Dec 05 06:52:08.167 INFO checking series-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:52:08.167 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05 06:52:08.559 INFO [stdout] 1682d05d1301b7a6788d5ecd7bd0c3a1bd6dd37f41cd8b97a830921a52772f5e
Dec 05 06:52:08.567 INFO running `"docker" "start" "-a" "1682d05d1301b7a6788d5ecd7bd0c3a1bd6dd37f41cd8b97a830921a52772f5e"`
Dec 05 06:52:09.711 INFO [stderr] usermod: no changes
Dec 05 06:52:09.843 INFO [stderr]     Checking series v0.1.0 (/source)
Dec 05 06:52:11.700 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.700 INFO [stderr]     --> src/lib.rs:1159:9
Dec 05 06:52:11.700 INFO [stderr]      |
Dec 05 06:52:11.700 INFO [stderr] 1159 |         s + t;
Dec 05 06:52:11.700 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.700 INFO [stderr]      |
Dec 05 06:52:11.700 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Dec 05 06:52:11.700 INFO [stderr] 
Dec 05 06:52:11.700 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.700 INFO [stderr]     --> src/lib.rs:1167:9
Dec 05 06:52:11.700 INFO [stderr]      |
Dec 05 06:52:11.700 INFO [stderr] 1167 |         s - t;
Dec 05 06:52:11.700 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.700 INFO [stderr] 
Dec 05 06:52:11.700 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.700 INFO [stderr]     --> src/lib.rs:1175:9
Dec 05 06:52:11.700 INFO [stderr]      |
Dec 05 06:52:11.700 INFO [stderr] 1175 |         s * t;
Dec 05 06:52:11.700 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.700 INFO [stderr] 
Dec 05 06:52:11.700 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:52:11.700 INFO [stderr]     --> src/lib.rs:1183:9
Dec 05 06:52:11.700 INFO [stderr]      |
Dec 05 06:52:11.700 INFO [stderr] 1183 |         s / t;
Dec 05 06:52:11.700 INFO [stderr]      |         ^^^^^
Dec 05 06:52:11.700 INFO [stderr] 
Dec 05 06:52:11.759 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
Dec 05 06:52:11.762 INFO [stderr] su: No module specific data is present
Dec 05 06:52:12.825 INFO running `"docker" "inspect" "1682d05d1301b7a6788d5ecd7bd0c3a1bd6dd37f41cd8b97a830921a52772f5e"`
Dec 05 06:52:13.135 INFO running `"docker" "rm" "-f" "1682d05d1301b7a6788d5ecd7bd0c3a1bd6dd37f41cd8b97a830921a52772f5e"`
Dec 05 06:52:13.539 INFO [stdout] 1682d05d1301b7a6788d5ecd7bd0c3a1bd6dd37f41cd8b97a830921a52772f5e