Dec 18 13:50:31.635 INFO checking msg-transmitter-0.3.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:50:31.635 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/msg-transmitter/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:50:31.944 INFO [stdout] f8fba0652a14291f0e587336c39f5d034d799f640ca4d4f4909fa3e0050de3e8
Dec 18 13:50:31.948 INFO running `"docker" "start" "-a" "f8fba0652a14291f0e587336c39f5d034d799f640ca4d4f4909fa3e0050de3e8"`
Dec 18 13:50:33.422 INFO [stderr]     Checking msg-transmitter v0.3.2 (/opt/crater/workdir)
Dec 18 13:50:38.580 INFO [stderr] warning: unused import: `futures::sync::mpsc`
Dec 18 13:50:38.580 INFO [stderr]   --> examples/master_and_slave.rs:69:9
Dec 18 13:50:38.580 INFO [stderr]    |
Dec 18 13:50:38.580 INFO [stderr] 69 |     use futures::sync::mpsc;
Dec 18 13:50:38.580 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 18 13:50:38.580 INFO [stderr]    |
Dec 18 13:50:38.580 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 13:50:38.580 INFO [stderr] 
Dec 18 13:50:38.580 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 18 13:50:38.580 INFO [stderr]   --> examples/master_and_slave.rs:70:21
Dec 18 13:50:38.580 INFO [stderr]    |
Dec 18 13:50:38.580 INFO [stderr] 70 |     use std::sync::{Arc, Mutex};
Dec 18 13:50:38.580 INFO [stderr]    |                     ^^^  ^^^^^
Dec 18 13:50:38.580 INFO [stderr] 
Dec 18 13:50:38.729 INFO [stderr] warning: unused variable: `now`
Dec 18 13:50:38.729 INFO [stderr]   --> examples/master_and_slave.rs:60:13
Dec 18 13:50:38.729 INFO [stderr]    |
Dec 18 13:50:38.729 INFO [stderr] 60 |         let now = time::Instant::now();
Dec 18 13:50:38.729 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 18 13:50:38.729 INFO [stderr]    |
Dec 18 13:50:38.729 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:50:38.729 INFO [stderr] 
Dec 18 13:50:39.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
Dec 18 13:50:39.601 INFO running `"docker" "inspect" "f8fba0652a14291f0e587336c39f5d034d799f640ca4d4f4909fa3e0050de3e8"`
Dec 18 13:50:39.828 INFO running `"docker" "rm" "-f" "f8fba0652a14291f0e587336c39f5d034d799f640ca4d4f4909fa3e0050de3e8"`
Dec 18 13:50:39.987 INFO [stdout] f8fba0652a14291f0e587336c39f5d034d799f640ca4d4f4909fa3e0050de3e8