[INFO] fetching crate duckling 0.4.0...
[INFO] testing duckling-0.4.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate duckling 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate duckling 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate duckling 0.4.0
[INFO] tweaked toml for crates.io crate duckling 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate duckling 0.4.0 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 duckling 0.4.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 78fe9878703343d49df1ec26d3b73e5417ef1113b229babe16d9ffc7dc40bb0c
[INFO] running `Command { std: "docker" "start" "-a" "78fe9878703343d49df1ec26d3b73e5417ef1113b229babe16d9ffc7dc40bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78fe9878703343d49df1ec26d3b73e5417ef1113b229babe16d9ffc7dc40bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fe9878703343d49df1ec26d3b73e5417ef1113b229babe16d9ffc7dc40bb0c", kill_on_drop: false }`
[INFO] [stdout] 78fe9878703343d49df1ec26d3b73e5417ef1113b229babe16d9ffc7dc40bb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d8772a73066c0ce345b063abf81a84e9871052604f0fcaf785a4ef83b06545f0
[INFO] running `Command { std: "docker" "start" "-a" "d8772a73066c0ce345b063abf81a84e9871052604f0fcaf785a4ef83b06545f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zmij v1.0.20
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling duckling v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.09s
[INFO] running `Command { std: "docker" "inspect" "d8772a73066c0ce345b063abf81a84e9871052604f0fcaf785a4ef83b06545f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8772a73066c0ce345b063abf81a84e9871052604f0fcaf785a4ef83b06545f0", kill_on_drop: false }`
[INFO] [stdout] d8772a73066c0ce345b063abf81a84e9871052604f0fcaf785a4ef83b06545f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e2fba5b4ca3179fb416c5b01aa8a60e603a152039b3e38321da0b5dda3da553
[INFO] running `Command { std: "docker" "start" "-a" "5e2fba5b4ca3179fb416c5b01aa8a60e603a152039b3e38321da0b5dda3da553", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling duckling v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr] error: could not compile `duckling` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name duckling --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("train"))' -C metadata=d46e0a96ce07b4be -C extra-filename=-9dc6f3f86d34e479 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-d2f927509c675f5e.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-4690182f2a72a6fb.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-b4877c6cda7d43ee.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-9ec3b2d30075ab56.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-6a8a146e64aa3a68.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-b8ca247bd3b82ca5.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-788f6b0fd9ea6f26.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-f1edee636e9ac88b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e2fba5b4ca3179fb416c5b01aa8a60e603a152039b3e38321da0b5dda3da553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2fba5b4ca3179fb416c5b01aa8a60e603a152039b3e38321da0b5dda3da553", kill_on_drop: false }`
[INFO] [stdout] 5e2fba5b4ca3179fb416c5b01aa8a60e603a152039b3e38321da0b5dda3da553