Sep 02 03:27:18.545 INFO checking rbtree-0.1.5 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 03:27:18.545 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 03:27:18.545 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 03:27:18.751 INFO blam! 83b5d689cc581d0e9a86967e13c6c59cf73498f9d807ec424d3dda6c6209be55
Sep 02 03:27:18.751 INFO running `"docker" "start" "-a" "83b5d689cc581d0e9a86967e13c6c59cf73498f9d807ec424d3dda6c6209be55"`
Sep 02 03:27:19.453 INFO kablam!     Checking rbtree v0.1.5 (file:///source)
Sep 02 03:27:19.951 INFO kablam! warning: unused import: `super::RBTree`
Sep 02 03:27:19.951 INFO kablam!     --> src/lib.rs:1404:9
Sep 02 03:27:19.951 INFO kablam!      |
Sep 02 03:27:19.951 INFO kablam! 1404 |     use super::RBTree;
Sep 02 03:27:19.951 INFO kablam!      |         ^^^^^^^^^^^^^
Sep 02 03:27:19.952 INFO kablam!      |
Sep 02 03:27:19.952 INFO kablam!      = note: #[warn(unused_imports)] on by default
Sep 02 03:27:19.953 INFO kablam! 
Sep 02 03:27:21.444 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
Sep 02 03:27:21.448 INFO kablam! su: No module specific data is present
Sep 02 03:27:21.909 INFO running `"docker" "rm" "-f" "83b5d689cc581d0e9a86967e13c6c59cf73498f9d807ec424d3dda6c6209be55"`
Sep 02 03:27:22.019 INFO blam! 83b5d689cc581d0e9a86967e13c6c59cf73498f9d807ec424d3dda6c6209be55