Dec 12 17:21:35.822 INFO checking byte_channel-0.0.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:21:35.822 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 17:21:35.998 INFO [stdout] b2e9263bf3ff146f671323a50d9da851cac8f9565d70bf702d97e8bd2452196d
Dec 12 17:21:36.002 INFO running `"docker" "start" "-a" "b2e9263bf3ff146f671323a50d9da851cac8f9565d70bf702d97e8bd2452196d"`
Dec 12 17:21:36.724 INFO [stderr] usermod: no changes
Dec 12 17:21:36.773 INFO [stderr]     Checking test_futures v0.0.1
Dec 12 17:21:36.781 INFO [stderr]     Checking byte_channel v0.0.1 (/source)
Dec 12 17:21:38.217 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 17:21:38.217 INFO [stderr]  --> src/lib.rs:2:18
Dec 12 17:21:38.217 INFO [stderr]   |
Dec 12 17:21:38.217 INFO [stderr] 2 | #[cfg_attr(test, macro_use)]
Dec 12 17:21:38.217 INFO [stderr]   |                  ^^^^^^^^^
Dec 12 17:21:38.217 INFO [stderr]   |
Dec 12 17:21:38.217 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:21:38.217 INFO [stderr] 
Dec 12 17:21:38.704 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Dec 12 17:21:38.715 INFO [stderr] su: No module specific data is present
Dec 12 17:21:39.107 INFO running `"docker" "inspect" "b2e9263bf3ff146f671323a50d9da851cac8f9565d70bf702d97e8bd2452196d"`
Dec 12 17:21:39.326 INFO running `"docker" "rm" "-f" "b2e9263bf3ff146f671323a50d9da851cac8f9565d70bf702d97e8bd2452196d"`
Dec 12 17:21:39.548 INFO [stdout] b2e9263bf3ff146f671323a50d9da851cac8f9565d70bf702d97e8bd2452196d