Nov 18 07:05:06.731 INFO testing llrb-0.0.1 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 07:05:06.732 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 18 07:05:06.950 INFO [stdout] f07a42e83ebe08823f62391dc2a52d7c93d98711a9f731615a903db325d83ae2
Nov 18 07:05:06.952 INFO running `"docker" "start" "-a" "f07a42e83ebe08823f62391dc2a52d7c93d98711a9f731615a903db325d83ae2"`
Nov 18 07:05:07.355 INFO [stderr] usermod: no changes
Nov 18 07:05:07.388 INFO [stderr]    Compiling llrb v0.0.1 (/source)
Nov 18 07:05:07.721 INFO [stderr] warning: unused variable: `right_is_red`
Nov 18 07:05:07.721 INFO [stderr]    --> src/lib.rs:288:13
Nov 18 07:05:07.721 INFO [stderr]     |
Nov 18 07:05:07.721 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Nov 18 07:05:07.721 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Nov 18 07:05:07.721 INFO [stderr]     |
Nov 18 07:05:07.721 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 07:05:07.721 INFO [stderr] 
Nov 18 07:05:07.721 INFO [stderr] warning: unused variable: `val`
Nov 18 07:05:07.721 INFO [stderr]    --> src/lib.rs:289:43
Nov 18 07:05:07.721 INFO [stderr]     |
Nov 18 07:05:07.721 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Nov 18 07:05:07.721 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Nov 18 07:05:07.721 INFO [stderr] 
Nov 18 07:05:07.721 INFO [stderr] warning: unused variable: `other`
Nov 18 07:05:07.721 INFO [stderr]    --> src/lib.rs:335:30
Nov 18 07:05:07.721 INFO [stderr]     |
Nov 18 07:05:07.721 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Nov 18 07:05:07.721 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Nov 18 07:05:07.721 INFO [stderr] 
Nov 18 07:05:07.733 INFO [stderr] warning: method is never used: `move_red_right`
Nov 18 07:05:07.733 INFO [stderr]   --> src/lib.rs:92:5
Nov 18 07:05:07.733 INFO [stderr]    |
Nov 18 07:05:07.733 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Nov 18 07:05:07.733 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 07:05:07.733 INFO [stderr]    |
Nov 18 07:05:07.733 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 07:05:07.733 INFO [stderr] 
Nov 18 07:05:07.733 INFO [stderr] warning: method is never used: `move_red_left`
Nov 18 07:05:07.733 INFO [stderr]   --> src/lib.rs:94:5
Nov 18 07:05:07.733 INFO [stderr]    |
Nov 18 07:05:07.733 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Nov 18 07:05:07.733 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 07:05:07.733 INFO [stderr] 
Nov 18 07:05:07.733 INFO [stderr] warning: method is never used: `min`
Nov 18 07:05:07.733 INFO [stderr]    --> src/lib.rs:303:5
Nov 18 07:05:07.733 INFO [stderr]     |
Nov 18 07:05:07.733 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Nov 18 07:05:07.733 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 07:05:07.733 INFO [stderr] 
Nov 18 07:05:07.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Nov 18 07:05:07.773 INFO [stderr] su: No module specific data is present
Nov 18 07:05:08.056 INFO running `"docker" "inspect" "f07a42e83ebe08823f62391dc2a52d7c93d98711a9f731615a903db325d83ae2"`
Nov 18 07:05:08.133 INFO running `"docker" "rm" "-f" "f07a42e83ebe08823f62391dc2a52d7c93d98711a9f731615a903db325d83ae2"`
Nov 18 07:05:08.200 INFO [stdout] f07a42e83ebe08823f62391dc2a52d7c93d98711a9f731615a903db325d83ae2
