Nov 16 14:24:22.932 INFO testing sbwtw/RBTree against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 14:24:22.932 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 16 14:24:23.481 INFO [stdout] 74a0214b884aad89d39ec37538e2a957acc324f551449c55cfa73def7c41c8d4
Nov 16 14:24:23.483 INFO running `"docker" "start" "-a" "74a0214b884aad89d39ec37538e2a957acc324f551449c55cfa73def7c41c8d4"`
Nov 16 14:24:26.127 INFO [stderr] usermod: no changes
Nov 16 14:24:26.219 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Nov 16 14:24:26.549 INFO [stderr] warning: variant is never constructed: `Red`
Nov 16 14:24:26.549 INFO [stderr]  --> src/main.rs:7:5
Nov 16 14:24:26.549 INFO [stderr]   |
Nov 16 14:24:26.549 INFO [stderr] 7 |     Red,
Nov 16 14:24:26.549 INFO [stderr]   |     ^^^
Nov 16 14:24:26.549 INFO [stderr]   |
Nov 16 14:24:26.549 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 14:24:26.550 INFO [stderr] 
Nov 16 14:24:26.550 INFO [stderr] warning: enum is never used: `Direction`
Nov 16 14:24:26.550 INFO [stderr]   --> src/main.rs:12:1
Nov 16 14:24:26.550 INFO [stderr]    |
Nov 16 14:24:26.550 INFO [stderr] 12 | enum Direction {
Nov 16 14:24:26.550 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 14:24:26.550 INFO [stderr] 
Nov 16 14:24:26.550 INFO [stderr] warning: function is never used: `ensure_root_black`
Nov 16 14:24:26.550 INFO [stderr]   --> src/main.rs:79:1
Nov 16 14:24:26.550 INFO [stderr]    |
Nov 16 14:24:26.550 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Nov 16 14:24:26.550 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:24:26.550 INFO [stderr] 
Nov 16 14:24:26.550 INFO [stderr] warning: function is never used: `insert_n`
Nov 16 14:24:26.550 INFO [stderr]   --> src/main.rs:85:1
Nov 16 14:24:26.550 INFO [stderr]    |
Nov 16 14:24:26.550 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Nov 16 14:24:26.550 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:24:26.550 INFO [stderr] 
Nov 16 14:24:26.550 INFO [stderr] warning: method is never used: `set_color`
Nov 16 14:24:26.550 INFO [stderr]    --> src/main.rs:120:5
Nov 16 14:24:26.550 INFO [stderr]     |
Nov 16 14:24:26.550 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Nov 16 14:24:26.550 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:24:26.550 INFO [stderr] 
Nov 16 14:24:27.132 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Nov 16 14:24:27.135 INFO [stderr] su: No module specific data is present
Nov 16 14:24:28.775 INFO running `"docker" "inspect" "74a0214b884aad89d39ec37538e2a957acc324f551449c55cfa73def7c41c8d4"`
Nov 16 14:24:29.115 INFO running `"docker" "rm" "-f" "74a0214b884aad89d39ec37538e2a957acc324f551449c55cfa73def7c41c8d4"`
Nov 16 14:24:29.410 INFO [stdout] 74a0214b884aad89d39ec37538e2a957acc324f551449c55cfa73def7c41c8d4
Nov 16 14:24:29.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 16 14:24:29.779 INFO [stdout] f1ec717b3cb62f61d489da7c2ed997ee3ec5f6a9e38c6ff2aa3551d500a70b79
Nov 16 14:24:29.783 INFO running `"docker" "start" "-a" "f1ec717b3cb62f61d489da7c2ed997ee3ec5f6a9e38c6ff2aa3551d500a70b79"`
Nov 16 14:24:30.989 INFO [stderr] usermod: no changes
Nov 16 14:24:31.047 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Nov 16 14:24:31.475 INFO [stderr] warning: variant is never constructed: `Red`
Nov 16 14:24:31.475 INFO [stderr]  --> src/main.rs:7:5
