[INFO] fetching crate llrb 0.0.1...
[INFO] testing llrb-0.0.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate llrb 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate llrb 0.0.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate llrb 0.0.1
[INFO] finished tweaking crates.io crate llrb 0.0.1
[INFO] tweaked toml for crates.io crate llrb 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9376f4d637f8b1e6bd9a24789bd66676fa4ba55c28495184b06297ee0ed830bb
[INFO] running `Command { std: "docker" "start" "-a" "9376f4d637f8b1e6bd9a24789bd66676fa4ba55c28495184b06297ee0ed830bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9376f4d637f8b1e6bd9a24789bd66676fa4ba55c28495184b06297ee0ed830bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9376f4d637f8b1e6bd9a24789bd66676fa4ba55c28495184b06297ee0ed830bb", kill_on_drop: false }`
[INFO] [stdout] 9376f4d637f8b1e6bd9a24789bd66676fa4ba55c28495184b06297ee0ed830bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca6f23c19f539985b0a0f3f696baf666d506257a8dc99d4a39f416cf534dc13
[INFO] running `Command { std: "docker" "start" "-a" "3ca6f23c19f539985b0a0f3f696baf666d506257a8dc99d4a39f416cf534dc13", kill_on_drop: false }`
[INFO] [stderr]    Compiling llrb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `right_is_red`
[INFO] [stdout]    --> src/lib.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let right_is_red = is_red(&self.left);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_is_red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/lib.rs:289:43
[INFO] [stdout]     |
[INFO] [stdout] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
[INFO] [stdout]     |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn append(&mut self, other: &mut Self) {}
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_red_right` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn move_red_right(&mut self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_red_left` is never used
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn move_red_left(&mut self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]    --> src/lib.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "3ca6f23c19f539985b0a0f3f696baf666d506257a8dc99d4a39f416cf534dc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca6f23c19f539985b0a0f3f696baf666d506257a8dc99d4a39f416cf534dc13", kill_on_drop: false }`
[INFO] [stdout] 3ca6f23c19f539985b0a0f3f696baf666d506257a8dc99d4a39f416cf534dc13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b74c8c20d3a241b48af96b7ebe7cf67d8a98958ff2d5695ffda99489646de36
[INFO] running `Command { std: "docker" "start" "-a" "0b74c8c20d3a241b48af96b7ebe7cf67d8a98958ff2d5695ffda99489646de36", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `right_is_red`
[INFO] [stdout]    --> src/lib.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let right_is_red = is_red(&self.left);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_is_red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/lib.rs:289:43
[INFO] [stdout]     |
[INFO] [stdout] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
[INFO] [stdout]     |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn append(&mut self, other: &mut Self) {}
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling llrb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `move_red_right` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn move_red_right(&mut self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_red_left` is never used
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn move_red_left(&mut self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]    --> src/lib.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_is_red`
[INFO] [stdout]    --> src/lib.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let right_is_red = is_red(&self.left);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_is_red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/lib.rs:289:43
[INFO] [stdout]     |
[INFO] [stdout] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
[INFO] [stdout]     |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/lib.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn append(&mut self, other: &mut Self) {}
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_red_right` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn move_red_right(&mut self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_red_left` is never used
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn move_red_left(&mut self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]    --> src/lib.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0b74c8c20d3a241b48af96b7ebe7cf67d8a98958ff2d5695ffda99489646de36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b74c8c20d3a241b48af96b7ebe7cf67d8a98958ff2d5695ffda99489646de36", kill_on_drop: false }`
[INFO] [stdout] 0b74c8c20d3a241b48af96b7ebe7cf67d8a98958ff2d5695ffda99489646de36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8849dcdb05fdd169b2d9ed6dec486a74cf84aaef4071875ee003b8d7e41c7693
[INFO] running `Command { std: "docker" "start" "-a" "8849dcdb05fdd169b2d9ed6dec486a74cf84aaef4071875ee003b8d7e41c7693", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `right_is_red`
[INFO] [stderr]    --> src/lib.rs:288:13
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let right_is_red = is_red(&self.left);
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_is_red`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/lib.rs:289:43
[INFO] [stderr]     |
[INFO] [stderr] 289 |         if let Some((ref mut key, ref mut val)) = self.kv {
[INFO] [stderr]     |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/lib.rs:335:30
[INFO] [stderr]     |
[INFO] [stderr] 335 |     pub fn append(&mut self, other: &mut Self) {}
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: method `move_red_right` is never used
[INFO] [stderr]   --> src/lib.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn move_red_right(&mut self) {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `move_red_left` is never used
[INFO] [stderr]   --> src/lib.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn move_red_left(&mut self) {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `min` is never used
[INFO] [stderr]    --> src/lib.rs:303:8
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `llrb` (lib) generated 6 warnings (run `cargo fix --lib -p llrb` to apply 3 suggestions)
[INFO] [stderr] warning: `llrb` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/llrb-ae72f47f6b0deb49)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests llrb
