Dec 13 04:22:17.369 INFO testing sbwtw/RBTree against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 04:22:17.369 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 04:22:17.883 INFO [stdout] ef86a0d9307390652ae40ef0265baf6ab3c4871987bda5a722c007cbd3cc4de0
Dec 13 04:22:17.891 INFO running `"docker" "start" "-a" "ef86a0d9307390652ae40ef0265baf6ab3c4871987bda5a722c007cbd3cc4de0"`
Dec 13 04:22:19.143 INFO [stderr] usermod: no changes
Dec 13 04:22:19.207 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 13 04:22:19.655 INFO [stderr] warning: variant is never constructed: `Red`
Dec 13 04:22:19.655 INFO [stderr]  --> src/main.rs:7:5
Dec 13 04:22:19.655 INFO [stderr]   |
Dec 13 04:22:19.655 INFO [stderr] 7 |     Red,
Dec 13 04:22:19.655 INFO [stderr]   |     ^^^
Dec 13 04:22:19.655 INFO [stderr]   |
Dec 13 04:22:19.655 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 04:22:19.655 INFO [stderr] 
Dec 13 04:22:19.655 INFO [stderr] warning: enum is never used: `Direction`
Dec 13 04:22:19.655 INFO [stderr]   --> src/main.rs:12:1
Dec 13 04:22:19.655 INFO [stderr]    |
Dec 13 04:22:19.655 INFO [stderr] 12 | enum Direction {
Dec 13 04:22:19.655 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 13 04:22:19.655 INFO [stderr] 
Dec 13 04:22:19.655 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 13 04:22:19.655 INFO [stderr]   --> src/main.rs:79:1
Dec 13 04:22:19.655 INFO [stderr]    |
Dec 13 04:22:19.655 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 13 04:22:19.655 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:19.655 INFO [stderr] 
Dec 13 04:22:19.655 INFO [stderr] warning: function is never used: `insert_n`
Dec 13 04:22:19.655 INFO [stderr]   --> src/main.rs:85:1
Dec 13 04:22:19.655 INFO [stderr]    |
Dec 13 04:22:19.655 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 13 04:22:19.655 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:19.655 INFO [stderr] 
Dec 13 04:22:19.655 INFO [stderr] warning: method is never used: `set_color`
Dec 13 04:22:19.655 INFO [stderr]    --> src/main.rs:120:5
Dec 13 04:22:19.655 INFO [stderr]     |
Dec 13 04:22:19.655 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 13 04:22:19.655 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:19.655 INFO [stderr] 
Dec 13 04:22:20.275 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 13 04:22:20.278 INFO [stderr] su: No module specific data is present
Dec 13 04:22:21.215 INFO running `"docker" "inspect" "ef86a0d9307390652ae40ef0265baf6ab3c4871987bda5a722c007cbd3cc4de0"`
Dec 13 04:22:21.559 INFO running `"docker" "rm" "-f" "ef86a0d9307390652ae40ef0265baf6ab3c4871987bda5a722c007cbd3cc4de0"`
Dec 13 04:22:21.952 INFO [stdout] ef86a0d9307390652ae40ef0265baf6ab3c4871987bda5a722c007cbd3cc4de0
Dec 13 04:22:21.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 04:22:22.548 INFO [stdout] bf770e06bb64c8a2135d47faa89d46ee80f713baeb4a5cbeaa0b826060365f94
Dec 13 04:22:22.656 INFO running `"docker" "start" "-a" "bf770e06bb64c8a2135d47faa89d46ee80f713baeb4a5cbeaa0b826060365f94"`
Dec 13 04:22:23.741 INFO [stderr] usermod: no changes
Dec 13 04:22:23.779 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 13 04:22:24.183 INFO [stderr] warning: variant is never constructed: `Red`
