Sep 19 20:13:20.851 INFO checking sig-1.0.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 20:13:20.851 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 20:13:20.851 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:13:20.992 INFO blam! 03d4fd97b5bd81a8f559332e3920c43441732583b41053ca090a41ea88c37b5f
Sep 19 20:13:20.995 INFO running `"docker" "start" "-a" "03d4fd97b5bd81a8f559332e3920c43441732583b41053ca090a41ea88c37b5f"`
Sep 19 20:13:22.309 INFO kablam! usermod: no changes
Sep 19 20:13:22.332 INFO kablam!     Checking sig v1.0.0 (/source)
Sep 19 20:13:22.793 INFO kablam! warning: static variable `signal` should have an upper case name such as `SIGNAL`
Sep 19 20:13:22.793 INFO kablam!   --> examples/winch.rs:11:1
Sep 19 20:13:22.793 INFO kablam!    |
Sep 19 20:13:22.793 INFO kablam! 11 | static mut signal: Option<i32> = None;
Sep 19 20:13:22.793 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 20:13:22.793 INFO kablam!    |
Sep 19 20:13:22.793 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Sep 19 20:13:22.793 INFO kablam! 
Sep 19 20:13:22.857 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Sep 19 20:13:22.860 INFO kablam! su: No module specific data is present
Sep 19 20:13:23.503 INFO running `"docker" "rm" "-f" "03d4fd97b5bd81a8f559332e3920c43441732583b41053ca090a41ea88c37b5f"`
Sep 19 20:13:23.622 INFO blam! 03d4fd97b5bd81a8f559332e3920c43441732583b41053ca090a41ea88c37b5f