Sep 20 04:16:05.796 INFO checking bson-0.10.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 04:16:05.796 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 04:16:05.796 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:16:05.986 INFO blam! 4c14e729674be3b476ca003c632e5dc9f06f261733c09376212b17784ae85b14
Sep 20 04:16:05.992 INFO running `"docker" "start" "-a" "4c14e729674be3b476ca003c632e5dc9f06f261733c09376212b17784ae85b14"`
Sep 20 04:16:07.023 INFO kablam! usermod: no changes
Sep 20 04:16:07.155 INFO kablam!     Checking bson v0.10.0 (/source)
Sep 20 04:16:12.079 INFO kablam! warning: unused variable: `tmp`
Sep 20 04:16:12.079 INFO kablam!  --> examples/test.rs:7:9
Sep 20 04:16:12.079 INFO kablam!   |
Sep 20 04:16:12.079 INFO kablam! 7 |     let tmp = bson::to_bson(&map).unwrap(); 
Sep 20 04:16:12.079 INFO kablam!   |         ^^^ help: consider using `_tmp` instead
Sep 20 04:16:12.079 INFO kablam!   |
Sep 20 04:16:12.079 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 20 04:16:12.079 INFO kablam! 
Sep 20 04:16:12.322 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
Sep 20 04:16:12.330 INFO kablam! su: No module specific data is present
Sep 20 04:16:12.939 INFO running `"docker" "rm" "-f" "4c14e729674be3b476ca003c632e5dc9f06f261733c09376212b17784ae85b14"`
Sep 20 04:16:13.036 INFO blam! 4c14e729674be3b476ca003c632e5dc9f06f261733c09376212b17784ae85b14