Dec 04 08:47:33.236 INFO checking tgandrews/synacor-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:47:33.236 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 08:47:33.732 INFO [stdout] 9a12640939611012722e8968cf9076812ac1b6d082fe8add9df6f338dbe5afca
Dec 04 08:47:33.736 INFO running `"docker" "start" "-a" "9a12640939611012722e8968cf9076812ac1b6d082fe8add9df6f338dbe5afca"`
Dec 04 08:47:35.182 INFO [stderr] usermod: no changes
Dec 04 08:47:35.239 INFO [stderr]     Checking synacor-rs v0.1.0 (/source)
Dec 04 08:47:35.611 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:47:35.611 INFO [stderr]    --> src/main.rs:221:17
Dec 04 08:47:35.611 INFO [stderr]     |
Dec 04 08:47:35.611 INFO [stderr] 221 |                 stdin.lock().read_line(&mut line);
Dec 04 08:47:35.611 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:47:35.611 INFO [stderr]     |
Dec 04 08:47:35.611 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 08:47:35.611 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:47:35.611 INFO [stderr] 
Dec 04 08:47:35.814 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:47:35.814 INFO [stderr]    --> src/main.rs:221:17
Dec 04 08:47:35.814 INFO [stderr]     |
Dec 04 08:47:35.814 INFO [stderr] 221 |                 stdin.lock().read_line(&mut line);
Dec 04 08:47:35.814 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:47:35.814 INFO [stderr]     |
Dec 04 08:47:35.814 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 08:47:35.814 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:47:35.814 INFO [stderr] 
Dec 04 08:47:35.831 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 04 08:47:35.834 INFO [stderr] su: No module specific data is present
Dec 04 08:47:36.583 INFO running `"docker" "inspect" "9a12640939611012722e8968cf9076812ac1b6d082fe8add9df6f338dbe5afca"`
Dec 04 08:47:36.883 INFO running `"docker" "rm" "-f" "9a12640939611012722e8968cf9076812ac1b6d082fe8add9df6f338dbe5afca"`
Dec 04 08:47:37.174 INFO [stdout] 9a12640939611012722e8968cf9076812ac1b6d082fe8add9df6f338dbe5afca