Aug 30 23:06:30.028 INFO checking bson-0.10.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 23:06:30.028 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 23:06:30.028 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 23:06:30.232 INFO blam! 60c2a008f00663d7a0ccafcf287f2aeb3512818cc0197c61605e11af049ab2bf
Aug 30 23:06:30.234 INFO running `"docker" "start" "-a" "60c2a008f00663d7a0ccafcf287f2aeb3512818cc0197c61605e11af049ab2bf"`
Aug 30 23:06:31.066 INFO kablam!     Checking bson v0.10.0 (file:///source)
Aug 30 23:06:39.549 INFO kablam! warning: unused variable: `tmp`
Aug 30 23:06:39.549 INFO kablam!  --> examples/test.rs:7:9
Aug 30 23:06:39.549 INFO kablam!   |
Aug 30 23:06:39.549 INFO kablam! 7 |     let tmp = bson::to_bson(&map).unwrap(); 
Aug 30 23:06:39.549 INFO kablam!   |         ^^^ help: consider using `_tmp` instead
Aug 30 23:06:39.549 INFO kablam!   |
Aug 30 23:06:39.549 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 30 23:06:39.549 INFO kablam! 
Aug 30 23:06:40.865 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.92s
Aug 30 23:06:40.881 INFO kablam! su: No module specific data is present
Aug 30 23:06:41.414 INFO running `"docker" "rm" "-f" "60c2a008f00663d7a0ccafcf287f2aeb3512818cc0197c61605e11af049ab2bf"`
Aug 30 23:06:41.512 INFO blam! 60c2a008f00663d7a0ccafcf287f2aeb3512818cc0197c61605e11af049ab2bf