Sep 04 06:27:33.685 INFO checking sig-1.0.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 06:27:33.685 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 06:27:33.685 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 06:27:33.858 INFO blam! 3930f264f007bdab9781b942b35204a835332c4a49d3e525d91f2f8e25a44023
Sep 04 06:27:33.860 INFO running `"docker" "start" "-a" "3930f264f007bdab9781b942b35204a835332c4a49d3e525d91f2f8e25a44023"`
Sep 04 06:27:34.551 INFO kablam!     Checking sig v1.0.0 (file:///source)
Sep 04 06:27:35.542 INFO kablam! warning: static variable `signal` should have an upper case name such as `SIGNAL`
Sep 04 06:27:35.543 INFO kablam!   --> examples/winch.rs:11:1
Sep 04 06:27:35.543 INFO kablam!    |
Sep 04 06:27:35.543 INFO kablam! 11 | static mut signal: Option<i32> = None;
Sep 04 06:27:35.543 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 06:27:35.543 INFO kablam!    |
Sep 04 06:27:35.543 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Sep 04 06:27:35.543 INFO kablam! 
Sep 04 06:27:35.645 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Sep 04 06:27:35.648 INFO kablam! su: No module specific data is present
Sep 04 06:27:36.126 INFO running `"docker" "rm" "-f" "3930f264f007bdab9781b942b35204a835332c4a49d3e525d91f2f8e25a44023"`
Sep 04 06:27:36.263 INFO blam! 3930f264f007bdab9781b942b35204a835332c4a49d3e525d91f2f8e25a44023