Dec 05 07:26:20.800 INFO checking rust-gmp-0.5.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:26:20.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 07:26:21.228 INFO [stdout] b2b1bc19c47ebc991f85019557b1b013673f57c305b2b7eeafc714248eb93161
Dec 05 07:26:21.231 INFO running `"docker" "start" "-a" "b2b1bc19c47ebc991f85019557b1b013673f57c305b2b7eeafc714248eb93161"`
Dec 05 07:26:22.354 INFO [stderr] usermod: no changes
Dec 05 07:26:22.425 INFO [stderr]     Checking rust-gmp v0.5.0 (/source)
Dec 05 07:26:24.427 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 07:26:24.427 INFO [stderr]    --> src/test.rs:101:9
Dec 05 07:26:24.427 INFO [stderr]     |
Dec 05 07:26:24.427 INFO [stderr] 101 |         x / y;
Dec 05 07:26:24.427 INFO [stderr]     |         ^^^^^
Dec 05 07:26:24.427 INFO [stderr]     |
Dec 05 07:26:24.427 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 07:26:24.427 INFO [stderr] 
Dec 05 07:26:24.427 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 07:26:24.427 INFO [stderr]    --> src/test.rs:109:9
Dec 05 07:26:24.427 INFO [stderr]     |
Dec 05 07:26:24.427 INFO [stderr] 109 |         x % y;
Dec 05 07:26:24.427 INFO [stderr]     |         ^^^^^
Dec 05 07:26:24.427 INFO [stderr] 
Dec 05 07:26:24.435 INFO [stderr] warning: unused comparison that must be used
Dec 05 07:26:24.435 INFO [stderr]    --> src/test.rs:316:9
Dec 05 07:26:24.435 INFO [stderr]     |
Dec 05 07:26:24.435 INFO [stderr] 316 |         Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
Dec 05 07:26:24.435 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:26:24.435 INFO [stderr] 
Dec 05 07:26:24.443 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 07:26:24.443 INFO [stderr]    --> src/test.rs:612:9
Dec 05 07:26:24.443 INFO [stderr]     |
Dec 05 07:26:24.443 INFO [stderr] 612 |         x / y;
Dec 05 07:26:24.443 INFO [stderr]     |         ^^^^^
Dec 05 07:26:24.443 INFO [stderr] 
Dec 05 07:26:24.443 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 07:26:24.443 INFO [stderr]    --> src/test.rs:701:9
Dec 05 07:26:24.443 INFO [stderr]     |
Dec 05 07:26:24.443 INFO [stderr] 701 |         &x / &x;
Dec 05 07:26:24.443 INFO [stderr]     |         ^^^^^^^
Dec 05 07:26:24.443 INFO [stderr] 
Dec 05 07:26:24.471 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Dec 05 07:26:24.471 INFO [stderr] su: No module specific data is present
Dec 05 07:26:25.003 INFO running `"docker" "inspect" "b2b1bc19c47ebc991f85019557b1b013673f57c305b2b7eeafc714248eb93161"`
Dec 05 07:26:25.161 INFO running `"docker" "rm" "-f" "b2b1bc19c47ebc991f85019557b1b013673f57c305b2b7eeafc714248eb93161"`
Dec 05 07:26:25.266 INFO [stdout] b2b1bc19c47ebc991f85019557b1b013673f57c305b2b7eeafc714248eb93161