Aug 30 22:43:51.963 INFO checking bson-0.13.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 22:43:51.963 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 22:43:51.963 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 22:43:52.141 INFO blam! 5b4097078b09b0110eb0b5f96d3eb973c13fbc7018c3e24a5d382f96bd5d9b27
Aug 30 22:43:52.144 INFO running `"docker" "start" "-a" "5b4097078b09b0110eb0b5f96d3eb973c13fbc7018c3e24a5d382f96bd5d9b27"`
Aug 30 22:43:52.900 INFO kablam!     Checking bson v0.13.0 (file:///source)
Aug 30 22:44:02.658 INFO kablam! warning: unused variable: `tmp`
Aug 30 22:44:02.658 INFO kablam!  --> examples/test.rs:7:9
Aug 30 22:44:02.658 INFO kablam!   |
Aug 30 22:44:02.658 INFO kablam! 7 |     let tmp = bson::to_bson(&map).unwrap();
Aug 30 22:44:02.658 INFO kablam!   |         ^^^ help: consider using `_tmp` instead
Aug 30 22:44:02.658 INFO kablam!   |
Aug 30 22:44:02.658 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 30 22:44:02.658 INFO kablam! 
Aug 30 22:44:05.174 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.37s
Aug 30 22:44:05.189 INFO kablam! su: No module specific data is present
Aug 30 22:44:05.574 INFO running `"docker" "rm" "-f" "5b4097078b09b0110eb0b5f96d3eb973c13fbc7018c3e24a5d382f96bd5d9b27"`
Aug 30 22:44:05.665 INFO blam! 5b4097078b09b0110eb0b5f96d3eb973c13fbc7018c3e24a5d382f96bd5d9b27