Dec 17 16:55:25.876 INFO checking rmbreak/wolserver against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:55:25.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rmbreak/wolserver:/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 16:55:26.381 INFO [stdout] 759a717c1da21b5b6a932656b3fc999a607ff4cf8fa5e96d8f417eaf00f5aec6
Dec 17 16:55:26.383 INFO running `"docker" "start" "-a" "759a717c1da21b5b6a932656b3fc999a607ff4cf8fa5e96d8f417eaf00f5aec6"`
Dec 17 16:55:28.960 INFO [stderr]     Checking fern v0.5.5
Dec 17 16:55:28.976 INFO [stderr]     Checking redis v0.8.0
Dec 17 16:55:31.530 INFO [stderr]     Checking wolserver v0.1.0 (/opt/crater/workdir)
Dec 17 16:55:33.064 INFO [stderr] warning: method is never used: `check_connection`
Dec 17 16:55:33.064 INFO [stderr]   --> src/database/mod.rs:20:5
Dec 17 16:55:33.064 INFO [stderr]    |
Dec 17 16:55:33.064 INFO [stderr] 20 |     pub fn check_connection(&self) -> bool {
Dec 17 16:55:33.064 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:55:33.064 INFO [stderr]    |
Dec 17 16:55:33.064 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 16:55:33.064 INFO [stderr] 
Dec 17 16:55:33.064 INFO [stderr] warning: method is never used: `rate_limit`
Dec 17 16:55:33.064 INFO [stderr]   --> src/database/mod.rs:24:5
Dec 17 16:55:33.064 INFO [stderr]    |
Dec 17 16:55:33.064 INFO [stderr] 24 |     pub fn rate_limit(&self, ip: &str, rate: usize) -> bool {
Dec 17 16:55:33.064 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:55:33.064 INFO [stderr] 
Dec 17 16:55:33.073 INFO [stderr] warning: method is never used: `check_connection`
Dec 17 16:55:33.073 INFO [stderr]   --> src/database/mod.rs:20:5
Dec 17 16:55:33.073 INFO [stderr]    |
Dec 17 16:55:33.073 INFO [stderr] 20 |     pub fn check_connection(&self) -> bool {
Dec 17 16:55:33.073 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:55:33.073 INFO [stderr]    |
Dec 17 16:55:33.073 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 16:55:33.073 INFO [stderr] 
Dec 17 16:55:33.073 INFO [stderr] warning: method is never used: `rate_limit`
Dec 17 16:55:33.073 INFO [stderr]   --> src/database/mod.rs:24:5
Dec 17 16:55:33.073 INFO [stderr]    |
Dec 17 16:55:33.073 INFO [stderr] 24 |     pub fn rate_limit(&self, ip: &str, rate: usize) -> bool {
Dec 17 16:55:33.073 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:55:33.073 INFO [stderr] 
Dec 17 16:55:33.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
Dec 17 16:55:34.253 INFO running `"docker" "inspect" "759a717c1da21b5b6a932656b3fc999a607ff4cf8fa5e96d8f417eaf00f5aec6"`
Dec 17 16:55:34.558 INFO running `"docker" "rm" "-f" "759a717c1da21b5b6a932656b3fc999a607ff4cf8fa5e96d8f417eaf00f5aec6"`
Dec 17 16:55:34.904 INFO [stdout] 759a717c1da21b5b6a932656b3fc999a607ff4cf8fa5e96d8f417eaf00f5aec6