[INFO] fetching crate tree-layout 0.0.2...
[INFO] testing tree-layout-0.0.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tree-layout 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tree-layout 0.0.2
[INFO] finished tweaking crates.io crate tree-layout 0.0.2
[INFO] tweaked toml for crates.io crate tree-layout 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-layout 0.0.2 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-layout 0.0.2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6b05f32add9ec9e30257b35a47f1f7662b9d69d3d5aadb0cfb9524c4795b1908
[INFO] running `Command { std: "docker" "start" "-a" "6b05f32add9ec9e30257b35a47f1f7662b9d69d3d5aadb0cfb9524c4795b1908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b05f32add9ec9e30257b35a47f1f7662b9d69d3d5aadb0cfb9524c4795b1908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b05f32add9ec9e30257b35a47f1f7662b9d69d3d5aadb0cfb9524c4795b1908", kill_on_drop: false }`
[INFO] [stdout] 6b05f32add9ec9e30257b35a47f1f7662b9d69d3d5aadb0cfb9524c4795b1908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e87558b4f3b459e29029783afaac30dc84fa50b5d31a821568099edf615275e6
[INFO] running `Command { std: "docker" "start" "-a" "e87558b4f3b459e29029783afaac30dc84fa50b5d31a821568099edf615275e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling distantia v0.0.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling color-core v0.1.6
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling projective v0.3.0
[INFO] [stderr]    Compiling shape-core v0.1.16
[INFO] [stderr]    Compiling tree-layout v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "e87558b4f3b459e29029783afaac30dc84fa50b5d31a821568099edf615275e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87558b4f3b459e29029783afaac30dc84fa50b5d31a821568099edf615275e6", kill_on_drop: false }`
[INFO] [stdout] e87558b4f3b459e29029783afaac30dc84fa50b5d31a821568099edf615275e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f9671c8744429856969bf3f598df555979ea84b084317a4e0ec5611247a8019f
[INFO] running `Command { std: "docker" "start" "-a" "f9671c8744429856969bf3f598df555979ea84b084317a4e0ec5611247a8019f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling tree-layout v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> examples/binary.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let layout = layout(&Tree, &node);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "f9671c8744429856969bf3f598df555979ea84b084317a4e0ec5611247a8019f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9671c8744429856969bf3f598df555979ea84b084317a4e0ec5611247a8019f", kill_on_drop: false }`
[INFO] [stdout] f9671c8744429856969bf3f598df555979ea84b084317a4e0ec5611247a8019f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 152f7600458bf0a66aae0c784bd4d9d8f248f1d01dee56e7455382604b6efd83
[INFO] running `Command { std: "docker" "start" "-a" "152f7600458bf0a66aae0c784bd4d9d8f248f1d01dee56e7455382604b6efd83", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `layout`
[INFO] [stderr]   --> examples/binary.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let layout = layout(&Tree, &node);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tree-layout` (example "binary") generated 1 warning (run `cargo fix --example "binary" -p tree-layout` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_layout-10948f1509d33b30)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tree::test::breadth_first ... ok
[INFO] [stdout] test tree::test::is_leaf_true ... ok
[INFO] [stdout] test tree::test::is_leaf_false ... ok
[INFO] [stdout] test tree::test::is_root_false ... ok
[INFO] [stdout] test tree::test::is_root_true ... ok
[INFO] [stdout] test tree::test::post_order ... ok
[INFO] [stdout] test tree::test::root ... ok
[INFO] [stdout] test tree::test::new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-354d258bd46629ef)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test petgraph ... ok
[INFO] [stdout] test ptc ... 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 tree_layout
[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" "152f7600458bf0a66aae0c784bd4d9d8f248f1d01dee56e7455382604b6efd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152f7600458bf0a66aae0c784bd4d9d8f248f1d01dee56e7455382604b6efd83", kill_on_drop: false }`
[INFO] [stdout] 152f7600458bf0a66aae0c784bd4d9d8f248f1d01dee56e7455382604b6efd83