Aug 10 23:05:37.439 INFO checking unicode-normalization-0.1.7 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 23:05:37.439 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:05:37.439 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:05:37.439 INFO running `"docker" "create" "-v" "/tmp/crater.l1kcQCjnEKDP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 23:05:37.690 INFO blam! 197fa34bab9546ed83706a45332cb79064030abf20130b3af73d189b075029db
Aug 10 23:05:37.690 INFO running `"docker" "start" "-a" "197fa34bab9546ed83706a45332cb79064030abf20130b3af73d189b075029db"`
Aug 10 23:05:38.525 INFO kablam!     Checking unicode-normalization v0.1.7 (file:///source)
Aug 10 23:06:27.635 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 10 23:06:27.636 INFO kablam!  --> benches/bench.rs:2:12
Aug 10 23:06:27.636 INFO kablam!   |
Aug 10 23:06:27.636 INFO kablam! 2 | #![feature(iterator_step_by)]
Aug 10 23:06:27.636 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Aug 10 23:06:27.636 INFO kablam!   |
Aug 10 23:06:27.636 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 10 23:06:27.636 INFO kablam! 
Aug 10 23:06:36.716 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 58.21s
Aug 10 23:06:36.734 INFO kablam! su: No module specific data is present
Aug 10 23:06:37.323 INFO running `"docker" "rm" "-f" "197fa34bab9546ed83706a45332cb79064030abf20130b3af73d189b075029db"`
Aug 10 23:06:37.532 INFO blam! 197fa34bab9546ed83706a45332cb79064030abf20130b3af73d189b075029db