Dec 12 17:24:02.006 INFO checking bson-0.13.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:24:02.006 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 17:24:02.296 INFO [stdout] 90fde05d2215ccbb552b08846c0347d5577656eed80952856437e1131cb977fb
Dec 12 17:24:02.304 INFO running `"docker" "start" "-a" "90fde05d2215ccbb552b08846c0347d5577656eed80952856437e1131cb977fb"`
Dec 12 17:24:03.222 INFO [stderr] usermod: no changes
Dec 12 17:24:03.448 INFO [stderr]     Checking bson v0.13.0 (/source)
Dec 12 17:24:09.368 INFO [stderr] warning: unused variable: `tmp`
Dec 12 17:24:09.368 INFO [stderr]  --> examples/test.rs:7:9
Dec 12 17:24:09.368 INFO [stderr]   |
Dec 12 17:24:09.368 INFO [stderr] 7 |     let tmp = bson::to_bson(&map).unwrap();
Dec 12 17:24:09.368 INFO [stderr]   |         ^^^ help: consider using `_tmp` instead
Dec 12 17:24:09.368 INFO [stderr]   |
Dec 12 17:24:09.368 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 17:24:09.368 INFO [stderr] 
Dec 12 17:24:11.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.01s
Dec 12 17:24:11.253 INFO [stderr] su: No module specific data is present
Dec 12 17:24:11.597 INFO running `"docker" "inspect" "90fde05d2215ccbb552b08846c0347d5577656eed80952856437e1131cb977fb"`
Dec 12 17:24:11.771 INFO running `"docker" "rm" "-f" "90fde05d2215ccbb552b08846c0347d5577656eed80952856437e1131cb977fb"`
Dec 12 17:24:11.893 INFO [stdout] 90fde05d2215ccbb552b08846c0347d5577656eed80952856437e1131cb977fb