Sep 04 03:54:51.830 INFO checking seckey-0.9.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 03:54:51.830 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 03:54:51.830 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 03:54:51.982 INFO blam! b5eecfa984e220cdc9dd4258124944387a4eb9fc876eeeadd3017e207176e4b2
Sep 04 03:54:51.984 INFO running `"docker" "start" "-a" "b5eecfa984e220cdc9dd4258124944387a4eb9fc876eeeadd3017e207176e4b2"`
Sep 04 03:54:52.675 INFO kablam!    Compiling memsec v0.5.4
Sep 04 03:54:53.715 INFO kablam!     Checking seckey v0.9.1 (file:///source)
Sep 04 03:54:55.408 INFO kablam! warning: unnecessary `unsafe` block
Sep 04 03:54:55.408 INFO kablam!   --> benches/zero.rs:14:9
Sep 04 03:54:55.408 INFO kablam!    |
Sep 04 03:54:55.408 INFO kablam! 14 |         unsafe { zero(&mut a) };
Sep 04 03:54:55.408 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 04 03:54:55.408 INFO kablam!    |
Sep 04 03:54:55.408 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Sep 04 03:54:55.408 INFO kablam! 
Sep 04 03:54:55.666 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
Sep 04 03:54:55.671 INFO kablam! su: No module specific data is present
Sep 04 03:54:56.067 INFO running `"docker" "rm" "-f" "b5eecfa984e220cdc9dd4258124944387a4eb9fc876eeeadd3017e207176e4b2"`
Sep 04 03:54:56.168 INFO blam! b5eecfa984e220cdc9dd4258124944387a4eb9fc876eeeadd3017e207176e4b2