Oct 13 03:56:31.269 INFO checking Krystex/Chip-8 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 03:56:31.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 03:56:31.652 INFO blam! 611c979aa9c7371810030254eedcff2dd66a3e784bbd82b2d98c0abbed31ee9f
Oct 13 03:56:31.652 INFO running `"docker" "start" "-a" "611c979aa9c7371810030254eedcff2dd66a3e784bbd82b2d98c0abbed31ee9f"`
Oct 13 03:56:33.328 INFO kablam! usermod: no changes
Oct 13 03:56:33.420 INFO kablam!     Checking chip-8 v0.1.0 (/source)
Oct 13 03:56:34.602 INFO kablam! warning: unreachable statement
Oct 13 03:56:34.602 INFO kablam!   --> src/main.rs:87:3
Oct 13 03:56:34.603 INFO kablam!    |
Oct 13 03:56:34.603 INFO kablam! 87 |         return 0;
Oct 13 03:56:34.603 INFO kablam!    |         ^^^^^^^^^
Oct 13 03:56:34.603 INFO kablam!    |
Oct 13 03:56:34.603 INFO kablam!    = note: #[warn(unreachable_code)] on by default
Oct 13 03:56:34.603 INFO kablam! 
Oct 13 03:56:34.784 INFO kablam! warning: unreachable statement
Oct 13 03:56:34.784 INFO kablam!   --> src/main.rs:87:3
Oct 13 03:56:34.784 INFO kablam!    |
Oct 13 03:56:34.784 INFO kablam! 87 |         return 0;
Oct 13 03:56:34.784 INFO kablam!    |         ^^^^^^^^^
Oct 13 03:56:34.784 INFO kablam!    |
Oct 13 03:56:34.784 INFO kablam!    = note: #[warn(unreachable_code)] on by default
Oct 13 03:56:34.784 INFO kablam! 
Oct 13 03:56:34.795 INFO kablam! warning: unused variable: `y`
Oct 13 03:56:34.795 INFO kablam!    --> src/main.rs:379:11
Oct 13 03:56:34.795 INFO kablam!     |
Oct 13 03:56:34.795 INFO kablam! 379 |             Shr(x, y) => {
Oct 13 03:56:34.795 INFO kablam!     |                    ^ help: consider using `_y` instead
Oct 13 03:56:34.795 INFO kablam!     |
Oct 13 03:56:34.795 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 03:56:34.795 INFO kablam! 
Oct 13 03:56:34.804 INFO kablam! warning: unused variable: `val`
Oct 13 03:56:34.804 INFO kablam!    --> src/main.rs:390:10
Oct 13 03:56:34.804 INFO kablam!     |
Oct 13 03:56:34.804 INFO kablam! 390 |                 let (val, overflowing) = (*self.reg(x)).overflowing_sub(*self.reg(y));
Oct 13 03:56:34.804 INFO kablam!     |                      ^^^ help: consider using `_val` instead
Oct 13 03:56:34.804 INFO kablam! 
Oct 13 03:56:35.108 INFO kablam! warning: unused variable: `y`
Oct 13 03:56:35.108 INFO kablam!    --> src/main.rs:379:11
Oct 13 03:56:35.108 INFO kablam!     |
Oct 13 03:56:35.108 INFO kablam! 379 |             Shr(x, y) => {
Oct 13 03:56:35.108 INFO kablam!     |                    ^ help: consider using `_y` instead
Oct 13 03:56:35.108 INFO kablam!     |
Oct 13 03:56:35.108 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 03:56:35.108 INFO kablam! 
Oct 13 03:56:35.108 INFO kablam! warning: unused variable: `val`
Oct 13 03:56:35.108 INFO kablam!    --> src/main.rs:390:10
Oct 13 03:56:35.108 INFO kablam!     |
Oct 13 03:56:35.108 INFO kablam! 390 |                 let (val, overflowing) = (*self.reg(x)).overflowing_sub(*self.reg(y));
Oct 13 03:56:35.108 INFO kablam!     |                      ^^^ help: consider using `_val` instead
Oct 13 03:56:35.108 INFO kablam! 
Oct 13 03:56:35.256 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Oct 13 03:56:35.257 INFO kablam! su: No module specific data is present
Oct 13 03:56:36.254 INFO running `"docker" "rm" "-f" "611c979aa9c7371810030254eedcff2dd66a3e784bbd82b2d98c0abbed31ee9f"`
Oct 13 03:56:36.522 INFO blam! 611c979aa9c7371810030254eedcff2dd66a3e784bbd82b2d98c0abbed31ee9f