[INFO] fetching crate testcat 2.1.0...
[INFO] testing testcat-2.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate testcat 2.1.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate testcat 2.1.0 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 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-2025-09-21" "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] 1b563134eba2f1291ad67cd910dda3b0b131c66fc55cb1e417fe0877946a7e8e
[INFO] running `Command { std: "docker" "start" "-a" "1b563134eba2f1291ad67cd910dda3b0b131c66fc55cb1e417fe0877946a7e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b563134eba2f1291ad67cd910dda3b0b131c66fc55cb1e417fe0877946a7e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b563134eba2f1291ad67cd910dda3b0b131c66fc55cb1e417fe0877946a7e8e", kill_on_drop: false }`
[INFO] [stdout] 1b563134eba2f1291ad67cd910dda3b0b131c66fc55cb1e417fe0877946a7e8e
[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] a70ec282607f2e40e73a8d0be001717f7d5c7a8fe27ddfa4e08414600e0cfc1a
[INFO] running `Command { std: "docker" "start" "-a" "a70ec282607f2e40e73a8d0be001717f7d5c7a8fe27ddfa4e08414600e0cfc1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling testcat v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "a70ec282607f2e40e73a8d0be001717f7d5c7a8fe27ddfa4e08414600e0cfc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70ec282607f2e40e73a8d0be001717f7d5c7a8fe27ddfa4e08414600e0cfc1a", kill_on_drop: false }`
[INFO] [stdout] a70ec282607f2e40e73a8d0be001717f7d5c7a8fe27ddfa4e08414600e0cfc1a
[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] e38cb7e05aa29132d9dc99dc7a8c7e91aeabce01876a01f80f2e58abbbdd68ef
[INFO] running `Command { std: "docker" "start" "-a" "e38cb7e05aa29132d9dc99dc7a8c7e91aeabce01876a01f80f2e58abbbdd68ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling testcat v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "e38cb7e05aa29132d9dc99dc7a8c7e91aeabce01876a01f80f2e58abbbdd68ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38cb7e05aa29132d9dc99dc7a8c7e91aeabce01876a01f80f2e58abbbdd68ef", kill_on_drop: false }`
[INFO] [stdout] e38cb7e05aa29132d9dc99dc7a8c7e91aeabce01876a01f80f2e58abbbdd68ef
[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] 8c2487a5a30abdeaa97d08c86461b2b2e79892d791bb29c5c29bfc5ccc42286e
[INFO] running `Command { std: "docker" "start" "-a" "8c2487a5a30abdeaa97d08c86461b2b2e79892d791bb29c5c29bfc5ccc42286e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/testcat-6c1b0d25fd364a9f)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_start_and_ending_quotes ... 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 common::grammar::description_to_identifier::it_should_trim_a_starting_quote ... ok
[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_return_same_identifier_if_all_valid ... 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 common::grammar::description_to_identifier::it_should_drop_non_alphanumeric_characters ... 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 test_case::test_case_impl::it_should_provide_test_description_and_function_for_it ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_an_ending_quote ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-bc08dca0cf67645a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[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] test it_macro::assertion_examples::it_should_assert_a_is_less_than_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests testcat
[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" "8c2487a5a30abdeaa97d08c86461b2b2e79892d791bb29c5c29bfc5ccc42286e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2487a5a30abdeaa97d08c86461b2b2e79892d791bb29c5c29bfc5ccc42286e", kill_on_drop: false }`
[INFO] [stdout] 8c2487a5a30abdeaa97d08c86461b2b2e79892d791bb29c5c29bfc5ccc42286e