[INFO] fetching crate willowtree 0.2.0...
[INFO] testing willowtree-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate willowtree 0.2.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate willowtree 0.2.0 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] 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-2025-09-21" "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] 8b5393d97ff7bc941e33d4bd302b0da32b7d9b5dcc7dcd6c64011c92f6680891
[INFO] running `Command { std: "docker" "start" "-a" "8b5393d97ff7bc941e33d4bd302b0da32b7d9b5dcc7dcd6c64011c92f6680891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b5393d97ff7bc941e33d4bd302b0da32b7d9b5dcc7dcd6c64011c92f6680891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5393d97ff7bc941e33d4bd302b0da32b7d9b5dcc7dcd6c64011c92f6680891", kill_on_drop: false }`
[INFO] [stdout] 8b5393d97ff7bc941e33d4bd302b0da32b7d9b5dcc7dcd6c64011c92f6680891
[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] a16dffba530e0bedb994f260c935d71100665a846e1ac4d8e305f46a4b06d556
[INFO] running `Command { std: "docker" "start" "-a" "a16dffba530e0bedb994f260c935d71100665a846e1ac4d8e305f46a4b06d556", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "a16dffba530e0bedb994f260c935d71100665a846e1ac4d8e305f46a4b06d556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16dffba530e0bedb994f260c935d71100665a846e1ac4d8e305f46a4b06d556", kill_on_drop: false }`
[INFO] [stdout] a16dffba530e0bedb994f260c935d71100665a846e1ac4d8e305f46a4b06d556
[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] 9384d5fae3785ab4582f7317f3f76e19ebfea959f197373772112f313f78e349
[INFO] running `Command { std: "docker" "start" "-a" "9384d5fae3785ab4582f7317f3f76e19ebfea959f197373772112f313f78e349", kill_on_drop: false }`
[INFO] [stderr]    Compiling willowtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "9384d5fae3785ab4582f7317f3f76e19ebfea959f197373772112f313f78e349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9384d5fae3785ab4582f7317f3f76e19ebfea959f197373772112f313f78e349", kill_on_drop: false }`
[INFO] [stdout] 9384d5fae3785ab4582f7317f3f76e19ebfea959f197373772112f313f78e349
[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] dad39ea9dea674107f8c56fae5643d5fa6c9bda3c3f374162baa8d79e3b2e655
[INFO] running `Command { std: "docker" "start" "-a" "dad39ea9dea674107f8c56fae5643d5fa6c9bda3c3f374162baa8d79e3b2e655", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/willowtree-1c867f87f057d40d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests willowtree
[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] [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" "dad39ea9dea674107f8c56fae5643d5fa6c9bda3c3f374162baa8d79e3b2e655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad39ea9dea674107f8c56fae5643d5fa6c9bda3c3f374162baa8d79e3b2e655", kill_on_drop: false }`
[INFO] [stdout] dad39ea9dea674107f8c56fae5643d5fa6c9bda3c3f374162baa8d79e3b2e655