[INFO] fetching crate tree_traversal 0.3.0...
[INFO] testing tree_traversal-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tree_traversal 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tree_traversal 0.3.0
[INFO] finished tweaking crates.io crate tree_traversal 0.3.0
[INFO] tweaked toml for crates.io crate tree_traversal 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_traversal 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tree_traversal 0.3.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e4192feb6e3766d79bb859a894d035ebc6bd8c4368796545fac02e932683892
[INFO] running `Command { std: "docker" "start" "-a" "6e4192feb6e3766d79bb859a894d035ebc6bd8c4368796545fac02e932683892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4192feb6e3766d79bb859a894d035ebc6bd8c4368796545fac02e932683892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4192feb6e3766d79bb859a894d035ebc6bd8c4368796545fac02e932683892", kill_on_drop: false }`
[INFO] [stdout] 6e4192feb6e3766d79bb859a894d035ebc6bd8c4368796545fac02e932683892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e966c0106fc1c998e90f8bdeddd988b82180ac7404cc50ee213917cef41621
[INFO] running `Command { std: "docker" "start" "-a" "f2e966c0106fc1c998e90f8bdeddd988b82180ac7404cc50ee213917cef41621", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tree_traversal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "f2e966c0106fc1c998e90f8bdeddd988b82180ac7404cc50ee213917cef41621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e966c0106fc1c998e90f8bdeddd988b82180ac7404cc50ee213917cef41621", kill_on_drop: false }`
[INFO] [stdout] f2e966c0106fc1c998e90f8bdeddd988b82180ac7404cc50ee213917cef41621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ee6dbfd2a131b0e80600507fb9c4a4ef17b85f4149b445e104a9ca4963725c
[INFO] running `Command { std: "docker" "start" "-a" "58ee6dbfd2a131b0e80600507fb9c4a4ef17b85f4149b445e104a9ca4963725c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_traversal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "58ee6dbfd2a131b0e80600507fb9c4a4ef17b85f4149b445e104a9ca4963725c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ee6dbfd2a131b0e80600507fb9c4a4ef17b85f4149b445e104a9ca4963725c", kill_on_drop: false }`
[INFO] [stdout] 58ee6dbfd2a131b0e80600507fb9c4a4ef17b85f4149b445e104a9ca4963725c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9adb57f28eb45724d867d23e977e77f53b40a7f3edcd87acc0fccb537907d7ac
[INFO] running `Command { std: "docker" "start" "-a" "9adb57f28eb45724d867d23e977e77f53b40a7f3edcd87acc0fccb537907d7ac", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_traversal-93ff0868ce064d35)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test bfs::test::test_bfs ... ok
[INFO] [stdout] test dfs::test::test_bfs ... ok
[INFO] [stdout] test bms::test::test_bms ... ok
[INFO] [stdout] test gds::test::test_bms ... ok
[INFO] [stdout] test bbs::test::test_bbs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_traversal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9adb57f28eb45724d867d23e977e77f53b40a7f3edcd87acc0fccb537907d7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adb57f28eb45724d867d23e977e77f53b40a7f3edcd87acc0fccb537907d7ac", kill_on_drop: false }`
[INFO] [stdout] 9adb57f28eb45724d867d23e977e77f53b40a7f3edcd87acc0fccb537907d7ac