[INFO] fetching crate error-tree 0.6.0...
[INFO] testing error-tree-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate error-tree 0.6.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate error-tree 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate error-tree 0.6.0
[INFO] tweaked toml for crates.io crate error-tree 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-tree 0.6.0 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 42 packages to latest compatible versions
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e4e1197225d510a8a95346af58e3bb505a44b4edf6de10951e0c7cfd0e3be499
[INFO] running `Command { std: "docker" "start" "-a" "e4e1197225d510a8a95346af58e3bb505a44b4edf6de10951e0c7cfd0e3be499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e1197225d510a8a95346af58e3bb505a44b4edf6de10951e0c7cfd0e3be499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e1197225d510a8a95346af58e3bb505a44b4edf6de10951e0c7cfd0e3be499", kill_on_drop: false }`
[INFO] [stdout] e4e1197225d510a8a95346af58e3bb505a44b4edf6de10951e0c7cfd0e3be499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5d28078a0df3d3a7940161aa28be7d30c92e739dda351ca46984e7911cc08b93
[INFO] running `Command { std: "docker" "start" "-a" "5d28078a0df3d3a7940161aa28be7d30c92e739dda351ca46984e7911cc08b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling error-tree v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "5d28078a0df3d3a7940161aa28be7d30c92e739dda351ca46984e7911cc08b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d28078a0df3d3a7940161aa28be7d30c92e739dda351ca46984e7911cc08b93", kill_on_drop: false }`
[INFO] [stdout] 5d28078a0df3d3a7940161aa28be7d30c92e739dda351ca46984e7911cc08b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 380e24ee2d9b25ec7152d0d8480297f43e34821e18211891060648f7a3241489
[INFO] running `Command { std: "docker" "start" "-a" "380e24ee2d9b25ec7152d0d8480297f43e34821e18211891060648f7a3241489", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling error-tree v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "380e24ee2d9b25ec7152d0d8480297f43e34821e18211891060648f7a3241489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380e24ee2d9b25ec7152d0d8480297f43e34821e18211891060648f7a3241489", kill_on_drop: false }`
[INFO] [stdout] 380e24ee2d9b25ec7152d0d8480297f43e34821e18211891060648f7a3241489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8cc456989c6744a3bfe83eab8e4bf62458ec4d868d8344b1ecf412559a710c7d
[INFO] running `Command { std: "docker" "start" "-a" "8cc456989c6744a3bfe83eab8e4bf62458ec4d868d8344b1ecf412559a710c7d", 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/error_tree-b62ee32ca7985bd3)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_add_inner_valid ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_add_outer_invalid ... ok
[INFO] [stdout] test error_enum::test_error_enum::test_error_enum_parse_pub ... ok
[INFO] [stdout] test error_enum::test_error_enum::test_error_enum_parse_no_vis ... ok
[INFO] [stdout] test error_field::test_error_field::test_error_field_parse ... ok
[INFO] [stdout] test error_enum::test_error_enum::test_error_enum_parse_pub_super ... ok
[INFO] [stdout] test error_tree::test_parse ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_add_outer_valid ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_add_inner_invalid ... ok
[INFO] [stdout] test error_enum::test_error_enum::test_error_enum_parse_pub_crate ... ok
[INFO] [stdout] test error_enum::test_error_enum::test_parse ... ok
[INFO] [stdout] test error_variant::test_error_variant::test_error_variant_basic ... ok
[INFO] [stdout] test error_tree::test_parse_advanced ... ok
[INFO] [stdout] test error_variant::test_error_variant::test_error_variant_wrapped ... ok
[INFO] [stdout] test error_variant::test_error_variant::test_error_variant_struct ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_empty_conversion_chain ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_add_inner ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_generate_token_stream_multiple_layers ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_generate_token_stream_single_layer ... ok
[INFO] [stdout] test conversion_chain::conversion_chain_tests::test_interleaved_add_and_token_stream_generation ... ok
[INFO] [stderr]      Running tests/advanced_error_hierarchy.rs (/opt/rustwide/target/debug/deps/advanced_error_hierarchy-412203b6972410e1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_audio_hierarchy.rs (/opt/rustwide/target/debug/deps/basic_audio_hierarchy-a0f5dbe8dea0d0d8)
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_multiple_paths ... ok
[INFO] [stdout] test test_error_tree_conversions ... 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] [stdout] 
[INFO] [stderr]      Running tests/clone.rs (/opt/rustwide/target/debug/deps/clone-230f6918260aa9a2)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_error_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_enum_is_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compare_neq.rs (/opt/rustwide/target/debug/deps/compare_neq-354bed892a81a67a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/display.rs (/opt/rustwide/target/debug/deps/display-212abcd0b13f9643)
[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 9 tests
[INFO] [stdout] test test_display_trait_implementation ... ok
[INFO] [stdout] test test_struct_variant_without_display ... ok
[INFO] [stdout] test test_basic_variant_without_display ... ok
[INFO] [stdout] test test_wrapped_variant_without_display ... ok
[INFO] [stdout] test test_wrapped_variant_with_display ... ok
[INFO] [stdout] test test_basic_variant_with_display ... ok
[INFO] [stdout] test test_nested_errors_with_display ... ok
[INFO] [stdout] test test_struct_variant_with_display ... ok
[INFO] [stdout] test test_variant_with_multiple_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error_tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/conversion_chain.rs - conversion_chain::ConversionChain (line 45) ... ignored
[INFO] [stdout] test src/conversion_chain.rs - conversion_chain::ConversionChain (line 75) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8cc456989c6744a3bfe83eab8e4bf62458ec4d868d8344b1ecf412559a710c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc456989c6744a3bfe83eab8e4bf62458ec4d868d8344b1ecf412559a710c7d", kill_on_drop: false }`
[INFO] [stdout] 8cc456989c6744a3bfe83eab8e4bf62458ec4d868d8344b1ecf412559a710c7d