[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 1.77.0 for beta-1.78-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LegendarySaiyan/structures on toolchain 1.77.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "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-1-tc1/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" "+1.77.0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc4892f444b05ce5c7fa24ec7ffa2b3262b90e53779337c54a5cd2604afdd2f9 [INFO] running `Command { std: "docker" "start" "-a" "cc4892f444b05ce5c7fa24ec7ffa2b3262b90e53779337c54a5cd2604afdd2f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc4892f444b05ce5c7fa24ec7ffa2b3262b90e53779337c54a5cd2604afdd2f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc4892f444b05ce5c7fa24ec7ffa2b3262b90e53779337c54a5cd2604afdd2f9", kill_on_drop: false }` [INFO] [stdout] cc4892f444b05ce5c7fa24ec7ffa2b3262b90e53779337c54a5cd2604afdd2f9 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8053e26633e1106495b45cce1af284426c47c0ad9f3e6cb279687f21e29e87a6 [INFO] running `Command { std: "docker" "start" "-a" "8053e26633e1106495b45cce1af284426c47c0ad9f3e6cb279687f21e29e87a6", 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "8053e26633e1106495b45cce1af284426c47c0ad9f3e6cb279687f21e29e87a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8053e26633e1106495b45cce1af284426c47c0ad9f3e6cb279687f21e29e87a6", kill_on_drop: false }` [INFO] [stdout] 8053e26633e1106495b45cce1af284426c47c0ad9f3e6cb279687f21e29e87a6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1725c23a1fbd6e2cdfa68e1fa93760280c42ad2a4c5b68524a954e5141a4e749 [INFO] running `Command { std: "docker" "start" "-a" "1725c23a1fbd6e2cdfa68e1fa93760280c42ad2a4c5b68524a954e5141a4e749", kill_on_drop: false }` [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] [stderr] Compiling structures v0.1.0 (/opt/rustwide/workdir) [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: 5 warnings emitted [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] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "1725c23a1fbd6e2cdfa68e1fa93760280c42ad2a4c5b68524a954e5141a4e749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1725c23a1fbd6e2cdfa68e1fa93760280c42ad2a4c5b68524a954e5141a4e749", kill_on_drop: false }` [INFO] [stdout] 1725c23a1fbd6e2cdfa68e1fa93760280c42ad2a4c5b68524a954e5141a4e749 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 46f9328b0a2d229bf19fdd241ef1f955469fb8297d5ebe574b44cf88757749aa [INFO] running `Command { std: "docker" "start" "-a" "46f9328b0a2d229bf19fdd241ef1f955469fb8297d5ebe574b44cf88757749aa", 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 [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structures-385cc5f165b9a652) [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] 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: 0x555f5e8d76e6 - std::backtrace_rs::backtrace::libunwind::trace::h92ba5ac126ecc5ad [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x555f5e8d76e6 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa118b6e3a8f31a [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x555f5e8d76e6 - std::sys_common::backtrace::_print_fmt::h2075f185adf13bbd [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x555f5e8d76e6 - ::fmt::h9c4bd387f9f3f544 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x555f5e900360 - core::fmt::rt::Argument::fmt::h018ecebdf268b5bb [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x555f5e900360 - core::fmt::write::h938c332fdab924eb [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x555f5e8d4fcf - std::io::Write::write_fmt::hf5d6d29a094a9ad9 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/io/mod.rs:1846:15 [INFO] [stdout] 7: 0x555f5e8d74c4 - std::sys_common::backtrace::_print::h3595c0f4303f3ccd [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x555f5e8d74c4 - std::sys_common::backtrace::print::ha888e6736b0bc71f [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x555f5e8d9237 - std::panicking::default_hook::{{closure}}::he19a7f79f7beab5e [INFO] [stdout] 10: 0x555f5e8d8f1d - std::panicking::default_hook::h67efe04e9a5d446e [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x555f5e8a8e07 - as core::ops::function::Fn>::call::ha485cc981b933d53 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 12: 0x555f5e8a8e07 - test::test_main::{{closure}}::h970c4d535211cea5 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:138:21 [INFO] [stdout] 13: 0x555f5e8d9856 - as