Sep 02 03:47:20.973 INFO checking r4-1.0.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 03:47:20.973 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 03:47:20.973 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 03:47:21.154 INFO blam! 0b2bddd8920637b2869d5b71d1b5274015a8e98e524c325378ace92d709b79f2
Sep 02 03:47:21.156 INFO running `"docker" "start" "-a" "0b2bddd8920637b2869d5b71d1b5274015a8e98e524c325378ace92d709b79f2"`
Sep 02 03:47:21.963 INFO kablam!     Checking r4 v1.0.1 (file:///source)
Sep 02 03:47:22.856 INFO kablam! warning: unused variable: `i`
Sep 02 03:47:22.856 INFO kablam!    --> src/lib.rs:407:34
Sep 02 03:47:22.856 INFO kablam!     |
Sep 02 03:47:22.856 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 02 03:47:22.856 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 02 03:47:22.856 INFO kablam!     |
Sep 02 03:47:22.856 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 03:47:22.856 INFO kablam! 
Sep 02 03:47:22.856 INFO kablam! warning: unused variable: `x`
Sep 02 03:47:22.856 INFO kablam!    --> src/lib.rs:433:34
Sep 02 03:47:22.856 INFO kablam!     |
Sep 02 03:47:22.856 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 02 03:47:22.856 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 02 03:47:22.856 INFO kablam! 
Sep 02 03:47:22.856 INFO kablam! warning: unused variable: `x`
Sep 02 03:47:22.856 INFO kablam!    --> src/lib.rs:443:34
Sep 02 03:47:22.856 INFO kablam!     |
Sep 02 03:47:22.856 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 02 03:47:22.856 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 02 03:47:22.856 INFO kablam! 
Sep 02 03:47:22.857 INFO kablam! warning: unused variable: `a`
Sep 02 03:47:22.857 INFO kablam!    --> src/lib.rs:474:34
Sep 02 03:47:22.858 INFO kablam!     |
Sep 02 03:47:22.858 INFO kablam! 474 |                              let a = *x + 3;
Sep 02 03:47:22.858 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 02 03:47:22.858 INFO kablam! 
Sep 02 03:47:22.858 INFO kablam! warning: unused variable: `a`
Sep 02 03:47:22.858 INFO kablam!    --> src/lib.rs:489:34
Sep 02 03:47:22.858 INFO kablam!     |
Sep 02 03:47:22.858 INFO kablam! 489 |                              let a = *x + 3;
Sep 02 03:47:22.858 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 02 03:47:22.858 INFO kablam! 
Sep 02 03:47:22.858 INFO kablam! warning: unused variable: `y`
Sep 02 03:47:22.858 INFO kablam!    --> src/lib.rs:506:34
Sep 02 03:47:22.858 INFO kablam!     |
Sep 02 03:47:22.858 INFO kablam! 506 |                              for y in vs.iter();
Sep 02 03:47:22.858 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 02 03:47:22.859 INFO kablam! 
Sep 02 03:47:22.859 INFO kablam! warning: unused variable: `x`
Sep 02 03:47:22.859 INFO kablam!    --> src/lib.rs:522:34
Sep 02 03:47:22.859 INFO kablam!     |
Sep 02 03:47:22.859 INFO kablam! 522 |                              let x = *x + 1;
Sep 02 03:47:22.859 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 02 03:47:22.859 INFO kablam! 
Sep 02 03:47:22.968 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Sep 02 03:47:22.970 INFO kablam! su: No module specific data is present
Sep 02 03:47:23.487 INFO running `"docker" "rm" "-f" "0b2bddd8920637b2869d5b71d1b5274015a8e98e524c325378ace92d709b79f2"`
Sep 02 03:47:23.595 INFO blam! 0b2bddd8920637b2869d5b71d1b5274015a8e98e524c325378ace92d709b79f2