Dec 05 08:29:32.288 INFO testing sbwtw/RBTree against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 08:29:32.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 08:29:32.942 INFO [stdout] 36a6ad0aced75e386dd143ea8ab042b1cb508e20bae8e83de1433401f5252b59
Dec 05 08:29:32.944 INFO running `"docker" "start" "-a" "36a6ad0aced75e386dd143ea8ab042b1cb508e20bae8e83de1433401f5252b59"`
Dec 05 08:29:34.349 INFO [stderr] usermod: no changes
Dec 05 08:29:34.416 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 05 08:29:34.762 INFO [stderr] warning: variant is never constructed: `Red`
Dec 05 08:29:34.762 INFO [stderr]  --> src/main.rs:7:5
Dec 05 08:29:34.762 INFO [stderr]   |
Dec 05 08:29:34.762 INFO [stderr] 7 |     Red,
Dec 05 08:29:34.762 INFO [stderr]   |     ^^^
Dec 05 08:29:34.766 INFO [stderr]   |
Dec 05 08:29:34.766 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 08:29:34.766 INFO [stderr] 
Dec 05 08:29:34.766 INFO [stderr] warning: enum is never used: `Direction`
Dec 05 08:29:34.766 INFO [stderr]   --> src/main.rs:12:1
Dec 05 08:29:34.766 INFO [stderr]    |
Dec 05 08:29:34.766 INFO [stderr] 12 | enum Direction {
Dec 05 08:29:34.766 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 05 08:29:34.766 INFO [stderr] 
Dec 05 08:29:34.766 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 05 08:29:34.766 INFO [stderr]   --> src/main.rs:79:1
Dec 05 08:29:34.766 INFO [stderr]    |
Dec 05 08:29:34.766 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 05 08:29:34.766 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:34.766 INFO [stderr] 
Dec 05 08:29:34.766 INFO [stderr] warning: function is never used: `insert_n`
Dec 05 08:29:34.766 INFO [stderr]   --> src/main.rs:85:1
Dec 05 08:29:34.766 INFO [stderr]    |
Dec 05 08:29:34.766 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 05 08:29:34.766 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:34.766 INFO [stderr] 
Dec 05 08:29:34.766 INFO [stderr] warning: method is never used: `set_color`
Dec 05 08:29:34.766 INFO [stderr]    --> src/main.rs:120:5
Dec 05 08:29:34.766 INFO [stderr]     |
Dec 05 08:29:34.766 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 05 08:29:34.766 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:34.766 INFO [stderr] 
Dec 05 08:29:35.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 05 08:29:35.380 INFO [stderr] su: No module specific data is present
Dec 05 08:29:36.198 INFO running `"docker" "inspect" "36a6ad0aced75e386dd143ea8ab042b1cb508e20bae8e83de1433401f5252b59"`
Dec 05 08:29:36.386 INFO running `"docker" "rm" "-f" "36a6ad0aced75e386dd143ea8ab042b1cb508e20bae8e83de1433401f5252b59"`
Dec 05 08:29:36.620 INFO [stdout] 36a6ad0aced75e386dd143ea8ab042b1cb508e20bae8e83de1433401f5252b59
Dec 05 08:29:36.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 08:29:37.122 INFO [stdout] 14828587ec49490500c9ba35d2b399066a21394914fda9e1b36e19685e911eac
Dec 05 08:29:37.124 INFO running `"docker" "start" "-a" "14828587ec49490500c9ba35d2b399066a21394914fda9e1b36e19685e911eac"`
Dec 05 08:29:38.545 INFO [stderr] usermod: no changes
Dec 05 08:29:38.620 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 05 08:29:38.956 INFO [stderr] warning: variant is never constructed: `Red`
Dec 05 08:29:38.956 INFO [stderr]  --> src/main.rs:7:5
Dec 05 08:29:38.956 INFO [stderr]   |
Dec 05 08:29:38.956 INFO [stderr] 7 |     Red,
Dec 05 08:29:38.956 INFO [stderr]   |     ^^^
Dec 05 08:29:38.956 INFO [stderr]   |
Dec 05 08:29:38.956 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 08:29:38.956 INFO [stderr] 
Dec 05 08:29:38.956 INFO [stderr] warning: enum is never used: `Direction`
Dec 05 08:29:38.956 INFO [stderr]   --> src/main.rs:12:1
Dec 05 08:29:38.956 INFO [stderr]    |
Dec 05 08:29:38.956 INFO [stderr] 12 | enum Direction {
Dec 05 08:29:38.956 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 05 08:29:38.956 INFO [stderr] 
Dec 05 08:29:38.956 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 05 08:29:38.956 INFO [stderr]   --> src/main.rs:79:1
Dec 05 08:29:38.956 INFO [stderr]    |
Dec 05 08:29:38.960 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 05 08:29:38.960 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:38.960 INFO [stderr] 
Dec 05 08:29:38.960 INFO [stderr] warning: function is never used: `insert_n`
Dec 05 08:29:38.960 INFO [stderr]   --> src/main.rs:85:1
Dec 05 08:29:38.960 INFO [stderr]    |
Dec 05 08:29:38.960 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 05 08:29:38.960 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:38.960 INFO [stderr] 
Dec 05 08:29:38.960 INFO [stderr] warning: method is never used: `set_color`
Dec 05 08:29:38.960 INFO [stderr]    --> src/main.rs:120:5
Dec 05 08:29:38.960 INFO [stderr]     |
Dec 05 08:29:38.960 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 05 08:29:38.960 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:38.960 INFO [stderr] 
Dec 05 08:29:39.387 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 05 08:29:39.389 INFO [stderr] su: No module specific data is present
Dec 05 08:29:40.092 INFO running `"docker" "inspect" "14828587ec49490500c9ba35d2b399066a21394914fda9e1b36e19685e911eac"`
Dec 05 08:29:40.392 INFO running `"docker" "rm" "-f" "14828587ec49490500c9ba35d2b399066a21394914fda9e1b36e19685e911eac"`
Dec 05 08:29:40.684 INFO [stdout] 14828587ec49490500c9ba35d2b399066a21394914fda9e1b36e19685e911eac
Dec 05 08:29:40.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 08:29:41.186 INFO [stdout] 9ae325acee11d8d3baf5403aff5889e674b9607d8b6a58b8a276678c6a581926
Dec 05 08:29:41.192 INFO running `"docker" "start" "-a" "9ae325acee11d8d3baf5403aff5889e674b9607d8b6a58b8a276678c6a581926"`
Dec 05 08:29:42.129 INFO [stderr] usermod: no changes
Dec 05 08:29:42.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 05 08:29:42.209 INFO [stderr]      Running /target/debug/deps/rbtree-e0ed29f861719bf6
Dec 05 08:29:42.214 INFO [stdout] 
Dec 05 08:29:42.214 INFO [stdout] running 0 tests
Dec 05 08:29:42.214 INFO [stdout] 
Dec 05 08:29:42.214 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 08:29:42.214 INFO [stdout] 
Dec 05 08:29:42.216 INFO [stderr] su: No module specific data is present
Dec 05 08:29:43.198 INFO running `"docker" "inspect" "9ae325acee11d8d3baf5403aff5889e674b9607d8b6a58b8a276678c6a581926"`
Dec 05 08:29:43.586 INFO running `"docker" "rm" "-f" "9ae325acee11d8d3baf5403aff5889e674b9607d8b6a58b8a276678c6a581926"`
Dec 05 08:29:43.928 INFO [stdout] 9ae325acee11d8d3baf5403aff5889e674b9607d8b6a58b8a276678c6a581926