Dec 07 06:51:50.680 INFO testing mqttc-0.1.4 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 06:51:50.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 07 06:51:50.984 INFO [stdout] e6bcbad8e0ca551417dbaf90d8ac370c910d32d3b2e42153ac93b1d0552ab448
Dec 07 06:51:50.992 INFO running `"docker" "start" "-a" "e6bcbad8e0ca551417dbaf90d8ac370c910d32d3b2e42153ac93b1d0552ab448"`
Dec 07 06:51:52.140 INFO [stderr] usermod: no changes
Dec 07 06:51:52.304 INFO [stderr]    Compiling netopt v0.1.3
Dec 07 06:51:53.640 INFO [stderr]    Compiling mqttc v0.1.4 (/source)
Dec 07 06:51:56.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
Dec 07 06:51:56.270 INFO [stderr] su: No module specific data is present
Dec 07 06:51:57.092 INFO running `"docker" "inspect" "e6bcbad8e0ca551417dbaf90d8ac370c910d32d3b2e42153ac93b1d0552ab448"`
Dec 07 06:51:57.458 INFO running `"docker" "rm" "-f" "e6bcbad8e0ca551417dbaf90d8ac370c910d32d3b2e42153ac93b1d0552ab448"`
Dec 07 06:51:57.788 INFO [stdout] e6bcbad8e0ca551417dbaf90d8ac370c910d32d3b2e42153ac93b1d0552ab448
Dec 07 06:51:57.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 07 06:51:58.304 INFO [stdout] b5dc95ccb815b5746845e6bfd47970016cf08eff3089c740df31f739ea38ec58
Dec 07 06:51:58.311 INFO running `"docker" "start" "-a" "b5dc95ccb815b5746845e6bfd47970016cf08eff3089c740df31f739ea38ec58"`
Dec 07 06:51:59.548 INFO [stderr] usermod: no changes
Dec 07 06:51:59.708 INFO [stderr]    Compiling mqttc v0.1.4 (/source)
Dec 07 06:52:00.821 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 07 06:52:00.821 INFO [stderr]    --> src/client.rs:718:9
Dec 07 06:52:00.821 INFO [stderr]     |
Dec 07 06:52:00.821 INFO [stderr] 718 |     use std::io::Cursor;
Dec 07 06:52:00.821 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 07 06:52:00.821 INFO [stderr]     |
Dec 07 06:52:00.821 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 07 06:52:00.821 INFO [stderr] 
Dec 07 06:52:01.624 INFO [stderr] warning: unused variable: `client`
Dec 07 06:52:01.624 INFO [stderr]    --> src/client.rs:730:13
Dec 07 06:52:01.624 INFO [stderr]     |
Dec 07 06:52:01.624 INFO [stderr] 730 |         let client = options.connect("127.0.0.1:1883", netopt).unwrap();
Dec 07 06:52:01.624 INFO [stderr]     |             ^^^^^^ help: consider using `_client` instead
Dec 07 06:52:01.632 INFO [stderr]     |
Dec 07 06:52:01.632 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 06:52:01.632 INFO [stderr] 
Dec 07 06:52:02.088 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 06:52:02.088 INFO [stderr]  --> examples/pub.rs:3:1
Dec 07 06:52:02.088 INFO [stderr]   |
Dec 07 06:52:02.088 INFO [stderr] 3 | #[macro_use] extern crate log;
Dec 07 06:52:02.088 INFO [stderr]   | ^^^^^^^^^^^^
Dec 07 06:52:02.088 INFO [stderr]   |
Dec 07 06:52:02.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 06:52:02.088 INFO [stderr] 
Dec 07 06:52:02.088 INFO [stderr] warning: unused import: `Client`
Dec 07 06:52:02.088 INFO [stderr]   --> examples/pub.rs:10:21
Dec 07 06:52:02.088 INFO [stderr]    |
Dec 07 06:52:02.088 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Dec 07 06:52:02.088 INFO [stderr]    |                     ^^^^^^
Dec 07 06:52:02.088 INFO [stderr] 
Dec 07 06:52:02.096 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 06:52:02.096 INFO [stderr]  --> examples/sub.rs:3:1
Dec 07 06:52:02.096 INFO [stderr]   |
Dec 07 06:52:02.096 INFO [stderr] 3 | #[macro_use] extern crate log;
Dec 07 06:52:02.096 INFO [stderr]   | ^^^^^^^^^^^^
Dec 07 06:52:02.096 INFO [stderr]   |
Dec 07 06:52:02.096 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 06:52:02.096 INFO [stderr] 
Dec 07 06:52:02.096 INFO [stderr] warning: unused imports: `Client`, `PubOpt`
Dec 07 06:52:02.096 INFO [stderr]   --> examples/sub.rs:10:21
Dec 07 06:52:02.096 INFO [stderr]    |
Dec 07 06:52:02.096 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Dec 07 06:52:02.096 INFO [stderr]    |                     ^^^^^^                                  ^^^^^^
Dec 07 06:52:02.096 INFO [stderr] 
Dec 07 06:52:02.412 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:52:02.412 INFO [stderr]   --> examples/sub.rs:14:9
