Dec 15 05:44:27.661 INFO testing llrb-0.0.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 05:44:27.662 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 05:44:27.850 INFO [stdout] 2dbcdb2ba89098f4b8ccd0f174b403b84fd93174db0595a148a656aa151e107b
Dec 15 05:44:27.851 INFO running `"docker" "start" "-a" "2dbcdb2ba89098f4b8ccd0f174b403b84fd93174db0595a148a656aa151e107b"`
Dec 15 05:44:28.476 INFO [stderr] usermod: no changes
Dec 15 05:44:28.508 INFO [stderr]    Compiling llrb v0.0.1 (/source)
Dec 15 05:44:28.999 INFO [stderr] warning: unused variable: `right_is_red`
Dec 15 05:44:28.999 INFO [stderr]    --> src/lib.rs:288:13
Dec 15 05:44:28.999 INFO [stderr]     |
Dec 15 05:44:28.999 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 15 05:44:28.999 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 15 05:44:28.999 INFO [stderr]     |
Dec 15 05:44:28.999 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 05:44:28.999 INFO [stderr] 
Dec 15 05:44:28.999 INFO [stderr] warning: unused variable: `val`
Dec 15 05:44:28.999 INFO [stderr]    --> src/lib.rs:289:43
Dec 15 05:44:28.999 INFO [stderr]     |
Dec 15 05:44:28.999 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 15 05:44:28.999 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 15 05:44:28.999 INFO [stderr] 
Dec 15 05:44:28.999 INFO [stderr] warning: unused variable: `other`
Dec 15 05:44:28.999 INFO [stderr]    --> src/lib.rs:335:30
Dec 15 05:44:28.999 INFO [stderr]     |
Dec 15 05:44:28.999 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 15 05:44:28.999 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 15 05:44:28.999 INFO [stderr] 
Dec 15 05:44:29.010 INFO [stderr] warning: method is never used: `move_red_right`
Dec 15 05:44:29.010 INFO [stderr]   --> src/lib.rs:92:5
Dec 15 05:44:29.010 INFO [stderr]    |
Dec 15 05:44:29.011 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 15 05:44:29.011 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 05:44:29.011 INFO [stderr]    |
Dec 15 05:44:29.011 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 05:44:29.011 INFO [stderr] 
Dec 15 05:44:29.011 INFO [stderr] warning: method is never used: `move_red_left`
Dec 15 05:44:29.011 INFO [stderr]   --> src/lib.rs:94:5
Dec 15 05:44:29.011 INFO [stderr]    |
Dec 15 05:44:29.011 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 15 05:44:29.011 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 05:44:29.011 INFO [stderr] 
Dec 15 05:44:29.011 INFO [stderr] warning: method is never used: `min`
Dec 15 05:44:29.011 INFO [stderr]    --> src/lib.rs:303:5
Dec 15 05:44:29.011 INFO [stderr]     |
Dec 15 05:44:29.011 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 15 05:44:29.011 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 05:44:29.011 INFO [stderr] 
Dec 15 05:44:29.052 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 15 05:44:29.054 INFO [stderr] su: No module specific data is present
Dec 15 05:44:29.434 INFO running `"docker" "inspect" "2dbcdb2ba89098f4b8ccd0f174b403b84fd93174db0595a148a656aa151e107b"`
Dec 15 05:44:29.532 INFO running `"docker" "rm" "-f" "2dbcdb2ba89098f4b8ccd0f174b403b84fd93174db0595a148a656aa151e107b"`
Dec 15 05:44:29.658 INFO [stdout] 2dbcdb2ba89098f4b8ccd0f174b403b84fd93174db0595a148a656aa151e107b
Dec 15 05:44:29.660 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 15 05:44:29.870 INFO [stdout] 99527f4c88987ce881f5e314a1052595b2488f4329ce41422b4e9779bc045678
Dec 15 05:44:29.872 INFO running `"docker" "start" "-a" "99527f4c88987ce881f5e314a1052595b2488f4329ce41422b4e9779bc045678"`
Dec 15 05:44:30.350 INFO [stderr] usermod: no changes
Dec 15 05:44:30.387 INFO [stderr]    Compiling llrb v0.0.1 (/source)
Dec 15 05:44:30.918 INFO [stderr] warning: unused variable: `right_is_red`
Dec 15 05:44:30.918 INFO [stderr]    --> src/lib.rs:288:13
Dec 15 05:44:30.918 INFO [stderr]     |
Dec 15 05:44:30.918 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 15 05:44:30.918 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 15 05:44:30.918 INFO [stderr]     |
Dec 15 05:44:30.918 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 05:44:30.918 INFO [stderr] 
Dec 15 05:44:30.918 INFO [stderr] warning: unused variable: `val`
Dec 15 05:44:30.918 INFO [stderr]    --> src/lib.rs:289:43
Dec 15 05:44:30.918 INFO [stderr]     |
Dec 15 05:44:30.918 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 15 05:44:30.918 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 15 05:44:30.918 INFO [stderr] 
Dec 15 05:44:30.919 INFO [stderr] warning: unused variable: `other`
Dec 15 05:44:30.919 INFO [stderr]    --> src/lib.rs:335:30
Dec 15 05:44:30.919 INFO [stderr]     |
Dec 15 05:44:30.919 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 15 05:44:30.919 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 15 05:44:30.919 INFO [stderr] 
Dec 15 05:44:30.929 INFO [stderr] warning: method is never used: `move_red_right`
Dec 15 05:44:30.929 INFO [stderr]   --> src/lib.rs:92:5
Dec 15 05:44:30.929 INFO [stderr]    |
Dec 15 05:44:30.929 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 15 05:44:30.929 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 05:44:30.929 INFO [stderr]    |
Dec 15 05:44:30.929 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 05:44:30.929 INFO [stderr] 
Dec 15 05:44:30.929 INFO [stderr] warning: method is never used: `move_red_left`
Dec 15 05:44:30.929 INFO [stderr]   --> src/lib.rs:94:5
Dec 15 05:44:30.929 INFO [stderr]    |
Dec 15 05:44:30.929 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 15 05:44:30.929 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 05:44:30.929 INFO [stderr] 
Dec 15 05:44:30.929 INFO [stderr] warning: method is never used: `min`
Dec 15 05:44:30.929 INFO [stderr]    --> src/lib.rs:303:5
Dec 15 05:44:30.929 INFO [stderr]     |
Dec 15 05:44:30.929 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 15 05:44:30.929 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 05:44:30.929 INFO [stderr] 
Dec 15 05:44:31.105 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 15 05:44:31.108 INFO [stderr] su: No module specific data is present
Dec 15 05:44:31.516 INFO running `"docker" "inspect" "99527f4c88987ce881f5e314a1052595b2488f4329ce41422b4e9779bc045678"`
Dec 15 05:44:31.667 INFO running `"docker" "rm" "-f" "99527f4c88987ce881f5e314a1052595b2488f4329ce41422b4e9779bc045678"`
Dec 15 05:44:31.832 INFO [stdout] 99527f4c88987ce881f5e314a1052595b2488f4329ce41422b4e9779bc045678