Sep 14 13:38:43.191 INFO checking llrb-0.0.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 13:38:43.191 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 13:38:43.192 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:38:43.424 INFO blam! 845615481ea33a9e80b3ecaf1d106fb0ed3247c7be5610dd5eada2b68012eca7
Sep 14 13:38:43.425 INFO running `"docker" "start" "-a" "845615481ea33a9e80b3ecaf1d106fb0ed3247c7be5610dd5eada2b68012eca7"`
Sep 14 13:38:44.195 INFO kablam! usermod: no changes
Sep 14 13:38:44.216 INFO kablam!     Checking llrb v0.0.1 (file:///source)
Sep 14 13:38:44.437 INFO kablam! warning: unused variable: `right_is_red`
Sep 14 13:38:44.437 INFO kablam!    --> src/lib.rs:288:13
Sep 14 13:38:44.437 INFO kablam!     |
Sep 14 13:38:44.437 INFO kablam! 288 |         let right_is_red = is_red(&self.left);
Sep 14 13:38:44.437 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Sep 14 13:38:44.437 INFO kablam!     |
Sep 14 13:38:44.437 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 13:38:44.437 INFO kablam! 
Sep 14 13:38:44.437 INFO kablam! warning: unused variable: `val`
Sep 14 13:38:44.437 INFO kablam!    --> src/lib.rs:289:43
Sep 14 13:38:44.437 INFO kablam!     |
Sep 14 13:38:44.437 INFO kablam! 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Sep 14 13:38:44.437 INFO kablam!     |                                           ^^^ help: consider using `_val` instead
Sep 14 13:38:44.437 INFO kablam! 
Sep 14 13:38:44.437 INFO kablam! warning: unused variable: `other`
Sep 14 13:38:44.437 INFO kablam!    --> src/lib.rs:335:30
Sep 14 13:38:44.437 INFO kablam!     |
Sep 14 13:38:44.437 INFO kablam! 335 |     pub fn append(&mut self, other: &mut Self) {}
Sep 14 13:38:44.437 INFO kablam!     |                              ^^^^^ help: consider using `_other` instead
Sep 14 13:38:44.437 INFO kablam! 
Sep 14 13:38:44.448 INFO kablam! warning: method is never used: `move_red_right`
Sep 14 13:38:44.448 INFO kablam!   --> src/lib.rs:92:5
Sep 14 13:38:44.448 INFO kablam!    |
Sep 14 13:38:44.448 INFO kablam! 92 |     fn move_red_right(&mut self) {}
Sep 14 13:38:44.448 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:38:44.448 INFO kablam!    |
Sep 14 13:38:44.448 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 13:38:44.448 INFO kablam! 
Sep 14 13:38:44.448 INFO kablam! warning: method is never used: `move_red_left`
Sep 14 13:38:44.448 INFO kablam!   --> src/lib.rs:94:5
Sep 14 13:38:44.448 INFO kablam!    |
Sep 14 13:38:44.448 INFO kablam! 94 |     fn move_red_left(&mut self) {}
Sep 14 13:38:44.448 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:38:44.448 INFO kablam! 
Sep 14 13:38:44.448 INFO kablam! warning: method is never used: `min`
Sep 14 13:38:44.448 INFO kablam!    --> src/lib.rs:303:5
Sep 14 13:38:44.448 INFO kablam!     |
Sep 14 13:38:44.448 INFO kablam! 303 |     fn min(&self) -> &LLRB<K, V> {
Sep 14 13:38:44.448 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:38:44.448 INFO kablam! 
Sep 14 13:38:44.463 INFO kablam! warning: unused variable: `right_is_red`
Sep 14 13:38:44.464 INFO kablam!    --> src/lib.rs:288:13
Sep 14 13:38:44.464 INFO kablam!     |
Sep 14 13:38:44.464 INFO kablam! 288 |         let right_is_red = is_red(&self.left);
Sep 14 13:38:44.464 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Sep 14 13:38:44.464 INFO kablam!     |
Sep 14 13:38:44.464 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 13:38:44.464 INFO kablam! 
Sep 14 13:38:44.464 INFO kablam! warning: unused variable: `val`
Sep 14 13:38:44.464 INFO kablam!    --> src/lib.rs:289:43
Sep 14 13:38:44.464 INFO kablam!     |
Sep 14 13:38:44.464 INFO kablam! 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Sep 14 13:38:44.464 INFO kablam!     |                                           ^^^ help: consider using `_val` instead
Sep 14 13:38:44.464 INFO kablam! 
Sep 14 13:38:44.464 INFO kablam! warning: unused variable: `other`
Sep 14 13:38:44.464 INFO kablam!    --> src/lib.rs:335:30
Sep 14 13:38:44.464 INFO kablam!     |
Sep 14 13:38:44.464 INFO kablam! 335 |     pub fn append(&mut self, other: &mut Self) {}
Sep 14 13:38:44.464 INFO kablam!     |                              ^^^^^ help: consider using `_other` instead
Sep 14 13:38:44.464 INFO kablam! 
Sep 14 13:38:44.475 INFO kablam! warning: method is never used: `move_red_right`
Sep 14 13:38:44.475 INFO kablam!   --> src/lib.rs:92:5
Sep 14 13:38:44.475 INFO kablam!    |
Sep 14 13:38:44.475 INFO kablam! 92 |     fn move_red_right(&mut self) {}
Sep 14 13:38:44.475 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:38:44.475 INFO kablam!    |
Sep 14 13:38:44.475 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 13:38:44.475 INFO kablam! 
Sep 14 13:38:44.475 INFO kablam! warning: method is never used: `move_red_left`
Sep 14 13:38:44.475 INFO kablam!   --> src/lib.rs:94:5
Sep 14 13:38:44.475 INFO kablam!    |
Sep 14 13:38:44.475 INFO kablam! 94 |     fn move_red_left(&mut self) {}
Sep 14 13:38:44.475 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:38:44.475 INFO kablam! 
Sep 14 13:38:44.476 INFO kablam! warning: method is never used: `min`
Sep 14 13:38:44.476 INFO kablam!    --> src/lib.rs:303:5
Sep 14 13:38:44.476 INFO kablam!     |
Sep 14 13:38:44.476 INFO kablam! 303 |     fn min(&self) -> &LLRB<K, V> {
Sep 14 13:38:44.476 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:38:44.476 INFO kablam! 
Sep 14 13:38:44.493 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Sep 14 13:38:44.494 INFO kablam! su: No module specific data is present
Sep 14 13:38:44.946 INFO running `"docker" "rm" "-f" "845615481ea33a9e80b3ecaf1d106fb0ed3247c7be5610dd5eada2b68012eca7"`
Sep 14 13:38:45.027 INFO blam! 845615481ea33a9e80b3ecaf1d106fb0ed3247c7be5610dd5eada2b68012eca7