Dec 18 14:18:38.268 INFO checking llrb-0.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:18:38.269 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/reg/llrb/0.0.1:/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 18 14:18:38.676 INFO [stdout] 593e1e27be24de323d79824a769f8f62967916611f1e4acb69f230549666a096
Dec 18 14:18:38.684 INFO running `"docker" "start" "-a" "593e1e27be24de323d79824a769f8f62967916611f1e4acb69f230549666a096"`
Dec 18 14:18:39.896 INFO [stderr]     Checking llrb v0.0.1 (/opt/crater/workdir)
Dec 18 14:18:40.259 INFO [stderr] warning: unused variable: `right_is_red`
Dec 18 14:18:40.259 INFO [stderr]    --> src/lib.rs:288:13
Dec 18 14:18:40.259 INFO [stderr]     |
Dec 18 14:18:40.259 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 18 14:18:40.259 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 18 14:18:40.259 INFO [stderr]     |
Dec 18 14:18:40.259 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 14:18:40.259 INFO [stderr] 
Dec 18 14:18:40.259 INFO [stderr] warning: unused variable: `val`
Dec 18 14:18:40.259 INFO [stderr]    --> src/lib.rs:289:43
Dec 18 14:18:40.259 INFO [stderr]     |
Dec 18 14:18:40.259 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 18 14:18:40.259 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 18 14:18:40.259 INFO [stderr] 
Dec 18 14:18:40.259 INFO [stderr] warning: unused variable: `other`
Dec 18 14:18:40.259 INFO [stderr]    --> src/lib.rs:335:30
Dec 18 14:18:40.259 INFO [stderr]     |
Dec 18 14:18:40.259 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 18 14:18:40.259 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 18 14:18:40.259 INFO [stderr] 
Dec 18 14:18:40.272 INFO [stderr] warning: method is never used: `move_red_right`
Dec 18 14:18:40.272 INFO [stderr]   --> src/lib.rs:92:5
Dec 18 14:18:40.272 INFO [stderr]    |
Dec 18 14:18:40.272 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 18 14:18:40.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:18:40.272 INFO [stderr]    |
Dec 18 14:18:40.272 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 14:18:40.272 INFO [stderr] 
Dec 18 14:18:40.272 INFO [stderr] warning: method is never used: `move_red_left`
Dec 18 14:18:40.272 INFO [stderr]   --> src/lib.rs:94:5
Dec 18 14:18:40.272 INFO [stderr]    |
Dec 18 14:18:40.272 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 18 14:18:40.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:18:40.272 INFO [stderr] 
Dec 18 14:18:40.272 INFO [stderr] warning: method is never used: `min`
Dec 18 14:18:40.272 INFO [stderr]    --> src/lib.rs:303:5
Dec 18 14:18:40.272 INFO [stderr]     |
Dec 18 14:18:40.272 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 18 14:18:40.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:18:40.272 INFO [stderr] 
Dec 18 14:18:40.340 INFO [stderr] warning: unused variable: `right_is_red`
Dec 18 14:18:40.340 INFO [stderr]    --> src/lib.rs:288:13
Dec 18 14:18:40.340 INFO [stderr]     |
Dec 18 14:18:40.340 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 18 14:18:40.340 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 18 14:18:40.340 INFO [stderr]     |
Dec 18 14:18:40.340 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 14:18:40.340 INFO [stderr] 
Dec 18 14:18:40.340 INFO [stderr] warning: unused variable: `val`
Dec 18 14:18:40.340 INFO [stderr]    --> src/lib.rs:289:43
Dec 18 14:18:40.340 INFO [stderr]     |
Dec 18 14:18:40.340 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 18 14:18:40.340 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 18 14:18:40.340 INFO [stderr] 
Dec 18 14:18:40.340 INFO [stderr] warning: unused variable: `other`
Dec 18 14:18:40.340 INFO [stderr]    --> src/lib.rs:335:30
Dec 18 14:18:40.340 INFO [stderr]     |
Dec 18 14:18:40.340 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 18 14:18:40.340 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 18 14:18:40.340 INFO [stderr] 
Dec 18 14:18:40.360 INFO [stderr] warning: method is never used: `move_red_right`
Dec 18 14:18:40.360 INFO [stderr]   --> src/lib.rs:92:5
Dec 18 14:18:40.360 INFO [stderr]    |
Dec 18 14:18:40.360 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 18 14:18:40.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:18:40.360 INFO [stderr]    |
Dec 18 14:18:40.360 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 14:18:40.360 INFO [stderr] 
Dec 18 14:18:40.360 INFO [stderr] warning: method is never used: `move_red_left`
Dec 18 14:18:40.360 INFO [stderr]   --> src/lib.rs:94:5
Dec 18 14:18:40.360 INFO [stderr]    |
Dec 18 14:18:40.360 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 18 14:18:40.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:18:40.360 INFO [stderr] 
Dec 18 14:18:40.360 INFO [stderr] warning: method is never used: `min`
Dec 18 14:18:40.360 INFO [stderr]    --> src/lib.rs:303:5
Dec 18 14:18:40.360 INFO [stderr]     |
Dec 18 14:18:40.360 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 18 14:18:40.360 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:18:40.360 INFO [stderr] 
Dec 18 14:18:40.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 18 14:18:40.956 INFO running `"docker" "inspect" "593e1e27be24de323d79824a769f8f62967916611f1e4acb69f230549666a096"`
Dec 18 14:18:41.278 INFO running `"docker" "rm" "-f" "593e1e27be24de323d79824a769f8f62967916611f1e4acb69f230549666a096"`
Dec 18 14:18:41.521 INFO [stdout] 593e1e27be24de323d79824a769f8f62967916611f1e4acb69f230549666a096