Sep 01 03:27:12.197 INFO checking tt-num-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 03:27:12.197 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 03:27:12.197 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 03:27:12.452 INFO blam! cddf244bad8ad9c96e1166120611386ea3af130079db973f8b23b7cc364afc34
Sep 01 03:27:12.453 INFO running `"docker" "start" "-a" "cddf244bad8ad9c96e1166120611386ea3af130079db973f8b23b7cc364afc34"`
Sep 01 03:27:13.196 INFO kablam!     Checking tt-call v1.0.2
Sep 01 03:27:13.569 INFO kablam!     Checking tt-num v0.1.0 (file:///source)
Sep 01 03:27:14.432 INFO kablam! warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 01 03:27:14.432 INFO kablam!  --> examples/times.rs:1:12
Sep 01 03:27:14.432 INFO kablam!   |
Sep 01 03:27:14.432 INFO kablam! 1 | #![feature(use_extern_macros)]
Sep 01 03:27:14.432 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 01 03:27:14.432 INFO kablam!   |
Sep 01 03:27:14.432 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 03:27:14.432 INFO kablam! 
Sep 01 03:27:14.453 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Sep 01 03:27:14.459 INFO kablam! su: No module specific data is present
Sep 01 03:27:15.003 INFO running `"docker" "rm" "-f" "cddf244bad8ad9c96e1166120611386ea3af130079db973f8b23b7cc364afc34"`
Sep 01 03:27:15.154 INFO blam! cddf244bad8ad9c96e1166120611386ea3af130079db973f8b23b7cc364afc34