Sep 20 05:55:34.402 INFO checking bson-0.10.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 05:55:34.402 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 05:55:34.402 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:55:34.565 INFO blam! bed34640fe9c5f736336f23f9aee43cbc6f42bb0fa5265f83e7e00ec6fd358f5
Sep 20 05:55:34.567 INFO running `"docker" "start" "-a" "bed34640fe9c5f736336f23f9aee43cbc6f42bb0fa5265f83e7e00ec6fd358f5"`
Sep 20 05:55:35.560 INFO kablam! usermod: no changes
Sep 20 05:55:35.653 INFO kablam!     Checking bson v0.10.0 (/source)
Sep 20 05:55:40.056 INFO kablam! warning: unused variable: `tmp`
Sep 20 05:55:40.056 INFO kablam!  --> examples/test.rs:7:9
Sep 20 05:55:40.056 INFO kablam!   |
Sep 20 05:55:40.056 INFO kablam! 7 |     let tmp = bson::to_bson(&map).unwrap(); 
Sep 20 05:55:40.056 INFO kablam!   |         ^^^ help: consider using `_tmp` instead
Sep 20 05:55:40.056 INFO kablam!   |
Sep 20 05:55:40.056 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 20 05:55:40.056 INFO kablam! 
Sep 20 05:55:41.396 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
Sep 20 05:55:41.406 INFO kablam! su: No module specific data is present
Sep 20 05:55:42.107 INFO running `"docker" "rm" "-f" "bed34640fe9c5f736336f23f9aee43cbc6f42bb0fa5265f83e7e00ec6fd358f5"`
Sep 20 05:55:42.158 INFO blam! bed34640fe9c5f736336f23f9aee43cbc6f42bb0fa5265f83e7e00ec6fd358f5