Sep 01 10:03:06.412 INFO checking rbtree-0.1.5 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 10:03:06.412 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 10:03:06.413 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:03:06.604 INFO blam! fe61966c2ef7b32898bba953fad1b7cd242cf338b271fbbcb33e4f204f0a557e
Sep 01 10:03:06.606 INFO running `"docker" "start" "-a" "fe61966c2ef7b32898bba953fad1b7cd242cf338b271fbbcb33e4f204f0a557e"`
Sep 01 10:03:07.378 INFO kablam!     Checking rbtree v0.1.5 (file:///source)
Sep 01 10:03:07.709 INFO kablam! warning: unused import: `super::RBTree`
Sep 01 10:03:07.709 INFO kablam!     --> src/lib.rs:1404:9
Sep 01 10:03:07.709 INFO kablam!      |
Sep 01 10:03:07.709 INFO kablam! 1404 |     use super::RBTree;
Sep 01 10:03:07.709 INFO kablam!      |         ^^^^^^^^^^^^^
Sep 01 10:03:07.709 INFO kablam!      |
Sep 01 10:03:07.709 INFO kablam!      = note: #[warn(unused_imports)] on by default
Sep 01 10:03:07.709 INFO kablam! 
Sep 01 10:03:08.765 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Sep 01 10:03:08.771 INFO kablam! su: No module specific data is present
Sep 01 10:03:09.262 INFO running `"docker" "rm" "-f" "fe61966c2ef7b32898bba953fad1b7cd242cf338b271fbbcb33e4f204f0a557e"`
Sep 01 10:03:09.384 INFO blam! fe61966c2ef7b32898bba953fad1b7cd242cf338b271fbbcb33e4f204f0a557e