Dec 05 06:52:08.008 INFO checking series-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:52:08.008 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06:52:08.400 INFO [stdout] 0e47a5beec889c7307e9451ac57aba3388513a445258d634cad03dbd573e97ff
Dec 05 06:52:08.403 INFO running `"docker" "start" "-a" "0e47a5beec889c7307e9451ac57aba3388513a445258d634cad03dbd573e97ff"`
Dec 05 06:52:09.655 INFO [stderr] usermod: no changes
Dec 05 06:52:09.718 INFO [stderr]     Checking series v0.1.0 (/source)
Dec 05 06:52:11.951 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.951 INFO [stderr]     --> src/lib.rs:1159:9
Dec 05 06:52:11.951 INFO [stderr]      |
Dec 05 06:52:11.951 INFO [stderr] 1159 |         s + t;
Dec 05 06:52:11.951 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.951 INFO [stderr]      |
Dec 05 06:52:11.951 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 05 06:52:11.951 INFO [stderr] 
Dec 05 06:52:11.951 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.951 INFO [stderr]     --> src/lib.rs:1167:9
Dec 05 06:52:11.951 INFO [stderr]      |
Dec 05 06:52:11.951 INFO [stderr] 1167 |         s - t;
Dec 05 06:52:11.951 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.951 INFO [stderr] 
Dec 05 06:52:11.951 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.951 INFO [stderr]     --> src/lib.rs:1175:9
Dec 05 06:52:11.951 INFO [stderr]      |
Dec 05 06:52:11.951 INFO [stderr] 1175 |         s * t;
Dec 05 06:52:11.951 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.951 INFO [stderr] 
Dec 05 06:52:11.951 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.951 INFO [stderr]     --> src/lib.rs:1183:9
Dec 05 06:52:11.951 INFO [stderr]      |
Dec 05 06:52:11.951 INFO [stderr] 1183 |         s / t;
Dec 05 06:52:11.951 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.951 INFO [stderr] 
Dec 05 06:52:11.979 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
Dec 05 06:52:11.983 INFO [stderr] su: No module specific data is present
Dec 05 06:52:12.823 INFO running `"docker" "inspect" "0e47a5beec889c7307e9451ac57aba3388513a445258d634cad03dbd573e97ff"`
Dec 05 06:52:13.106 INFO running `"docker" "rm" "-f" "0e47a5beec889c7307e9451ac57aba3388513a445258d634cad03dbd573e97ff"`
Dec 05 06:52:13.344 INFO [stdout] 0e47a5beec889c7307e9451ac57aba3388513a445258d634cad03dbd573e97ff