Sep 19 20:25:59.260 INFO checking r4-1.0.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 20:25:59.260 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 20:25:59.260 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:25:59.403 INFO blam! a7353f73093e2f5e1a25663548909d7e9710a2282812dd1e2d487d9a4a6ccf8f
Sep 19 20:25:59.409 INFO running `"docker" "start" "-a" "a7353f73093e2f5e1a25663548909d7e9710a2282812dd1e2d487d9a4a6ccf8f"`
Sep 19 20:26:00.277 INFO kablam! usermod: no changes
Sep 19 20:26:00.297 INFO kablam!     Checking r4 v1.0.1 (/source)
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `i`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:407:34
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam! 407 |                     iterate![for i in 0..4;
Sep 19 20:26:00.679 INFO kablam!     |                                  ^ help: consider using `_i` instead
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 19 20:26:00.679 INFO kablam! 
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `x`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:433:34
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam! 433 |                     iterate![for x in vs.iter();
Sep 19 20:26:00.679 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 19 20:26:00.679 INFO kablam! 
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `x`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:443:34
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam! 443 |                     iterate![for x in vs.iter();
Sep 19 20:26:00.679 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 19 20:26:00.679 INFO kablam! 
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `a`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:474:34
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam! 474 |                              let a = *x + 3;
Sep 19 20:26:00.679 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 19 20:26:00.679 INFO kablam! 
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `a`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:489:34
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam! 489 |                              let a = *x + 3;
Sep 19 20:26:00.679 INFO kablam!     |                                  ^ help: consider using `_a` instead
Sep 19 20:26:00.679 INFO kablam! 
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `y`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:506:34
Sep 19 20:26:00.679 INFO kablam!     |
Sep 19 20:26:00.679 INFO kablam! 506 |                              for y in vs.iter();
Sep 19 20:26:00.679 INFO kablam!     |                                  ^ help: consider using `_y` instead
Sep 19 20:26:00.679 INFO kablam! 
Sep 19 20:26:00.679 INFO kablam! warning: unused variable: `x`
Sep 19 20:26:00.679 INFO kablam!    --> src/lib.rs:522:34
Sep 19 20:26:00.680 INFO kablam!     |
Sep 19 20:26:00.680 INFO kablam! 522 |                              let x = *x + 1;
Sep 19 20:26:00.680 INFO kablam!     |                                  ^ help: consider using `_x` instead
Sep 19 20:26:00.680 INFO kablam! 
Sep 19 20:26:00.776 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Sep 19 20:26:00.785 INFO kablam! su: No module specific data is present
Sep 19 20:26:01.321 INFO running `"docker" "rm" "-f" "a7353f73093e2f5e1a25663548909d7e9710a2282812dd1e2d487d9a4a6ccf8f"`
Sep 19 20:26:01.551 INFO blam! a7353f73093e2f5e1a25663548909d7e9710a2282812dd1e2d487d9a4a6ccf8f