Sep 21 05:11:33.508 INFO checking r4-1.0.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 05:11:33.508 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 05:11:33.508 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:11:33.659 INFO blam! 7015a51941ed84897b6723675422fda484a2c31d320ed01bf0008fd2aed6558d
Sep 21 05:11:33.660 INFO running `"docker" "start" "-a" "7015a51941ed84897b6723675422fda484a2c31d320ed01bf0008fd2aed6558d"`
Sep 21 05:11:34.419 INFO kablam! usermod: no changes
Sep 21 05:11:34.448 INFO kablam!     Checking r4 v1.0.1 (/source)
Sep 21 05:11:34.858 INFO kablam! warning: unused variable: `i`
Sep 21 05:11:34.858 INFO kablam!    --> src/lib.rs:407:34
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.858 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 21 05:11:34.858 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.858 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 05:11:34.858 INFO kablam! 
Sep 21 05:11:34.858 INFO kablam! warning: unused variable: `x`
Sep 21 05:11:34.858 INFO kablam!    --> src/lib.rs:433:34
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.858 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 21 05:11:34.858 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 21 05:11:34.858 INFO kablam! 
Sep 21 05:11:34.858 INFO kablam! warning: unused variable: `x`
Sep 21 05:11:34.858 INFO kablam!    --> src/lib.rs:443:34
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.858 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 21 05:11:34.858 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 21 05:11:34.858 INFO kablam! 
Sep 21 05:11:34.858 INFO kablam! warning: unused variable: `a`
Sep 21 05:11:34.858 INFO kablam!    --> src/lib.rs:474:34
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.858 INFO kablam! 474 |                              let a = *x + 3;
Sep 21 05:11:34.858 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 21 05:11:34.858 INFO kablam! 
Sep 21 05:11:34.858 INFO kablam! warning: unused variable: `a`
Sep 21 05:11:34.858 INFO kablam!    --> src/lib.rs:489:34
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.858 INFO kablam! 489 |                              let a = *x + 3;
Sep 21 05:11:34.858 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 21 05:11:34.858 INFO kablam! 
Sep 21 05:11:34.858 INFO kablam! warning: unused variable: `y`
Sep 21 05:11:34.858 INFO kablam!    --> src/lib.rs:506:34
Sep 21 05:11:34.858 INFO kablam!     |
Sep 21 05:11:34.859 INFO kablam! 506 |                              for y in vs.iter();
Sep 21 05:11:34.859 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 21 05:11:34.859 INFO kablam! 
Sep 21 05:11:34.859 INFO kablam! warning: unused variable: `x`
Sep 21 05:11:34.859 INFO kablam!    --> src/lib.rs:522:34
Sep 21 05:11:34.859 INFO kablam!     |
Sep 21 05:11:34.859 INFO kablam! 522 |                              let x = *x + 1;
Sep 21 05:11:34.859 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 21 05:11:34.859 INFO kablam! 
Sep 21 05:11:34.948 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Sep 21 05:11:34.950 INFO kablam! su: No module specific data is present
Sep 21 05:11:35.672 INFO running `"docker" "rm" "-f" "7015a51941ed84897b6723675422fda484a2c31d320ed01bf0008fd2aed6558d"`
Sep 21 05:11:35.805 INFO blam! 7015a51941ed84897b6723675422fda484a2c31d320ed01bf0008fd2aed6558d