Sep 01 03:04:13.148 INFO checking unicode-normalization-0.1.7 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 03:04:13.148 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 03:04:13.148 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 03:04:13.335 INFO blam! 400435d5672d26bd215f1eab91f21e03cf38385fb5e8ff7f591b8475706380b5
Sep 01 03:04:13.340 INFO running `"docker" "start" "-a" "400435d5672d26bd215f1eab91f21e03cf38385fb5e8ff7f591b8475706380b5"`
Sep 01 03:04:14.122 INFO kablam!     Checking unicode-normalization v0.1.7 (file:///source)
Sep 01 03:04:48.175 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Sep 01 03:04:48.175 INFO kablam!  --> benches/bench.rs:2:12
Sep 01 03:04:48.176 INFO kablam!   |
Sep 01 03:04:48.176 INFO kablam! 2 | #![feature(iterator_step_by)]
Sep 01 03:04:48.176 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 01 03:04:48.176 INFO kablam!   |
Sep 01 03:04:48.176 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 03:04:48.176 INFO kablam! 
Sep 01 03:04:54.352 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 40.24s
Sep 01 03:04:54.354 INFO kablam! su: No module specific data is present
Sep 01 03:04:54.764 INFO running `"docker" "rm" "-f" "400435d5672d26bd215f1eab91f21e03cf38385fb5e8ff7f591b8475706380b5"`
Sep 01 03:04:54.873 INFO blam! 400435d5672d26bd215f1eab91f21e03cf38385fb5e8ff7f591b8475706380b5