[INFO] fetching crate hot-loop 0.1.0...
[INFO] testing hot-loop-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate hot-loop 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate hot-loop 0.1.0
[INFO] finished tweaking crates.io crate hot-loop 0.1.0
[INFO] tweaked toml for crates.io crate hot-loop 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hot-loop 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hot-loop 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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a6cd24f1c61283d2e3c87a01083034b042722347b65619e7786f4058f206b4
[INFO] running `Command { std: "docker" "start" "-a" "79a6cd24f1c61283d2e3c87a01083034b042722347b65619e7786f4058f206b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a6cd24f1c61283d2e3c87a01083034b042722347b65619e7786f4058f206b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a6cd24f1c61283d2e3c87a01083034b042722347b65619e7786f4058f206b4", kill_on_drop: false }`
[INFO] [stdout] 79a6cd24f1c61283d2e3c87a01083034b042722347b65619e7786f4058f206b4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f807bd39c0f9e56cc46c838cd46684d41ccf441124d0d50a99d1ff959d7baa68
[INFO] running `Command { std: "docker" "start" "-a" "f807bd39c0f9e56cc46c838cd46684d41ccf441124d0d50a99d1ff959d7baa68", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling pulp v0.22.2
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]    Compiling pulp-wasm-simd-flag v0.1.0
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling typed-path v0.12.3
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling esaxx-rs v0.1.10
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling console v0.16.2
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling unicode-normalization-alignments v0.1.12
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling indicatif v0.18.4
[INFO] [stderr]    Compiling zip v7.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling fancy-regex v0.17.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling onig v6.5.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling monostate-impl v0.1.18
[INFO] [stderr]    Compiling monostate v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dyn-stack v0.13.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling safetensors v0.7.0
[INFO] [stderr]    Compiling spm_precompiled v0.1.4
[INFO] [stderr]    Compiling serde_plain v1.0.2
[INFO] [stderr]    Compiling dary_heap v0.3.8
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling tokenizers v0.22.2
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling gemm-common v0.19.0
[INFO] [stderr]    Compiling float8 v0.6.1
[INFO] [stderr]    Compiling gemm-f32 v0.19.0
[INFO] [stderr]    Compiling gemm-c64 v0.19.0
[INFO] [stderr]    Compiling gemm-c32 v0.19.0
[INFO] [stderr]    Compiling gemm-f64 v0.19.0
[INFO] [stderr]    Compiling gemm-f16 v0.19.0
[INFO] [stderr]    Compiling gemm v0.19.0
[INFO] [stderr]    Compiling candle-core v0.9.2
[INFO] [stderr]    Compiling candle-nn v0.9.2
[INFO] [stderr]    Compiling candle-transformers v0.9.2
[INFO] [stderr]    Compiling hot-loop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "f807bd39c0f9e56cc46c838cd46684d41ccf441124d0d50a99d1ff959d7baa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f807bd39c0f9e56cc46c838cd46684d41ccf441124d0d50a99d1ff959d7baa68", kill_on_drop: false }`
[INFO] [stdout] f807bd39c0f9e56cc46c838cd46684d41ccf441124d0d50a99d1ff959d7baa68
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470118124a8be5e8e31e36baa8fbf920723fb67ba99abb3a79e023452be611bc
[INFO] running `Command { std: "docker" "start" "-a" "470118124a8be5e8e31e36baa8fbf920723fb67ba99abb3a79e023452be611bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling hot-loop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "470118124a8be5e8e31e36baa8fbf920723fb67ba99abb3a79e023452be611bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470118124a8be5e8e31e36baa8fbf920723fb67ba99abb3a79e023452be611bc", kill_on_drop: false }`
[INFO] [stdout] 470118124a8be5e8e31e36baa8fbf920723fb67ba99abb3a79e023452be611bc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb5c66731eaff25a5bcb5056eb0c62dcb3599705da3b380b102838c714313ba0
[INFO] running `Command { std: "docker" "start" "-a" "bb5c66731eaff25a5bcb5056eb0c62dcb3599705da3b380b102838c714313ba0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hot_loop-b746688cd23affb8)
[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]    Doc-tests hot_loop
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/utils/kv_cache.rs - utils::kv_cache::ConcatKvCache::new (line 23) ... ignored
[INFO] [stdout] test src/models/qwen3/chat_template.rs - models::qwen3::chat_template::ChatTemplate::assistant_start_template (line 87) ... FAILED
[INFO] [stdout] test src/models/qwen3/chat_template.rs - models::qwen3::chat_template::ChatTemplate::fmt_prompt (line 60) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/models/qwen3/chat_template.rs - models::qwen3::chat_template::ChatTemplate::assistant_start_template (line 87) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/models/qwen3/chat_template.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_models_qwen3_chat_template_rs_87_0() {
[INFO] [stdout]    |                                                                                               - help: try adding a return type: `-> &'static str`
[INFO] [stdout] 88 | "<|im_start|>assistant\n"
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/models/qwen3/chat_template.rs - models::qwen3::chat_template::ChatTemplate::fmt_prompt (line 60) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/models/qwen3/chat_template.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_models_qwen3_chat_template_rs_60_0() {
[INFO] [stdout]    |                                                                                               - help: try adding a return type: `-> &'static str`
[INFO] [stdout] 61 | "<|im_start|>{role}\n{prompt}<|im_end|>\n"
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/models/qwen3/chat_template.rs - models::qwen3::chat_template::ChatTemplate::assistant_start_template (line 87)
[INFO] [stdout]     src/models/qwen3/chat_template.rs - models::qwen3::chat_template::ChatTemplate::fmt_prompt (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.21s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bb5c66731eaff25a5bcb5056eb0c62dcb3599705da3b380b102838c714313ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5c66731eaff25a5bcb5056eb0c62dcb3599705da3b380b102838c714313ba0", kill_on_drop: false }`
[INFO] [stdout] bb5c66731eaff25a5bcb5056eb0c62dcb3599705da3b380b102838c714313ba0
