[INFO] fetching crate error-trees 0.2.0...
[INFO] testing error-trees-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate error-trees 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate error-trees 0.2.0
[INFO] finished tweaking crates.io crate error-trees 0.2.0
[INFO] tweaked toml for crates.io crate error-trees 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-trees 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] 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]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[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] f12735fc077a8f982ca23dc28651ab3e8b504b907cfb44cb1d205f65eb94d0d2
[INFO] running `Command { std: "docker" "start" "-a" "f12735fc077a8f982ca23dc28651ab3e8b504b907cfb44cb1d205f65eb94d0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f12735fc077a8f982ca23dc28651ab3e8b504b907cfb44cb1d205f65eb94d0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12735fc077a8f982ca23dc28651ab3e8b504b907cfb44cb1d205f65eb94d0d2", kill_on_drop: false }`
[INFO] [stdout] f12735fc077a8f982ca23dc28651ab3e8b504b907cfb44cb1d205f65eb94d0d2
[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] 5168519bee8711a30eaf4b339f8178a678fe343e0e92f6073fca78c93e7f5f94
[INFO] running `Command { std: "docker" "start" "-a" "5168519bee8711a30eaf4b339f8178a678fe343e0e92f6073fca78c93e7f5f94", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-trees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "5168519bee8711a30eaf4b339f8178a678fe343e0e92f6073fca78c93e7f5f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5168519bee8711a30eaf4b339f8178a678fe343e0e92f6073fca78c93e7f5f94", kill_on_drop: false }`
[INFO] [stdout] 5168519bee8711a30eaf4b339f8178a678fe343e0e92f6073fca78c93e7f5f94
[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] 4ab53f84246104236a030a14f4324c3d29892d8d8f832b54d80fdb797652ccdf
[INFO] running `Command { std: "docker" "start" "-a" "4ab53f84246104236a030a14f4324c3d29892d8d8f832b54d80fdb797652ccdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-trees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4ab53f84246104236a030a14f4324c3d29892d8d8f832b54d80fdb797652ccdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab53f84246104236a030a14f4324c3d29892d8d8f832b54d80fdb797652ccdf", kill_on_drop: false }`
[INFO] [stdout] 4ab53f84246104236a030a14f4324c3d29892d8d8f832b54d80fdb797652ccdf
[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] 9b301051bf750b3f8a41a5fc8b6dc4da064d7e38e5b8b15d26c117450034c439
[INFO] running `Command { std: "docker" "start" "-a" "9b301051bf750b3f8a41a5fc8b6dc4da064d7e38e5b8b15d26c117450034c439", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_trees-0b010653feab0f5a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::can_call_into_result_from_vec_of_errors ... ok
[INFO] [stdout] test tests::can_build_tree_from_vec_of_results ... ok
[INFO] [stdout] test tests::main_function ... ok
[INFO] [stdout] test tests::can_call_into_result_from_vec_of_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error_trees
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - IntoErrorTree::with_label (line 119) ... ok
[INFO] [stdout] test src/lib.rs - ErrorTree<L,E>::leaf (line 27) ... ok
[INFO] [stdout] test src/lib.rs - IntoResult::into_result (line 197) ... ok
[INFO] [stdout] test src/lib.rs - LabelResult::label_error (line 244) ... ok
[INFO] [stdout] test src/lib.rs - IntoResult::into_result (line 170) ... ok
[INFO] [stdout] test src/lib.rs - ErrorTree<L,E>::flatten_tree (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b301051bf750b3f8a41a5fc8b6dc4da064d7e38e5b8b15d26c117450034c439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b301051bf750b3f8a41a5fc8b6dc4da064d7e38e5b8b15d26c117450034c439", kill_on_drop: false }`
[INFO] [stdout] 9b301051bf750b3f8a41a5fc8b6dc4da064d7e38e5b8b15d26c117450034c439