Dec 05 12:26:08.141 INFO checking grid_2d-0.9.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 12:26:08.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12:26:08.675 INFO [stdout] e9659d121a807b4ac66d8cecdab1ac4e38b0c6edd6566f762b7500796ec3527e
Dec 05 12:26:08.680 INFO running `"docker" "start" "-a" "e9659d121a807b4ac66d8cecdab1ac4e38b0c6edd6566f762b7500796ec3527e"`
Dec 05 12:26:10.715 INFO [stderr] usermod: no changes
Dec 05 12:26:10.771 INFO [stderr]     Checking grid_2d v0.9.1 (/source)
Dec 05 12:26:12.444 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:429:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 429 |         a + Coord::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:430:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 430 |         &a + Coord::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:431:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 431 |         a + &Coord::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:432:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 432 |         &a + &Coord::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:433:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 433 |         a + Size::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:434:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 434 |         &a + Size::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:435:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 435 |         a + &Size::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:436:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 436 |         &a + &Size::new(0, 0);
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:437:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 437 |         Size::new(0, 0) + a;
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:438:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 438 |         &Size::new(0, 0) + a;
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:439:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 439 |         Size::new(0, 0) + &a;
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.446 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 12:26:12.446 INFO [stderr]    --> src/coord_arithmetic.rs:440:9
Dec 05 12:26:12.446 INFO [stderr]     |
Dec 05 12:26:12.446 INFO [stderr] 440 |         &Size::new(0, 0) + &a;
Dec 05 12:26:12.446 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:26:12.446 INFO [stderr] 
Dec 05 12:26:12.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 05 12:26:12.471 INFO [stderr] su: No module specific data is present
Dec 05 12:26:13.441 INFO running `"docker" "inspect" "e9659d121a807b4ac66d8cecdab1ac4e38b0c6edd6566f762b7500796ec3527e"`
Dec 05 12:26:13.700 INFO running `"docker" "rm" "-f" "e9659d121a807b4ac66d8cecdab1ac4e38b0c6edd6566f762b7500796ec3527e"`
Dec 05 12:26:13.947 INFO [stdout] e9659d121a807b4ac66d8cecdab1ac4e38b0c6edd6566f762b7500796ec3527e