Dec 18 13:03:03.304 INFO checking phoenix-channels-0.1.3 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:03:03.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/phoenix-channels/0.1.3:/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 13:03:03.720 INFO [stdout] ced9f858caa34ec80e99719318167a5fcdcaf34430126fddef7d14e23cb5aa9b
Dec 18 13:03:03.726 INFO running `"docker" "start" "-a" "ced9f858caa34ec80e99719318167a5fcdcaf34430126fddef7d14e23cb5aa9b"`
Dec 18 13:03:05.456 INFO [stderr]     Checking crossbeam v0.6.0
Dec 18 13:03:05.464 INFO [stderr]     Checking websocket v0.20.4
Dec 18 13:03:06.945 INFO [stderr]     Checking slog-scope v4.1.0
Dec 18 13:03:07.708 INFO [stderr]     Checking slog-stdlog v3.0.2
Dec 18 13:03:09.583 INFO [stderr]     Checking phoenix-channels v0.1.3 (/opt/crater/workdir)
Dec 18 13:03:11.860 INFO [stderr] warning: field is never used: `logger`
Dec 18 13:03:11.860 INFO [stderr]   --> src/client.rs:71:5
Dec 18 13:03:11.860 INFO [stderr]    |
Dec 18 13:03:11.860 INFO [stderr] 71 |     logger: slog::Logger,
Dec 18 13:03:11.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:03:11.860 INFO [stderr]    |
Dec 18 13:03:11.860 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:03:11.860 INFO [stderr] 
Dec 18 13:03:11.860 INFO [stderr] warning: field is never used: `logger`
Dec 18 13:03:11.860 INFO [stderr]   --> src/receiver.rs:11:5
Dec 18 13:03:11.860 INFO [stderr]    |
Dec 18 13:03:11.860 INFO [stderr] 11 |     logger: slog::Logger,
Dec 18 13:03:11.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:03:11.860 INFO [stderr] 
Dec 18 13:03:11.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:03:11.860 INFO [stderr]    --> src/client.rs:106:17
Dec 18 13:03:11.860 INFO [stderr]     |
Dec 18 13:03:11.860 INFO [stderr] 106 |                 sender.heartbeat();
Dec 18 13:03:11.860 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
Dec 18 13:03:11.860 INFO [stderr]     |
Dec 18 13:03:11.860 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 13:03:11.860 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:03:11.860 INFO [stderr] 
Dec 18 13:03:11.884 INFO [stderr] warning: field is never used: `logger`
Dec 18 13:03:11.884 INFO [stderr]   --> src/client.rs:71:5
Dec 18 13:03:11.884 INFO [stderr]    |
Dec 18 13:03:11.884 INFO [stderr] 71 |     logger: slog::Logger,
Dec 18 13:03:11.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:03:11.884 INFO [stderr]    |
Dec 18 13:03:11.884 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:03:11.884 INFO [stderr] 
Dec 18 13:03:11.884 INFO [stderr] warning: field is never used: `logger`
Dec 18 13:03:11.884 INFO [stderr]   --> src/receiver.rs:11:5
Dec 18 13:03:11.884 INFO [stderr]    |
Dec 18 13:03:11.884 INFO [stderr] 11 |     logger: slog::Logger,
Dec 18 13:03:11.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:03:11.884 INFO [stderr] 
Dec 18 13:03:11.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:03:11.884 INFO [stderr]    --> src/client.rs:106:17
Dec 18 13:03:11.884 INFO [stderr]     |
Dec 18 13:03:11.884 INFO [stderr] 106 |                 sender.heartbeat();
Dec 18 13:03:11.884 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
Dec 18 13:03:11.884 INFO [stderr]     |
Dec 18 13:03:11.884 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 13:03:11.884 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:03:11.884 INFO [stderr] 
Dec 18 13:03:11.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
Dec 18 13:03:12.516 INFO running `"docker" "inspect" "ced9f858caa34ec80e99719318167a5fcdcaf34430126fddef7d14e23cb5aa9b"`
Dec 18 13:03:12.929 INFO running `"docker" "rm" "-f" "ced9f858caa34ec80e99719318167a5fcdcaf34430126fddef7d14e23cb5aa9b"`
Dec 18 13:03:13.320 INFO [stdout] ced9f858caa34ec80e99719318167a5fcdcaf34430126fddef7d14e23cb5aa9b