Dec 12 07:15:29.816 INFO checking solana-ws-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:15:29.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:15:30.390 INFO [stdout] 33c2b7591f2e1ca4633a150b61205033a1974309799b1b169821dfead4027329
Dec 12 07:15:30.392 INFO running `"docker" "start" "-a" "33c2b7591f2e1ca4633a150b61205033a1974309799b1b169821dfead4027329"`
Dec 12 07:15:32.460 INFO [stderr] usermod: no changes
Dec 12 07:15:32.716 INFO [stderr]     Checking solana-ws v0.2.0 (/source)
Dec 12 07:15:45.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:45.890 INFO [stderr]   --> examples/client.rs:10:5
Dec 12 07:15:45.890 INFO [stderr]    |
Dec 12 07:15:45.890 INFO [stderr] 10 |     env_logger::init();
Dec 12 07:15:45.890 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:45.890 INFO [stderr]    |
Dec 12 07:15:45.890 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:45.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:45.890 INFO [stderr] 
Dec 12 07:15:47.725 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:47.725 INFO [stderr]   --> examples/channel.rs:23:5
Dec 12 07:15:47.725 INFO [stderr]    |
Dec 12 07:15:47.725 INFO [stderr] 23 |     env_logger::init();
Dec 12 07:15:47.725 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:47.725 INFO [stderr]    |
Dec 12 07:15:47.725 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:47.725 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:47.725 INFO [stderr] 
Dec 12 07:15:48.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:48.152 INFO [stderr]   --> examples/peer2peer.rs:41:5
Dec 12 07:15:48.153 INFO [stderr]    |
Dec 12 07:15:48.153 INFO [stderr] 41 |     env_logger::init();
Dec 12 07:15:48.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:48.153 INFO [stderr]    |
Dec 12 07:15:48.153 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:48.154 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:48.154 INFO [stderr] 
Dec 12 07:15:48.181 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:48.181 INFO [stderr]   --> examples/threaded.rs:14:5
Dec 12 07:15:48.181 INFO [stderr]    |
Dec 12 07:15:48.181 INFO [stderr] 14 |     env_logger::init();
Dec 12 07:15:48.181 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:48.181 INFO [stderr]    |
Dec 12 07:15:48.181 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:48.181 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:48.181 INFO [stderr] 
Dec 12 07:15:49.468 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:49.468 INFO [stderr]   --> examples/server.rs:10:5
Dec 12 07:15:49.468 INFO [stderr]    |
Dec 12 07:15:49.468 INFO [stderr] 10 |     env_logger::init();
Dec 12 07:15:49.468 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:49.468 INFO [stderr]    |
Dec 12 07:15:49.468 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:49.468 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:49.468 INFO [stderr] 
Dec 12 07:15:54.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:54.296 INFO [stderr]    --> examples/router.rs:126:5
Dec 12 07:15:54.296 INFO [stderr]     |
Dec 12 07:15:54.296 INFO [stderr] 126 |     env_logger::init();
Dec 12 07:15:54.296 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:54.296 INFO [stderr]     |
Dec 12 07:15:54.296 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:54.296 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:54.297 INFO [stderr] 
Dec 12 07:15:55.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:55.556 INFO [stderr]   --> examples/shared.rs:11:5
Dec 12 07:15:55.557 INFO [stderr]    |
Dec 12 07:15:55.557 INFO [stderr] 11 |     env_logger::init();
Dec 12 07:15:55.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:55.557 INFO [stderr]    |
Dec 12 07:15:55.558 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:55.558 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:55.558 INFO [stderr] 
Dec 12 07:15:56.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:56.475 INFO [stderr]   --> examples/bench.rs:22:5
Dec 12 07:15:56.476 INFO [stderr]    |
Dec 12 07:15:56.476 INFO [stderr] 22 |     env_logger::init();
Dec 12 07:15:56.476 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:56.476 INFO [stderr]    |
Dec 12 07:15:56.476 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:56.476 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:56.476 INFO [stderr] 
Dec 12 07:15:56.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:56.488 INFO [stderr]   --> examples/autobahn-server.rs:11:5
Dec 12 07:15:56.488 INFO [stderr]    |
Dec 12 07:15:56.488 INFO [stderr] 11 |     env_logger::init();
Dec 12 07:15:56.489 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:56.489 INFO [stderr]    |
Dec 12 07:15:56.489 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:56.489 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:56.489 INFO [stderr] 
Dec 12 07:15:57.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:57.676 INFO [stderr]   --> examples/pong.rs:20:5
Dec 12 07:15:57.676 INFO [stderr]    |
Dec 12 07:15:57.676 INFO [stderr] 20 |     env_logger::init();
Dec 12 07:15:57.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:57.676 INFO [stderr]    |
Dec 12 07:15:57.676 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:57.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:57.676 INFO [stderr] 
Dec 12 07:15:58.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:15:58.668 INFO [stderr]   --> examples/cli.rs:20:5
Dec 12 07:15:58.668 INFO [stderr]    |
Dec 12 07:15:58.668 INFO [stderr] 20 |     env_logger::init();
Dec 12 07:15:58.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 07:15:58.668 INFO [stderr]    |
Dec 12 07:15:58.668 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 07:15:58.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:15:58.668 INFO [stderr] 
Dec 12 07:15:58.669 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.18s
Dec 12 07:15:58.680 INFO [stderr] su: No module specific data is present
Dec 12 07:15:59.167 INFO running `"docker" "inspect" "33c2b7591f2e1ca4633a150b61205033a1974309799b1b169821dfead4027329"`
Dec 12 07:15:59.564 INFO running `"docker" "rm" "-f" "33c2b7591f2e1ca4633a150b61205033a1974309799b1b169821dfead4027329"`
Dec 12 07:15:59.952 INFO [stdout] 33c2b7591f2e1ca4633a150b61205033a1974309799b1b169821dfead4027329