Dec 13 04:22:24.183 INFO [stderr]  --> src/main.rs:7:5
Dec 13 04:22:24.183 INFO [stderr]   |
Dec 13 04:22:24.183 INFO [stderr] 7 |     Red,
Dec 13 04:22:24.183 INFO [stderr]   |     ^^^
Dec 13 04:22:24.183 INFO [stderr]   |
Dec 13 04:22:24.183 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 04:22:24.183 INFO [stderr] 
Dec 13 04:22:24.183 INFO [stderr] warning: enum is never used: `Direction`
Dec 13 04:22:24.183 INFO [stderr]   --> src/main.rs:12:1
Dec 13 04:22:24.183 INFO [stderr]    |
Dec 13 04:22:24.183 INFO [stderr] 12 | enum Direction {
Dec 13 04:22:24.183 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 13 04:22:24.183 INFO [stderr] 
Dec 13 04:22:24.183 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 13 04:22:24.183 INFO [stderr]   --> src/main.rs:79:1
Dec 13 04:22:24.183 INFO [stderr]    |
Dec 13 04:22:24.183 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 13 04:22:24.183 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:24.183 INFO [stderr] 
Dec 13 04:22:24.183 INFO [stderr] warning: function is never used: `insert_n`
Dec 13 04:22:24.183 INFO [stderr]   --> src/main.rs:85:1
Dec 13 04:22:24.183 INFO [stderr]    |
Dec 13 04:22:24.183 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 13 04:22:24.183 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:24.183 INFO [stderr] 
Dec 13 04:22:24.183 INFO [stderr] warning: method is never used: `set_color`
Dec 13 04:22:24.183 INFO [stderr]    --> src/main.rs:120:5
Dec 13 04:22:24.183 INFO [stderr]     |
Dec 13 04:22:24.183 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 13 04:22:24.183 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:24.183 INFO [stderr] 
Dec 13 04:22:24.503 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 13 04:22:24.506 INFO [stderr] su: No module specific data is present
Dec 13 04:22:25.425 INFO running `"docker" "inspect" "bf770e06bb64c8a2135d47faa89d46ee80f713baeb4a5cbeaa0b826060365f94"`
Dec 13 04:22:25.687 INFO running `"docker" "rm" "-f" "bf770e06bb64c8a2135d47faa89d46ee80f713baeb4a5cbeaa0b826060365f94"`
Dec 13 04:22:25.992 INFO [stdout] bf770e06bb64c8a2135d47faa89d46ee80f713baeb4a5cbeaa0b826060365f94
Dec 13 04:22:26.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 04:22:26.392 INFO [stdout] 512975c5707573ed9ffc06bd1f60785c6dc0dcfbb7efaf71e6f59cfcd53200ab
Dec 13 04:22:26.394 INFO running `"docker" "start" "-a" "512975c5707573ed9ffc06bd1f60785c6dc0dcfbb7efaf71e6f59cfcd53200ab"`
Dec 13 04:22:27.291 INFO [stderr] usermod: no changes
Dec 13 04:22:27.336 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 04:22:27.337 INFO [stderr]      Running /target/debug/deps/rbtree-8abfdc13c3186b3d
Dec 13 04:22:27.340 INFO [stdout] 
Dec 13 04:22:27.340 INFO [stdout] running 0 tests
Dec 13 04:22:27.340 INFO [stdout] 
Dec 13 04:22:27.340 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 04:22:27.340 INFO [stdout] 
Dec 13 04:22:27.342 INFO [stderr] su: No module specific data is present
Dec 13 04:22:27.921 INFO running `"docker" "inspect" "512975c5707573ed9ffc06bd1f60785c6dc0dcfbb7efaf71e6f59cfcd53200ab"`
Dec 13 04:22:28.173 INFO running `"docker" "rm" "-f" "512975c5707573ed9ffc06bd1f60785c6dc0dcfbb7efaf71e6f59cfcd53200ab"`
Dec 13 04:22:28.486 INFO [stdout] 512975c5707573ed9ffc06bd1f60785c6dc0dcfbb7efaf71e6f59cfcd53200ab