Sep 01 06:37:21.103 INFO checking sig-1.0.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 06:37:21.103 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 06:37:21.103 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 06:37:21.272 INFO blam! 245348fdcf67606ab381360de8cf0111db1157fce43373c5af28392f5876fd40
Sep 01 06:37:21.274 INFO running `"docker" "start" "-a" "245348fdcf67606ab381360de8cf0111db1157fce43373c5af28392f5876fd40"`
Sep 01 06:37:21.938 INFO kablam!     Checking sig v1.0.0 (file:///source)
Sep 01 06:37:22.945 INFO kablam! warning: static variable `signal` should have an upper case name such as `SIGNAL`
Sep 01 06:37:22.945 INFO kablam!   --> examples/winch.rs:11:1
Sep 01 06:37:22.945 INFO kablam!    |
Sep 01 06:37:22.945 INFO kablam! 11 | static mut signal: Option<i32> = None;
Sep 01 06:37:22.945 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:37:22.945 INFO kablam!    |
Sep 01 06:37:22.945 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Sep 01 06:37:22.945 INFO kablam! 
Sep 01 06:37:22.956 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Sep 01 06:37:22.960 INFO kablam! su: No module specific data is present
Sep 01 06:37:23.425 INFO running `"docker" "rm" "-f" "245348fdcf67606ab381360de8cf0111db1157fce43373c5af28392f5876fd40"`
Sep 01 06:37:23.565 INFO blam! 245348fdcf67606ab381360de8cf0111db1157fce43373c5af28392f5876fd40