Dec 18 08:13:14.897 INFO checking CactusDev/twitch-chat-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:13:14.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:13:15.332 INFO [stdout] 7aff3428bd95a922495a485d8b842639c7e803230148c9bf1e34a840c2dc065b
Dec 18 08:13:15.338 INFO running `"docker" "start" "-a" "7aff3428bd95a922495a485d8b842639c7e803230148c9bf1e34a840c2dc065b"`
Dec 18 08:13:17.156 INFO [stderr]     Checking mio v0.6.15
Dec 18 08:13:17.156 INFO [stderr]     Checking want v0.0.4
Dec 18 08:13:17.180 INFO [stderr]     Checking tokio-io v0.1.8
Dec 18 08:13:17.180 INFO [stderr]     Checking serde_urlencoded v0.5.3
Dec 18 08:13:17.180 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 18 08:13:17.180 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 08:13:19.648 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 18 08:13:20.944 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 18 08:13:21.187 INFO [stderr]     Checking mio-uds v0.6.6
Dec 18 08:13:21.187 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 18 08:13:21.187 INFO [stderr]     Checking mio-extras v2.0.5
Dec 18 08:13:22.372 INFO [stderr]     Checking ws v0.7.8
Dec 18 08:13:23.277 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 18 08:13:23.277 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 18 08:13:23.277 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 18 08:13:25.516 INFO [stderr]     Checking tokio v0.1.8
Dec 18 08:13:26.789 INFO [stderr]     Checking tokio-core v0.1.17
Dec 18 08:13:28.437 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 18 08:13:28.437 INFO [stderr]     Checking hyper v0.11.27
Dec 18 08:13:33.846 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 18 08:13:34.972 INFO [stderr]     Checking reqwest v0.8.8
Dec 18 08:13:36.892 INFO [stderr]     Checking twitch-chat-rs v0.1.0 (/opt/crater/workdir)
Dec 18 08:13:37.684 INFO [stderr] warning: field is never used: `handler`
Dec 18 08:13:37.684 INFO [stderr]   --> src/chat.rs:55:2
Dec 18 08:13:37.684 INFO [stderr]    |
Dec 18 08:13:37.684 INFO [stderr] 55 |     handler: Option<()>
Dec 18 08:13:37.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:13:37.684 INFO [stderr]    |
Dec 18 08:13:37.684 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:13:37.684 INFO [stderr] 
Dec 18 08:13:37.725 INFO [stderr] warning: field is never used: `handler`
Dec 18 08:13:37.725 INFO [stderr]   --> src/chat.rs:55:2
Dec 18 08:13:37.725 INFO [stderr]    |
Dec 18 08:13:37.725 INFO [stderr] 55 |     handler: Option<()>
Dec 18 08:13:37.725 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:13:37.725 INFO [stderr]    |
Dec 18 08:13:37.725 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:13:37.725 INFO [stderr] 
Dec 18 08:13:37.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.05s
Dec 18 08:13:38.466 INFO running `"docker" "inspect" "7aff3428bd95a922495a485d8b842639c7e803230148c9bf1e34a840c2dc065b"`
Dec 18 08:13:38.794 INFO running `"docker" "rm" "-f" "7aff3428bd95a922495a485d8b842639c7e803230148c9bf1e34a840c2dc065b"`
Dec 18 08:13:39.144 INFO [stdout] 7aff3428bd95a922495a485d8b842639c7e803230148c9bf1e34a840c2dc065b