[INFO] fetching crate llrb 0.0.1...
[INFO] testing llrb-0.0.1 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate llrb 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate llrb 0.0.1 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac7fa2b5b029d6a841e243764098020c71b752d4a00cd4360cb6dc424588120
[INFO] running `Command { std: "docker" "start" "-a" "2ac7fa2b5b029d6a841e243764098020c71b752d4a00cd4360cb6dc424588120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac7fa2b5b029d6a841e243764098020c71b752d4a00cd4360cb6dc424588120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac7fa2b5b029d6a841e243764098020c71b752d4a00cd4360cb6dc424588120", kill_on_drop: false }`
[INFO] [stdout] 2ac7fa2b5b029d6a841e243764098020c71b752d4a00cd4360cb6dc424588120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2cbc960ccf0d21d2d589a0465ce608144ef4341213466daaf3bef0098c64725
[INFO] running `Command { std: "docker" "start" "-a" "b2cbc960ccf0d21d2d589a0465ce608144ef4341213466daaf3bef0098c64725", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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: methods `move_red_right`, `move_red_left`, and `min` are never used
[INFO] [stdout]    --> src/lib.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 49  | impl<K: Ord, V> LLRB<K, V> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     fn move_red_right(&mut self) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 93  |
[INFO] [stdout] 94  |     fn move_red_left(&mut self) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "b2cbc960ccf0d21d2d589a0465ce608144ef4341213466daaf3bef0098c64725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cbc960ccf0d21d2d589a0465ce608144ef4341213466daaf3bef0098c64725", kill_on_drop: false }`
[INFO] [stdout] b2cbc960ccf0d21d2d589a0465ce608144ef4341213466daaf3bef0098c64725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec11d388c3f469fef3d4b0535bb839af8e5a356816f775b549cc7e0367b7516
[INFO] running `Command { std: "docker" "start" "-a" "1ec11d388c3f469fef3d4b0535bb839af8e5a356816f775b549cc7e0367b7516", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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] [stderr]    Compiling llrb v0.0.1 (/opt/rustwide/workdir)
[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: methods `move_red_right`, `move_red_left`, and `min` are never used
[INFO] [stdout]    --> src/lib.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 49  | impl<K: Ord, V> LLRB<K, V> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     fn move_red_right(&mut self) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 93  |
[INFO] [stdout] 94  |     fn move_red_left(&mut self) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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: methods `move_red_right`, `move_red_left`, and `min` are never used
[INFO] [stdout]    --> src/lib.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 49  | impl<K: Ord, V> LLRB<K, V> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     fn move_red_right(&mut self) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 93  |
[INFO] [stdout] 94  |     fn move_red_left(&mut self) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "1ec11d388c3f469fef3d4b0535bb839af8e5a356816f775b549cc7e0367b7516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec11d388c3f469fef3d4b0535bb839af8e5a356816f775b549cc7e0367b7516", kill_on_drop: false }`
[INFO] [stdout] 1ec11d388c3f469fef3d4b0535bb839af8e5a356816f775b549cc7e0367b7516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 918036318ce63da5e6b70897229c430696b7c0e4e8acc82e1974a4467c0416dc
[INFO] running `Command { std: "docker" "start" "-a" "918036318ce63da5e6b70897229c430696b7c0e4e8acc82e1974a4467c0416dc", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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: methods `move_red_right`, `move_red_left`, and `min` are never used
[INFO] [stderr]    --> src/lib.rs:92:8
[INFO] [stderr]     |
[INFO] [stderr] 49  | impl<K: Ord, V> LLRB<K, V> {
[INFO] [stderr]     | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 92  |     fn move_red_right(&mut self) {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 93  |
[INFO] [stderr] 94  |     fn move_red_left(&mut self) {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 303 |     fn min(&self) -> &LLRB<K, V> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `llrb` (lib) generated 4 warnings
[INFO] [stderr] warning: `llrb` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/llrb-d90b54e229839e0f)
[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>::len (line 343) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::insert (line 221) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::contains_key (line 155) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::is_empty (line 376) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::get (line 116) ... ok
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::append (line 311) ... FAILED
[INFO] [stdout] test src/lib.rs - LLRB<K,V>::remove (line 276) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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 src/lib.rs:19:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 3
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555740766d0a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x555740766d0a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555740766d0a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x555740766d0a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x555740782d43 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x555740782d43 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x555740764773 - std::io::Write::write_fmt::hf1c1dcc8cc1287f0
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x555740766b52 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x555740767b1c - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x555740767962 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x555740768117 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x555740767faa - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x5557407671e9 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x555740767c3c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x555740782080 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   15:     0x555740782372 - core::panicking::assert_failed_inner::h04f38944d74a80a8
