Sep 06 02:00:03.759 INFO checking r4-1.0.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:00:03.759 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:00:03.759 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:00:03.930 INFO blam! faa491e3585c1e2436b68725eb0d85b203322ba03f8d8ace810db322c0559e41
Sep 06 02:00:03.930 INFO running `"docker" "start" "-a" "faa491e3585c1e2436b68725eb0d85b203322ba03f8d8ace810db322c0559e41"`
Sep 06 02:00:04.960 INFO kablam! usermod: no changes
Sep 06 02:00:05.005 INFO kablam!     Checking r4 v1.0.1 (file:///source)
Sep 06 02:00:05.598 INFO kablam! warning: unused variable: `i`
Sep 06 02:00:05.598 INFO kablam!    --> src/lib.rs:407:34
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.598 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 06 02:00:05.598 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.598 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 02:00:05.598 INFO kablam! 
Sep 06 02:00:05.598 INFO kablam! warning: unused variable: `x`
Sep 06 02:00:05.598 INFO kablam!    --> src/lib.rs:433:34
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.598 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 06 02:00:05.598 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 06 02:00:05.598 INFO kablam! 
Sep 06 02:00:05.598 INFO kablam! warning: unused variable: `x`
Sep 06 02:00:05.598 INFO kablam!    --> src/lib.rs:443:34
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.598 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 06 02:00:05.598 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 06 02:00:05.598 INFO kablam! 
Sep 06 02:00:05.598 INFO kablam! warning: unused variable: `a`
Sep 06 02:00:05.598 INFO kablam!    --> src/lib.rs:474:34
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.598 INFO kablam! 474 |                              let a = *x + 3;
Sep 06 02:00:05.598 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 06 02:00:05.598 INFO kablam! 
Sep 06 02:00:05.598 INFO kablam! warning: unused variable: `a`
Sep 06 02:00:05.598 INFO kablam!    --> src/lib.rs:489:34
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.598 INFO kablam! 489 |                              let a = *x + 3;
Sep 06 02:00:05.598 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 06 02:00:05.598 INFO kablam! 
Sep 06 02:00:05.598 INFO kablam! warning: unused variable: `y`
Sep 06 02:00:05.598 INFO kablam!    --> src/lib.rs:506:34
Sep 06 02:00:05.598 INFO kablam!     |
Sep 06 02:00:05.599 INFO kablam! 506 |                              for y in vs.iter();
Sep 06 02:00:05.599 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 06 02:00:05.599 INFO kablam! 
Sep 06 02:00:05.599 INFO kablam! warning: unused variable: `x`
Sep 06 02:00:05.599 INFO kablam!    --> src/lib.rs:522:34
Sep 06 02:00:05.599 INFO kablam!     |
Sep 06 02:00:05.599 INFO kablam! 522 |                              let x = *x + 1;
Sep 06 02:00:05.599 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 06 02:00:05.599 INFO kablam! 
Sep 06 02:00:05.688 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Sep 06 02:00:05.694 INFO kablam! su: No module specific data is present
Sep 06 02:00:06.422 INFO running `"docker" "rm" "-f" "faa491e3585c1e2436b68725eb0d85b203322ba03f8d8ace810db322c0559e41"`
Sep 06 02:00:06.557 INFO blam! faa491e3585c1e2436b68725eb0d85b203322ba03f8d8ace810db322c0559e41