[INFO] fetching crate willowtree 0.2.0...
[INFO] testing willowtree-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate willowtree 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate willowtree 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate willowtree 0.2.0
[INFO] tweaked toml for crates.io crate willowtree 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate willowtree 0.2.0 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 willowtree 0.2.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c90d943f5c260cc148c66fa9b11857f76855e969ff0119d117f79182a08718a0
[INFO] running `Command { std: "docker" "start" "-a" "c90d943f5c260cc148c66fa9b11857f76855e969ff0119d117f79182a08718a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c90d943f5c260cc148c66fa9b11857f76855e969ff0119d117f79182a08718a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90d943f5c260cc148c66fa9b11857f76855e969ff0119d117f79182a08718a0", kill_on_drop: false }`
[INFO] [stdout] c90d943f5c260cc148c66fa9b11857f76855e969ff0119d117f79182a08718a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bfb1438619a193597f98582c77b868d586b9381e3db3801f23bbdd565e6f3478
[INFO] running `Command { std: "docker" "start" "-a" "bfb1438619a193597f98582c77b868d586b9381e3db3801f23bbdd565e6f3478", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree v4.5.0
[INFO] [stderr]    Compiling willowtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "bfb1438619a193597f98582c77b868d586b9381e3db3801f23bbdd565e6f3478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb1438619a193597f98582c77b868d586b9381e3db3801f23bbdd565e6f3478", kill_on_drop: false }`
[INFO] [stdout] bfb1438619a193597f98582c77b868d586b9381e3db3801f23bbdd565e6f3478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 53d34f68dfedce8a720240546d8c8c3b9ee969dfd0025e2165907f3007561cf9
[INFO] running `Command { std: "docker" "start" "-a" "53d34f68dfedce8a720240546d8c8c3b9ee969dfd0025e2165907f3007561cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling willowtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "53d34f68dfedce8a720240546d8c8c3b9ee969dfd0025e2165907f3007561cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d34f68dfedce8a720240546d8c8c3b9ee969dfd0025e2165907f3007561cf9", kill_on_drop: false }`
[INFO] [stdout] 53d34f68dfedce8a720240546d8c8c3b9ee969dfd0025e2165907f3007561cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c9884b8404829f0945ed9ae9eac464210f20ad24c21d05150b2db538d530b73a
[INFO] running `Command { std: "docker" "start" "-a" "c9884b8404829f0945ed9ae9eac464210f20ad24c21d05150b2db538d530b73a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/willowtree-1c867f87f057d40d)
[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]    Doc-tests willowtree
[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" "c9884b8404829f0945ed9ae9eac464210f20ad24c21d05150b2db538d530b73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9884b8404829f0945ed9ae9eac464210f20ad24c21d05150b2db538d530b73a", kill_on_drop: false }`
[INFO] [stdout] c9884b8404829f0945ed9ae9eac464210f20ad24c21d05150b2db538d530b73a