Nov 02 07:08:43.950 INFO checking sbwtw/RBTree against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 07:08:43.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-alt check --frozen --all --all-targets" "-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"`
Nov 02 07:08:44.362 INFO blam! 269b0f7047fe215e854bf7ea72f6cea282f8061f6e1a8092f186c4b3df7d4ffd
Nov 02 07:08:44.364 INFO running `"docker" "start" "-a" "269b0f7047fe215e854bf7ea72f6cea282f8061f6e1a8092f186c4b3df7d4ffd"`
Nov 02 07:08:45.716 INFO kablam! usermod: no changes
Nov 02 07:08:45.767 INFO kablam!     Checking rbtree v0.1.0 (/source)
Nov 02 07:08:46.299 INFO kablam! warning: variant is never constructed: `Red`
Nov 02 07:08:46.300 INFO kablam!  --> src/main.rs:7:5
Nov 02 07:08:46.300 INFO kablam!   |
Nov 02 07:08:46.300 INFO kablam! 7 |     Red,
Nov 02 07:08:46.301 INFO kablam!   |     ^^^
Nov 02 07:08:46.301 INFO kablam!   |
Nov 02 07:08:46.302 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 07:08:46.302 INFO kablam! 
Nov 02 07:08:46.302 INFO kablam! warning: enum is never used: `Direction`
Nov 02 07:08:46.303 INFO kablam!   --> src/main.rs:12:1
Nov 02 07:08:46.303 INFO kablam!    |
Nov 02 07:08:46.304 INFO kablam! 12 | enum Direction {
Nov 02 07:08:46.304 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 02 07:08:46.305 INFO kablam! 
Nov 02 07:08:46.305 INFO kablam! warning: function is never used: `ensure_root_black`
Nov 02 07:08:46.306 INFO kablam!   --> src/main.rs:79:1
Nov 02 07:08:46.307 INFO kablam!    |
Nov 02 07:08:46.310 INFO kablam! 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Nov 02 07:08:46.311 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:46.314 INFO kablam! 
Nov 02 07:08:46.314 INFO kablam! warning: function is never used: `insert_n`
Nov 02 07:08:46.315 INFO kablam!   --> src/main.rs:85:1
Nov 02 07:08:46.315 INFO kablam!    |
Nov 02 07:08:46.315 INFO kablam! 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Nov 02 07:08:46.315 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:46.316 INFO kablam! 
Nov 02 07:08:46.316 INFO kablam! warning: method is never used: `set_color`
Nov 02 07:08:46.316 INFO kablam!    --> src/main.rs:120:5
Nov 02 07:08:46.317 INFO kablam!     |
Nov 02 07:08:46.317 INFO kablam! 120 |     fn set_color(&mut self, color: RBColor) {
Nov 02 07:08:46.317 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:46.317 INFO kablam! 
Nov 02 07:08:46.332 INFO kablam! warning: variant is never constructed: `Red`
Nov 02 07:08:46.333 INFO kablam!  --> src/main.rs:7:5
Nov 02 07:08:46.333 INFO kablam!   |
Nov 02 07:08:46.333 INFO kablam! 7 |     Red,
Nov 02 07:08:46.334 INFO kablam!   |     ^^^
Nov 02 07:08:46.334 INFO kablam!   |
Nov 02 07:08:46.334 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 07:08:46.334 INFO kablam! 
Nov 02 07:08:46.335 INFO kablam! warning: enum is never used: `Direction`
Nov 02 07:08:46.335 INFO kablam!   --> src/main.rs:12:1
Nov 02 07:08:46.335 INFO kablam!    |
Nov 02 07:08:46.335 INFO kablam! 12 | enum Direction {
Nov 02 07:08:46.336 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 02 07:08:46.336 INFO kablam! 
Nov 02 07:08:46.336 INFO kablam! warning: function is never used: `ensure_root_black`
Nov 02 07:08:46.337 INFO kablam!   --> src/main.rs:79:1
Nov 02 07:08:46.337 INFO kablam!    |
Nov 02 07:08:46.337 INFO kablam! 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Nov 02 07:08:46.337 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:46.338 INFO kablam! 
Nov 02 07:08:46.338 INFO kablam! warning: function is never used: `insert_n`
Nov 02 07:08:46.338 INFO kablam!   --> src/main.rs:85:1
Nov 02 07:08:46.338 INFO kablam!    |
Nov 02 07:08:46.339 INFO kablam! 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Nov 02 07:08:46.339 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:46.339 INFO kablam! 
Nov 02 07:08:46.339 INFO kablam! warning: method is never used: `set_color`
Nov 02 07:08:46.340 INFO kablam!    --> src/main.rs:120:5
Nov 02 07:08:46.340 INFO kablam!     |
Nov 02 07:08:46.340 INFO kablam! 120 |     fn set_color(&mut self, color: RBColor) {
Nov 02 07:08:46.340 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:46.341 INFO kablam! 
Nov 02 07:08:46.351 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Nov 02 07:08:46.355 INFO kablam! su: No module specific data is present
Nov 02 07:08:47.028 INFO running `"docker" "rm" "-f" "269b0f7047fe215e854bf7ea72f6cea282f8061f6e1a8092f186c4b3df7d4ffd"`
Nov 02 07:08:47.321 INFO blam! 269b0f7047fe215e854bf7ea72f6cea282f8061f6e1a8092f186c4b3df7d4ffd