Sep 20 05:55:34.282 INFO checking bson-0.13.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 05:55:34.282 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 05:55:34.282 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/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 05:55:34.435 INFO blam! 6efe0455645528bd87449723058d5ea5b805b5122535b36954813e5fe856409f
Sep 20 05:55:34.437 INFO running `"docker" "start" "-a" "6efe0455645528bd87449723058d5ea5b805b5122535b36954813e5fe856409f"`
Sep 20 05:55:35.164 INFO kablam! usermod: no changes
Sep 20 05:55:35.230 INFO kablam!     Checking try_from v0.2.2
Sep 20 05:55:35.579 INFO kablam!     Checking bson v0.13.0 (/source)
Sep 20 05:55:40.704 INFO kablam! warning: unused variable: `tmp`
Sep 20 05:55:40.704 INFO kablam!  --> examples/test.rs:7:9
Sep 20 05:55:40.704 INFO kablam!   |
Sep 20 05:55:40.704 INFO kablam! 7 |     let tmp = bson::to_bson(&map).unwrap();
Sep 20 05:55:40.704 INFO kablam!   |         ^^^ help: consider using `_tmp` instead
Sep 20 05:55:40.704 INFO kablam!   |
Sep 20 05:55:40.704 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 20 05:55:40.704 INFO kablam! 
Sep 20 05:55:41.474 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
Sep 20 05:55:41.482 INFO kablam! su: No module specific data is present
Sep 20 05:55:42.206 INFO running `"docker" "rm" "-f" "6efe0455645528bd87449723058d5ea5b805b5122535b36954813e5fe856409f"`
Sep 20 05:55:42.257 INFO blam! 6efe0455645528bd87449723058d5ea5b805b5122535b36954813e5fe856409f