Dec 05 07:25:39.080 INFO checking rust-mpfr-0.1.7 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 07:25:39.080 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 07:25:39.315 INFO [stdout] a39212fa5d41ebf0267963bd49eea15b6ae3bce59213775aedad1b0a6cc086f4
Dec 05 07:25:39.317 INFO running `"docker" "start" "-a" "a39212fa5d41ebf0267963bd49eea15b6ae3bce59213775aedad1b0a6cc086f4"`
Dec 05 07:25:39.770 INFO [stderr] usermod: no changes
Dec 05 07:25:39.823 INFO [stderr]     Checking rust-mpfr v0.1.7 (/source)
Dec 05 07:25:40.819 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 07:25:40.819 INFO [stderr]   --> src/test.rs:42:5
Dec 05 07:25:40.819 INFO [stderr]    |
Dec 05 07:25:40.819 INFO [stderr] 42 |     x / y;
Dec 05 07:25:40.819 INFO [stderr]    |     ^^^^^
Dec 05 07:25:40.819 INFO [stderr]    |
Dec 05 07:25:40.819 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 07:25:40.819 INFO [stderr] 
Dec 05 07:25:40.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 05 07:25:40.844 INFO [stderr] su: No module specific data is present
Dec 05 07:25:41.602 INFO running `"docker" "inspect" "a39212fa5d41ebf0267963bd49eea15b6ae3bce59213775aedad1b0a6cc086f4"`
Dec 05 07:25:41.937 INFO running `"docker" "rm" "-f" "a39212fa5d41ebf0267963bd49eea15b6ae3bce59213775aedad1b0a6cc086f4"`
Dec 05 07:25:42.274 INFO [stdout] a39212fa5d41ebf0267963bd49eea15b6ae3bce59213775aedad1b0a6cc086f4