Dec 05 08:29:30.469 INFO testing sbwtw/RBTree against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 08:29:30.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 08:29:30.879 INFO [stdout] e914062e6c1f784d6b7afef9855fca5e655d047a4c1c3c766d980025763c3f28
Dec 05 08:29:30.882 INFO running `"docker" "start" "-a" "e914062e6c1f784d6b7afef9855fca5e655d047a4c1c3c766d980025763c3f28"`
Dec 05 08:29:32.240 INFO [stderr] usermod: no changes
Dec 05 08:29:32.324 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 05 08:29:32.720 INFO [stderr] warning: variant is never constructed: `Red`
Dec 05 08:29:32.720 INFO [stderr]  --> src/main.rs:7:5
Dec 05 08:29:32.720 INFO [stderr]   |
Dec 05 08:29:32.720 INFO [stderr] 7 |     Red,
Dec 05 08:29:32.720 INFO [stderr]   |     ^^^
Dec 05 08:29:32.720 INFO [stderr]   |
Dec 05 08:29:32.720 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 08:29:32.720 INFO [stderr] 
Dec 05 08:29:32.720 INFO [stderr] warning: enum is never used: `Direction`
Dec 05 08:29:32.720 INFO [stderr]   --> src/main.rs:12:1
Dec 05 08:29:32.720 INFO [stderr]    |
Dec 05 08:29:32.720 INFO [stderr] 12 | enum Direction {
Dec 05 08:29:32.720 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 05 08:29:32.720 INFO [stderr] 
Dec 05 08:29:32.720 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 05 08:29:32.720 INFO [stderr]   --> src/main.rs:79:1
Dec 05 08:29:32.720 INFO [stderr]    |
Dec 05 08:29:32.720 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 05 08:29:32.720 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:32.720 INFO [stderr] 
Dec 05 08:29:32.720 INFO [stderr] warning: function is never used: `insert_n`
Dec 05 08:29:32.720 INFO [stderr]   --> src/main.rs:85:1
Dec 05 08:29:32.720 INFO [stderr]    |
Dec 05 08:29:32.720 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 05 08:29:32.720 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:32.720 INFO [stderr] 
Dec 05 08:29:32.720 INFO [stderr] warning: method is never used: `set_color`
Dec 05 08:29:32.720 INFO [stderr]    --> src/main.rs:120:5
Dec 05 08:29:32.720 INFO [stderr]     |
Dec 05 08:29:32.720 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 05 08:29:32.720 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:32.720 INFO [stderr] 
Dec 05 08:29:33.401 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 05 08:29:33.404 INFO [stderr] su: No module specific data is present
Dec 05 08:29:34.332 INFO running `"docker" "inspect" "e914062e6c1f784d6b7afef9855fca5e655d047a4c1c3c766d980025763c3f28"`
Dec 05 08:29:34.610 INFO running `"docker" "rm" "-f" "e914062e6c1f784d6b7afef9855fca5e655d047a4c1c3c766d980025763c3f28"`
Dec 05 08:29:34.984 INFO [stdout] e914062e6c1f784d6b7afef9855fca5e655d047a4c1c3c766d980025763c3f28
Dec 05 08:29:34.990 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 08:29:35.404 INFO [stdout] 0d889a35d335e3373e1d9dcf76f8d442821eadb6e96ae14313b35ea5bfa7a0ff
Dec 05 08:29:35.410 INFO running `"docker" "start" "-a" "0d889a35d335e3373e1d9dcf76f8d442821eadb6e96ae14313b35ea5bfa7a0ff"`
Dec 05 08:29:36.692 INFO [stderr] usermod: no changes
Dec 05 08:29:36.760 INFO [stderr]    Compiling rbtree v0.1.0 (/source)
Dec 05 08:29:37.144 INFO [stderr] warning: variant is never constructed: `Red`
Dec 05 08:29:37.145 INFO [stderr]  --> src/main.rs:7:5
Dec 05 08:29:37.145 INFO [stderr]   |