[INFO] [stdout]   16:     0x5557407467a2 - core::panicking::assert_failed::hf3bcc62addee7b72
[INFO] [stdout]   17:     0x555740747a0b - rust_out::main::_doctest_main_src_lib_rs_311_0::h00e18bdf97c328c9
[INFO] [stdout]   18:     0x555740747856 - rust_out::main::ha213a30daa5df4da
[INFO] [stdout]   19:     0x555740746363 - core::ops::function::FnOnce::call_once::hf7edf7132571051c
[INFO] [stdout]   20:     0x555740746186 - std::sys::backtrace::__rust_begin_short_backtrace::h32fd822fd2ba4079
[INFO] [stdout]   21:     0x555740746169 - std::rt::lang_start::{{closure}}::h4039a1c394ed4f7c
[INFO] [stdout]   22:     0x555740762c57 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd87d66b906e0ccaf
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   23:     0x555740762c57 - std::panicking::try::do_call::hae3703de71fc9e3a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   24:     0x555740762c57 - std::panicking::try::h1178330e9a2b2645
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   25:     0x555740762c57 - std::panic::catch_unwind::h0acf49d2305d32ad
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   26:     0x555740762c57 - std::rt::lang_start_internal::{{closure}}::h2d95182d798177be
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:48
[INFO] [stdout]   27:     0x555740762c57 - std::panicking::try::do_call::hb506f5bfe11fd30c
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x555740762c57 - std::panicking::try::h54d825c46bd0fa95
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x555740762c57 - std::panic::catch_unwind::hffbb0ad20c4e9fac
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x555740762c57 - std::rt::lang_start_internal::h52c291ef1962c925
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:20
[INFO] [stdout]   31:     0x555740746147 - std::rt::lang_start::h8c6075cd6f225ba1
[INFO] [stdout]   32:     0x555740747d55 - main
[INFO] [stdout]   33:     0x798da520ad90 - <unknown>
[INFO] [stdout]   34:     0x798da520ae40 - __libc_start_main
[INFO] [stdout]   35:     0x555740746055 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[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 src/lib.rs:9:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: None
[INFO] [stdout]  right: Some("a")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61c777a5161a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x61c777a5161a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x61c777a5161a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61c777a5161a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61c777a6d5f3 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x61c777a6d5f3 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x61c777a4f083 - std::io::Write::write_fmt::hf1c1dcc8cc1287f0
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x61c777a51462 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x61c777a5242c - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x61c777a52272 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x61c777a52a27 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x61c777a528ba - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x61c777a51af9 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x61c777a5254c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x61c777a6c930 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   15:     0x61c777a6cc22 - core::panicking::assert_failed_inner::h04f38944d74a80a8
[INFO] [stdout]   16:     0x61c777a313e8 - core::panicking::assert_failed::hd9a3870b2ede4d98
[INFO] [stdout]   17:     0x61c777a32580 - rust_out::main::_doctest_main_src_lib_rs_276_0::h7f3ab62a6a97bef0
[INFO] [stdout]   18:     0x61c777a32496 - rust_out::main::ha213a30daa5df4da
[INFO] [stdout]   19:     0x61c777a31043 - core::ops::function::FnOnce::call_once::hf7edf7132571051c
[INFO] [stdout]   20:     0x61c777a30ed6 - std::sys::backtrace::__rust_begin_short_backtrace::h32fd822fd2ba4079
[INFO] [stdout]   21:     0x61c777a30eb9 - std::rt::lang_start::{{closure}}::h4039a1c394ed4f7c
[INFO] [stdout]   22:     0x61c777a4d567 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd87d66b906e0ccaf
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   23:     0x61c777a4d567 - std::panicking::try::do_call::hae3703de71fc9e3a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   24:     0x61c777a4d567 - std::panicking::try::h1178330e9a2b2645
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   25:     0x61c777a4d567 - std::panic::catch_unwind::h0acf49d2305d32ad
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   26:     0x61c777a4d567 - std::rt::lang_start_internal::{{closure}}::h2d95182d798177be
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:48
[INFO] [stdout]   27:     0x61c777a4d567 - std::panicking::try::do_call::hb506f5bfe11fd30c
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x61c777a4d567 - std::panicking::try::h54d825c46bd0fa95
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x61c777a4d567 - std::panic::catch_unwind::hffbb0ad20c4e9fac
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x61c777a4d567 - std::rt::lang_start_internal::h52c291ef1962c925
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:20
[INFO] [stdout]   31:     0x61c777a30e97 - std::rt::lang_start::h8c6075cd6f225ba1
[INFO] [stdout]   32:     0x61c777a32665 - main
[INFO] [stdout]   33:     0x7b2225840d90 - <unknown>
[INFO] [stdout]   34:     0x7b2225840e40 - __libc_start_main
[INFO] [stdout]   35:     0x61c777a30da5 - _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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "918036318ce63da5e6b70897229c430696b7c0e4e8acc82e1974a4467c0416dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918036318ce63da5e6b70897229c430696b7c0e4e8acc82e1974a4467c0416dc", kill_on_drop: false }`
[INFO] [stdout] 918036318ce63da5e6b70897229c430696b7c0e4e8acc82e1974a4467c0416dc
