Dec 12 11:53:31.373 INFO checking llrb-0.0.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:53:31.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 11:53:31.792 INFO [stdout] 52bc7d50d6de52cffb2abca5ca1e9037d9bc431497014c60c311195d4d77a267
Dec 12 11:53:31.800 INFO running `"docker" "start" "-a" "52bc7d50d6de52cffb2abca5ca1e9037d9bc431497014c60c311195d4d77a267"`
Dec 12 11:53:32.792 INFO [stderr] usermod: no changes
Dec 12 11:53:32.849 INFO [stderr]     Checking llrb v0.0.1 (/source)
Dec 12 11:53:33.824 INFO [stderr] warning: unused variable: `right_is_red`
Dec 12 11:53:33.824 INFO [stderr]    --> src/lib.rs:288:13
Dec 12 11:53:33.824 INFO [stderr]     |
Dec 12 11:53:33.824 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 12 11:53:33.824 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 12 11:53:33.824 INFO [stderr]     |
Dec 12 11:53:33.824 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 11:53:33.824 INFO [stderr] 
Dec 12 11:53:33.824 INFO [stderr] warning: unused variable: `val`
Dec 12 11:53:33.824 INFO [stderr]    --> src/lib.rs:289:43
Dec 12 11:53:33.824 INFO [stderr]     |
Dec 12 11:53:33.824 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 12 11:53:33.824 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 12 11:53:33.824 INFO [stderr] 
Dec 12 11:53:33.824 INFO [stderr] warning: unused variable: `other`
Dec 12 11:53:33.824 INFO [stderr]    --> src/lib.rs:335:30
Dec 12 11:53:33.824 INFO [stderr]     |
Dec 12 11:53:33.824 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 12 11:53:33.824 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 12 11:53:33.824 INFO [stderr] 
Dec 12 11:53:33.864 INFO [stderr] warning: method is never used: `move_red_right`
Dec 12 11:53:33.864 INFO [stderr]   --> src/lib.rs:92:5
Dec 12 11:53:33.864 INFO [stderr]    |
Dec 12 11:53:33.864 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 12 11:53:33.864 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:53:33.864 INFO [stderr]    |
Dec 12 11:53:33.864 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 11:53:33.864 INFO [stderr] 
Dec 12 11:53:33.864 INFO [stderr] warning: method is never used: `move_red_left`
Dec 12 11:53:33.864 INFO [stderr]   --> src/lib.rs:94:5
Dec 12 11:53:33.864 INFO [stderr]    |
Dec 12 11:53:33.864 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 12 11:53:33.864 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:53:33.864 INFO [stderr] 
Dec 12 11:53:33.864 INFO [stderr] warning: method is never used: `min`
Dec 12 11:53:33.864 INFO [stderr]    --> src/lib.rs:303:5
Dec 12 11:53:33.864 INFO [stderr]     |
Dec 12 11:53:33.864 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 12 11:53:33.864 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:53:33.864 INFO [stderr] 
Dec 12 11:53:34.008 INFO [stderr] warning: unused variable: `right_is_red`
Dec 12 11:53:34.008 INFO [stderr]    --> src/lib.rs:288:13
Dec 12 11:53:34.008 INFO [stderr]     |
Dec 12 11:53:34.008 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 12 11:53:34.008 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 12 11:53:34.008 INFO [stderr]     |
Dec 12 11:53:34.008 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 11:53:34.008 INFO [stderr] 
Dec 12 11:53:34.008 INFO [stderr] warning: unused variable: `val`
Dec 12 11:53:34.008 INFO [stderr]    --> src/lib.rs:289:43
Dec 12 11:53:34.008 INFO [stderr]     |
Dec 12 11:53:34.008 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 12 11:53:34.008 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 12 11:53:34.008 INFO [stderr] 
Dec 12 11:53:34.008 INFO [stderr] warning: unused variable: `other`
Dec 12 11:53:34.008 INFO [stderr]    --> src/lib.rs:335:30
Dec 12 11:53:34.008 INFO [stderr]     |
Dec 12 11:53:34.008 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 12 11:53:34.008 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 12 11:53:34.008 INFO [stderr] 
Dec 12 11:53:34.024 INFO [stderr] warning: method is never used: `move_red_right`
Dec 12 11:53:34.024 INFO [stderr]   --> src/lib.rs:92:5
Dec 12 11:53:34.024 INFO [stderr]    |
Dec 12 11:53:34.024 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 12 11:53:34.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:53:34.024 INFO [stderr]    |
Dec 12 11:53:34.024 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 11:53:34.024 INFO [stderr] 
Dec 12 11:53:34.024 INFO [stderr] warning: method is never used: `move_red_left`
Dec 12 11:53:34.024 INFO [stderr]   --> src/lib.rs:94:5
Dec 12 11:53:34.024 INFO [stderr]    |
Dec 12 11:53:34.024 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 12 11:53:34.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:53:34.024 INFO [stderr] 
Dec 12 11:53:34.024 INFO [stderr] warning: method is never used: `min`
Dec 12 11:53:34.024 INFO [stderr]    --> src/lib.rs:303:5
Dec 12 11:53:34.024 INFO [stderr]     |
Dec 12 11:53:34.024 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 12 11:53:34.024 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:53:34.024 INFO [stderr] 
Dec 12 11:53:34.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 12 11:53:34.068 INFO [stderr] su: No module specific data is present
Dec 12 11:53:34.748 INFO running `"docker" "inspect" "52bc7d50d6de52cffb2abca5ca1e9037d9bc431497014c60c311195d4d77a267"`
Dec 12 11:53:35.066 INFO running `"docker" "rm" "-f" "52bc7d50d6de52cffb2abca5ca1e9037d9bc431497014c60c311195d4d77a267"`
Dec 12 11:53:35.416 INFO [stdout] 52bc7d50d6de52cffb2abca5ca1e9037d9bc431497014c60c311195d4d77a267