Nov 28 21:51:30.596 INFO checking mqttc-0.1.4 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 21:51:30.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 21:51:30.776 INFO [stdout] 59bac28df31285113c2617b9a47190556fdc53b0a452bd9a56f28aaad6aba9f1
Nov 28 21:51:30.782 INFO running `"docker" "start" "-a" "59bac28df31285113c2617b9a47190556fdc53b0a452bd9a56f28aaad6aba9f1"`
Nov 28 21:51:31.300 INFO [stderr] usermod: no changes
Nov 28 21:51:31.392 INFO [stderr]    Compiling openssl-sys v0.7.17
Nov 28 21:51:31.392 INFO [stderr]    Compiling openssl v0.7.14
Nov 28 21:51:32.665 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Nov 28 21:51:36.210 INFO [stderr]     Checking netopt v0.1.3
Nov 28 21:51:37.328 INFO [stderr]     Checking mqttc v0.1.4 (/source)
Nov 28 21:51:39.648 INFO [stderr] warning: unused import: `std::io::Cursor`
Nov 28 21:51:39.649 INFO [stderr]    --> src/client.rs:718:9
Nov 28 21:51:39.650 INFO [stderr]     |
Nov 28 21:51:39.650 INFO [stderr] 718 |     use std::io::Cursor;
Nov 28 21:51:39.651 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Nov 28 21:51:39.651 INFO [stderr]     |
Nov 28 21:51:39.652 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 28 21:51:39.653 INFO [stderr] 
Nov 28 21:51:40.349 INFO [stderr] warning: unused variable: `client`
Nov 28 21:51:40.349 INFO [stderr]    --> src/client.rs:730:13
Nov 28 21:51:40.349 INFO [stderr]     |
Nov 28 21:51:40.349 INFO [stderr] 730 |         let client = options.connect("127.0.0.1:1883", netopt).unwrap();
Nov 28 21:51:40.349 INFO [stderr]     |             ^^^^^^ help: consider using `_client` instead
Nov 28 21:51:40.349 INFO [stderr]     |
Nov 28 21:51:40.349 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 21:51:40.349 INFO [stderr] 
Nov 28 21:51:42.061 INFO [stderr] warning: unused import: `Client`
Nov 28 21:51:42.061 INFO [stderr]   --> examples/ping.rs:10:13
Nov 28 21:51:42.062 INFO [stderr]    |
Nov 28 21:51:42.062 INFO [stderr] 10 | use mqttc::{Client, ClientOptions, ReconnectMethod};
Nov 28 21:51:42.062 INFO [stderr]    |             ^^^^^^
Nov 28 21:51:42.063 INFO [stderr]    |
Nov 28 21:51:42.063 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 21:51:42.063 INFO [stderr] 
Nov 28 21:51:42.109 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:51:42.109 INFO [stderr]   --> examples/ping.rs:14:9
Nov 28 21:51:42.109 INFO [stderr]    |
Nov 28 21:51:42.109 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Nov 28 21:51:42.110 INFO [stderr]    |         ----^^^^
Nov 28 21:51:42.110 INFO [stderr]    |         |
Nov 28 21:51:42.110 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:51:42.111 INFO [stderr]    |
Nov 28 21:51:42.111 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:51:42.111 INFO [stderr] 
Nov 28 21:51:42.272 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 21:51:42.272 INFO [stderr]  --> examples/sub.rs:3:1
Nov 28 21:51:42.272 INFO [stderr]   |
Nov 28 21:51:42.272 INFO [stderr] 3 | #[macro_use] extern crate log;
Nov 28 21:51:42.272 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 21:51:42.272 INFO [stderr]   |
Nov 28 21:51:42.272 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 21:51:42.272 INFO [stderr] 
Nov 28 21:51:42.272 INFO [stderr] warning: unused imports: `Client`, `PubOpt`
Nov 28 21:51:42.272 INFO [stderr]   --> examples/sub.rs:10:21
Nov 28 21:51:42.272 INFO [stderr]    |
Nov 28 21:51:42.272 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Nov 28 21:51:42.272 INFO [stderr]    |                     ^^^^^^                                  ^^^^^^
Nov 28 21:51:42.272 INFO [stderr] 
Nov 28 21:51:42.380 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:51:42.380 INFO [stderr]   --> examples/sub.rs:14:9
Nov 28 21:51:42.380 INFO [stderr]    |
Nov 28 21:51:42.380 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Nov 28 21:51:42.380 INFO [stderr]    |         ----^^^^
Nov 28 21:51:42.380 INFO [stderr]    |         |
Nov 28 21:51:42.380 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:51:42.380 INFO [stderr]    |
Nov 28 21:51:42.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:51:42.380 INFO [stderr] 
Nov 28 21:51:42.444 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 21:51:42.444 INFO [stderr]  --> examples/pub.rs:3:1
Nov 28 21:51:42.444 INFO [stderr]   |
Nov 28 21:51:42.444 INFO [stderr] 3 | #[macro_use] extern crate log;
Nov 28 21:51:42.444 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 21:51:42.444 INFO [stderr]   |
Nov 28 21:51:42.444 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 21:51:42.446 INFO [stderr] 
Nov 28 21:51:42.446 INFO [stderr] warning: unused import: `Client`
Nov 28 21:51:42.446 INFO [stderr]   --> examples/pub.rs:10:21
Nov 28 21:51:42.446 INFO [stderr]    |
Nov 28 21:51:42.446 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Nov 28 21:51:42.446 INFO [stderr]    |                     ^^^^^^
Nov 28 21:51:42.446 INFO [stderr] 
Nov 28 21:51:42.488 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:51:42.488 INFO [stderr]   --> examples/pub.rs:14:9
Nov 28 21:51:42.488 INFO [stderr]    |
Nov 28 21:51:42.488 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Nov 28 21:51:42.488 INFO [stderr]    |         ----^^^^
Nov 28 21:51:42.488 INFO [stderr]    |         |
Nov 28 21:51:42.489 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:51:42.489 INFO [stderr]    |
Nov 28 21:51:42.489 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:51:42.489 INFO [stderr] 
Nov 28 21:51:42.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
Nov 28 21:51:42.548 INFO [stderr] su: No module specific data is present
Nov 28 21:51:43.150 INFO running `"docker" "inspect" "59bac28df31285113c2617b9a47190556fdc53b0a452bd9a56f28aaad6aba9f1"`
Nov 28 21:51:43.284 INFO running `"docker" "rm" "-f" "59bac28df31285113c2617b9a47190556fdc53b0a452bd9a56f28aaad6aba9f1"`
Nov 28 21:51:43.386 INFO [stdout] 59bac28df31285113c2617b9a47190556fdc53b0a452bd9a56f28aaad6aba9f1