Sep 10 12:21:11.025 INFO checking r4-1.0.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:21:11.025 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:21:11.025 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:21:11.199 INFO blam! 3d90e064e728a3f0171880ac5354e5e8dbf354510c4007efe96251e980171660
Sep 10 12:21:11.201 INFO running `"docker" "start" "-a" "3d90e064e728a3f0171880ac5354e5e8dbf354510c4007efe96251e980171660"`
Sep 10 12:21:11.976 INFO kablam! usermod: no changes
Sep 10 12:21:12.011 INFO kablam!     Checking r4 v1.0.1 (file:///source)
Sep 10 12:21:12.571 INFO kablam! warning: unused variable: `i`
Sep 10 12:21:12.571 INFO kablam!    --> src/lib.rs:407:34
Sep 10 12:21:12.571 INFO kablam!     |
Sep 10 12:21:12.571 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.572 INFO kablam! warning: unused variable: `x`
Sep 10 12:21:12.572 INFO kablam!    --> src/lib.rs:433:34
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.572 INFO kablam! warning: unused variable: `x`
Sep 10 12:21:12.572 INFO kablam!    --> src/lib.rs:443:34
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.572 INFO kablam! warning: unused variable: `a`
Sep 10 12:21:12.572 INFO kablam!    --> src/lib.rs:474:34
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam! 474 |                              let a = *x + 3;
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.572 INFO kablam! warning: unused variable: `a`
Sep 10 12:21:12.572 INFO kablam!    --> src/lib.rs:489:34
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam! 489 |                              let a = *x + 3;
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.572 INFO kablam! warning: unused variable: `y`
Sep 10 12:21:12.572 INFO kablam!    --> src/lib.rs:506:34
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam! 506 |                              for y in vs.iter();
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.572 INFO kablam! warning: unused variable: `x`
Sep 10 12:21:12.572 INFO kablam!    --> src/lib.rs:522:34
Sep 10 12:21:12.572 INFO kablam!     |
Sep 10 12:21:12.572 INFO kablam! 522 |                              let x = *x + 1;
Sep 10 12:21:12.572 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 10 12:21:12.572 INFO kablam! 
Sep 10 12:21:12.649 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Sep 10 12:21:12.651 INFO kablam! su: No module specific data is present
Sep 10 12:21:13.246 INFO running `"docker" "rm" "-f" "3d90e064e728a3f0171880ac5354e5e8dbf354510c4007efe96251e980171660"`
Sep 10 12:21:13.321 INFO blam! 3d90e064e728a3f0171880ac5354e5e8dbf354510c4007efe96251e980171660