[INFO] fetching crate thulpoff-engine 0.1.0...
[INFO] testing thulpoff-engine-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate thulpoff-engine 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate thulpoff-engine 0.1.0
[INFO] finished tweaking crates.io crate thulpoff-engine 0.1.0
[INFO] tweaked toml for crates.io crate thulpoff-engine 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thulpoff-engine 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thulpoff-engine 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8559da03bd0b34589cdf52f305f1eff6bf4001e3cc60632429c27a2dc05b2b7f
[INFO] running `Command { std: "docker" "start" "-a" "8559da03bd0b34589cdf52f305f1eff6bf4001e3cc60632429c27a2dc05b2b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8559da03bd0b34589cdf52f305f1eff6bf4001e3cc60632429c27a2dc05b2b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8559da03bd0b34589cdf52f305f1eff6bf4001e3cc60632429c27a2dc05b2b7f", kill_on_drop: false }`
[INFO] [stdout] 8559da03bd0b34589cdf52f305f1eff6bf4001e3cc60632429c27a2dc05b2b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a27da0ba3b536d669ffd60290eb605039207eea2da5cdb795b2269544a024d
[INFO] running `Command { std: "docker" "start" "-a" "16a27da0ba3b536d669ffd60290eb605039207eea2da5cdb795b2269544a024d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling iri-string v0.7.11
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling thulpoff-core v0.1.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling thulpoff-provider v0.1.0
[INFO] [stderr]    Compiling thulpoff-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ThulpoffError`
[INFO] [stdout]  --> src/generation.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TestCase, ThulpoffError, Result,
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThulpoffError`
[INFO] [stdout]  --> src/evaluation.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TestCase, TestResult, ThulpoffError, Result,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.64s
[INFO] running `Command { std: "docker" "inspect" "16a27da0ba3b536d669ffd60290eb605039207eea2da5cdb795b2269544a024d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a27da0ba3b536d669ffd60290eb605039207eea2da5cdb795b2269544a024d", kill_on_drop: false }`
[INFO] [stdout] 16a27da0ba3b536d669ffd60290eb605039207eea2da5cdb795b2269544a024d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 851f6c7e9eae85f1d5d41de6049f1d2809f52da2fc31bc67950032a2488ab796
[INFO] running `Command { std: "docker" "start" "-a" "851f6c7e9eae85f1d5d41de6049f1d2809f52da2fc31bc67950032a2488ab796", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ThulpoffError`
[INFO] [stdout]  --> src/generation.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TestCase, ThulpoffError, Result,
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThulpoffError`
[INFO] [stdout]  --> src/evaluation.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TestCase, TestResult, ThulpoffError, Result,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thulpoff-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ThulpoffError`
[INFO] [stdout]  --> src/generation.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TestCase, ThulpoffError, Result,
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThulpoffError`
[INFO] [stdout]  --> src/evaluation.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TestCase, TestResult, ThulpoffError, Result,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "851f6c7e9eae85f1d5d41de6049f1d2809f52da2fc31bc67950032a2488ab796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851f6c7e9eae85f1d5d41de6049f1d2809f52da2fc31bc67950032a2488ab796", kill_on_drop: false }`
[INFO] [stdout] 851f6c7e9eae85f1d5d41de6049f1d2809f52da2fc31bc67950032a2488ab796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a484b9e3dafe7ba003d1918b958635eddd51ef5d795c920d205b92fccb7a4b3c
[INFO] running `Command { std: "docker" "start" "-a" "a484b9e3dafe7ba003d1918b958635eddd51ef5d795c920d205b92fccb7a4b3c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ThulpoffError`
[INFO] [stderr]  --> src/generation.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     TestCase, ThulpoffError, Result,
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ThulpoffError`
[INFO] [stderr]  --> src/evaluation.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 |     TestCase, TestResult, ThulpoffError, Result,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `thulpoff-engine` (lib) generated 2 warnings (run `cargo fix --lib -p thulpoff-engine` to apply 2 suggestions)
[INFO] [stderr] warning: `thulpoff-engine` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thulpoff_engine-f668a22aab56ed15)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test evaluation::tests::baseline_comparison_serde ... ok
[INFO] [stdout] test evaluation::tests::check_criteria_empty_output ... ok
[INFO] [stdout] test evaluation::tests::check_criteria_all_met ... ok
[INFO] [stdout] test evaluation::tests::baseline_comparison_shows_improvement ... ok
[INFO] [stdout] test evaluation::tests::evaluate_skill_with_passing_tests ... ok
[INFO] [stdout] test evaluation::tests::load_last_result_no_history ... ok
[INFO] [stdout] test generation::tests::extract_field_finds_value ... ok
[INFO] [stdout] test evaluation::tests::check_criteria_no_criteria ... ok
[INFO] [stdout] test generation::tests::generate_produces_skill ... ok
[INFO] [stdout] test evaluation::tests::check_criteria_partial ... ok
[INFO] [stdout] test generation::tests::extract_code_block_parses ... ok
[INFO] [stdout] test generation::tests::parse_skill_response_with_minimal_content ... ok
[INFO] [stdout] test refinement::tests::refine_skips_perfect_score ... ok
[INFO] [stdout] test refinement::tests::refine_improves_on_failure ... ok
[INFO] [stdout] test generation::tests::slugify_works ... ok
[INFO] [stdout] test refinement::tests::truncate_long_string ... ok
[INFO] [stdout] test evaluation::tests::save_and_load_result ... ok
[INFO] [stdout] test refinement::tests::truncate_short_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thulpoff_engine
[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" "a484b9e3dafe7ba003d1918b958635eddd51ef5d795c920d205b92fccb7a4b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a484b9e3dafe7ba003d1918b958635eddd51ef5d795c920d205b92fccb7a4b3c", kill_on_drop: false }`
[INFO] [stdout] a484b9e3dafe7ba003d1918b958635eddd51ef5d795c920d205b92fccb7a4b3c
