Aug 17 13:36:38.445 INFO checking rbtree-0.1.5 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 13:36:38.445 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 13:36:38.445 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 13:36:38.445 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 13:36:38.705 INFO blam! ef84e8c280d2aa50fb1d394dc9b9c523b19ab516f6a989f64997986760671406
Aug 17 13:36:38.708 INFO running `"docker" "start" "-a" "ef84e8c280d2aa50fb1d394dc9b9c523b19ab516f6a989f64997986760671406"`
Aug 17 13:36:39.730 INFO kablam!     Checking rbtree v0.1.5 (file:///source)
Aug 17 13:36:40.371 INFO kablam! warning: unused import: `super::RBTree`
Aug 17 13:36:40.371 INFO kablam!     --> src/lib.rs:1404:9
Aug 17 13:36:40.371 INFO kablam!      |
Aug 17 13:36:40.371 INFO kablam! 1404 |     use super::RBTree;
Aug 17 13:36:40.371 INFO kablam!      |         ^^^^^^^^^^^^^
Aug 17 13:36:40.371 INFO kablam!      |
Aug 17 13:36:40.372 INFO kablam!      = note: #[warn(unused_imports)] on by default
Aug 17 13:36:40.372 INFO kablam! 
Aug 17 13:36:42.871 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
Aug 17 13:36:42.882 INFO kablam! su: No module specific data is present
Aug 17 13:36:43.519 INFO running `"docker" "rm" "-f" "ef84e8c280d2aa50fb1d394dc9b9c523b19ab516f6a989f64997986760671406"`
Aug 17 13:36:43.703 INFO blam! ef84e8c280d2aa50fb1d394dc9b9c523b19ab516f6a989f64997986760671406