[INFO] fetching crate testcat 2.1.0...
[INFO] testing testcat-2.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate testcat 2.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate testcat 2.1.0
[INFO] finished tweaking crates.io crate testcat 2.1.0
[INFO] tweaked toml for crates.io crate testcat 2.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate testcat 2.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 47a3d1de285ae14775319237098e864951c16c1c449e09205126b3ed32966058
[INFO] running `Command { std: "docker" "start" "-a" "47a3d1de285ae14775319237098e864951c16c1c449e09205126b3ed32966058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a3d1de285ae14775319237098e864951c16c1c449e09205126b3ed32966058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a3d1de285ae14775319237098e864951c16c1c449e09205126b3ed32966058", kill_on_drop: false }`
[INFO] [stdout] 47a3d1de285ae14775319237098e864951c16c1c449e09205126b3ed32966058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fef5e3ff84538687cd3145d1a5d3d753fdcf26a6ec5dbe00c851d88a593c4afa
[INFO] running `Command { std: "docker" "start" "-a" "fef5e3ff84538687cd3145d1a5d3d753fdcf26a6ec5dbe00c851d88a593c4afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling testcat v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "fef5e3ff84538687cd3145d1a5d3d753fdcf26a6ec5dbe00c851d88a593c4afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef5e3ff84538687cd3145d1a5d3d753fdcf26a6ec5dbe00c851d88a593c4afa", kill_on_drop: false }`
[INFO] [stdout] fef5e3ff84538687cd3145d1a5d3d753fdcf26a6ec5dbe00c851d88a593c4afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 38afc0555e877afd279bb929c689fb5c40e22ea70dfa4827bd149fd1691cf42f
[INFO] running `Command { std: "docker" "start" "-a" "38afc0555e877afd279bb929c689fb5c40e22ea70dfa4827bd149fd1691cf42f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling testcat v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "38afc0555e877afd279bb929c689fb5c40e22ea70dfa4827bd149fd1691cf42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38afc0555e877afd279bb929c689fb5c40e22ea70dfa4827bd149fd1691cf42f", kill_on_drop: false }`
[INFO] [stdout] 38afc0555e877afd279bb929c689fb5c40e22ea70dfa4827bd149fd1691cf42f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1820506c81927c0b5fb4c8afe6ea4ad3a252fe3a2ecf09919f8f31d8c0d36bdd
[INFO] running `Command { std: "docker" "start" "-a" "1820506c81927c0b5fb4c8afe6ea4ad3a252fe3a2ecf09919f8f31d8c0d36bdd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/testcat-8ecb3c1e69371aa0)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_return_an_empty_string_if_given_string_is_empty ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_drop_non_alphanumeric_characters ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_return_same_identifier_if_all_valid ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_an_ending_quote ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_a_starting_quote ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_starting_whitespace ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_turn_spaces_into_underscores ... ok
[INFO] [stdout] test describe::describe_impl::it_should_prefix_test_modules_with_an_underscore_when_identifier_starts_with_a_number ... ok
[INFO] [stdout] test describe::output::build::it_should_output_test_function_with_wrapper ... ok
[INFO] [stdout] test describe::describe_impl::it_should_provide_describe_blocks ... ok
[INFO] [stdout] test test_case::test_case_impl::it_should_allow_module_names ... ok
[INFO] [stdout] test test_case::test_case_impl::it_should_provide_test_description_and_function_for_test ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_start_and_ending_quotes ... ok
[INFO] [stdout] test test_case::test_case_impl::it_should_provide_test_description_and_function_for_it ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_macro::assertion_examples::it_should_assert_a_is_less_than_b ... ok
[INFO] [stdout] test it_macro::assertion_examples::it_should_assert_true ... ok
[INFO] [stdout] test it_macro::test_5_is_less_than_9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-a2e64854172ee491)
[INFO] [stderr]    Doc-tests testcat
[INFO] running `Command { std: "docker" "inspect" "1820506c81927c0b5fb4c8afe6ea4ad3a252fe3a2ecf09919f8f31d8c0d36bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1820506c81927c0b5fb4c8afe6ea4ad3a252fe3a2ecf09919f8f31d8c0d36bdd", kill_on_drop: false }`
[INFO] [stdout] 1820506c81927c0b5fb4c8afe6ea4ad3a252fe3a2ecf09919f8f31d8c0d36bdd