[INFO] cloning repository https://github.com/LegendarySaiyan/structures [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LegendarySaiyan/structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f375d1f242c501951f7a3a6c49a09a7895f57326 [INFO] testing LegendarySaiyan/structures against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LegendarySaiyan/structures on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LegendarySaiyan/structures [INFO] finished tweaking git repo https://github.com/LegendarySaiyan/structures [INFO] tweaked toml for git repo https://github.com/LegendarySaiyan/structures written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LegendarySaiyan/structures already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 016558470ecaa04d719bad288af4438455317988e10b4d3c185bf40d0bc38d2f [INFO] running `Command { std: "docker" "start" "-a" "016558470ecaa04d719bad288af4438455317988e10b4d3c185bf40d0bc38d2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "016558470ecaa04d719bad288af4438455317988e10b4d3c185bf40d0bc38d2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "016558470ecaa04d719bad288af4438455317988e10b4d3c185bf40d0bc38d2f", kill_on_drop: false }` [INFO] [stdout] 016558470ecaa04d719bad288af4438455317988e10b4d3c185bf40d0bc38d2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81f6ef2632a5553c16ec2d3b31f72d05e96f1a1956a655557b311ab170ed2ad4 [INFO] running `Command { std: "docker" "start" "-a" "81f6ef2632a5553c16ec2d3b31f72d05e96f1a1956a655557b311ab170ed2ad4", kill_on_drop: false }` [INFO] [stderr] Compiling structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `left` is never read [INFO] [stdout] --> src/binary_tree.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut left = std::option::Option::None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `right` is never read [INFO] [stdout] --> src/binary_tree.rs:273:17 [INFO] [stdout] | [INFO] [stdout] 273 | let mut right = std::option::Option::None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/binary_tree.rs:274:17 [INFO] [stdout] | [INFO] [stdout] 274 | let mut parent = std::option::Option::None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/red_black_tree.rs:343:17 [INFO] [stdout] | [INFO] [stdout] 343 | let mut x = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/red_black_tree.rs:396:13 [INFO] [stdout] | [INFO] [stdout] 396 | let mut x_ptr = x.unwrap().as_ptr(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "81f6ef2632a5553c16ec2d3b31f72d05e96f1a1956a655557b311ab170ed2ad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81f6ef2632a5553c16ec2d3b31f72d05e96f1a1956a655557b311ab170ed2ad4", kill_on_drop: false }` [INFO] [stdout] 81f6ef2632a5553c16ec2d3b31f72d05e96f1a1956a655557b311ab170ed2ad4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f043226514e4ab3e5d05e724c8e856f3fafd589085a8a56c607cb2ba6ccaaa07 [INFO] running `Command { std: "docker" "start" "-a" "f043226514e4ab3e5d05e724c8e856f3fafd589085a8a56c607cb2ba6ccaaa07", kill_on_drop: false }` [INFO] [stderr] Compiling structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `left` is never read [INFO] [stdout] --> src/binary_tree.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut left = std::option::Option::None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `right` is never read [INFO] [stdout] --> src/binary_tree.rs:273:17 [INFO] [stdout] | [INFO] [stdout] 273 | let mut right = std::option::Option::None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/binary_tree.rs:274:17 [INFO] [stdout] | [INFO] [stdout] 274 | let mut parent = std::option::Option::None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/red_black_tree.rs:343:17 [INFO] [stdout] | [INFO] [stdout] 343 | let mut x = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/red_black_tree.rs:396:13 [INFO] [stdout] | [INFO] [stdout] 396 | let mut x_ptr = x.unwrap().as_ptr(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `left` is never read [INFO] [stdout] --> src/binary_tree.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut left = std::option::Option::None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `right` is never read [INFO] [stdout] --> src/binary_tree.rs:273:17 [INFO] [stdout] | [INFO] [stdout] 273 | let mut right = std::option::Option::None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/binary_tree.rs:274:17 [INFO] [stdout] | [INFO] [stdout] 274 | let mut parent = std::option::Option::None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/red_black_tree.rs:343:17 [INFO] [stdout] | [INFO] [stdout] 343 | let mut x = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/red_black_tree.rs:396:13 [INFO] [stdout] | [INFO] [stdout] 396 | let mut x_ptr = x.unwrap().as_ptr(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "f043226514e4ab3e5d05e724c8e856f3fafd589085a8a56c607cb2ba6ccaaa07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f043226514e4ab3e5d05e724c8e856f3fafd589085a8a56c607cb2ba6ccaaa07", kill_on_drop: false }` [INFO] [stdout] f043226514e4ab3e5d05e724c8e856f3fafd589085a8a56c607cb2ba6ccaaa07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 40adadca885a031b52b977f89234bb331c67b77a457383b8fb7e811ca8c89942 [INFO] running `Command { std: "docker" "start" "-a" "40adadca885a031b52b977f89234bb331c67b77a457383b8fb7e811ca8c89942", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `left` is never read [INFO] [stderr] --> src/binary_tree.rs:272:17 [INFO] [stderr] | [INFO] [stderr] 272 | let mut left = std::option::Option::None; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `right` is never read [INFO] [stderr] --> src/binary_tree.rs:273:17 [INFO] [stderr] | [INFO] [stderr] 273 | let mut right = std::option::Option::None; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `parent` is never read [INFO] [stderr] --> src/binary_tree.rs:274:17 [INFO] [stderr] | [INFO] [stderr] 274 | let mut parent = std::option::Option::None; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/red_black_tree.rs:343:17 [INFO] [stderr] | [INFO] [stderr] 343 | let mut x = None; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/red_black_tree.rs:396:13 [INFO] [stderr] | [INFO] [stderr] 396 | let mut x_ptr = x.unwrap().as_ptr(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `structures` (lib) generated 5 warnings (run `cargo fix --lib -p structures` to apply 1 suggestion) [INFO] [stderr] warning: `structures` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structures-adfda71e5c79809e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test binary_tree::tests::test_binary_tree ... ok [INFO] [stdout] test red_black_tree::tests::test_red_black_tree ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- red_black_tree::tests::test_red_black_tree stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'red_black_tree::tests::test_red_black_tree' panicked at src/red_black_tree.rs:261:80: [INFO] [stdout] called `Option::unwrap()` on a `None` value [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5be0ee53999f - std::backtrace_rs::backtrace::libunwind::trace::h273cca4b4ff52a75 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5be0ee53999f - std::backtrace_rs::backtrace::trace_unsynchronized::h0dcaf4eaddc63f4d [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5be0ee53999f - std::sys::backtrace::_print_fmt::h99227612ab693c91 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5be0ee53999f - ::fmt::hd0fb9a24f673249b [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5be0ee561193 - core::fmt::rt::Argument::fmt::h3790bd73ff49839a [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/fmt/rt.rs:184:76 [INFO] [stdout] 5: 0x5be0ee561193 - core::fmt::write::hf7b505e27c2f59c0 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x5be0ee536503 - std::io::Write::write_fmt::hb002ef36900cedb4 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x5be0ee5397f2 - std::sys::backtrace::BacktraceLock::print::h5fa244ae2c1a02f2 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5be0ee53adcf - std::panicking::default_hook::{{closure}}::hd977fe155ed94062 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x5be0ee53abe8 - std::panicking::default_hook::hf1aee4d1a1a53629 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x5be0ee503915 - as core::ops::function::Fn>::call::h863d5366fd8956b9 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 11: 0x5be0ee503915 - test::test_main::{{closure}}::h069467131d9eccce [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x5be0ee53b8c3 - as core::ops::function::Fn>::call::h4d850f4eb7d2da54 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 13: 0x5be0ee53b8c3 - std::panicking::rust_panic_with_hook::h8442779a6bb2c045 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x5be0ee53b546 - std::panicking::begin_panic_handler::{{closure}}::h5fc7eacd91180541 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:697:13 [INFO] [stdout] 15: 0x5be0ee539eb9 - std::sys::backtrace::__rust_end_short_backtrace::h83d61fb88e4c1551 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5be0ee53b20d - rust_begin_unwind [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x5be0ee55fb90 - core::panicking::panic_fmt::hcb1ec5c71ed9d2aa [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5be0ee55fc1c - core::panicking::panic::h34d63eab7a5b2b25 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/panicking.rs:145:5 [INFO] [stdout] 19: 0x5be0ee55fb09 - core::option::unwrap_failed::h1e452c94b4ea3e77 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/option.rs:2015:5 [INFO] [stdout] 20: 