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::get_mut (line 176) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::get (line 116) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::is_empty (line 376) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::contains_key (line 155) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::remove (line 276) ... FAILED
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::append (line 311) ... FAILED
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::len (line 343) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::insert (line 221) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LLRB<K,V>::remove (line 276) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `None`,
[INFO] [stdout]  right: `Some("a")`', src/lib.rs:8:1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563f8d4a133a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x563f8d4a133a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563f8d4a133a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x563f8d4a133a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563f8d4baf9e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x563f8d49f4c5 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x563f8d4a1105 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x563f8d4a1105 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x563f8d4a275f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x563f8d4a249b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x563f8d4a2d08 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x563f8d4a2c09 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x563f8d4a17a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x563f8d4a2912 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x563f8d487ee3 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x563f8d48815f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   16:     0x563f8d489016 - core::panicking::assert_failed::h066357aa81f76ba0
[INFO] [stdout]   17:     0x563f8d48a366 - rust_out::main::_doctest_main_src_lib_rs_276_0::h29a82ce7acea2b18
[INFO] [stdout]   18:     0x563f8d48a236 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   19:     0x563f8d488aa3 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   20:     0x563f8d4884e9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   21:     0x563f8d488539 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   22:     0x563f8d49d7fc - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x563f8d49d7fc - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   24:     0x563f8d49d7fc - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   25:     0x563f8d49d7fc - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x563f8d49d7fc - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x563f8d49d7fc - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   28:     0x563f8d49d7fc - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   29:     0x563f8d49d7fc - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x563f8d49d7fc - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x563f8d488517 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   32:     0x563f8d48a445 - main
[INFO] [stdout]   33:     0x7f84fa070d90 - <unknown>
[INFO] [stdout]   34:     0x7f84fa070e40 - __libc_start_main
[INFO] [stdout]   35:     0x563f8d488415 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LLRB<K,V>::append (line 311) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `3`,
[INFO] [stdout]  right: `5`', src/lib.rs:18:1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560f0b43287a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x560f0b43287a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560f0b43287a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x560f0b43287a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560f0b44c4de - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x560f0b430a05 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x560f0b432645 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x560f0b432645 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x560f0b433c9f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x560f0b4339db - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x560f0b434248 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x560f0b434149 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x560f0b432ce6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x560f0b433e52 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x560f0b418ee3 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x560f0b41915f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   16:     0x560f0b41a0d6 - core::panicking::assert_failed::h9b683b40de604dc2
[INFO] [stdout]   17:     0x560f0b41b56e - rust_out::main::_doctest_main_src_lib_rs_311_0::h4fd3893e8233faac
[INFO] [stdout]   18:     0x560f0b41b356 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   19:     0x560f0b419b03 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   20:     0x560f0b4194e9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   21:     0x560f0b419539 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   22:     0x560f0b42ed3c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x560f0b42ed3c - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   24:     0x560f0b42ed3c - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   25:     0x560f0b42ed3c - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x560f0b42ed3c - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x560f0b42ed3c - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   28:     0x560f0b42ed3c - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   29:     0x560f0b42ed3c - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x560f0b42ed3c - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x560f0b419517 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   32:     0x560f0b41b985 - main
[INFO] [stdout]   33:     0x7ff43efced90 - <unknown>
[INFO] [stdout]   34:     0x7ff43efcee40 - __libc_start_main
[INFO] [stdout]   35:     0x560f0b419415 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - LLRB<K,V>::append (line 311)
[INFO] [stdout]     src/lib.rs - LLRB<K,V>::remove (line 276)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8849dcdb05fdd169b2d9ed6dec486a74cf84aaef4071875ee003b8d7e41c7693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8849dcdb05fdd169b2d9ed6dec486a74cf84aaef4071875ee003b8d7e41c7693", kill_on_drop: false }`
[INFO] [stdout] 8849dcdb05fdd169b2d9ed6dec486a74cf84aaef4071875ee003b8d7e41c7693
