[INFO] fetching crate steer-core 0.19.0...
[INFO] testing steer-core-0.19.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate steer-core 0.19.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate steer-core 0.19.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate steer-core 0.19.0
[INFO] tweaked toml for crates.io crate steer-core 0.19.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate steer-core 0.19.0 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 steer-core 0.19.0 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] 4775d58a740fe9ea12b368970b2dea4b6db2e590999e620455089d4b6f467d97
[INFO] running `Command { std: "docker" "start" "-a" "4775d58a740fe9ea12b368970b2dea4b6db2e590999e620455089d4b6f467d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4775d58a740fe9ea12b368970b2dea4b6db2e590999e620455089d4b6f467d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4775d58a740fe9ea12b368970b2dea4b6db2e590999e620455089d4b6f467d97", kill_on_drop: false }`
[INFO] [stdout] 4775d58a740fe9ea12b368970b2dea4b6db2e590999e620455089d4b6f467d97
[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] 0515c4dedfdc4a563a9b8761c8efc5d9edae8a0ee29dd2511960daaafbb36bfd
[INFO] running `Command { std: "docker" "start" "-a" "0515c4dedfdc4a563a9b8761c8efc5d9edae8a0ee29dd2511960daaafbb36bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling gix-trace v0.1.18
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling sha1-checked v0.10.0
[INFO] [stderr]    Compiling zlib-rs v0.6.3
[INFO] [stderr]    Compiling zlib-rs v0.5.5
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling shell-words v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling faster-hex v0.10.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clru v0.6.3
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling imara-diff v0.1.8
[INFO] [stderr] error: could not compile `jiff` (lib)
[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 jiff --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jiff-0.2.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_jiff)' --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="perf-inline"' --cfg 'feature="std"' --cfg 'feature="tz-fat"' --cfg 'feature="tz-system"' --cfg 'feature="tzdb-bundle-platform"' --cfg 'feature="tzdb-concatenated"' --cfg 'feature="tzdb-zoneinfo"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "js", "logging", "perf-inline", "serde", "static", "static-tz", "std", "tz-fat", "tz-system", "tzdb-bundle-always", "tzdb-bundle-platform", "tzdb-concatenated", "tzdb-zoneinfo"))' -C metadata=0e0a9a2a4661b0fe -C extra-filename=-b4137bb8931c6f29 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-automata` (lib)
[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 regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="dfa"' --cfg 'feature="dfa-build"' --cfg 'feature="dfa-onepass"' --cfg 'feature="dfa-search"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=4e6ee91ed4bcfb7f -C extra-filename=-f509eb02a409b061 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-89d91f86732e41d4.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-19f85ccd2b063f07.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-2cfdfc3e5cb17812.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0515c4dedfdc4a563a9b8761c8efc5d9edae8a0ee29dd2511960daaafbb36bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0515c4dedfdc4a563a9b8761c8efc5d9edae8a0ee29dd2511960daaafbb36bfd", kill_on_drop: false }`
[INFO] [stdout] 0515c4dedfdc4a563a9b8761c8efc5d9edae8a0ee29dd2511960daaafbb36bfd
