Sep 10 15:16:08.282 INFO checking llrb-0.0.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 15:16:08.282 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 15:16:08.282 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 15:16:08.507 INFO blam! a2ef18f0357405b67de03e8b66f809b7407de7adc49393b2842abab42d9193a0
Sep 10 15:16:08.509 INFO running `"docker" "start" "-a" "a2ef18f0357405b67de03e8b66f809b7407de7adc49393b2842abab42d9193a0"`
Sep 10 15:16:09.841 INFO kablam! usermod: no changes
Sep 10 15:16:09.922 INFO kablam!     Checking llrb v0.0.1 (file:///source)
Sep 10 15:16:10.414 INFO kablam! warning: unused variable: `right_is_red`
Sep 10 15:16:10.414 INFO kablam!    --> src/lib.rs:288:13
Sep 10 15:16:10.414 INFO kablam!     |
Sep 10 15:16:10.414 INFO kablam! 288 |         let right_is_red = is_red(&self.left);
Sep 10 15:16:10.414 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Sep 10 15:16:10.414 INFO kablam!     |
Sep 10 15:16:10.414 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 15:16:10.414 INFO kablam! 
Sep 10 15:16:10.414 INFO kablam! warning: unused variable: `val`
Sep 10 15:16:10.414 INFO kablam!    --> src/lib.rs:289:43
Sep 10 15:16:10.414 INFO kablam!     |
Sep 10 15:16:10.414 INFO kablam! 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Sep 10 15:16:10.414 INFO kablam!     |                                           ^^^ help: consider using `_val` instead
Sep 10 15:16:10.414 INFO kablam! 
Sep 10 15:16:10.414 INFO kablam! warning: unused variable: `other`
Sep 10 15:16:10.414 INFO kablam!    --> src/lib.rs:335:30
Sep 10 15:16:10.414 INFO kablam!     |
Sep 10 15:16:10.414 INFO kablam! 335 |     pub fn append(&mut self, other: &mut Self) {}
Sep 10 15:16:10.414 INFO kablam!     |                              ^^^^^ help: consider using `_other` instead
Sep 10 15:16:10.414 INFO kablam! 
Sep 10 15:16:10.430 INFO kablam! warning: method is never used: `move_red_right`
Sep 10 15:16:10.430 INFO kablam!   --> src/lib.rs:92:5
Sep 10 15:16:10.430 INFO kablam!    |
Sep 10 15:16:10.430 INFO kablam! 92 |     fn move_red_right(&mut self) {}
Sep 10 15:16:10.430 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:16:10.430 INFO kablam!    |
Sep 10 15:16:10.430 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 15:16:10.430 INFO kablam! 
Sep 10 15:16:10.430 INFO kablam! warning: method is never used: `move_red_left`
Sep 10 15:16:10.430 INFO kablam!   --> src/lib.rs:94:5
Sep 10 15:16:10.430 INFO kablam!    |
Sep 10 15:16:10.430 INFO kablam! 94 |     fn move_red_left(&mut self) {}
Sep 10 15:16:10.430 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:16:10.430 INFO kablam! 
Sep 10 15:16:10.430 INFO kablam! warning: method is never used: `min`
Sep 10 15:16:10.430 INFO kablam!    --> src/lib.rs:303:5
Sep 10 15:16:10.430 INFO kablam!     |
Sep 10 15:16:10.430 INFO kablam! 303 |     fn min(&self) -> &LLRB<K, V> {
Sep 10 15:16:10.430 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:16:10.430 INFO kablam! 
Sep 10 15:16:10.626 INFO kablam! warning: unused variable: `right_is_red`
Sep 10 15:16:10.626 INFO kablam!    --> src/lib.rs:288:13
Sep 10 15:16:10.626 INFO kablam!     |
Sep 10 15:16:10.626 INFO kablam! 288 |         let right_is_red = is_red(&self.left);
Sep 10 15:16:10.626 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Sep 10 15:16:10.626 INFO kablam!     |
Sep 10 15:16:10.626 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 15:16:10.626 INFO kablam! 
Sep 10 15:16:10.626 INFO kablam! warning: unused variable: `val`
Sep 10 15:16:10.626 INFO kablam!    --> src/lib.rs:289:43
Sep 10 15:16:10.626 INFO kablam!     |
Sep 10 15:16:10.626 INFO kablam! 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Sep 10 15:16:10.626 INFO kablam!     |                                           ^^^ help: consider using `_val` instead
Sep 10 15:16:10.626 INFO kablam! 
Sep 10 15:16:10.626 INFO kablam! warning: unused variable: `other`
Sep 10 15:16:10.626 INFO kablam!    --> src/lib.rs:335:30
Sep 10 15:16:10.626 INFO kablam!     |
Sep 10 15:16:10.626 INFO kablam! 335 |     pub fn append(&mut self, other: &mut Self) {}
Sep 10 15:16:10.626 INFO kablam!     |                              ^^^^^ help: consider using `_other` instead
Sep 10 15:16:10.626 INFO kablam! 
Sep 10 15:16:10.638 INFO kablam! warning: method is never used: `move_red_right`
Sep 10 15:16:10.638 INFO kablam!   --> src/lib.rs:92:5
Sep 10 15:16:10.638 INFO kablam!    |
Sep 10 15:16:10.638 INFO kablam! 92 |     fn move_red_right(&mut self) {}
Sep 10 15:16:10.638 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:16:10.638 INFO kablam!    |
Sep 10 15:16:10.638 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 15:16:10.638 INFO kablam! 
Sep 10 15:16:10.638 INFO kablam! warning: method is never used: `move_red_left`
Sep 10 15:16:10.638 INFO kablam!   --> src/lib.rs:94:5
Sep 10 15:16:10.638 INFO kablam!    |
Sep 10 15:16:10.638 INFO kablam! 94 |     fn move_red_left(&mut self) {}
Sep 10 15:16:10.638 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:16:10.638 INFO kablam! 
Sep 10 15:16:10.638 INFO kablam! warning: method is never used: `min`
Sep 10 15:16:10.638 INFO kablam!    --> src/lib.rs:303:5
Sep 10 15:16:10.638 INFO kablam!     |
Sep 10 15:16:10.638 INFO kablam! 303 |     fn min(&self) -> &LLRB<K, V> {
Sep 10 15:16:10.638 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:16:10.638 INFO kablam! 
Sep 10 15:16:10.699 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Sep 10 15:16:10.708 INFO kablam! su: No module specific data is present
Sep 10 15:16:11.515 INFO running `"docker" "rm" "-f" "a2ef18f0357405b67de03e8b66f809b7407de7adc49393b2842abab42d9193a0"`
Sep 10 15:16:11.709 INFO blam! a2ef18f0357405b67de03e8b66f809b7407de7adc49393b2842abab42d9193a0