Aug 31 17:21:15.449 INFO checking rbtree-0.1.5 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 17:21:15.449 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 17:21:15.450 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 17:21:15.709 INFO blam! 46579aba6911ffc9023cef4378a96a81a4037f8d41253e89b57c0829e4543ec4
Aug 31 17:21:15.712 INFO running `"docker" "start" "-a" "46579aba6911ffc9023cef4378a96a81a4037f8d41253e89b57c0829e4543ec4"`
Aug 31 17:21:16.349 INFO kablam!     Checking rbtree v0.1.5 (file:///source)
Aug 31 17:21:16.770 INFO kablam! warning: unused import: `super::RBTree`
Aug 31 17:21:16.770 INFO kablam!     --> src/lib.rs:1404:9
Aug 31 17:21:16.770 INFO kablam!      |
Aug 31 17:21:16.770 INFO kablam! 1404 |     use super::RBTree;
Aug 31 17:21:16.770 INFO kablam!      |         ^^^^^^^^^^^^^
Aug 31 17:21:16.770 INFO kablam!      |
Aug 31 17:21:16.770 INFO kablam!      = note: #[warn(unused_imports)] on by default
Aug 31 17:21:16.770 INFO kablam! 
Aug 31 17:21:18.225 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Aug 31 17:21:18.227 INFO kablam! su: No module specific data is present
Aug 31 17:21:18.654 INFO running `"docker" "rm" "-f" "46579aba6911ffc9023cef4378a96a81a4037f8d41253e89b57c0829e4543ec4"`
Aug 31 17:21:18.744 INFO blam! 46579aba6911ffc9023cef4378a96a81a4037f8d41253e89b57c0829e4543ec4