0x5be0ee4c66f3 - core::option::Option::unwrap::h90b55b09e9ef34f4 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/option.rs:978:21 [INFO] [stdout] 21: 0x5be0ee4c66f3 - structures::red_black_tree::RedBlackTree::insert_fixup::h17c13ae13b530921 [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:261:37 [INFO] [stdout] 22: 0x5be0ee4c6111 - structures::red_black_tree::RedBlackTree::insert::hc7270f9824f9b98b [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:251:13 [INFO] [stdout] 23: 0x5be0ee4c41aa - structures::red_black_tree::RedBlackTree::tree_insert::h333b07fa9b306106 [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:62:9 [INFO] [stdout] 24: 0x5be0ee4c3625 - structures::red_black_tree::tests::test_red_black_tree::h7160cc1661ad3182 [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:509:9 [INFO] [stdout] 25: 0x5be0ee4c35e7 - structures::red_black_tree::tests::test_red_black_tree::{{closure}}::h3a3bba97c96b385a [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:504:29 [INFO] [stdout] 26: 0x5be0ee4bf0a6 - core::ops::function::FnOnce::call_once::hf34e8374a33b3a0a [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 27: 0x5be0ee50912b - core::ops::function::FnOnce::call_once::h4f53344eaef367a7 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 28: 0x5be0ee50912b - test::__rust_begin_short_backtrace::hd74e5b45349ae0eb [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/test/src/lib.rs:637:18 [INFO] [stdout] 29: 0x5be0ee507f88 - test::run_test_in_process::{{closure}}::h464496cd0c1c7008 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/test/src/lib.rs:660:60 [INFO] [stdout] 30: 0x5be0ee507f88 - as core::ops::function::FnOnce<()>>::call_once::h783dbf339886dbb5 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 31: 0x5be0ee507f88 - std::panicking::try::do_call::h939d38eaf9984278 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:587:40 [INFO] [stdout] 32: 0x5be0ee507f88 - std::panicking::try::h7462749e6e425b58 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:550:19 [INFO] [stdout] 33: 0x5be0ee507f88 - std::panic::catch_unwind::hd7e0994ef35a8a51 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panic.rs:358:14 [INFO] [stdout] 34: 0x5be0ee507f88 - test::run_test_in_process::hf0a6730e4eaf615d [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/test/src/lib.rs:660:27 [INFO] [stdout] 35: 0x5be0ee507f88 - test::run_test::{{closure}}::h6563d57083dce3d5 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/test/src/lib.rs:581:43 [INFO] [stdout] 36: 0x5be0ee4caf05 - test::run_test::{{closure}}::hd77e8481970892f0 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/test/src/lib.rs:611:41 [INFO] [stdout] 37: 0x5be0ee4caf05 - std::sys::backtrace::__rust_begin_short_backtrace::h3affc308abe149f2 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 38: 0x5be0ee4ce8aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0bcb7f1fc989ad90 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 39: 0x5be0ee4ce8aa - as core::ops::function::FnOnce<()>>::call_once::h7f1d3c81251e8f39 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 40: 0x5be0ee4ce8aa - std::panicking::try::do_call::ha04f8c9df155cd96 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:587:40 [INFO] [stdout] 41: 0x5be0ee4ce8aa - std::panicking::try::hbac6309ffcaaa153 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:550:19 [INFO] [stdout] 42: 0x5be0ee4ce8aa - std::panic::catch_unwind::h05df0eec2faa6d0d [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panic.rs:358:14 [INFO] [stdout] 43: 0x5be0ee4ce8aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h0931fb094701c63d [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 44: 0x5be0ee4ce8aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h58033be664b55387 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 45: 0x5be0ee53f6db - as core::ops::function::FnOnce>::call_once::hc2b66a72ea953e16 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 46: 0x5be0ee53f6db - as core::ops::function::FnOnce>::call_once::h64ac890f18adb1a4 [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 47: 0x5be0ee53f6db - std::sys::pal::unix::thread::Thread::new::thread_start::h8744afc3d48ab12e [INFO] [stdout] at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 48: 0x75589a94cac3 - [INFO] [stdout] 49: 0x75589a9dda04 - clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] red_black_tree::tests::test_red_black_tree [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "40adadca885a031b52b977f89234bb331c67b77a457383b8fb7e811ca8c89942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40adadca885a031b52b977f89234bb331c67b77a457383b8fb7e811ca8c89942", kill_on_drop: false }` [INFO] [stdout] 40adadca885a031b52b977f89234bb331c67b77a457383b8fb7e811ca8c89942