Dec 11 20:54:03.313 INFO checking chrisf1337/mqtt-broker against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:54:03.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 20:54:03.796 INFO [stdout] d34ef7b3e3992a5e640c4d71fed21354e19f597a0a4b6858b19320383fb4bd2b
Dec 11 20:54:03.798 INFO running `"docker" "start" "-a" "d34ef7b3e3992a5e640c4d71fed21354e19f597a0a4b6858b19320383fb4bd2b"`
Dec 11 20:54:06.228 INFO [stderr] usermod: no changes
Dec 11 20:54:06.400 INFO [stderr]    Compiling openssl-sys v0.7.17
Dec 11 20:54:06.405 INFO [stderr]     Checking uuid v0.5.1
Dec 11 20:54:07.403 INFO [stderr]     Checking libmqtt v0.1.0 (/source/libmqtt)
Dec 11 20:54:08.016 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Dec 11 20:54:08.016 INFO [stderr]    Compiling openssl v0.7.14
Dec 11 20:54:11.149 INFO [stderr]     Checking netopt v0.1.3
Dec 11 20:54:11.869 INFO [stderr]     Checking mqttc v0.1.4
Dec 11 20:54:12.855 INFO [stderr]     Checking mqtt-broker v0.1.0 (/source)
Dec 11 20:54:14.377 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Dec 11 20:54:14.377 INFO [stderr]  --> src/main.rs:1:12
Dec 11 20:54:14.377 INFO [stderr]   |
Dec 11 20:54:14.377 INFO [stderr] 1 | #![feature(use_nested_groups)]
Dec 11 20:54:14.377 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.377 INFO [stderr]   |
Dec 11 20:54:14.377 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 20:54:14.377 INFO [stderr] 
Dec 11 20:54:14.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.377 INFO [stderr]    --> src/main.rs:338:9
Dec 11 20:54:14.377 INFO [stderr]     |
Dec 11 20:54:14.377 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Dec 11 20:54:14.377 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.377 INFO [stderr]     |
Dec 11 20:54:14.377 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 20:54:14.377 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.377 INFO [stderr] 
Dec 11 20:54:14.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.377 INFO [stderr]    --> src/main.rs:339:9
Dec 11 20:54:14.377 INFO [stderr]     |
Dec 11 20:54:14.377 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Dec 11 20:54:14.377 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.377 INFO [stderr]     |
Dec 11 20:54:14.377 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.377 INFO [stderr] 
Dec 11 20:54:14.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.378 INFO [stderr]    --> src/main.rs:363:9
Dec 11 20:54:14.378 INFO [stderr]     |
Dec 11 20:54:14.378 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Dec 11 20:54:14.378 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.378 INFO [stderr]     |
Dec 11 20:54:14.378 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.378 INFO [stderr] 
Dec 11 20:54:14.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.378 INFO [stderr]    --> src/main.rs:378:5
Dec 11 20:54:14.378 INFO [stderr]     |
Dec 11 20:54:14.378 INFO [stderr] 378 |     t1.join();
Dec 11 20:54:14.378 INFO [stderr]     |     ^^^^^^^^^^
Dec 11 20:54:14.378 INFO [stderr]     |
Dec 11 20:54:14.378 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.378 INFO [stderr] 
Dec 11 20:54:14.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.379 INFO [stderr]    --> src/main.rs:379:5
Dec 11 20:54:14.379 INFO [stderr]     |
Dec 11 20:54:14.379 INFO [stderr] 379 |     t2.join();
Dec 11 20:54:14.379 INFO [stderr]     |     ^^^^^^^^^^
Dec 11 20:54:14.379 INFO [stderr]     |
Dec 11 20:54:14.380 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.380 INFO [stderr] 
Dec 11 20:54:14.552 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Dec 11 20:54:14.552 INFO [stderr]  --> src/main.rs:1:12
Dec 11 20:54:14.552 INFO [stderr]   |
Dec 11 20:54:14.552 INFO [stderr] 1 | #![feature(use_nested_groups)]
Dec 11 20:54:14.552 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.552 INFO [stderr]   |
Dec 11 20:54:14.552 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 20:54:14.552 INFO [stderr] 
Dec 11 20:54:14.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.552 INFO [stderr]    --> src/main.rs:338:9
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Dec 11 20:54:14.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 20:54:14.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.552 INFO [stderr] 
Dec 11 20:54:14.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.552 INFO [stderr]    --> src/main.rs:339:9
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Dec 11 20:54:14.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.552 INFO [stderr] 
Dec 11 20:54:14.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.552 INFO [stderr]    --> src/main.rs:363:9
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Dec 11 20:54:14.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.552 INFO [stderr] 
Dec 11 20:54:14.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.552 INFO [stderr]    --> src/main.rs:378:5
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr] 378 |     t1.join();
Dec 11 20:54:14.552 INFO [stderr]     |     ^^^^^^^^^^
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.552 INFO [stderr] 
Dec 11 20:54:14.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:54:14.552 INFO [stderr]    --> src/main.rs:379:5
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr] 379 |     t2.join();
Dec 11 20:54:14.552 INFO [stderr]     |     ^^^^^^^^^^
Dec 11 20:54:14.552 INFO [stderr]     |
Dec 11 20:54:14.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:54:14.552 INFO [stderr] 
Dec 11 20:54:14.592 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
Dec 11 20:54:14.596 INFO [stderr] su: No module specific data is present
Dec 11 20:54:15.564 INFO running `"docker" "inspect" "d34ef7b3e3992a5e640c4d71fed21354e19f597a0a4b6858b19320383fb4bd2b"`
Dec 11 20:54:15.890 INFO running `"docker" "rm" "-f" "d34ef7b3e3992a5e640c4d71fed21354e19f597a0a4b6858b19320383fb4bd2b"`
Dec 11 20:54:16.192 INFO [stdout] d34ef7b3e3992a5e640c4d71fed21354e19f597a0a4b6858b19320383fb4bd2b