Dec 07 08:13:02.193 INFO testing llrb-0.0.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 08:13:02.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 08:13:02.419 INFO [stdout] 6ecd004ccb797bd128b350e467fcebac5f07b1059f891784ecd61e5c605c46b3
Dec 07 08:13:02.423 INFO running `"docker" "start" "-a" "6ecd004ccb797bd128b350e467fcebac5f07b1059f891784ecd61e5c605c46b3"`
Dec 07 08:13:02.824 INFO [stderr] usermod: no changes
Dec 07 08:13:02.850 INFO [stderr]    Compiling llrb v0.0.1 (/source)
Dec 07 08:13:03.176 INFO [stderr] warning: unused variable: `right_is_red`
Dec 07 08:13:03.176 INFO [stderr]    --> src/lib.rs:288:13
Dec 07 08:13:03.176 INFO [stderr]     |
Dec 07 08:13:03.176 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 07 08:13:03.176 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 07 08:13:03.176 INFO [stderr]     |
Dec 07 08:13:03.176 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 08:13:03.176 INFO [stderr] 
Dec 07 08:13:03.180 INFO [stderr] warning: unused variable: `val`
Dec 07 08:13:03.180 INFO [stderr]    --> src/lib.rs:289:43
Dec 07 08:13:03.180 INFO [stderr]     |
Dec 07 08:13:03.180 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 07 08:13:03.180 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 07 08:13:03.180 INFO [stderr] 
Dec 07 08:13:03.180 INFO [stderr] warning: unused variable: `other`
Dec 07 08:13:03.180 INFO [stderr]    --> src/lib.rs:335:30
Dec 07 08:13:03.180 INFO [stderr]     |
Dec 07 08:13:03.180 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 07 08:13:03.180 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 07 08:13:03.180 INFO [stderr] 
Dec 07 08:13:03.191 INFO [stderr] warning: method is never used: `move_red_right`
Dec 07 08:13:03.191 INFO [stderr]   --> src/lib.rs:92:5
Dec 07 08:13:03.191 INFO [stderr]    |
Dec 07 08:13:03.191 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 07 08:13:03.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 08:13:03.191 INFO [stderr]    |
Dec 07 08:13:03.191 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 08:13:03.191 INFO [stderr] 
Dec 07 08:13:03.191 INFO [stderr] warning: method is never used: `move_red_left`
Dec 07 08:13:03.191 INFO [stderr]   --> src/lib.rs:94:5
Dec 07 08:13:03.191 INFO [stderr]    |
Dec 07 08:13:03.191 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 07 08:13:03.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 08:13:03.191 INFO [stderr] 
Dec 07 08:13:03.191 INFO [stderr] warning: method is never used: `min`
Dec 07 08:13:03.191 INFO [stderr]    --> src/lib.rs:303:5
Dec 07 08:13:03.191 INFO [stderr]     |
Dec 07 08:13:03.191 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 07 08:13:03.191 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 08:13:03.191 INFO [stderr] 
Dec 07 08:13:03.222 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Dec 07 08:13:03.224 INFO [stderr] su: No module specific data is present
Dec 07 08:13:03.495 INFO running `"docker" "inspect" "6ecd004ccb797bd128b350e467fcebac5f07b1059f891784ecd61e5c605c46b3"`
Dec 07 08:13:03.606 INFO running `"docker" "rm" "-f" "6ecd004ccb797bd128b350e467fcebac5f07b1059f891784ecd61e5c605c46b3"`
Dec 07 08:13:03.700 INFO [stdout] 6ecd004ccb797bd128b350e467fcebac5f07b1059f891784ecd61e5c605c46b3
Dec 07 08:13:03.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 08:13:03.879 INFO [stdout] 8e232febbfd310a3dd9c6b1dbaf8744ea2ab918ae45c8fff3d479c20536147e7
Dec 07 08:13:03.880 INFO running `"docker" "start" "-a" "8e232febbfd310a3dd9c6b1dbaf8744ea2ab918ae45c8fff3d479c20536147e7"`
Dec 07 08:13:04.283 INFO [stderr] usermod: no changes
Dec 07 08:13:04.315 INFO [stderr]    Compiling llrb v0.0.1 (/source)
Dec 07 08:13:04.704 INFO [stderr] warning: unused variable: `right_is_red`
Dec 07 08:13:04.704 INFO [stderr]    --> src/lib.rs:288:13
Dec 07 08:13:04.704 INFO [stderr]     |
Dec 07 08:13:04.704 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Dec 07 08:13:04.704 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Dec 07 08:13:04.704 INFO [stderr]     |
Dec 07 08:13:04.704 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 08:13:04.704 INFO [stderr] 
Dec 07 08:13:04.705 INFO [stderr] warning: unused variable: `val`
Dec 07 08:13:04.705 INFO [stderr]    --> src/lib.rs:289:43
Dec 07 08:13:04.705 INFO [stderr]     |
Dec 07 08:13:04.705 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Dec 07 08:13:04.705 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Dec 07 08:13:04.705 INFO [stderr] 
Dec 07 08:13:04.705 INFO [stderr] warning: unused variable: `other`
Dec 07 08:13:04.705 INFO [stderr]    --> src/lib.rs:335:30
Dec 07 08:13:04.705 INFO [stderr]     |
Dec 07 08:13:04.705 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Dec 07 08:13:04.705 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Dec 07 08:13:04.705 INFO [stderr] 
Dec 07 08:13:04.716 INFO [stderr] warning: method is never used: `move_red_right`
Dec 07 08:13:04.716 INFO [stderr]   --> src/lib.rs:92:5
Dec 07 08:13:04.716 INFO [stderr]    |
Dec 07 08:13:04.716 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Dec 07 08:13:04.716 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 08:13:04.716 INFO [stderr]    |
Dec 07 08:13:04.716 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 08:13:04.716 INFO [stderr] 
Dec 07 08:13:04.716 INFO [stderr] warning: method is never used: `move_red_left`
Dec 07 08:13:04.716 INFO [stderr]   --> src/lib.rs:94:5
Dec 07 08:13:04.716 INFO [stderr]    |
Dec 07 08:13:04.716 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Dec 07 08:13:04.716 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 08:13:04.716 INFO [stderr] 
Dec 07 08:13:04.716 INFO [stderr] warning: method is never used: `min`
Dec 07 08:13:04.716 INFO [stderr]    --> src/lib.rs:303:5
Dec 07 08:13:04.716 INFO [stderr]     |
Dec 07 08:13:04.716 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Dec 07 08:13:04.716 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 08:13:04.716 INFO [stderr] 
Dec 07 08:13:04.936 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 07 08:13:04.938 INFO [stderr] su: No module specific data is present
Dec 07 08:13:05.252 INFO running `"docker" "inspect" "8e232febbfd310a3dd9c6b1dbaf8744ea2ab918ae45c8fff3d479c20536147e7"`
Dec 07 08:13:05.371 INFO running `"docker" "rm" "-f" "8e232febbfd310a3dd9c6b1dbaf8744ea2ab918ae45c8fff3d479c20536147e7"`
Dec 07 08:13:05.467 INFO [stdout] 8e232febbfd310a3dd9c6b1dbaf8744ea2ab918ae45c8fff3d479c20536147e7