Nov 18 07:05:08.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 18 07:05:08.377 INFO [stdout] 28b37a01ea435b5de3b22fd2bc895b2f54b64d3e31cc8edb87667c14470334ec
Nov 18 07:05:08.380 INFO running `"docker" "start" "-a" "28b37a01ea435b5de3b22fd2bc895b2f54b64d3e31cc8edb87667c14470334ec"`
Nov 18 07:05:08.795 INFO [stderr] usermod: no changes
Nov 18 07:05:08.826 INFO [stderr]    Compiling llrb v0.0.1 (/source)
Nov 18 07:05:09.367 INFO [stderr] warning: unused variable: `right_is_red`
Nov 18 07:05:09.367 INFO [stderr]    --> src/lib.rs:288:13
Nov 18 07:05:09.367 INFO [stderr]     |
Nov 18 07:05:09.367 INFO [stderr] 288 |         let right_is_red = is_red(&self.left);
Nov 18 07:05:09.367 INFO [stderr]     |             ^^^^^^^^^^^^ help: consider using `_right_is_red` instead
Nov 18 07:05:09.367 INFO [stderr]     |
Nov 18 07:05:09.367 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 07:05:09.367 INFO [stderr] 
Nov 18 07:05:09.367 INFO [stderr] warning: unused variable: `val`
Nov 18 07:05:09.367 INFO [stderr]    --> src/lib.rs:289:43
Nov 18 07:05:09.367 INFO [stderr]     |
Nov 18 07:05:09.367 INFO [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
Nov 18 07:05:09.367 INFO [stderr]     |                                           ^^^ help: consider using `_val` instead
Nov 18 07:05:09.367 INFO [stderr] 
Nov 18 07:05:09.367 INFO [stderr] warning: unused variable: `other`
Nov 18 07:05:09.367 INFO [stderr]    --> src/lib.rs:335:30
Nov 18 07:05:09.367 INFO [stderr]     |
Nov 18 07:05:09.367 INFO [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
Nov 18 07:05:09.368 INFO [stderr]     |                              ^^^^^ help: consider using `_other` instead
Nov 18 07:05:09.368 INFO [stderr] 
Nov 18 07:05:09.379 INFO [stderr] warning: method is never used: `move_red_right`
Nov 18 07:05:09.379 INFO [stderr]   --> src/lib.rs:92:5
Nov 18 07:05:09.379 INFO [stderr]    |
Nov 18 07:05:09.379 INFO [stderr] 92 |     fn move_red_right(&mut self) {}
Nov 18 07:05:09.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 07:05:09.379 INFO [stderr]    |
Nov 18 07:05:09.379 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 07:05:09.380 INFO [stderr] 
Nov 18 07:05:09.380 INFO [stderr] warning: method is never used: `move_red_left`
Nov 18 07:05:09.380 INFO [stderr]   --> src/lib.rs:94:5
Nov 18 07:05:09.380 INFO [stderr]    |
Nov 18 07:05:09.380 INFO [stderr] 94 |     fn move_red_left(&mut self) {}
Nov 18 07:05:09.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 07:05:09.380 INFO [stderr] 
Nov 18 07:05:09.380 INFO [stderr] warning: method is never used: `min`
Nov 18 07:05:09.380 INFO [stderr]    --> src/lib.rs:303:5
Nov 18 07:05:09.380 INFO [stderr]     |
Nov 18 07:05:09.380 INFO [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
Nov 18 07:05:09.380 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 07:05:09.380 INFO [stderr] 
Nov 18 07:05:09.639 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 18 07:05:09.641 INFO [stderr] su: No module specific data is present
Nov 18 07:05:10.074 INFO running `"docker" "inspect" "28b37a01ea435b5de3b22fd2bc895b2f54b64d3e31cc8edb87667c14470334ec"`
Nov 18 07:05:10.260 INFO running `"docker" "rm" "-f" "28b37a01ea435b5de3b22fd2bc895b2f54b64d3e31cc8edb87667c14470334ec"`
Nov 18 07:05:10.508 INFO [stdout] 28b37a01ea435b5de3b22fd2bc895b2f54b64d3e31cc8edb87667c14470334ec