Aug 31 10:03:19.601 INFO checking unicode-normalization-0.1.7 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 10:03:19.601 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 10:03:19.601 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 10:03:19.769 INFO blam! ab5c4aeaa92ac369e4bf45ee7539db068a7ae1daf9714ed72536318f618ec608
Aug 31 10:03:19.771 INFO running `"docker" "start" "-a" "ab5c4aeaa92ac369e4bf45ee7539db068a7ae1daf9714ed72536318f618ec608"`
Aug 31 10:03:20.451 INFO kablam!     Checking unicode-normalization v0.1.7 (file:///source)
Aug 31 10:03:53.130 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 31 10:03:53.130 INFO kablam!  --> benches/bench.rs:2:12
Aug 31 10:03:53.130 INFO kablam!   |
Aug 31 10:03:53.130 INFO kablam! 2 | #![feature(iterator_step_by)]
Aug 31 10:03:53.130 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Aug 31 10:03:53.130 INFO kablam!   |
Aug 31 10:03:53.130 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 10:03:53.130 INFO kablam! 
Aug 31 10:03:53.839 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.40s
Aug 31 10:03:53.843 INFO kablam! su: No module specific data is present
Aug 31 10:03:54.215 INFO running `"docker" "rm" "-f" "ab5c4aeaa92ac369e4bf45ee7539db068a7ae1daf9714ed72536318f618ec608"`
Aug 31 10:03:54.315 INFO blam! ab5c4aeaa92ac369e4bf45ee7539db068a7ae1daf9714ed72536318f618ec608