Dec 18 11:01:54.961 INFO checking solana-ws-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:01:54.961 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/solana-ws/0.2.0:/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 11:01:55.329 INFO [stdout] c0a982d4c583a9a00665ba91a7c54470a46319dbb15e358405d9669df5395efc
Dec 18 11:01:55.334 INFO running `"docker" "start" "-a" "c0a982d4c583a9a00665ba91a7c54470a46319dbb15e358405d9669df5395efc"`
Dec 18 11:01:57.046 INFO [stderr]     Checking mio-extras v2.0.5
Dec 18 11:01:57.701 INFO [stderr]     Checking solana-ws v0.2.0 (/opt/crater/workdir)
Dec 18 11:02:05.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:05.472 INFO [stderr]   --> examples/autobahn-server.rs:11:5
Dec 18 11:02:05.472 INFO [stderr]    |
Dec 18 11:02:05.472 INFO [stderr] 11 |     env_logger::init();
Dec 18 11:02:05.472 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:05.472 INFO [stderr]    |
Dec 18 11:02:05.472 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:05.472 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:05.472 INFO [stderr] 
Dec 18 11:02:05.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:05.884 INFO [stderr]   --> examples/shared.rs:11:5
Dec 18 11:02:05.884 INFO [stderr]    |
Dec 18 11:02:05.884 INFO [stderr] 11 |     env_logger::init();
Dec 18 11:02:05.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:05.892 INFO [stderr]    |
Dec 18 11:02:05.892 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:05.892 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:05.892 INFO [stderr] 
Dec 18 11:02:06.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:06.236 INFO [stderr]   --> examples/peer2peer.rs:41:5
Dec 18 11:02:06.236 INFO [stderr]    |
Dec 18 11:02:06.236 INFO [stderr] 41 |     env_logger::init();
Dec 18 11:02:06.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:06.236 INFO [stderr]    |
Dec 18 11:02:06.236 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:06.236 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:06.236 INFO [stderr] 
Dec 18 11:02:06.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:06.304 INFO [stderr]    --> examples/router.rs:126:5
Dec 18 11:02:06.304 INFO [stderr]     |
Dec 18 11:02:06.304 INFO [stderr] 126 |     env_logger::init();
Dec 18 11:02:06.304 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:06.304 INFO [stderr]     |
Dec 18 11:02:06.304 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:06.304 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:06.304 INFO [stderr] 
Dec 18 11:02:06.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:06.360 INFO [stderr]   --> examples/cli.rs:20:5
Dec 18 11:02:06.360 INFO [stderr]    |
Dec 18 11:02:06.360 INFO [stderr] 20 |     env_logger::init();
Dec 18 11:02:06.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:06.360 INFO [stderr]    |
Dec 18 11:02:06.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:06.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:06.360 INFO [stderr] 
Dec 18 11:02:06.600 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:06.600 INFO [stderr]   --> examples/channel.rs:23:5
Dec 18 11:02:06.600 INFO [stderr]    |
Dec 18 11:02:06.600 INFO [stderr] 23 |     env_logger::init();
Dec 18 11:02:06.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:06.600 INFO [stderr]    |
Dec 18 11:02:06.600 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:06.600 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:06.600 INFO [stderr] 
Dec 18 11:02:09.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:09.008 INFO [stderr]   --> examples/server.rs:10:5
Dec 18 11:02:09.008 INFO [stderr]    |
Dec 18 11:02:09.008 INFO [stderr] 10 |     env_logger::init();
Dec 18 11:02:09.008 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:09.008 INFO [stderr]    |
Dec 18 11:02:09.008 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:09.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:09.008 INFO [stderr] 
Dec 18 11:02:09.844 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:09.844 INFO [stderr]   --> examples/threaded.rs:14:5
Dec 18 11:02:09.844 INFO [stderr]    |
Dec 18 11:02:09.844 INFO [stderr] 14 |     env_logger::init();
Dec 18 11:02:09.844 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:09.844 INFO [stderr]    |
Dec 18 11:02:09.844 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:09.844 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:09.844 INFO [stderr] 
Dec 18 11:02:10.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:10.556 INFO [stderr]   --> examples/pong.rs:20:5
Dec 18 11:02:10.556 INFO [stderr]    |
Dec 18 11:02:10.556 INFO [stderr] 20 |     env_logger::init();
Dec 18 11:02:10.556 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:10.556 INFO [stderr]    |
Dec 18 11:02:10.556 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:10.556 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:10.556 INFO [stderr] 
Dec 18 11:02:11.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:11.316 INFO [stderr]   --> examples/bench.rs:22:5
Dec 18 11:02:11.316 INFO [stderr]    |
Dec 18 11:02:11.316 INFO [stderr] 22 |     env_logger::init();
Dec 18 11:02:11.316 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:11.316 INFO [stderr]    |
Dec 18 11:02:11.316 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:11.316 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:11.316 INFO [stderr] 
Dec 18 11:02:11.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:11.549 INFO [stderr]   --> examples/client.rs:10:5
Dec 18 11:02:11.549 INFO [stderr]    |
Dec 18 11:02:11.549 INFO [stderr] 10 |     env_logger::init();
Dec 18 11:02:11.549 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:11.549 INFO [stderr]    |
Dec 18 11:02:11.549 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:11.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:11.549 INFO [stderr] 
Dec 18 11:02:11.603 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.80s
Dec 18 11:02:12.279 INFO running `"docker" "inspect" "c0a982d4c583a9a00665ba91a7c54470a46319dbb15e358405d9669df5395efc"`
Dec 18 11:02:12.523 INFO running `"docker" "rm" "-f" "c0a982d4c583a9a00665ba91a7c54470a46319dbb15e358405d9669df5395efc"`
Dec 18 11:02:12.799 INFO [stdout] c0a982d4c583a9a00665ba91a7c54470a46319dbb15e358405d9669df5395efc