Dec 18 11:01:54.801 INFO checking solana-ws-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:01:54.801 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/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:01:55.265 INFO [stdout] 25faf2370a2890578f3348064bd14067d744ac053230bf0d0ed42fff5ae5784b
Dec 18 11:01:55.268 INFO running `"docker" "start" "-a" "25faf2370a2890578f3348064bd14067d744ac053230bf0d0ed42fff5ae5784b"`
Dec 18 11:01:56.779 INFO [stderr]     Checking solana-ws v0.2.0 (/opt/crater/workdir)
Dec 18 11:02:03.400 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:03.400 INFO [stderr]   --> examples/server.rs:10:5
Dec 18 11:02:03.401 INFO [stderr]    |
Dec 18 11:02:03.401 INFO [stderr] 10 |     env_logger::init();
Dec 18 11:02:03.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:03.401 INFO [stderr]    |
Dec 18 11:02:03.401 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:03.401 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:03.401 INFO [stderr] 
Dec 18 11:02:04.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:04.365 INFO [stderr]   --> examples/client.rs:10:5
Dec 18 11:02:04.365 INFO [stderr]    |
Dec 18 11:02:04.365 INFO [stderr] 10 |     env_logger::init();
Dec 18 11:02:04.365 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:04.366 INFO [stderr]    |
Dec 18 11:02:04.366 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:04.366 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:04.367 INFO [stderr] 
Dec 18 11:02:04.532 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:04.533 INFO [stderr]   --> examples/shared.rs:11:5
Dec 18 11:02:04.533 INFO [stderr]    |
Dec 18 11:02:04.533 INFO [stderr] 11 |     env_logger::init();
Dec 18 11:02:04.534 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:04.564 INFO [stderr]    |
Dec 18 11:02:04.564 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:04.564 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:04.564 INFO [stderr] 
Dec 18 11:02:05.336 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:05.337 INFO [stderr]   --> examples/peer2peer.rs:41:5
Dec 18 11:02:05.337 INFO [stderr]    |
Dec 18 11:02:05.337 INFO [stderr] 41 |     env_logger::init();
Dec 18 11:02:05.337 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:05.338 INFO [stderr]    |
Dec 18 11:02:05.338 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:05.338 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:05.338 INFO [stderr] 
Dec 18 11:02:05.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:05.788 INFO [stderr]   --> examples/channel.rs:23:5
Dec 18 11:02:05.788 INFO [stderr]    |
Dec 18 11:02:05.788 INFO [stderr] 23 |     env_logger::init();
Dec 18 11:02:05.789 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:05.789 INFO [stderr]    |
Dec 18 11:02:05.789 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:05.789 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:05.789 INFO [stderr] 
Dec 18 11:02:07.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:07.944 INFO [stderr]   --> examples/bench.rs:22:5
Dec 18 11:02:07.944 INFO [stderr]    |
Dec 18 11:02:07.944 INFO [stderr] 22 |     env_logger::init();
Dec 18 11:02:07.944 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:07.944 INFO [stderr]    |
Dec 18 11:02:07.944 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:07.944 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:07.944 INFO [stderr] 
Dec 18 11:02:08.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:08.396 INFO [stderr]   --> examples/threaded.rs:14:5
Dec 18 11:02:08.396 INFO [stderr]    |
Dec 18 11:02:08.396 INFO [stderr] 14 |     env_logger::init();
Dec 18 11:02:08.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:08.396 INFO [stderr]    |
Dec 18 11:02:08.396 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:08.396 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:08.396 INFO [stderr] 
Dec 18 11:02:08.681 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:08.681 INFO [stderr]   --> examples/pong.rs:20:5
Dec 18 11:02:08.681 INFO [stderr]    |
Dec 18 11:02:08.681 INFO [stderr] 20 |     env_logger::init();
Dec 18 11:02:08.681 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:08.681 INFO [stderr]    |
Dec 18 11:02:08.681 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:08.682 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:08.682 INFO [stderr] 
Dec 18 11:02:08.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:08.887 INFO [stderr]   --> examples/autobahn-server.rs:11:5
Dec 18 11:02:08.888 INFO [stderr]    |
Dec 18 11:02:08.888 INFO [stderr] 11 |     env_logger::init();
Dec 18 11:02:08.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:08.888 INFO [stderr]    |
Dec 18 11:02:08.888 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:08.888 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:08.888 INFO [stderr] 
Dec 18 11:02:09.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:09.471 INFO [stderr]   --> examples/cli.rs:20:5
Dec 18 11:02:09.471 INFO [stderr]    |
Dec 18 11:02:09.471 INFO [stderr] 20 |     env_logger::init();
Dec 18 11:02:09.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:09.471 INFO [stderr]    |
Dec 18 11:02:09.471 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:09.471 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:09.471 INFO [stderr] 
Dec 18 11:02:09.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:02:09.791 INFO [stderr]    --> examples/router.rs:126:5
Dec 18 11:02:09.791 INFO [stderr]     |
Dec 18 11:02:09.791 INFO [stderr] 126 |     env_logger::init();
Dec 18 11:02:09.791 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 18 11:02:09.791 INFO [stderr]     |
Dec 18 11:02:09.791 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 11:02:09.791 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:02:09.791 INFO [stderr] 
Dec 18 11:02:11.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.57s
Dec 18 11:02:11.952 INFO running `"docker" "inspect" "25faf2370a2890578f3348064bd14067d744ac053230bf0d0ed42fff5ae5784b"`
Dec 18 11:02:12.196 INFO running `"docker" "rm" "-f" "25faf2370a2890578f3348064bd14067d744ac053230bf0d0ed42fff5ae5784b"`
Dec 18 11:02:12.524 INFO [stdout] 25faf2370a2890578f3348064bd14067d744ac053230bf0d0ed42fff5ae5784b