Oct 26 21:27:32.257 INFO checking sbwtw/RBTree against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 21:27:32.258 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 26 21:27:32.639 INFO blam! 59d6b88190f75d22ed2ccc0628b98815c7721022ca9f85feca3f52c28cd5e3b3
Oct 26 21:27:32.655 INFO running `"docker" "start" "-a" "59d6b88190f75d22ed2ccc0628b98815c7721022ca9f85feca3f52c28cd5e3b3"`
Oct 26 21:27:34.367 INFO kablam! usermod: no changes
Oct 26 21:27:34.419 INFO kablam!     Checking rbtree v0.1.0 (/source)
Oct 26 21:27:35.031 INFO kablam! warning: variant is never constructed: `Red`
Oct 26 21:27:35.032 INFO kablam!  --> src/main.rs:7:5
Oct 26 21:27:35.032 INFO kablam!   |
Oct 26 21:27:35.032 INFO kablam! 7 |     Red,
Oct 26 21:27:35.032 INFO kablam!   |     ^^^
Oct 26 21:27:35.032 INFO kablam!   |
Oct 26 21:27:35.032 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 21:27:35.032 INFO kablam! 
Oct 26 21:27:35.032 INFO kablam! warning: enum is never used: `Direction`
Oct 26 21:27:35.032 INFO kablam!   --> src/main.rs:12:1
Oct 26 21:27:35.032 INFO kablam!    |
Oct 26 21:27:35.032 INFO kablam! 12 | enum Direction {
Oct 26 21:27:35.032 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 26 21:27:35.032 INFO kablam! 
Oct 26 21:27:35.032 INFO kablam! warning: function is never used: `ensure_root_black`
Oct 26 21:27:35.032 INFO kablam!   --> src/main.rs:79:1
Oct 26 21:27:35.032 INFO kablam!    |
Oct 26 21:27:35.032 INFO kablam! 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Oct 26 21:27:35.032 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:27:35.032 INFO kablam! 
Oct 26 21:27:35.032 INFO kablam! warning: function is never used: `insert_n`
Oct 26 21:27:35.032 INFO kablam!   --> src/main.rs:85:1
Oct 26 21:27:35.032 INFO kablam!    |
Oct 26 21:27:35.032 INFO kablam! 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Oct 26 21:27:35.032 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:27:35.032 INFO kablam! 
Oct 26 21:27:35.032 INFO kablam! warning: method is never used: `set_color`
Oct 26 21:27:35.032 INFO kablam!    --> src/main.rs:120:5
Oct 26 21:27:35.032 INFO kablam!     |
Oct 26 21:27:35.032 INFO kablam! 120 |     fn set_color(&mut self, color: RBColor) {
Oct 26 21:27:35.032 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:27:35.032 INFO kablam! 
Oct 26 21:27:35.112 INFO kablam! warning: variant is never constructed: `Red`
Oct 26 21:27:35.112 INFO kablam!  --> src/main.rs:7:5
Oct 26 21:27:35.112 INFO kablam!   |
Oct 26 21:27:35.113 INFO kablam! 7 |     Red,
Oct 26 21:27:35.113 INFO kablam!   |     ^^^
Oct 26 21:27:35.114 INFO kablam!   |
Oct 26 21:27:35.114 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 21:27:35.114 INFO kablam! 
Oct 26 21:27:35.114 INFO kablam! warning: enum is never used: `Direction`
Oct 26 21:27:35.114 INFO kablam!   --> src/main.rs:12:1
Oct 26 21:27:35.114 INFO kablam!    |
Oct 26 21:27:35.114 INFO kablam! 12 | enum Direction {
Oct 26 21:27:35.114 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 26 21:27:35.115 INFO kablam! 
Oct 26 21:27:35.115 INFO kablam! warning: function is never used: `ensure_root_black`
Oct 26 21:27:35.115 INFO kablam!   --> src/main.rs:79:1
Oct 26 21:27:35.115 INFO kablam!    |
Oct 26 21:27:35.115 INFO kablam! 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Oct 26 21:27:35.115 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:27:35.115 INFO kablam! 
Oct 26 21:27:35.115 INFO kablam! warning: function is never used: `insert_n`
Oct 26 21:27:35.115 INFO kablam!   --> src/main.rs:85:1
Oct 26 21:27:35.115 INFO kablam!    |
Oct 26 21:27:35.115 INFO kablam! 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Oct 26 21:27:35.115 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:27:35.115 INFO kablam! 
Oct 26 21:27:35.115 INFO kablam! warning: method is never used: `set_color`
Oct 26 21:27:35.115 INFO kablam!    --> src/main.rs:120:5
Oct 26 21:27:35.116 INFO kablam!     |
Oct 26 21:27:35.116 INFO kablam! 120 |     fn set_color(&mut self, color: RBColor) {
Oct 26 21:27:35.116 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:27:35.116 INFO kablam! 
Oct 26 21:27:35.155 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Oct 26 21:27:35.155 INFO kablam! su: No module specific data is present
Oct 26 21:27:36.714 INFO running `"docker" "rm" "-f" "59d6b88190f75d22ed2ccc0628b98815c7721022ca9f85feca3f52c28cd5e3b3"`
Oct 26 21:27:36.999 INFO blam! 59d6b88190f75d22ed2ccc0628b98815c7721022ca9f85feca3f52c28cd5e3b3