Dec 07 06:52:02.412 INFO [stderr]    |
Dec 07 06:52:02.412 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Dec 07 06:52:02.412 INFO [stderr]    |         ----^^^^
Dec 07 06:52:02.412 INFO [stderr]    |         |
Dec 07 06:52:02.412 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:52:02.412 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:52:02.412 INFO [stderr]   --> examples/pub.rs:14:9
Dec 07 06:52:02.412 INFO [stderr]    |
Dec 07 06:52:02.412 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Dec 07 06:52:02.412 INFO [stderr]    |         ----^^^^
Dec 07 06:52:02.412 INFO [stderr]    |         |
Dec 07 06:52:02.412 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:52:02.412 INFO [stderr]    |
Dec 07 06:52:02.412 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 06:52:02.412 INFO [stderr] 
Dec 07 06:52:02.448 INFO [stderr]    |
Dec 07 06:52:02.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 06:52:02.448 INFO [stderr] 
Dec 07 06:52:02.900 INFO [stderr] warning: unused import: `Client`
Dec 07 06:52:02.900 INFO [stderr]   --> examples/ping.rs:10:13
Dec 07 06:52:02.900 INFO [stderr]    |
Dec 07 06:52:02.900 INFO [stderr] 10 | use mqttc::{Client, ClientOptions, ReconnectMethod};
Dec 07 06:52:02.900 INFO [stderr]    |             ^^^^^^
Dec 07 06:52:02.900 INFO [stderr]    |
Dec 07 06:52:02.900 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 07 06:52:02.900 INFO [stderr] 
Dec 07 06:52:02.948 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:52:02.948 INFO [stderr]   --> examples/ping.rs:14:9
Dec 07 06:52:02.948 INFO [stderr]    |
Dec 07 06:52:02.948 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Dec 07 06:52:02.948 INFO [stderr]    |         ----^^^^
Dec 07 06:52:02.948 INFO [stderr]    |         |
Dec 07 06:52:02.948 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:52:02.948 INFO [stderr]    |
Dec 07 06:52:02.948 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 06:52:02.948 INFO [stderr] 
Dec 07 06:52:06.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
Dec 07 06:52:06.657 INFO [stderr] su: No module specific data is present
Dec 07 06:52:07.210 INFO running `"docker" "inspect" "b5dc95ccb815b5746845e6bfd47970016cf08eff3089c740df31f739ea38ec58"`
Dec 07 06:52:07.408 INFO running `"docker" "rm" "-f" "b5dc95ccb815b5746845e6bfd47970016cf08eff3089c740df31f739ea38ec58"`
Dec 07 06:52:07.664 INFO [stdout] b5dc95ccb815b5746845e6bfd47970016cf08eff3089c740df31f739ea38ec58
Dec 07 06:52:07.672 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 07 06:52:08.058 INFO [stdout] e7228d31b62a7bab08afabfd3f393c710b30e6ad41df1b24aca8d090d2230afd
Dec 07 06:52:08.060 INFO running `"docker" "start" "-a" "e7228d31b62a7bab08afabfd3f393c710b30e6ad41df1b24aca8d090d2230afd"`
Dec 07 06:52:09.747 INFO [stderr] usermod: no changes
Dec 07 06:52:09.878 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 07 06:52:09.891 INFO [stderr]      Running /target/debug/deps/mqttc-22de66ca56fa9688
Dec 07 06:52:09.898 INFO [stdout] 
Dec 07 06:52:09.898 INFO [stdout] running 2 tests
Dec 07 06:52:09.899 INFO [stdout] test test::pubopt_test ... ok
Dec 07 06:52:09.899 INFO [stdout] test client::test::client_connect_test ... ok
Dec 07 06:52:09.900 INFO [stdout] 
Dec 07 06:52:09.900 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 06:52:09.900 INFO [stdout] 
Dec 07 06:52:09.900 INFO [stderr]    Doc-tests mqttc
Dec 07 06:52:11.334 INFO [stdout] 
Dec 07 06:52:11.334 INFO [stdout] running 0 tests
Dec 07 06:52:11.340 INFO [stdout] 
Dec 07 06:52:11.340 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 06:52:11.340 INFO [stdout] 
Dec 07 06:52:11.348 INFO [stderr] su: No module specific data is present
Dec 07 06:52:12.312 INFO running `"docker" "inspect" "e7228d31b62a7bab08afabfd3f393c710b30e6ad41df1b24aca8d090d2230afd"`
Dec 07 06:52:12.666 INFO running `"docker" "rm" "-f" "e7228d31b62a7bab08afabfd3f393c710b30e6ad41df1b24aca8d090d2230afd"`
Dec 07 06:52:13.064 INFO [stdout] e7228d31b62a7bab08afabfd3f393c710b30e6ad41df1b24aca8d090d2230afd