Sep 06 04:16:18.651 INFO checking llrb-0.0.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 04:16:18.651 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 04:16:18.651 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 04:16:18.816 INFO blam! 4e2178c35a54d5f982ce97e945dccc935a9ae98cb72a86e799f28fed092c9b3c
Sep 06 04:16:18.817 INFO running `"docker" "start" "-a" "4e2178c35a54d5f982ce97e945dccc935a9ae98cb72a86e799f28fed092c9b3c"`
Sep 06 04:16:19.572 INFO kablam! usermod: no changes
Sep 06 04:16:19.595 INFO kablam!     Checking llrb v0.0.1 (file:///source)
Sep 06 04:16:19.824 INFO kablam! warning: unused variable: `right_is_red`
Sep 06 04:16:19.824 INFO kablam!    --> src/lib.rs:288:13
Sep 06 04:16:19.824 INFO kablam!     |
Sep 06 04:16:19.824 INFO kablam! 288 |         let right_is_red = is_red(&self.left);
Sep 06 04:16:19.824 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Sep 06 04:16:19.824 INFO kablam!     |
Sep 06 04:16:19.825 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 04:16:19.825 INFO kablam! 
Sep 06 04:16:19.825 INFO kablam! warning: unused variable: `val`
Sep 06 04:16:19.825 INFO kablam!    --> src/lib.rs:289:43
Sep 06 04:16:19.825 INFO kablam!     |
Sep 06 04:16:19.825 INFO kablam! 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Sep 06 04:16:19.825 INFO kablam!     |                                           ^^^ help: consider using `_val` instead
Sep 06 04:16:19.825 INFO kablam! 
Sep 06 04:16:19.825 INFO kablam! warning: unused variable: `other`
Sep 06 04:16:19.825 INFO kablam!    --> src/lib.rs:335:30
Sep 06 04:16:19.825 INFO kablam!     |
Sep 06 04:16:19.825 INFO kablam! 335 |     pub fn append(&mut self, other: &mut Self) {}
Sep 06 04:16:19.825 INFO kablam!     |                              ^^^^^ help: consider using `_other` instead
Sep 06 04:16:19.825 INFO kablam! 
Sep 06 04:16:19.838 INFO kablam! warning: method is never used: `move_red_right`
Sep 06 04:16:19.838 INFO kablam!   --> src/lib.rs:92:5
Sep 06 04:16:19.838 INFO kablam!    |
Sep 06 04:16:19.838 INFO kablam! 92 |     fn move_red_right(&mut self) {}
Sep 06 04:16:19.838 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:16:19.838 INFO kablam!    |
Sep 06 04:16:19.838 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 04:16:19.838 INFO kablam! 
Sep 06 04:16:19.838 INFO kablam! warning: method is never used: `move_red_left`
Sep 06 04:16:19.838 INFO kablam!   --> src/lib.rs:94:5
Sep 06 04:16:19.838 INFO kablam!    |
Sep 06 04:16:19.838 INFO kablam! 94 |     fn move_red_left(&mut self) {}
Sep 06 04:16:19.838 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:16:19.838 INFO kablam! 
Sep 06 04:16:19.839 INFO kablam! warning: method is never used: `min`
Sep 06 04:16:19.839 INFO kablam!    --> src/lib.rs:303:5
Sep 06 04:16:19.839 INFO kablam!     |
Sep 06 04:16:19.839 INFO kablam! 303 |     fn min(&self) -> &LLRB<K, V> {
Sep 06 04:16:19.839 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:16:19.839 INFO kablam! 
Sep 06 04:16:19.902 INFO kablam! warning: unused variable: `right_is_red`
Sep 06 04:16:19.902 INFO kablam!    --> src/lib.rs:288:13
Sep 06 04:16:19.902 INFO kablam!     |
Sep 06 04:16:19.902 INFO kablam! 288 |         let right_is_red = is_red(&self.left);
Sep 06 04:16:19.902 INFO kablam!     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Sep 06 04:16:19.902 INFO kablam!     |
Sep 06 04:16:19.902 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 04:16:19.902 INFO kablam! 
Sep 06 04:16:19.902 INFO kablam! warning: unused variable: `val`
Sep 06 04:16:19.902 INFO kablam!    --> src/lib.rs:289:43
Sep 06 04:16:19.902 INFO kablam!     |
Sep 06 04:16:19.902 INFO kablam! 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Sep 06 04:16:19.902 INFO kablam!     |                                           ^^^ help: consider using `_val` instead
Sep 06 04:16:19.902 INFO kablam! 
Sep 06 04:16:19.902 INFO kablam! warning: unused variable: `other`
Sep 06 04:16:19.902 INFO kablam!    --> src/lib.rs:335:30
Sep 06 04:16:19.902 INFO kablam!     |
Sep 06 04:16:19.902 INFO kablam! 335 |     pub fn append(&mut self, other: &mut Self) {}
Sep 06 04:16:19.902 INFO kablam!     |                              ^^^^^ help: consider using `_other` instead
Sep 06 04:16:19.902 INFO kablam! 
Sep 06 04:16:19.917 INFO kablam! warning: method is never used: `move_red_right`
Sep 06 04:16:19.917 INFO kablam!   --> src/lib.rs:92:5
Sep 06 04:16:19.917 INFO kablam!    |
Sep 06 04:16:19.917 INFO kablam! 92 |     fn move_red_right(&mut self) {}
Sep 06 04:16:19.917 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:16:19.917 INFO kablam!    |
Sep 06 04:16:19.917 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 04:16:19.917 INFO kablam! 
Sep 06 04:16:19.917 INFO kablam! warning: method is never used: `move_red_left`
Sep 06 04:16:19.917 INFO kablam!   --> src/lib.rs:94:5
Sep 06 04:16:19.917 INFO kablam!    |
Sep 06 04:16:19.917 INFO kablam! 94 |     fn move_red_left(&mut self) {}
Sep 06 04:16:19.917 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:16:19.917 INFO kablam! 
Sep 06 04:16:19.917 INFO kablam! warning: method is never used: `min`
Sep 06 04:16:19.917 INFO kablam!    --> src/lib.rs:303:5
Sep 06 04:16:19.917 INFO kablam!     |
Sep 06 04:16:19.917 INFO kablam! 303 |     fn min(&self) -> &LLRB<K, V> {
Sep 06 04:16:19.917 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:16:19.917 INFO kablam! 
Sep 06 04:16:19.940 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Sep 06 04:16:19.942 INFO kablam! su: No module specific data is present
Sep 06 04:16:20.496 INFO running `"docker" "rm" "-f" "4e2178c35a54d5f982ce97e945dccc935a9ae98cb72a86e799f28fed092c9b3c"`
Sep 06 04:16:20.567 INFO blam! 4e2178c35a54d5f982ce97e945dccc935a9ae98cb72a86e799f28fed092c9b3c