core::ops::function::Fn>::call::h9c9759b104a0af15 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 14: 0x555f5e8d9856 - std::panicking::rust_panic_with_hook::h49021cdbc4b22349 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:785:13 [INFO] [stdout] 15: 0x555f5e8d9569 - std::panicking::begin_panic_handler::{{closure}}::hfbf601f3d8c62d13 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:651:13 [INFO] [stdout] 16: 0x555f5e8d7be6 - std::sys_common::backtrace::__rust_end_short_backtrace::h98dd020b6e913806 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x555f5e8d92f4 - rust_begin_unwind [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:647:5 [INFO] [stdout] 18: 0x555f5e868775 - core::panicking::panic_fmt::h0d3f1893e38be419 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x555f5e868833 - core::panicking::panic::h59297120e85ea178 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:144:5 [INFO] [stdout] 20: 0x555f5e8686c6 - core::option::unwrap_failed::h630ca121a67dc3e4 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/option.rs:1978:5 [INFO] [stdout] 21: 0x555f5e86cd09 - core::option::Option::unwrap::h282966b88fa2a486 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/option.rs:931:21 [INFO] [stdout] 22: 0x555f5e86cd09 - structures::red_black_tree::RedBlackTree::insert_fixup::h0c1984105e1698c5 [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:261:37 [INFO] [stdout] 23: 0x555f5e86c853 - structures::red_black_tree::RedBlackTree::insert::h8b5e9824c89f5ce9 [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:251:13 [INFO] [stdout] 24: 0x555f5e86aeb7 - structures::red_black_tree::RedBlackTree::tree_insert::h90e05ff87874141d [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:62:9 [INFO] [stdout] 25: 0x555f5e873fae - structures::red_black_tree::tests::test_red_black_tree::hefa1922ab256bd2a [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:509:9 [INFO] [stdout] 26: 0x555f5e873f67 - structures::red_black_tree::tests::test_red_black_tree::{{closure}}::hb804d0257e3c7767 [INFO] [stdout] at /opt/rustwide/workdir/src/red_black_tree.rs:504:29 [INFO] [stdout] 27: 0x555f5e870936 - core::ops::function::FnOnce::call_once::hcc6a784743f63d15 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 28: 0x555f5e8ae9ff - core::ops::function::FnOnce::call_once::hc4365f2905c13fb3 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 29: 0x555f5e8ae9ff - test::__rust_begin_short_backtrace::h23efa09c82420171 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:621:18 [INFO] [stdout] 30: 0x555f5e8ad821 - test::run_test_in_process::{{closure}}::hf1473bb1a6c04edb [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:60 [INFO] [stdout] 31: 0x555f5e8ad821 - as core::ops::function::FnOnce<()>>::call_once::hff07c3f39ec1a940 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 32: 0x555f5e8ad821 - std::panicking::try::do_call::h344a2a0d830f8cdb [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40 [INFO] [stdout] 33: 0x555f5e8ad821 - std::panicking::try::h307dc78c49c41dfc [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19 [INFO] [stdout] 34: 0x555f5e8ad821 - std::panic::catch_unwind::h09ff4c41f37beb25 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14 [INFO] [stdout] 35: 0x555f5e8ad821 - test::run_test_in_process::h25a8f909b68e3831 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:27 [INFO] [stdout] 36: 0x555f5e8ad821 - test::run_test::{{closure}}::h9934b77d061da8ff [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:567:43 [INFO] [stdout] 37: 0x555f5e874c06 - test::run_test::{{closure}}::hc3fe15393b08198a [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:595:41 [INFO] [stdout] 38: 0x555f5e874c06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2751c43450246c92 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 39: 0x555f5e879c47 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1c68a4efdf3a14d2 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 40: 0x555f5e879c47 - as core::ops::function::FnOnce<()>>::call_once::he4aa23e023cec824 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 41: 0x555f5e879c47 - std::panicking::try::do_call::hb75ff41794a19e9d [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40 [INFO] [stdout] 42: 0x555f5e879c47 - std::panicking::try::ha7903bccf307108c [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19 [INFO] [stdout] 43: 0x555f5e879c47 - std::panic::catch_unwind::h85a1dff12b1bcadc [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14 [INFO] [stdout] 44: 0x555f5e879c47 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2c9f92cbe6cfd7e3 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 45: 0x555f5e879c47 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d4afe73c576828a [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 46: 0x555f5e8ddbf5 - as core::ops::function::FnOnce>::call_once::h4f08d401a486e446 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 47: 0x555f5e8ddbf5 - as core::ops::function::FnOnce>::call_once::h3476dfcdba628abc [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 48: 0x555f5e8ddbf5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2770ac7f8882db09 [INFO] [stdout] at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 49: 0x7f5adf739ac3 - [INFO] [stdout] 50: 0x7f5adf7cabf4 - __clone [INFO] [stdout] 51: 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 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "46f9328b0a2d229bf19fdd241ef1f955469fb8297d5ebe574b44cf88757749aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46f9328b0a2d229bf19fdd241ef1f955469fb8297d5ebe574b44cf88757749aa", kill_on_drop: false }` [INFO] [stdout] 46f9328b0a2d229bf19fdd241ef1f955469fb8297d5ebe574b44cf88757749aa [INFO] testing LegendarySaiyan/structures against beta-2024-03-24 for beta-1.78-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LegendarySaiyan/structures on toolchain beta-2024-03-24 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "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-1-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" "+beta-2024-03-24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09a2a28e39377cd0d171fed1f5e68d31261146db35eab4009a120e3faddac913 [INFO] running `Command { std: "docker" "start" "-a" "09a2a28e39377cd0d171fed1f5e68d31261146db35eab4009a120e3faddac913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09a2a28e39377cd0d171fed1f5e68d31261146db35eab4009a120e3faddac913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09a2a28e39377cd0d171fed1f5e68d31261146db35eab4009a120e3faddac913", kill_on_drop: false }` [INFO] [stdout] 09a2a28e39377cd0d171fed1f5e68d31261146db35eab4009a120e3faddac913 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f9eb388ac0bf758824bd50e10119b0879ebde3fd94c28afe1924549b9aab860 [INFO] running `Command { std: "docker" "start" "-a" "8f9eb388ac0bf758824bd50e10119b0879ebde3fd94c28afe1924549b9aab860", 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "8f9eb388ac0bf758824bd50e10119b0879ebde3fd94c28afe1924549b9aab860", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f9eb388ac0bf758824bd50e10119b0879ebde3fd94c28afe1924549b9aab860", kill_on_drop: false }` [INFO] [stdout] 8f9eb388ac0bf758824bd50e10119b0879ebde3fd94c28afe1924549b9aab860 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d85320756edca06dcc22eef986461625dbada8cb60aeba865f9fd00314b267e4 [INFO] running `Command { std: "docker" "start" "-a" "d85320756edca06dcc22eef986461625dbada8cb60aeba865f9fd00314b267e4", kill_on_drop: false }` [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] [stderr] Compiling structures v0.1.0 (/opt/rustwide/workdir) [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: 5 warnings emitted [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] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "d85320756edca06dcc22eef986461625dbada8cb60aeba865f9fd00314b267e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d85320756edca06dcc22eef986461625dbada8cb60aeba865f9fd00314b267e4", kill_on_drop: false }` [INFO] [stdout] d85320756edca06dcc22eef986461625dbada8cb60aeba865f9fd00314b267e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aef035b3f3a7c7db21536f027b9970023c7af982ceee48419496fa7cf588e2ac [INFO] running `Command { std: "docker" "start" "-a" "aef035b3f3a7c7db21536f027b9970023c7af982ceee48419496fa7cf588e2ac", 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 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structures-48eebcef9213d3ff) [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 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests structures [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] running `Command { std: "docker" "inspect" "aef035b3f3a7c7db21536f027b9970023c7af982ceee48419496fa7cf588e2ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aef035b3f3a7c7db21536f027b9970023c7af982ceee48419496fa7cf588e2ac", kill_on_drop: false }` [INFO] [stdout] aef035b3f3a7c7db21536f027b9970023c7af982ceee48419496fa7cf588e2ac