Dec 17 23:37:16.495 INFO checking green4free/binary_search_tree against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:37:16.495 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/green4free/binary_search_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:37:17.076 INFO [stdout] dc25afb718ebb8138567e9bce804934993321fddc8568ad24683e4a22631a71a
Dec 17 23:37:17.084 INFO running `"docker" "start" "-a" "dc25afb718ebb8138567e9bce804934993321fddc8568ad24683e4a22631a71a"`
Dec 17 23:37:18.770 INFO [stderr]     Checking binary_search_tree v0.1.0 (/opt/crater/workdir)
Dec 17 23:37:19.076 INFO [stderr] warning: unused variable: `data`
Dec 17 23:37:19.077 INFO [stderr]   --> src/main.rs:39:9
Dec 17 23:37:19.077 INFO [stderr]    |
Dec 17 23:37:19.077 INFO [stderr] 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
Dec 17 23:37:19.078 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Dec 17 23:37:19.078 INFO [stderr]    |
Dec 17 23:37:19.078 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:37:19.078 INFO [stderr] 
Dec 17 23:37:19.078 INFO [stderr] warning: unused variable: `data`
Dec 17 23:37:19.080 INFO [stderr]   --> src/main.rs:46:9
Dec 17 23:37:19.080 INFO [stderr]    |
Dec 17 23:37:19.080 INFO [stderr] 46 |             Cons(data, ref left, ref right) => {
Dec 17 23:37:19.080 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Dec 17 23:37:19.080 INFO [stderr] 
Dec 17 23:37:19.292 INFO [stderr] warning: unused variable: `data`
Dec 17 23:37:19.292 INFO [stderr]   --> src/main.rs:39:9
Dec 17 23:37:19.292 INFO [stderr]    |
Dec 17 23:37:19.292 INFO [stderr] 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
Dec 17 23:37:19.292 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Dec 17 23:37:19.292 INFO [stderr]    |
Dec 17 23:37:19.292 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:37:19.292 INFO [stderr] 
Dec 17 23:37:19.292 INFO [stderr] warning: unused variable: `data`
Dec 17 23:37:19.292 INFO [stderr]   --> src/main.rs:46:9
Dec 17 23:37:19.292 INFO [stderr]    |
Dec 17 23:37:19.292 INFO [stderr] 46 |             Cons(data, ref left, ref right) => {
Dec 17 23:37:19.292 INFO [stderr]    |                  ^^^^ help: consider using `_data` instead
Dec 17 23:37:19.292 INFO [stderr] 
Dec 17 23:37:19.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 17 23:37:20.032 INFO running `"docker" "inspect" "dc25afb718ebb8138567e9bce804934993321fddc8568ad24683e4a22631a71a"`
Dec 17 23:37:20.304 INFO running `"docker" "rm" "-f" "dc25afb718ebb8138567e9bce804934993321fddc8568ad24683e4a22631a71a"`
Dec 17 23:37:20.667 INFO [stdout] dc25afb718ebb8138567e9bce804934993321fddc8568ad24683e4a22631a71a