Sep 19 18:15:49.067 INFO checking sig-1.0.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 18:15:49.067 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 18:15:49.068 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/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 18:15:49.182 INFO blam! ee43b10640ea16c39a56c7e4bf41d14b9cdb721b060487266d55b85211c1160d
Sep 19 18:15:49.184 INFO running `"docker" "start" "-a" "ee43b10640ea16c39a56c7e4bf41d14b9cdb721b060487266d55b85211c1160d"`
Sep 19 18:15:50.235 INFO kablam! usermod: no changes
Sep 19 18:15:50.265 INFO kablam!     Checking sig v1.0.0 (/source)
Sep 19 18:15:50.667 INFO kablam! warning: static variable `signal` should have an upper case name such as `SIGNAL`
Sep 19 18:15:50.667 INFO kablam!   --> examples/winch.rs:11:1
Sep 19 18:15:50.667 INFO kablam!    |
Sep 19 18:15:50.667 INFO kablam! 11 | static mut signal: Option<i32> = None;
Sep 19 18:15:50.667 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:15:50.667 INFO kablam!    |
Sep 19 18:15:50.667 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Sep 19 18:15:50.667 INFO kablam! 
Sep 19 18:15:50.686 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Sep 19 18:15:50.688 INFO kablam! su: No module specific data is present
Sep 19 18:15:51.309 INFO running `"docker" "rm" "-f" "ee43b10640ea16c39a56c7e4bf41d14b9cdb721b060487266d55b85211c1160d"`
Sep 19 18:15:51.362 INFO blam! ee43b10640ea16c39a56c7e4bf41d14b9cdb721b060487266d55b85211c1160d