Sep 03 23:55:45.670 INFO checking tt-num-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 23:55:45.670 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 23:55:45.671 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:55:45.877 INFO blam! 7d2991bb6fda97126dfa91706780ce4875b94af477a30f05905cdc8e725c3d64
Sep 03 23:55:45.880 INFO running `"docker" "start" "-a" "7d2991bb6fda97126dfa91706780ce4875b94af477a30f05905cdc8e725c3d64"`
Sep 03 23:55:46.500 INFO kablam!     Checking tt-call v1.0.2
Sep 03 23:55:46.889 INFO kablam!     Checking tt-num v0.1.0 (file:///source)
Sep 03 23:55:47.734 INFO kablam! warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 03 23:55:47.734 INFO kablam!  --> examples/times.rs:1:12
Sep 03 23:55:47.734 INFO kablam!   |
Sep 03 23:55:47.734 INFO kablam! 1 | #![feature(use_extern_macros)]
Sep 03 23:55:47.734 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 03 23:55:47.734 INFO kablam!   |
Sep 03 23:55:47.734 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 03 23:55:47.734 INFO kablam! 
Sep 03 23:55:47.749 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Sep 03 23:55:47.751 INFO kablam! su: No module specific data is present
Sep 03 23:55:48.182 INFO running `"docker" "rm" "-f" "7d2991bb6fda97126dfa91706780ce4875b94af477a30f05905cdc8e725c3d64"`
Sep 03 23:55:48.308 INFO blam! 7d2991bb6fda97126dfa91706780ce4875b94af477a30f05905cdc8e725c3d64