Sep 14 07:08:24.899 INFO checking unicode-normalization-0.1.7 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 07:08:24.899 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 07:08:24.899 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 07:08:25.028 INFO blam! 73fb58e36397174a36ea0012f806c2bf44c90172196891f4f7061dabe1befa72
Sep 14 07:08:25.029 INFO running `"docker" "start" "-a" "73fb58e36397174a36ea0012f806c2bf44c90172196891f4f7061dabe1befa72"`
Sep 14 07:08:26.022 INFO kablam! usermod: no changes
Sep 14 07:08:26.051 INFO kablam!     Checking unicode-normalization v0.1.7 (file:///source)
Sep 14 07:08:56.236 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Sep 14 07:08:56.236 INFO kablam!  --> benches/bench.rs:2:12
Sep 14 07:08:56.236 INFO kablam!   |
Sep 14 07:08:56.236 INFO kablam! 2 | #![feature(iterator_step_by)]
Sep 14 07:08:56.236 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 14 07:08:56.236 INFO kablam!   |
Sep 14 07:08:56.236 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 14 07:08:56.236 INFO kablam! 
Sep 14 07:08:59.855 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.81s
Sep 14 07:08:59.859 INFO kablam! su: No module specific data is present
Sep 14 07:09:00.711 INFO running `"docker" "rm" "-f" "73fb58e36397174a36ea0012f806c2bf44c90172196891f4f7061dabe1befa72"`
Sep 14 07:09:00.919 INFO blam! 73fb58e36397174a36ea0012f806c2bf44c90172196891f4f7061dabe1befa72