[INFO] fetching crate tree-rizzen-yazston 0.4.0...
[INFO] testing tree-rizzen-yazston-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tree-rizzen-yazston 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tree-rizzen-yazston 0.4.0
[INFO] finished tweaking crates.io crate tree-rizzen-yazston 0.4.0
[INFO] tweaked toml for crates.io crate tree-rizzen-yazston 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-rizzen-yazston 0.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b16845be20624657d1463c71e4d291a9ea7e9b7b92cf0c8e1f053af2d1440a
[INFO] running `Command { std: "docker" "start" "-a" "d5b16845be20624657d1463c71e4d291a9ea7e9b7b92cf0c8e1f053af2d1440a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b16845be20624657d1463c71e4d291a9ea7e9b7b92cf0c8e1f053af2d1440a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b16845be20624657d1463c71e4d291a9ea7e9b7b92cf0c8e1f053af2d1440a", kill_on_drop: false }`
[INFO] [stdout] d5b16845be20624657d1463c71e4d291a9ea7e9b7b92cf0c8e1f053af2d1440a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e72fd4c6229415128e614f90096a2075f25b652cfdd20129bcbd50910da073a
[INFO] running `Command { std: "docker" "start" "-a" "5e72fd4c6229415128e614f90096a2075f25b652cfdd20129bcbd50910da073a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-rizzen-yazston v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5e72fd4c6229415128e614f90096a2075f25b652cfdd20129bcbd50910da073a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e72fd4c6229415128e614f90096a2075f25b652cfdd20129bcbd50910da073a", kill_on_drop: false }`
[INFO] [stdout] 5e72fd4c6229415128e614f90096a2075f25b652cfdd20129bcbd50910da073a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ad6a51a7ba7a872ebee103068f4120dc012f1f7de2034694cd144ba9a92617
[INFO] running `Command { std: "docker" "start" "-a" "f5ad6a51a7ba7a872ebee103068f4120dc012f1f7de2034694cd144ba9a92617", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-rizzen-yazston v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "f5ad6a51a7ba7a872ebee103068f4120dc012f1f7de2034694cd144ba9a92617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ad6a51a7ba7a872ebee103068f4120dc012f1f7de2034694cd144ba9a92617", kill_on_drop: false }`
[INFO] [stdout] f5ad6a51a7ba7a872ebee103068f4120dc012f1f7de2034694cd144ba9a92617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f591b8865c9b1d7816825e0a0cb166df958f89820f9a2e3b063b5c39227fe6f
[INFO] running `Command { std: "docker" "start" "-a" "2f591b8865c9b1d7816825e0a0cb166df958f89820f9a2e3b063b5c39227fe6f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree-50eaf1ce6a38da60)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree.rs (/opt/rustwide/target/debug/deps/tree-8a4c24c3ecdcecce)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test children ... ok
[INFO] [stdout] test count ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test child ... ok
[INFO] [stdout] test data_mut ... ok
[INFO] [stdout] test delete ... ok
[INFO] [stdout] test depth ... ok
[INFO] [stdout] test features ... ok
[INFO] [stdout] test first ... ok
[INFO] [stdout] test exists ... ok
[INFO] [stdout] test insert_at ... ok
[INFO] [stdout] test insert_uses_deleted_node ... ok
[INFO] [stdout] test no_parent ... ok
[INFO] [stdout] test node_type ... ok
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test data_type ... ok
[INFO] [stdout] test last ... ok
[INFO] [stdout] test parent ... ok
[INFO] [stdout] test data_ref ... ok
[INFO] [stderr]    Doc-tests tree
[INFO] [stdout] test move_nodes ... ok
[INFO] [stdout] test is_ancestor_of ... ok
[INFO] [stdout] test take ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/tree.rs - tree::Tree::insert (line 76) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::exists (line 480) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::children (line 599) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::first (line 622) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::features (line 521) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::is_ancestor_of (line 567) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::data_ref (line 791) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::data_mut (line 759) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::insert_at (line 153) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::data_type (line 815) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::delete (line 235) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::count (line 741) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::child (line 664) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::clear (line 346) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::depth (line 685) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::take (line 289) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::parent (line 542) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::node_type (line 501) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::new (line 37) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::len (line 718) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::last (line 643) ... ok
[INFO] [stdout] test src/tree.rs - tree::Tree::move_nodes (line 370) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f591b8865c9b1d7816825e0a0cb166df958f89820f9a2e3b063b5c39227fe6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f591b8865c9b1d7816825e0a0cb166df958f89820f9a2e3b063b5c39227fe6f", kill_on_drop: false }`
[INFO] [stdout] 2f591b8865c9b1d7816825e0a0cb166df958f89820f9a2e3b063b5c39227fe6f