Aug 02 13:46:53.916 INFO checking bson-0.10.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:46:53.916 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:46:53.916 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:46:53.916 INFO running `"docker" "create" "-v" "/tmp/crater.ODmOLMqWXtW7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 13:46:54.095 INFO blam! 992b132c2056c7151cfb41104049c980a5c64b0fddaf7c77e94f7d561b41c8e3
Aug 02 13:46:54.097 INFO running `"docker" "start" "-a" "992b132c2056c7151cfb41104049c980a5c64b0fddaf7c77e94f7d561b41c8e3"`
Aug 02 13:46:55.131 INFO kablam!     Checking bson v0.10.0 (file:///source)
Aug 02 13:47:01.043 INFO kablam! warning: unused variable: `tmp`
Aug 02 13:47:01.043 INFO kablam!  --> examples/test.rs:7:9
Aug 02 13:47:01.043 INFO kablam!   |
Aug 02 13:47:01.043 INFO kablam! 7 |     let tmp = bson::to_bson(&map).unwrap(); 
Aug 02 13:47:01.043 INFO kablam!   |         ^^^ help: consider using `_tmp` instead
Aug 02 13:47:01.043 INFO kablam!   |
Aug 02 13:47:01.043 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 02 13:47:01.043 INFO kablam! 
Aug 02 13:47:04.447 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
Aug 02 13:47:04.458 INFO kablam! su: No module specific data is present
Aug 02 13:47:05.083 INFO running `"docker" "rm" "-f" "992b132c2056c7151cfb41104049c980a5c64b0fddaf7c77e94f7d561b41c8e3"`
Aug 02 13:47:05.238 INFO blam! 992b132c2056c7151cfb41104049c980a5c64b0fddaf7c77e94f7d561b41c8e3