Aug 11 06:48:51.368 INFO checking pairlock-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 06:48:51.368 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 06:48:51.368 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 06:48:51.368 INFO running `"docker" "create" "-v" "/tmp/crater.YuEr5Ryb5YvO:/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 11 06:48:51.555 INFO blam! a21de2092bff22247d4331b3c85be250e7d85936d8796fc21b1495775490c69a
Aug 11 06:48:51.557 INFO running `"docker" "start" "-a" "a21de2092bff22247d4331b3c85be250e7d85936d8796fc21b1495775490c69a"`
Aug 11 06:48:52.532 INFO kablam!     Checking pairlock v0.1.0 (file:///source)
Aug 11 06:48:53.700 INFO kablam! warning: unused import: `black_box`
Aug 11 06:48:53.700 INFO kablam!  --> benches/race_detection.rs:3:21
Aug 11 06:48:53.700 INFO kablam!   |
Aug 11 06:48:53.700 INFO kablam! 3 | use test::{Bencher, black_box};
Aug 11 06:48:53.700 INFO kablam!   |                     ^^^^^^^^^
Aug 11 06:48:53.700 INFO kablam!   |
Aug 11 06:48:53.700 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 11 06:48:53.700 INFO kablam! 
Aug 11 06:48:54.553 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Aug 11 06:48:54.569 INFO kablam! su: No module specific data is present
Aug 11 06:48:55.237 INFO running `"docker" "rm" "-f" "a21de2092bff22247d4331b3c85be250e7d85936d8796fc21b1495775490c69a"`
Aug 11 06:48:55.339 INFO blam! a21de2092bff22247d4331b3c85be250e7d85936d8796fc21b1495775490c69a