Oct 13 14:01:35.121 INFO checking grid_2d-0.8.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 14:01:35.123 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 14:01:35.504 INFO blam! 5051967425b17fb47be3436041f940b3734e5baf1a2dc60864cb73866b1aba38
Oct 13 14:01:35.509 INFO running `"docker" "start" "-a" "5051967425b17fb47be3436041f940b3734e5baf1a2dc60864cb73866b1aba38"`
Oct 13 14:01:36.608 INFO kablam! usermod: no changes
Oct 13 14:01:36.660 INFO kablam!     Checking grid_2d v0.8.0 (/source)
Oct 13 14:01:38.048 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.048 INFO kablam!    --> src/coord_arithmetic.rs:423:9
Oct 13 14:01:38.048 INFO kablam!     |
Oct 13 14:01:38.048 INFO kablam! 423 |         a + Coord::new(0, 0);
Oct 13 14:01:38.048 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.048 INFO kablam!     |
Oct 13 14:01:38.048 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 14:01:38.048 INFO kablam! 
Oct 13 14:01:38.048 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.048 INFO kablam!    --> src/coord_arithmetic.rs:424:9
Oct 13 14:01:38.048 INFO kablam!     |
Oct 13 14:01:38.048 INFO kablam! 424 |         &a + Coord::new(0, 0);
Oct 13 14:01:38.048 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.048 INFO kablam! 
Oct 13 14:01:38.048 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.048 INFO kablam!    --> src/coord_arithmetic.rs:425:9
Oct 13 14:01:38.048 INFO kablam!     |
Oct 13 14:01:38.048 INFO kablam! 425 |         a + &Coord::new(0, 0);
Oct 13 14:01:38.048 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.048 INFO kablam! 
Oct 13 14:01:38.048 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.048 INFO kablam!    --> src/coord_arithmetic.rs:426:9
Oct 13 14:01:38.048 INFO kablam!     |
Oct 13 14:01:38.048 INFO kablam! 426 |         &a + &Coord::new(0, 0);
Oct 13 14:01:38.048 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:427:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 427 |         a + Size::new(0, 0);
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:428:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 428 |         &a + Size::new(0, 0);
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:429:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 429 |         a + &Size::new(0, 0);
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:430:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 430 |         &a + &Size::new(0, 0);
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:431:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 431 |         Size::new(0, 0) + a;
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:432:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 432 |         &Size::new(0, 0) + a;
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:433:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 433 |         Size::new(0, 0) + &a;
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.049 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 14:01:38.049 INFO kablam!    --> src/coord_arithmetic.rs:434:9
Oct 13 14:01:38.049 INFO kablam!     |
Oct 13 14:01:38.049 INFO kablam! 434 |         &Size::new(0, 0) + &a;
Oct 13 14:01:38.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^
Oct 13 14:01:38.049 INFO kablam! 
Oct 13 14:01:38.144 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Oct 13 14:01:38.144 INFO kablam! su: No module specific data is present
Oct 13 14:01:38.932 INFO running `"docker" "rm" "-f" "5051967425b17fb47be3436041f940b3734e5baf1a2dc60864cb73866b1aba38"`
Oct 13 14:01:39.148 INFO blam! 5051967425b17fb47be3436041f940b3734e5baf1a2dc60864cb73866b1aba38