Sep 10 07:06:16.800 INFO checking unicode-normalization-0.1.7 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 07:06:16.800 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 07:06:16.800 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:06:17.028 INFO blam! 250f0370a4d05694693d19e2193dc4bcff7eeadbaf14dfce1851c61980eaa3fa
Sep 10 07:06:17.030 INFO running `"docker" "start" "-a" "250f0370a4d05694693d19e2193dc4bcff7eeadbaf14dfce1851c61980eaa3fa"`
Sep 10 07:06:17.805 INFO kablam! usermod: no changes
Sep 10 07:06:17.832 INFO kablam!     Checking unicode-normalization v0.1.7 (file:///source)
Sep 10 07:07:03.642 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Sep 10 07:07:03.643 INFO kablam!  --> benches/bench.rs:2:12
Sep 10 07:07:03.643 INFO kablam!   |
Sep 10 07:07:03.643 INFO kablam! 2 | #![feature(iterator_step_by)]
Sep 10 07:07:03.643 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 07:07:03.643 INFO kablam!   |
Sep 10 07:07:03.643 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 07:07:03.643 INFO kablam! 
Sep 10 07:08:42.326 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
Sep 10 07:08:42.326 INFO kablam! su: No module specific data is present
Sep 10 07:08:43.394 INFO running `"docker" "rm" "-f" "250f0370a4d05694693d19e2193dc4bcff7eeadbaf14dfce1851c61980eaa3fa"`
Sep 10 07:08:43.509 INFO blam! 250f0370a4d05694693d19e2193dc4bcff7eeadbaf14dfce1851c61980eaa3fa