Dec 04 14:20:22.160 INFO checking mcahriman/m590-proto against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 14:20:22.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 14:20:22.643 INFO [stdout] 016e00036615eba6df2d957602506dc6ce368463a33b76ef0ee71a6c0a4fa35b
Dec 04 14:20:22.645 INFO running `"docker" "start" "-a" "016e00036615eba6df2d957602506dc6ce368463a33b76ef0ee71a6c0a4fa35b"`
Dec 04 14:20:24.256 INFO [stderr] usermod: no changes
Dec 04 14:20:24.319 INFO [stderr]     Checking m590e-uart-proto v0.1.0 (/source)
Dec 04 14:20:24.651 INFO [stderr] warning: unused import: `std::io`
Dec 04 14:20:24.651 INFO [stderr]  --> src/main.rs:4:5
Dec 04 14:20:24.651 INFO [stderr]   |
Dec 04 14:20:24.651 INFO [stderr] 4 | use std::io;
Dec 04 14:20:24.651 INFO [stderr]   |     ^^^^^^^
Dec 04 14:20:24.651 INFO [stderr]   |
Dec 04 14:20:24.651 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:20:24.651 INFO [stderr] 
Dec 04 14:20:24.651 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 04 14:20:24.651 INFO [stderr]  --> src/main.rs:5:5
Dec 04 14:20:24.651 INFO [stderr]   |
Dec 04 14:20:24.651 INFO [stderr] 5 | use std::time::Duration;
Dec 04 14:20:24.651 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:24.651 INFO [stderr] 
Dec 04 14:20:24.651 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 14:20:24.651 INFO [stderr]  --> src/main.rs:9:5
Dec 04 14:20:24.651 INFO [stderr]   |
Dec 04 14:20:24.651 INFO [stderr] 9 | use std::io::prelude::*;
Dec 04 14:20:24.651 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:24.651 INFO [stderr] 
Dec 04 14:20:24.683 INFO [stderr] warning: unused import: `serial::prelude`
Dec 04 14:20:24.683 INFO [stderr]   --> src/main.rs:10:5
Dec 04 14:20:24.683 INFO [stderr]    |
Dec 04 14:20:24.683 INFO [stderr] 10 | use serial::prelude::*;
Dec 04 14:20:24.683 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 14:20:24.683 INFO [stderr] 
Dec 04 14:20:24.715 INFO [stderr] warning: constant item is never used: `E_ERR`
Dec 04 14:20:24.715 INFO [stderr]   --> src/main.rs:15:1
Dec 04 14:20:24.715 INFO [stderr]    |
Dec 04 14:20:24.715 INFO [stderr] 15 | const E_ERR: i32 = 1;
Dec 04 14:20:24.715 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:24.715 INFO [stderr]    |
Dec 04 14:20:24.715 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:20:24.715 INFO [stderr] 
Dec 04 14:20:24.715 INFO [stderr] warning: unused import: `std::io`
Dec 04 14:20:24.715 INFO [stderr]  --> src/main.rs:4:5
Dec 04 14:20:24.715 INFO [stderr]   |
Dec 04 14:20:24.715 INFO [stderr] 4 | use std::io;
Dec 04 14:20:24.715 INFO [stderr]   |     ^^^^^^^
Dec 04 14:20:24.715 INFO [stderr]   |
Dec 04 14:20:24.715 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:20:24.715 INFO [stderr] 
Dec 04 14:20:24.715 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 04 14:20:24.715 INFO [stderr]  --> src/main.rs:5:5
Dec 04 14:20:24.715 INFO [stderr]   |
Dec 04 14:20:24.715 INFO [stderr] 5 | use std::time::Duration;
Dec 04 14:20:24.715 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:24.715 INFO [stderr] 
Dec 04 14:20:24.715 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 14:20:24.715 INFO [stderr]  --> src/main.rs:9:5
Dec 04 14:20:24.715 INFO [stderr]   |
Dec 04 14:20:24.715 INFO [stderr] 9 | use std::io::prelude::*;
Dec 04 14:20:24.715 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:24.715 INFO [stderr] 
Dec 04 14:20:24.775 INFO [stderr] warning: unused import: `serial::prelude`
Dec 04 14:20:24.775 INFO [stderr]   --> src/main.rs:10:5
Dec 04 14:20:24.775 INFO [stderr]    |
Dec 04 14:20:24.775 INFO [stderr] 10 | use serial::prelude::*;
Dec 04 14:20:24.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 14:20:24.775 INFO [stderr] 
Dec 04 14:20:24.792 INFO [stderr] warning: constant item is never used: `E_ERR`
Dec 04 14:20:24.792 INFO [stderr]   --> src/main.rs:15:1
Dec 04 14:20:24.792 INFO [stderr]    |
Dec 04 14:20:24.792 INFO [stderr] 15 | const E_ERR: i32 = 1;
Dec 04 14:20:24.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:20:24.792 INFO [stderr]    |
Dec 04 14:20:24.792 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:20:24.792 INFO [stderr] 
Dec 04 14:20:24.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 04 14:20:24.823 INFO [stderr] su: No module specific data is present
Dec 04 14:20:25.429 INFO running `"docker" "inspect" "016e00036615eba6df2d957602506dc6ce368463a33b76ef0ee71a6c0a4fa35b"`
Dec 04 14:20:25.706 INFO running `"docker" "rm" "-f" "016e00036615eba6df2d957602506dc6ce368463a33b76ef0ee71a6c0a4fa35b"`
Dec 04 14:20:26.059 INFO [stdout] 016e00036615eba6df2d957602506dc6ce368463a33b76ef0ee71a6c0a4fa35b