"docker" "start" "-a" "2136315d598ba05b93c4922564bffdd0b7fca9fe26e85179aed79d992a0fd095"`
Dec 18 08:13:16.233 INFO [stderr]     Checking mio v0.6.15
Dec 18 08:13:16.233 INFO [stderr]     Checking want v0.0.4
Dec 18 08:13:16.236 INFO [stderr]     Checking tokio-io v0.1.8
Dec 18 08:13:16.236 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 18 08:13:16.236 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 08:13:18.973 INFO [stderr]     Checking mio-uds v0.6.6
Dec 18 08:13:18.973 INFO [stderr]     Checking mio-extras v2.0.5
Dec 18 08:13:18.975 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 18 08:13:18.975 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 18 08:13:18.975 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 18 08:13:20.752 INFO [stderr]     Checking ws v0.7.8
Dec 18 08:13:21.732 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 18 08:13:21.732 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 18 08:13:21.737 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 18 08:13:23.860 INFO [stderr]     Checking tokio v0.1.8
Dec 18 08:13:25.496 INFO [stderr]     Checking tokio-core v0.1.17
Dec 18 08:13:27.093 INFO [stderr]     Checking hyper v0.11.27
Dec 18 08:13:27.093 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 18 08:13:32.412 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 18 08:13:33.456 INFO [stderr]     Checking reqwest v0.8.8
Dec 18 08:13:35.637 INFO [stderr]     Checking twitch-chat-rs v0.1.0 (/opt/crater/workdir)
Dec 18 08:13:36.272 INFO [stderr] warning: field is never used: `handler`
Dec 18 08:13:36.272 INFO [stderr]   --> src/chat.rs:55:2
Dec 18 08:13:36.272 INFO [stderr]    |
Dec 18 08:13:36.272 INFO [stderr] 55 |     handler: Option<()>
Dec 18 08:13:36.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:13:36.272 INFO [stderr]    |
Dec 18 08:13:36.272 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:13:36.272 INFO [stderr] 
Dec 18 08:13:36.291 INFO [stderr] warning: field is never used: `handler`
Dec 18 08:13:36.292 INFO [stderr]   --> src/chat.rs:55:2
Dec 18 08:13:36.292 INFO [stderr]    |
Dec 18 08:13:36.292 INFO [stderr] 55 |     handler: Option<()>
Dec 18 08:13:36.292 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:13:36.293 INFO [stderr]    |
Dec 18 08:13:36.293 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:13:36.296 INFO [stderr] 
Dec 18 08:13:36.330 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.49s
Dec 18 08:13:36.766 INFO running `"docker" "inspect" "2136315d598ba05b93c4922564bffdd0b7fca9fe26e85179aed79d992a0fd095"`
Dec 18 08:13:37.092 INFO running `"docker" "rm" "-f" "2136315d598ba05b93c4922564bffdd0b7fca9fe26e85179aed79d992a0fd095"`
Dec 18 08:13:37.384 INFO [stdout] 2136315d598ba05b93c4922564bffdd0b7fca9fe26e85179aed79d992a0fd095