Dec 05 08:29:37.145 INFO [stderr] 7 |     Red,
Dec 05 08:29:37.145 INFO [stderr]   |     ^^^
Dec 05 08:29:37.145 INFO [stderr]   |
Dec 05 08:29:37.145 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 08:29:37.145 INFO [stderr] 
Dec 05 08:29:37.145 INFO [stderr] warning: enum is never used: `Direction`
Dec 05 08:29:37.145 INFO [stderr]   --> src/main.rs:12:1
Dec 05 08:29:37.145 INFO [stderr]    |
Dec 05 08:29:37.145 INFO [stderr] 12 | enum Direction {
Dec 05 08:29:37.145 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 05 08:29:37.145 INFO [stderr] 
Dec 05 08:29:37.145 INFO [stderr] warning: function is never used: `ensure_root_black`
Dec 05 08:29:37.145 INFO [stderr]   --> src/main.rs:79:1
Dec 05 08:29:37.145 INFO [stderr]    |
Dec 05 08:29:37.145 INFO [stderr] 79 | fn ensure_root_black<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>) {
Dec 05 08:29:37.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:37.145 INFO [stderr] 
Dec 05 08:29:37.145 INFO [stderr] warning: function is never used: `insert_n`
Dec 05 08:29:37.145 INFO [stderr]   --> src/main.rs:85:1
Dec 05 08:29:37.145 INFO [stderr]    |
Dec 05 08:29:37.145 INFO [stderr] 85 | fn insert_n<K: KeyTrait, V: ValueTrait>(root: &mut OptNode<K, V>, key: K, value: V) -> Option<V> {
Dec 05 08:29:37.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:37.145 INFO [stderr] 
Dec 05 08:29:37.145 INFO [stderr] warning: method is never used: `set_color`
Dec 05 08:29:37.145 INFO [stderr]    --> src/main.rs:120:5
Dec 05 08:29:37.146 INFO [stderr]     |
Dec 05 08:29:37.146 INFO [stderr] 120 |     fn set_color(&mut self, color: RBColor) {
Dec 05 08:29:37.146 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:29:37.146 INFO [stderr] 
Dec 05 08:29:37.500 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 05 08:29:37.500 INFO [stderr] su: No module specific data is present
Dec 05 08:29:38.162 INFO running `"docker" "inspect" "0d889a35d335e3373e1d9dcf76f8d442821eadb6e96ae14313b35ea5bfa7a0ff"`
Dec 05 08:29:38.482 INFO running `"docker" "rm" "-f" "0d889a35d335e3373e1d9dcf76f8d442821eadb6e96ae14313b35ea5bfa7a0ff"`
Dec 05 08:29:38.864 INFO [stdout] 0d889a35d335e3373e1d9dcf76f8d442821eadb6e96ae14313b35ea5bfa7a0ff
Dec 05 08:29:38.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 08:29:39.312 INFO [stdout] a56b973f41dcc3e135998fe733ec3a15fc320040f3a719591b78cf97aa629b69
Dec 05 08:29:39.320 INFO running `"docker" "start" "-a" "a56b973f41dcc3e135998fe733ec3a15fc320040f3a719591b78cf97aa629b69"`
Dec 05 08:29:40.612 INFO [stderr] usermod: no changes
Dec 05 08:29:40.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 08:29:40.664 INFO [stderr]      Running /target/debug/deps/rbtree-39cf65bea6e0903e
Dec 05 08:29:40.668 INFO [stderr] su: No module specific data is present
Dec 05 08:29:40.668 INFO [stdout] 
Dec 05 08:29:40.668 INFO [stdout] running 0 tests
Dec 05 08:29:40.668 INFO [stdout] 
Dec 05 08:29:40.668 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 08:29:40.668 INFO [stdout] 
Dec 05 08:29:41.766 INFO running `"docker" "inspect" "a56b973f41dcc3e135998fe733ec3a15fc320040f3a719591b78cf97aa629b69"`
Dec 05 08:29:42.026 INFO running `"docker" "rm" "-f" "a56b973f41dcc3e135998fe733ec3a15fc320040f3a719591b78cf97aa629b69"`
Dec 05 08:29:42.295 INFO [stdout] a56b973f41dcc3e135998fe733ec3a15fc320040f3a719591b78cf97aa629b69