Dec 05 03:06:07.181 INFO checking ChijinZ/rust_test against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:06:07.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:06:07.631 INFO [stdout] ac19f0acc391896a3f4fd38f117b268c1088eab0b3af96293525478a55ad7f08
Dec 05 03:06:07.633 INFO running `"docker" "start" "-a" "ac19f0acc391896a3f4fd38f117b268c1088eab0b3af96293525478a55ad7f08"`
Dec 05 03:06:09.903 INFO [stderr] usermod: no changes
Dec 05 03:06:10.167 INFO [stderr]     Checking mio-named-pipes v0.1.6
Dec 05 03:06:10.167 INFO [stderr]     Checking theban_interval_tree v0.7.1
Dec 05 03:06:10.167 INFO [stderr]     Checking bincode v1.0.1
Dec 05 03:06:10.167 INFO [stderr]     Checking tokio-reactor v0.1.2
Dec 05 03:06:12.051 INFO [stderr]     Checking shared_memory v0.8.0
Dec 05 03:06:12.619 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 05 03:06:12.619 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 05 03:06:12.619 INFO [stderr]     Checking tokio-uds v0.2.0
Dec 05 03:06:12.619 INFO [stderr]     Checking tokio-signal v0.2.1
Dec 05 03:06:17.524 INFO [stderr]     Checking tokio-process v0.2.2
Dec 05 03:06:17.539 INFO [stderr]     Checking tokio v0.1.7
Dec 05 03:06:20.594 INFO [stderr]     Checking msg-transmitter v0.3.0
Dec 05 03:06:22.743 INFO [stderr]     Checking rust_test v0.1.0 (/source)
Dec 05 03:06:23.263 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 05 03:06:23.263 INFO [stderr]  --> src/main.rs:1:5
Dec 05 03:06:23.263 INFO [stderr]   |
Dec 05 03:06:23.263 INFO [stderr] 1 | use std::cell::RefCell;
Dec 05 03:06:23.263 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 03:06:23.263 INFO [stderr]   |
Dec 05 03:06:23.263 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:06:23.263 INFO [stderr] 
Dec 05 03:06:23.263 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 05 03:06:23.263 INFO [stderr]  --> src/main.rs:2:17
Dec 05 03:06:23.263 INFO [stderr]   |
Dec 05 03:06:23.263 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 05 03:06:23.263 INFO [stderr]   |                 ^^^  ^^^^^
Dec 05 03:06:23.263 INFO [stderr] 
Dec 05 03:06:23.472 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 05 03:06:23.472 INFO [stderr]  --> src/main.rs:1:5
Dec 05 03:06:23.472 INFO [stderr]   |
Dec 05 03:06:23.472 INFO [stderr] 1 | use std::cell::RefCell;
Dec 05 03:06:23.472 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 03:06:23.472 INFO [stderr]   |
Dec 05 03:06:23.472 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:06:23.472 INFO [stderr] 
Dec 05 03:06:23.472 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 05 03:06:23.472 INFO [stderr]  --> src/main.rs:2:17
Dec 05 03:06:23.472 INFO [stderr]   |
Dec 05 03:06:23.472 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 05 03:06:23.472 INFO [stderr]   |                 ^^^  ^^^^^
Dec 05 03:06:23.472 INFO [stderr] 
Dec 05 03:06:23.514 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.59s
Dec 05 03:06:23.522 INFO [stderr] su: No module specific data is present
Dec 05 03:06:23.871 INFO running `"docker" "inspect" "ac19f0acc391896a3f4fd38f117b268c1088eab0b3af96293525478a55ad7f08"`
Dec 05 03:06:23.970 INFO running `"docker" "rm" "-f" "ac19f0acc391896a3f4fd38f117b268c1088eab0b3af96293525478a55ad7f08"`
Dec 05 03:06:24.061 INFO [stdout] ac19f0acc391896a3f4fd38f117b268c1088eab0b3af96293525478a55ad7f08