Dec 12 11:13:55.553 INFO checking msg-transmitter-0.3.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 11:13:55.553 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 12 11:13:55.986 INFO [stdout] 11b66a8c289c5d034fc6362d3b515e68e2f4852a7677ca1e747293118f7790fe
Dec 12 11:13:55.988 INFO running `"docker" "start" "-a" "11b66a8c289c5d034fc6362d3b515e68e2f4852a7677ca1e747293118f7790fe"`
Dec 12 11:13:57.284 INFO [stderr] usermod: no changes
Dec 12 11:13:57.580 INFO [stderr]     Checking msg-transmitter v0.3.2 (/source)
Dec 12 11:14:11.860 INFO [stderr] warning: unused import: `futures::sync::mpsc`
Dec 12 11:14:11.860 INFO [stderr]   --> examples/master_and_slave.rs:69:9
Dec 12 11:14:11.860 INFO [stderr]    |
Dec 12 11:14:11.860 INFO [stderr] 69 |     use futures::sync::mpsc;
Dec 12 11:14:11.861 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 12 11:14:11.861 INFO [stderr]    |
Dec 12 11:14:11.861 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 11:14:11.861 INFO [stderr] 
Dec 12 11:14:11.861 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 12 11:14:11.861 INFO [stderr]   --> examples/master_and_slave.rs:70:21
Dec 12 11:14:11.861 INFO [stderr]    |
Dec 12 11:14:11.861 INFO [stderr] 70 |     use std::sync::{Arc, Mutex};
Dec 12 11:14:11.861 INFO [stderr]    |                     ^^^  ^^^^^
Dec 12 11:14:11.861 INFO [stderr] 
Dec 12 11:14:12.352 INFO [stderr] warning: unused variable: `now`
Dec 12 11:14:12.352 INFO [stderr]   --> examples/master_and_slave.rs:60:13
Dec 12 11:14:12.352 INFO [stderr]    |
Dec 12 11:14:12.352 INFO [stderr] 60 |         let now = time::Instant::now();
Dec 12 11:14:12.352 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 12 11:14:12.352 INFO [stderr]    |
Dec 12 11:14:12.352 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 11:14:12.352 INFO [stderr] 
Dec 12 11:14:13.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.27s
Dec 12 11:14:13.592 INFO [stderr] su: No module specific data is present
Dec 12 11:14:14.210 INFO running `"docker" "inspect" "11b66a8c289c5d034fc6362d3b515e68e2f4852a7677ca1e747293118f7790fe"`
Dec 12 11:14:14.604 INFO running `"docker" "rm" "-f" "11b66a8c289c5d034fc6362d3b515e68e2f4852a7677ca1e747293118f7790fe"`
Dec 12 11:14:14.928 INFO [stdout] 11b66a8c289c5d034fc6362d3b515e68e2f4852a7677ca1e747293118f7790fe