Dec 12 08:18:04.628 INFO checking rust-gmp-0.5.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 08:18:04.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 08:18:05.072 INFO [stdout] 5153d3d566213841bfe25cb3d8121abeaec0c7683bacb7d53912746b61927061
Dec 12 08:18:05.074 INFO running `"docker" "start" "-a" "5153d3d566213841bfe25cb3d8121abeaec0c7683bacb7d53912746b61927061"`
Dec 12 08:18:06.471 INFO [stderr] usermod: no changes
Dec 12 08:18:06.512 INFO [stderr]     Checking rust-gmp v0.5.0 (/source)
Dec 12 08:18:08.280 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 08:18:08.280 INFO [stderr]    --> src/test.rs:101:9
Dec 12 08:18:08.280 INFO [stderr]     |
Dec 12 08:18:08.280 INFO [stderr] 101 |         x / y;
Dec 12 08:18:08.280 INFO [stderr]     |         ^^^^^
Dec 12 08:18:08.280 INFO [stderr]     |
Dec 12 08:18:08.280 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 08:18:08.280 INFO [stderr] 
Dec 12 08:18:08.280 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 08:18:08.280 INFO [stderr]    --> src/test.rs:109:9
Dec 12 08:18:08.280 INFO [stderr]     |
Dec 12 08:18:08.280 INFO [stderr] 109 |         x % y;
Dec 12 08:18:08.280 INFO [stderr]     |         ^^^^^
Dec 12 08:18:08.280 INFO [stderr] 
Dec 12 08:18:08.280 INFO [stderr] warning: unused comparison that must be used
Dec 12 08:18:08.280 INFO [stderr]    --> src/test.rs:316:9
Dec 12 08:18:08.280 INFO [stderr]     |
Dec 12 08:18:08.280 INFO [stderr] 316 |         Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
Dec 12 08:18:08.280 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.280 INFO [stderr] 
Dec 12 08:18:08.284 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 08:18:08.284 INFO [stderr]    --> src/test.rs:612:9
Dec 12 08:18:08.284 INFO [stderr]     |
Dec 12 08:18:08.284 INFO [stderr] 612 |         x / y;
Dec 12 08:18:08.284 INFO [stderr]     |         ^^^^^
Dec 12 08:18:08.284 INFO [stderr] 
Dec 12 08:18:08.286 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 08:18:08.286 INFO [stderr]    --> src/test.rs:701:9
Dec 12 08:18:08.286 INFO [stderr]     |
Dec 12 08:18:08.286 INFO [stderr] 701 |         &x / &x;
Dec 12 08:18:08.286 INFO [stderr]     |         ^^^^^^^
Dec 12 08:18:08.286 INFO [stderr] 
Dec 12 08:18:08.324 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 12 08:18:08.328 INFO [stderr] su: No module specific data is present
Dec 12 08:18:09.249 INFO running `"docker" "inspect" "5153d3d566213841bfe25cb3d8121abeaec0c7683bacb7d53912746b61927061"`
Dec 12 08:18:09.372 INFO running `"docker" "rm" "-f" "5153d3d566213841bfe25cb3d8121abeaec0c7683bacb7d53912746b61927061"`
Dec 12 08:18:09.507 INFO [stdout] 5153d3d566213841bfe25cb3d8121abeaec0c7683bacb7d53912746b61927061