Dec 13 04:22:12.876 INFO testing sbwtw/RBTree against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 04:22:12.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 04:22:13.291 INFO [stdout] 9ac9d70c0eb997db3b2d4e20638afadffd1c7d12a44636852344767d5419f4d0
Dec 13 04:22:13.296 INFO running `"docker" "start" "-a" "9ac9d70c0eb997db3b2d4e20638afadffd1c7d12a44636852344767d5419f4d0"`
Dec 13 04:22:14.627 INFO [stderr] usermod: no changes
Dec 13 04:22:14.703 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 13 04:22:15.110 INFO [stderr] warning: variant is never constructed: `Red`
Dec 13 04:22:15.110 INFO [stderr]  --> src/main.rs:7:5
Dec 13 04:22:15.110 INFO [stderr]   |
Dec 13 04:22:15.110 INFO [stderr] 7 |     Red,
Dec 13 04:22:15.110 INFO [stderr]   |     ^^^
Dec 13 04:22:15.110 INFO [stderr]   |
Dec 13 04:22:15.110 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 04:22:15.110 INFO [stderr] 
Dec 13 04:22:15.110 INFO [stderr] warning: enum is never used: `Direction`
Dec 13 04:22:15.110 INFO [stderr]   --> src/main.rs:12:1
Dec 13 04:22:15.110 INFO [stderr]    |
Dec 13 04:22:15.110 INFO [stderr] 12 | enum Direction {
Dec 13 04:22:15.110 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 13 04:22:15.110 INFO [stderr] 
Dec 13 04:22:15.110 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 13 04:22:15.110 INFO [stderr]   --> src/main.rs:79:1
Dec 13 04:22:15.110 INFO [stderr]    |
Dec 13 04:22:15.110 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 13 04:22:15.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:15.111 INFO [stderr] 
Dec 13 04:22:15.111 INFO [stderr] warning: function is never used: `insert_n`
Dec 13 04:22:15.111 INFO [stderr]   --> src/main.rs:85:1
Dec 13 04:22:15.111 INFO [stderr]    |
Dec 13 04:22:15.111 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 13 04:22:15.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:15.111 INFO [stderr] 
Dec 13 04:22:15.111 INFO [stderr] warning: method is never used: `set_color`
Dec 13 04:22:15.111 INFO [stderr]    --> src/main.rs:120:5
Dec 13 04:22:15.111 INFO [stderr]     |
Dec 13 04:22:15.111 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 13 04:22:15.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:15.111 INFO [stderr] 
Dec 13 04:22:15.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 13 04:22:15.711 INFO [stderr] su: No module specific data is present
Dec 13 04:22:16.707 INFO running `"docker" "inspect" "9ac9d70c0eb997db3b2d4e20638afadffd1c7d12a44636852344767d5419f4d0"`
Dec 13 04:22:16.942 INFO running `"docker" "rm" "-f" "9ac9d70c0eb997db3b2d4e20638afadffd1c7d12a44636852344767d5419f4d0"`
Dec 13 04:22:17.207 INFO [stdout] 9ac9d70c0eb997db3b2d4e20638afadffd1c7d12a44636852344767d5419f4d0
Dec 13 04:22:17.219 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 04:22:17.813 INFO [stdout] c757028b4bf5769ea40aa0a9723e42a14ea3f9433a347776a805bc074943b97c
Dec 13 04:22:17.816 INFO running `"docker" "start" "-a" "c757028b4bf5769ea40aa0a9723e42a14ea3f9433a347776a805bc074943b97c"`
Dec 13 04:22:19.097 INFO [stderr] usermod: no changes
Dec 13 04:22:19.149 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 13 04:22:19.667 INFO [stderr] warning: variant is never constructed: `Red`
Dec 13 04:22:19.667 INFO [stderr]  --> src/main.rs:7:5
Dec 13 04:22:19.667 INFO [stderr]   |
Dec 13 04:22:19.667 INFO [stderr] 7 |     Red,
Dec 13 04:22:19.667 INFO [stderr]   |     ^^^
Dec 13 04:22:19.667 INFO [stderr]   |
Dec 13 04:22:19.667 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 04:22:19.667 INFO [stderr] 
Dec 13 04:22:19.667 INFO [stderr] warning: enum is never used: `Direction`
Dec 13 04:22:19.667 INFO [stderr]   --> src/main.rs:12:1
Dec 13 04:22:19.667 INFO [stderr]    |
Dec 13 04:22:19.667 INFO [stderr] 12 | enum Direction {
Dec 13 04:22:19.667 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 13 04:22:19.667 INFO [stderr] 
Dec 13 04:22:19.667 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 13 04:22:19.667 INFO [stderr]   --> src/main.rs:79:1
Dec 13 04:22:19.667 INFO [stderr]    |
Dec 13 04:22:19.667 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 13 04:22:19.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:19.667 INFO [stderr] 
Dec 13 04:22:19.667 INFO [stderr] warning: function is never used: `insert_n`
Dec 13 04:22:19.667 INFO [stderr]   --> src/main.rs:85:1
Dec 13 04:22:19.667 INFO [stderr]    |
Dec 13 04:22:19.667 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 13 04:22:19.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:19.667 INFO [stderr] 
Dec 13 04:22:19.667 INFO [stderr] warning: method is never used: `set_color`
Dec 13 04:22:19.667 INFO [stderr]    --> src/main.rs:120:5
Dec 13 04:22:19.667 INFO [stderr]     |
Dec 13 04:22:19.667 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 13 04:22:19.667 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:22:19.667 INFO [stderr] 
Dec 13 04:22:20.050 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 13 04:22:20.052 INFO [stderr] su: No module specific data is present
Dec 13 04:22:20.835 INFO running `"docker" "inspect" "c757028b4bf5769ea40aa0a9723e42a14ea3f9433a347776a805bc074943b97c"`
Dec 13 04:22:21.161 INFO running `"docker" "rm" "-f" "c757028b4bf5769ea40aa0a9723e42a14ea3f9433a347776a805bc074943b97c"`
Dec 13 04:22:21.479 INFO [stdout] c757028b4bf5769ea40aa0a9723e42a14ea3f9433a347776a805bc074943b97c
Dec 13 04:22:21.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 04:22:22.019 INFO [stdout] 2776afad2e05d22a652203bbec7473cee3c31faa3e3c399a64a8ad48839fecd8
Dec 13 04:22:22.020 INFO running `"docker" "start" "-a" "2776afad2e05d22a652203bbec7473cee3c31faa3e3c399a64a8ad48839fecd8"`
Dec 13 04:22:23.130 INFO [stderr] usermod: no changes
Dec 13 04:22:23.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 04:22:23.193 INFO [stderr]      Running /target/debug/deps/rbtree-385eb807807e1029
Dec 13 04:22:23.193 INFO [stdout] 
Dec 13 04:22:23.193 INFO [stdout] running 0 tests
Dec 13 04:22:23.193 INFO [stdout] 
Dec 13 04:22:23.193 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 04:22:23.193 INFO [stdout] 
Dec 13 04:22:23.215 INFO [stderr] su: No module specific data is present
Dec 13 04:22:23.888 INFO running `"docker" "inspect" "2776afad2e05d22a652203bbec7473cee3c31faa3e3c399a64a8ad48839fecd8"`
Dec 13 04:22:24.121 INFO running `"docker" "rm" "-f" "2776afad2e05d22a652203bbec7473cee3c31faa3e3c399a64a8ad48839fecd8"`
Dec 13 04:22:24.367 INFO [stdout] 2776afad2e05d22a652203bbec7473cee3c31faa3e3c399a64a8ad48839fecd8