Nov 16 14:24:31.475 INFO [stderr]   |
Nov 16 14:24:31.475 INFO [stderr] 7 |     Red,
Nov 16 14:24:31.475 INFO [stderr]   |     ^^^
Nov 16 14:24:31.475 INFO [stderr]   |
Nov 16 14:24:31.475 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 14:24:31.475 INFO [stderr] 
Nov 16 14:24:31.475 INFO [stderr] warning: enum is never used: `Direction`
Nov 16 14:24:31.475 INFO [stderr]   --> src/main.rs:12:1
Nov 16 14:24:31.475 INFO [stderr]    |
Nov 16 14:24:31.475 INFO [stderr] 12 | enum Direction {
Nov 16 14:24:31.475 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 14:24:31.475 INFO [stderr] 
Nov 16 14:24:31.475 INFO [stderr] warning: function is never used: `ensure_root_black`
Nov 16 14:24:31.475 INFO [stderr]   --> src/main.rs:79:1
Nov 16 14:24:31.475 INFO [stderr]    |
Nov 16 14:24:31.475 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Nov 16 14:24:31.475 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:24:31.475 INFO [stderr] 
Nov 16 14:24:31.475 INFO [stderr] warning: function is never used: `insert_n`
Nov 16 14:24:31.475 INFO [stderr]   --> src/main.rs:85:1
Nov 16 14:24:31.475 INFO [stderr]    |
Nov 16 14:24:31.475 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Nov 16 14:24:31.475 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:24:31.475 INFO [stderr] 
Nov 16 14:24:31.475 INFO [stderr] warning: method is never used: `set_color`
Nov 16 14:24:31.475 INFO [stderr]    --> src/main.rs:120:5
Nov 16 14:24:31.475 INFO [stderr]     |
Nov 16 14:24:31.475 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Nov 16 14:24:31.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:24:31.475 INFO [stderr] 
Nov 16 14:24:31.770 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Nov 16 14:24:31.779 INFO [stderr] su: No module specific data is present
Nov 16 14:24:32.715 INFO running `"docker" "inspect" "f1ec717b3cb62f61d489da7c2ed997ee3ec5f6a9e38c6ff2aa3551d500a70b79"`
Nov 16 14:24:33.126 INFO running `"docker" "rm" "-f" "f1ec717b3cb62f61d489da7c2ed997ee3ec5f6a9e38c6ff2aa3551d500a70b79"`
Nov 16 14:24:33.421 INFO [stdout] f1ec717b3cb62f61d489da7c2ed997ee3ec5f6a9e38c6ff2aa3551d500a70b79
Nov 16 14:24:33.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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 16 14:24:33.901 INFO [stdout] 0f92464daa6626d00a49c07042cbc973b9228ad1afa42010199e902c0d74a81c
Nov 16 14:24:33.903 INFO running `"docker" "start" "-a" "0f92464daa6626d00a49c07042cbc973b9228ad1afa42010199e902c0d74a81c"`
Nov 16 14:24:35.494 INFO [stderr] usermod: no changes
Nov 16 14:24:35.563 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 14:24:35.575 INFO [stderr]      Running /target/debug/deps/rbtree-a5d506fee3fe1bd5
Nov 16 14:24:35.576 INFO [stdout] 
Nov 16 14:24:35.576 INFO [stderr] su: No module specific data is present
Nov 16 14:24:35.576 INFO [stdout] running 0 tests
Nov 16 14:24:35.576 INFO [stdout] 
Nov 16 14:24:35.577 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 14:24:35.577 INFO [stdout] 
Nov 16 14:24:36.473 INFO running `"docker" "inspect" "0f92464daa6626d00a49c07042cbc973b9228ad1afa42010199e902c0d74a81c"`
Nov 16 14:24:36.679 INFO running `"docker" "rm" "-f" "0f92464daa6626d00a49c07042cbc973b9228ad1afa42010199e902c0d74a81c"`
Nov 16 14:24:36.944 INFO [stdout] 0f92464daa6626d00a49c07042cbc973b9228ad1afa42010199e902c0d74a81c