Sep 17 19:27:30.801 INFO checking r4-1.0.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 19:27:30.801 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 19:27:30.801 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 19:27:30.985 INFO blam! ec48710597784be1f0626010da4a486a9735029c628bb811536d8ba83911c8d4
Sep 17 19:27:30.987 INFO running `"docker" "start" "-a" "ec48710597784be1f0626010da4a486a9735029c628bb811536d8ba83911c8d4"`
Sep 17 19:27:31.883 INFO kablam! usermod: no changes
Sep 17 19:27:31.912 INFO kablam!     Checking r4 v1.0.1 (/source)
Sep 17 19:27:32.304 INFO kablam! warning: unused variable: `i`
Sep 17 19:27:32.305 INFO kablam!    --> src/lib.rs:407:34
Sep 17 19:27:32.305 INFO kablam!     |
Sep 17 19:27:32.306 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 17 19:27:32.306 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 17 19:27:32.306 INFO kablam!     |
Sep 17 19:27:32.307 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 17 19:27:32.307 INFO kablam! 
Sep 17 19:27:32.307 INFO kablam! warning: unused variable: `x`
Sep 17 19:27:32.308 INFO kablam!    --> src/lib.rs:433:34
Sep 17 19:27:32.308 INFO kablam!     |
Sep 17 19:27:32.308 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 17 19:27:32.309 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 17 19:27:32.309 INFO kablam! 
Sep 17 19:27:32.309 INFO kablam! warning: unused variable: `x`
Sep 17 19:27:32.310 INFO kablam!    --> src/lib.rs:443:34
Sep 17 19:27:32.310 INFO kablam!     |
Sep 17 19:27:32.310 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 17 19:27:32.311 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 17 19:27:32.311 INFO kablam! 
Sep 17 19:27:32.311 INFO kablam! warning: unused variable: `a`
Sep 17 19:27:32.311 INFO kablam!    --> src/lib.rs:474:34
Sep 17 19:27:32.312 INFO kablam!     |
Sep 17 19:27:32.312 INFO kablam! 474 |                              let a = *x + 3;
Sep 17 19:27:32.312 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 17 19:27:32.313 INFO kablam! 
Sep 17 19:27:32.313 INFO kablam! warning: unused variable: `a`
Sep 17 19:27:32.313 INFO kablam!    --> src/lib.rs:489:34
Sep 17 19:27:32.314 INFO kablam!     |
Sep 17 19:27:32.314 INFO kablam! 489 |                              let a = *x + 3;
Sep 17 19:27:32.314 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 17 19:27:32.314 INFO kablam! 
Sep 17 19:27:32.315 INFO kablam! warning: unused variable: `y`
Sep 17 19:27:32.315 INFO kablam!    --> src/lib.rs:506:34
Sep 17 19:27:32.315 INFO kablam!     |
Sep 17 19:27:32.316 INFO kablam! 506 |                              for y in vs.iter();
Sep 17 19:27:32.316 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 17 19:27:32.316 INFO kablam! 
Sep 17 19:27:32.317 INFO kablam! warning: unused variable: `x`
Sep 17 19:27:32.317 INFO kablam!    --> src/lib.rs:522:34
Sep 17 19:27:32.317 INFO kablam!     |
Sep 17 19:27:32.318 INFO kablam! 522 |                              let x = *x + 1;
Sep 17 19:27:32.318 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 17 19:27:32.318 INFO kablam! 
Sep 17 19:27:32.396 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Sep 17 19:27:32.398 INFO kablam! su: No module specific data is present
Sep 17 19:27:32.925 INFO running `"docker" "rm" "-f" "ec48710597784be1f0626010da4a486a9735029c628bb811536d8ba83911c8d4"`
Sep 17 19:27:33.022 INFO blam! ec48710597784be1f0626010da4a486a9735029c628bb811536d8ba83911c8d4