Dec 05 10:13:14.356 INFO checking msg-transmitter-0.3.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:13:14.356 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 10:13:14.795 INFO [stdout] d972684e76904a6fa367aaf016f6623cd59562210a6f0308bc50f31c8a720f8c
Dec 05 10:13:14.801 INFO running `"docker" "start" "-a" "d972684e76904a6fa367aaf016f6623cd59562210a6f0308bc50f31c8a720f8c"`
Dec 05 10:13:15.968 INFO [stderr] usermod: no changes
Dec 05 10:13:16.155 INFO [stderr]     Checking msg-transmitter v0.3.2 (/source)
Dec 05 10:13:29.067 INFO [stderr] warning: unused import: `futures::sync::mpsc`
Dec 05 10:13:29.067 INFO [stderr]   --> examples/master_and_slave.rs:69:9
Dec 05 10:13:29.067 INFO [stderr]    |
Dec 05 10:13:29.067 INFO [stderr] 69 |     use futures::sync::mpsc;
Dec 05 10:13:29.067 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:29.067 INFO [stderr]    |
Dec 05 10:13:29.067 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 10:13:29.067 INFO [stderr] 
Dec 05 10:13:29.067 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 05 10:13:29.067 INFO [stderr]   --> examples/master_and_slave.rs:70:21
Dec 05 10:13:29.067 INFO [stderr]    |
Dec 05 10:13:29.067 INFO [stderr] 70 |     use std::sync::{Arc, Mutex};
Dec 05 10:13:29.067 INFO [stderr]    |                     ^^^  ^^^^^
Dec 05 10:13:29.067 INFO [stderr] 
Dec 05 10:13:29.329 INFO [stderr] warning: unused variable: `now`
Dec 05 10:13:29.329 INFO [stderr]   --> examples/master_and_slave.rs:60:13
Dec 05 10:13:29.329 INFO [stderr]    |
Dec 05 10:13:29.329 INFO [stderr] 60 |         let now = time::Instant::now();
Dec 05 10:13:29.329 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 05 10:13:29.329 INFO [stderr]    |
Dec 05 10:13:29.329 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 10:13:29.329 INFO [stderr] 
Dec 05 10:13:30.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.35s
Dec 05 10:13:30.367 INFO [stderr] su: No module specific data is present
Dec 05 10:13:30.773 INFO running `"docker" "inspect" "d972684e76904a6fa367aaf016f6623cd59562210a6f0308bc50f31c8a720f8c"`
Dec 05 10:13:31.000 INFO running `"docker" "rm" "-f" "d972684e76904a6fa367aaf016f6623cd59562210a6f0308bc50f31c8a720f8c"`
Dec 05 10:13:31.283 INFO [stdout] d972684e76904a6fa367aaf016f6623cd59562210a6f0308bc50f31c8a720f8c