[INFO] crate llrb 0.0.1 is already in cache [INFO] testing llrb-0.0.1 against 1.44.0 for beta-1.45-1 [INFO] extracting crate llrb 0.0.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate llrb 0.0.1 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 0d60e2a36e923bd167d5bec2d1c43b5903e29046f512803cc0b653a6371771ea [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "0d60e2a36e923bd167d5bec2d1c43b5903e29046f512803cc0b653a6371771ea"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling llrb v0.0.1 (/opt/rustwide/workdir) [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:289:35 [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 is never used: `move_red_right` [INFO] [stderr] --> src/lib.rs:92:5 [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 is never used: `move_red_left` [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | fn move_red_left(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `min` [INFO] [stderr] --> src/lib.rs:303:5 [INFO] [stderr] | [INFO] [stderr] 303 | fn min(&self) -> &LLRB { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "0d60e2a36e923bd167d5bec2d1c43b5903e29046f512803cc0b653a6371771ea"` [INFO] running `"docker" "rm" "-f" "0d60e2a36e923bd167d5bec2d1c43b5903e29046f512803cc0b653a6371771ea"` [INFO] [stdout] 0d60e2a36e923bd167d5bec2d1c43b5903e29046f512803cc0b653a6371771ea [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 09f7f5de9d6e7f1123c0317c3ca7b017113c8aa4098ae23bfedf762f784fac20 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "09f7f5de9d6e7f1123c0317c3ca7b017113c8aa4098ae23bfedf762f784fac20"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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:289:35 [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 is never used: `move_red_right` [INFO] [stderr] --> src/lib.rs:92:5 [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 is never used: `move_red_left` [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | fn move_red_left(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `min` [INFO] [stderr] --> src/lib.rs:303:5 [INFO] [stderr] | [INFO] [stderr] 303 | fn min(&self) -> &LLRB { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling llrb v0.0.1 (/opt/rustwide/workdir) [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:289:35 [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 is never used: `move_red_right` [INFO] [stderr] --> src/lib.rs:92:5 [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 is never used: `move_red_left` [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | fn move_red_left(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `min` [INFO] [stderr] --> src/lib.rs:303:5 [INFO] [stderr] | [INFO] [stderr] 303 | fn min(&self) -> &LLRB { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `"docker" "inspect" "09f7f5de9d6e7f1123c0317c3ca7b017113c8aa4098ae23bfedf762f784fac20"` [INFO] running `"docker" "rm" "-f" "09f7f5de9d6e7f1123c0317c3ca7b017113c8aa4098ae23bfedf762f784fac20"` [INFO] [stdout] 09f7f5de9d6e7f1123c0317c3ca7b017113c8aa4098ae23bfedf762f784fac20 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 166804bea4fd815bdab4142db88b3b6dbc3748e4f23ea8e8f7ada637c85fed37 [INFO] running `"docker" "start" "-a" "166804bea4fd815bdab4142db88b3b6dbc3748e4f23ea8e8f7ada637c85fed37"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: `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:289:35 [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: `val` [INFO] [stderr] --> src/lib.rs:289:35 [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 is never used: `move_red_right` [INFO] [stderr] --> src/lib.rs:92:5 [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: 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 is never used: `move_red_left` [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | fn move_red_left(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `move_red_right` [INFO] [stderr] --> src/lib.rs:92:5 [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 is never used: `min` [INFO] [stderr] --> src/lib.rs:303:5 [INFO] [stderr] | [INFO] [stderr] 303 | fn min(&self) -> &LLRB { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `move_red_left` [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | fn move_red_left(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `min` [INFO] [stderr] --> src/lib.rs:303:5 [INFO] [stderr] | [INFO] [stderr] 303 | fn min(&self) -> &LLRB { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/llrb-9d24879878cc0540 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests llrb [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/lib.rs - LLRB::contains_key (line 155) ... ok [INFO] [stdout] test src/lib.rs - LLRB::append (line 311) ... FAILED [INFO] [stdout] test src/lib.rs - LLRB::is_empty (line 376) ... ok [INFO] [stdout] test src/lib.rs - LLRB::get (line 116) ... ok [INFO] [stdout] test src/lib.rs - LLRB::get_mut (line 176) ... ok [INFO] [stdout] test src/lib.rs - LLRB::len (line 343) ... ok [INFO] [stdout] test src/lib.rs - LLRB::remove (line 276) ... FAILED [INFO] [stdout] test src/lib.rs - LLRB::insert (line 221) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - LLRB::append (line 311) stdout ---- [INFO] [stdout] Test executable failed (exit code 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: 0x5622e7c306d4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5622e7c306d4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5622e7c306d4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5622e7c306d4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5622e7c4dfac - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5622e7c2eed3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5622e7c32c75 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5622e7c32c75 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5622e7c32c75 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5622e7c329b2 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x5622e7c33282 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x5622e7c32e6b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x5622e7c32ddb - std::panicking::begin_panic_fmt::h3693eb684a4f728c [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 13: 0x5622e7c2ac00 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 14: 0x5622e7c282c3 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1 [INFO] [stdout] 15: 0x5622e7c336c8 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 16: 0x5622e7c336c8 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 17: 0x5622e7c336c8 - std::panicking::try::hc078f0e11721d1cb [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 18: 0x5622e7c336c8 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x5622e7c336c8 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 20: 0x5622e7c282a8 - std::rt::lang_start::h80cabc1387d7a5d8 [INFO] [stdout] 21: 0x5622e7c2b72b - main [INFO] [stdout] 22: 0x7f8e129ce0b3 - __libc_start_main [INFO] [stdout] 23: 0x5622e7c2817e - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - LLRB::remove (line 276) stdout ---- [INFO] [stdout] Test executable failed (exit code 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: 0x55de0bd0dc24 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55de0bd0dc24 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55de0bd0dc24 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55de0bd0dc24 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55de0bd2b4fc - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55de0bd0c423 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55de0bd101c5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55de0bd101c5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55de0bd101c5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55de0bd0ff02 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x55de0bd107d2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x55de0bd103bb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x55de0bd1032b - std::panicking::begin_panic_fmt::h3693eb684a4f728c [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 13: 0x55de0bd08a98 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 14: 0x55de0bd062c3 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1 [INFO] [stdout] 15: 0x55de0bd10c18 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 16: 0x55de0bd10c18 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 17: 0x55de0bd10c18 - std::panicking::try::hc078f0e11721d1cb [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 18: 0x55de0bd10c18 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55de0bd10c18 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 20: 0x55de0bd062a8 - std::rt::lang_start::h80cabc1387d7a5d8 [INFO] [stdout] 21: 0x55de0bd08c7b - main [INFO] [stdout] 22: 0x7fa8942050b3 - __libc_start_main [INFO] [stdout] 23: 0x55de0bd0617e - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - LLRB::append (line 311) [INFO] [stdout] src/lib.rs - LLRB::remove (line 276) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "166804bea4fd815bdab4142db88b3b6dbc3748e4f23ea8e8f7ada637c85fed37"` [INFO] running `"docker" "rm" "-f" "166804bea4fd815bdab4142db88b3b6dbc3748e4f23ea8e8f7ada637c85fed37"` [INFO] [stdout] 166804bea4fd815bdab4142db88b3b6dbc3748e4f23ea8e8f7ada637c85fed37