Nov 02 07:08:45.634 INFO checking sbwtw/RBTree against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 07:08:45.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 07:08:45.993 INFO blam! 4db2d5da24c3cffedac6b4eab9154ea357a1962211c090b675c63236b97c0739
Nov 02 07:08:46.004 INFO running `"docker" "start" "-a" "4db2d5da24c3cffedac6b4eab9154ea357a1962211c090b675c63236b97c0739"`
Nov 02 07:08:47.056 INFO kablam! usermod: no changes
Nov 02 07:08:47.120 INFO kablam!     Checking rbtree v0.1.0 (/source)
Nov 02 07:08:47.704 INFO kablam! warning: variant is never constructed: `Red`
Nov 02 07:08:47.705 INFO kablam!  --> src/main.rs:7:5
Nov 02 07:08:47.705 INFO kablam!   |
Nov 02 07:08:47.705 INFO kablam! 7 |     Red,
Nov 02 07:08:47.706 INFO kablam!   |     ^^^
Nov 02 07:08:47.706 INFO kablam!   |
Nov 02 07:08:47.706 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 07:08:47.706 INFO kablam! 
Nov 02 07:08:47.707 INFO kablam! warning: enum is never used: `Direction`
Nov 02 07:08:47.707 INFO kablam!   --> src/main.rs:12:1
Nov 02 07:08:47.707 INFO kablam!    |
Nov 02 07:08:47.707 INFO kablam! 12 | enum Direction {
Nov 02 07:08:47.708 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 02 07:08:47.708 INFO kablam! 
Nov 02 07:08:47.708 INFO kablam! warning: function is never used: `ensure_root_black`
Nov 02 07:08:47.709 INFO kablam!   --> src/main.rs:79:1
Nov 02 07:08:47.709 INFO kablam!    |
Nov 02 07:08:47.709 INFO kablam! 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Nov 02 07:08:47.709 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:47.709 INFO kablam! 
Nov 02 07:08:47.710 INFO kablam! warning: function is never used: `insert_n`
Nov 02 07:08:47.710 INFO kablam!   --> src/main.rs:85:1
Nov 02 07:08:47.710 INFO kablam!    |
Nov 02 07:08:47.710 INFO kablam! 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Nov 02 07:08:47.711 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:47.711 INFO kablam! 
Nov 02 07:08:47.711 INFO kablam! warning: method is never used: `set_color`
Nov 02 07:08:47.711 INFO kablam!    --> src/main.rs:120:5
Nov 02 07:08:47.712 INFO kablam!     |
Nov 02 07:08:47.712 INFO kablam! 120 |     fn set_color(&mut self, color: RBColor) {
Nov 02 07:08:47.712 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:47.712 INFO kablam! 
Nov 02 07:08:47.789 INFO kablam! warning: variant is never constructed: `Red`
Nov 02 07:08:47.789 INFO kablam!  --> src/main.rs:7:5
Nov 02 07:08:47.789 INFO kablam!   |
Nov 02 07:08:47.789 INFO kablam! 7 |     Red,
Nov 02 07:08:47.790 INFO kablam!   |     ^^^
Nov 02 07:08:47.790 INFO kablam!   |
Nov 02 07:08:47.790 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 07:08:47.790 INFO kablam! 
Nov 02 07:08:47.791 INFO kablam! warning: enum is never used: `Direction`
Nov 02 07:08:47.791 INFO kablam!   --> src/main.rs:12:1
Nov 02 07:08:47.791 INFO kablam!    |
Nov 02 07:08:47.791 INFO kablam! 12 | enum Direction {
Nov 02 07:08:47.792 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 02 07:08:47.792 INFO kablam! 
Nov 02 07:08:47.792 INFO kablam! warning: function is never used: `ensure_root_black`
Nov 02 07:08:47.792 INFO kablam!   --> src/main.rs:79:1
Nov 02 07:08:47.793 INFO kablam!    |
Nov 02 07:08:47.793 INFO kablam! 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Nov 02 07:08:47.793 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:47.793 INFO kablam! 
Nov 02 07:08:47.794 INFO kablam! warning: function is never used: `insert_n`
Nov 02 07:08:47.794 INFO kablam!   --> src/main.rs:85:1
Nov 02 07:08:47.794 INFO kablam!    |
Nov 02 07:08:47.794 INFO kablam! 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Nov 02 07:08:47.795 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:47.795 INFO kablam! 
Nov 02 07:08:47.795 INFO kablam! warning: method is never used: `set_color`
Nov 02 07:08:47.795 INFO kablam!    --> src/main.rs:120:5
Nov 02 07:08:47.796 INFO kablam!     |
Nov 02 07:08:47.796 INFO kablam! 120 |     fn set_color(&mut self, color: RBColor) {
Nov 02 07:08:47.796 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:08:47.796 INFO kablam! 
Nov 02 07:08:47.817 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Nov 02 07:08:47.817 INFO kablam! su: No module specific data is present
Nov 02 07:08:48.462 INFO running `"docker" "rm" "-f" "4db2d5da24c3cffedac6b4eab9154ea357a1962211c090b675c63236b97c0739"`
Nov 02 07:08:48.760 INFO blam! 4db2d5da24c3cffedac6b4eab9154ea357a1962211c090b675c63236b97c0739