Sep 04 10:12:08.203 INFO checking r4-1.0.1 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 10:12:08.203 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 10:12:08.203 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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=500" "-e" "CMD=cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 10:12:08.442 INFO blam! b5fe661fcbd527a98f7fd62a23641e3d2c9e215066491e4474b5128f49b02551
Sep 04 10:12:08.444 INFO running `"docker" "start" "-a" "b5fe661fcbd527a98f7fd62a23641e3d2c9e215066491e4474b5128f49b02551"`
Sep 04 10:12:09.470 INFO kablam!     Checking r4 v1.0.1 (file:///source)
Sep 04 10:12:10.229 INFO kablam! warning: unused variable: `i`
Sep 04 10:12:10.229 INFO kablam!    --> src/lib.rs:407:34
Sep 04 10:12:10.229 INFO kablam!     |
Sep 04 10:12:10.229 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 04 10:12:10.229 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 04 10:12:10.229 INFO kablam!     |
Sep 04 10:12:10.229 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 10:12:10.229 INFO kablam! 
Sep 04 10:12:10.230 INFO kablam! warning: unused variable: `x`
Sep 04 10:12:10.230 INFO kablam!    --> src/lib.rs:433:34
Sep 04 10:12:10.230 INFO kablam!     |
Sep 04 10:12:10.230 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 04 10:12:10.230 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 04 10:12:10.230 INFO kablam! 
Sep 04 10:12:10.230 INFO kablam! warning: unused variable: `x`
Sep 04 10:12:10.230 INFO kablam!    --> src/lib.rs:443:34
Sep 04 10:12:10.230 INFO kablam!     |
Sep 04 10:12:10.230 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 04 10:12:10.230 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 04 10:12:10.230 INFO kablam! 
Sep 04 10:12:10.231 INFO kablam! warning: unused variable: `a`
Sep 04 10:12:10.231 INFO kablam!    --> src/lib.rs:474:34
Sep 04 10:12:10.231 INFO kablam!     |
Sep 04 10:12:10.231 INFO kablam! 474 |                              let a = *x + 3;
Sep 04 10:12:10.231 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 04 10:12:10.231 INFO kablam! 
Sep 04 10:12:10.231 INFO kablam! warning: unused variable: `a`
Sep 04 10:12:10.231 INFO kablam!    --> src/lib.rs:489:34
Sep 04 10:12:10.231 INFO kablam!     |
Sep 04 10:12:10.231 INFO kablam! 489 |                              let a = *x + 3;
Sep 04 10:12:10.231 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 04 10:12:10.231 INFO kablam! 
Sep 04 10:12:10.231 INFO kablam! warning: unused variable: `y`
Sep 04 10:12:10.231 INFO kablam!    --> src/lib.rs:506:34
Sep 04 10:12:10.231 INFO kablam!     |
Sep 04 10:12:10.231 INFO kablam! 506 |                              for y in vs.iter();
Sep 04 10:12:10.231 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 04 10:12:10.231 INFO kablam! 
Sep 04 10:12:10.231 INFO kablam! warning: unused variable: `x`
Sep 04 10:12:10.231 INFO kablam!    --> src/lib.rs:522:34
Sep 04 10:12:10.231 INFO kablam!     |
Sep 04 10:12:10.231 INFO kablam! 522 |                              let x = *x + 1;
Sep 04 10:12:10.231 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 04 10:12:10.231 INFO kablam! 
Sep 04 10:12:10.331 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Sep 04 10:12:10.333 INFO kablam! su: No module specific data is present
Sep 04 10:12:10.930 INFO running `"docker" "rm" "-f" "b5fe661fcbd527a98f7fd62a23641e3d2c9e215066491e4474b5128f49b02551"`
Sep 04 10:12:11.015 INFO blam! b5fe661fcbd527a98f7fd62a23641e3d2c9e215066491e4474b5128f49b02551