Dec 05 10:13:40.770 INFO checking mqttc-0.1.4 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:13:40.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 10:13:40.984 INFO [stdout] b01de07e2932c288901bd275d3cf347f1d9e6acf73e6ad4f23ff61f854bcc29c
Dec 05 10:13:40.986 INFO running `"docker" "start" "-a" "b01de07e2932c288901bd275d3cf347f1d9e6acf73e6ad4f23ff61f854bcc29c"`
Dec 05 10:13:41.727 INFO [stderr] usermod: no changes
Dec 05 10:13:41.879 INFO [stderr]     Checking netopt v0.1.3
Dec 05 10:13:42.955 INFO [stderr]     Checking mqttc v0.1.4 (/source)
Dec 05 10:13:44.957 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 05 10:13:44.957 INFO [stderr]    --> src/client.rs:718:9
Dec 05 10:13:44.957 INFO [stderr]     |
Dec 05 10:13:44.957 INFO [stderr] 718 |     use std::io::Cursor;
Dec 05 10:13:44.958 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 05 10:13:44.958 INFO [stderr]     |
Dec 05 10:13:44.958 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 05 10:13:44.959 INFO [stderr] 
Dec 05 10:13:45.363 INFO [stderr] warning: unused variable: `client`
Dec 05 10:13:45.364 INFO [stderr]    --> src/client.rs:730:13
Dec 05 10:13:45.364 INFO [stderr]     |
Dec 05 10:13:45.364 INFO [stderr] 730 |         let client = options.connect("127.0.0.1:1883", netopt).unwrap();
Dec 05 10:13:45.365 INFO [stderr]     |             ^^^^^^ help: consider using `_client` instead
Dec 05 10:13:45.365 INFO [stderr]     |
Dec 05 10:13:45.365 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 10:13:45.366 INFO [stderr] 
Dec 05 10:13:47.823 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 10:13:47.823 INFO [stderr]  --> examples/sub.rs:3:1
Dec 05 10:13:47.823 INFO [stderr]   |
Dec 05 10:13:47.823 INFO [stderr] 3 | #[macro_use] extern crate log;
Dec 05 10:13:47.823 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 10:13:47.823 INFO [stderr]   |
Dec 05 10:13:47.823 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:13:47.823 INFO [stderr] 
Dec 05 10:13:47.823 INFO [stderr] warning: unused imports: `Client`, `PubOpt`
Dec 05 10:13:47.823 INFO [stderr]   --> examples/sub.rs:10:21
Dec 05 10:13:47.823 INFO [stderr]    |
Dec 05 10:13:47.823 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Dec 05 10:13:47.823 INFO [stderr]    |                     ^^^^^^                                  ^^^^^^
Dec 05 10:13:47.823 INFO [stderr] 
Dec 05 10:13:47.863 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:47.863 INFO [stderr]   --> examples/sub.rs:14:9
Dec 05 10:13:47.863 INFO [stderr]    |
Dec 05 10:13:47.863 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Dec 05 10:13:47.863 INFO [stderr]    |         ----^^^^
Dec 05 10:13:47.863 INFO [stderr]    |         |
Dec 05 10:13:47.863 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:47.864 INFO [stderr]    |
Dec 05 10:13:47.864 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:13:47.864 INFO [stderr] 
Dec 05 10:13:48.574 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 10:13:48.574 INFO [stderr]  --> examples/pub.rs:3:1
Dec 05 10:13:48.574 INFO [stderr]   |
Dec 05 10:13:48.574 INFO [stderr] 3 | #[macro_use] extern crate log;
Dec 05 10:13:48.574 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 10:13:48.574 INFO [stderr]   |
Dec 05 10:13:48.575 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:13:48.575 INFO [stderr] 
Dec 05 10:13:48.575 INFO [stderr] warning: unused import: `Client`
Dec 05 10:13:48.575 INFO [stderr]   --> examples/pub.rs:10:21
Dec 05 10:13:48.575 INFO [stderr]    |
Dec 05 10:13:48.575 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Dec 05 10:13:48.575 INFO [stderr]    |                     ^^^^^^
Dec 05 10:13:48.575 INFO [stderr] 
Dec 05 10:13:48.614 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:48.614 INFO [stderr]   --> examples/pub.rs:14:9
Dec 05 10:13:48.614 INFO [stderr]    |
Dec 05 10:13:48.614 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Dec 05 10:13:48.614 INFO [stderr]    |         ----^^^^
Dec 05 10:13:48.614 INFO [stderr]    |         |
Dec 05 10:13:48.614 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:48.614 INFO [stderr]    |
Dec 05 10:13:48.614 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:13:48.614 INFO [stderr] 
Dec 05 10:13:49.106 INFO [stderr] warning: unused import: `Client`
Dec 05 10:13:49.106 INFO [stderr]   --> examples/ping.rs:10:13
Dec 05 10:13:49.106 INFO [stderr]    |
Dec 05 10:13:49.106 INFO [stderr] 10 | use mqttc::{Client, ClientOptions, ReconnectMethod};
Dec 05 10:13:49.106 INFO [stderr]    |             ^^^^^^
Dec 05 10:13:49.106 INFO [stderr]    |
Dec 05 10:13:49.106 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 10:13:49.106 INFO [stderr] 
Dec 05 10:13:49.179 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:49.179 INFO [stderr]   --> examples/ping.rs:14:9
Dec 05 10:13:49.179 INFO [stderr]    |
Dec 05 10:13:49.179 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Dec 05 10:13:49.179 INFO [stderr]    |         ----^^^^
Dec 05 10:13:49.179 INFO [stderr]    |         |
Dec 05 10:13:49.179 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:49.179 INFO [stderr]    |
Dec 05 10:13:49.179 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:13:49.179 INFO [stderr] 
Dec 05 10:13:49.230 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
Dec 05 10:13:49.234 INFO [stderr] su: No module specific data is present
Dec 05 10:13:49.976 INFO running `"docker" "inspect" "b01de07e2932c288901bd275d3cf347f1d9e6acf73e6ad4f23ff61f854bcc29c"`
Dec 05 10:13:50.229 INFO running `"docker" "rm" "-f" "b01de07e2932c288901bd275d3cf347f1d9e6acf73e6ad4f23ff61f854bcc29c"`
Dec 05 10:13:50.408 INFO [stdout] b01de07e2932c288901bd275d3cf347f1d9e6acf73e6ad4f23ff61f854bcc29c