[INFO] fetching crate probe-code 0.6.0...
[INFO] testing probe-code-0.6.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate probe-code 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate probe-code 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate probe-code 0.6.0
[INFO] tweaked toml for crates.io crate probe-code 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate probe-code 0.6.0 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 probe-code 0.6.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 19c09fffc158bcef6edb4d49ece4ae3f2cfffd1547c813c2ba9fed7c452735bf
[INFO] running `Command { std: "docker" "start" "-a" "19c09fffc158bcef6edb4d49ece4ae3f2cfffd1547c813c2ba9fed7c452735bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c09fffc158bcef6edb4d49ece4ae3f2cfffd1547c813c2ba9fed7c452735bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c09fffc158bcef6edb4d49ece4ae3f2cfffd1547c813c2ba9fed7c452735bf", kill_on_drop: false }`
[INFO] [stdout] 19c09fffc158bcef6edb4d49ece4ae3f2cfffd1547c813c2ba9fed7c452735bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 848d6b7931a73711e6ea6ba6db0a16b080d13228c5918ad1afecae34b5d214d8
[INFO] running `Command { std: "docker" "start" "-a" "848d6b7931a73711e6ea6ba6db0a16b080d13228c5918ad1afecae34b5d214d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling tree-sitter-language v0.1.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling grep-matcher v0.1.7
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unicode_titlecase v2.4.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling memmap2 v0.9.7
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling tree-sitter v0.24.7
[INFO] [stderr]    Compiling tree-sitter-css v0.23.2
[INFO] [stderr]    Compiling tree-sitter-kotlin-sg v0.4.0
[INFO] [stderr]    Compiling tree-sitter-elixir v0.3.4
[INFO] [stderr]    Compiling tree-sitter-html v0.23.2
[INFO] [stderr]    Compiling tree-sitter-swift v0.7.1
[INFO] [stderr]    Compiling tree-sitter-yaml v0.7.1
[INFO] [stderr]    Compiling tree-sitter-java v0.23.5
[INFO] [stderr]    Compiling tree-sitter-lua v0.2.0
[INFO] [stderr]    Compiling tree-sitter-c-sharp v0.23.1
[INFO] [stderr]    Compiling tree-sitter-ruby v0.23.1
[INFO] [stderr]    Compiling tree-sitter-haskell v0.23.1
[INFO] [stderr]    Compiling tree-sitter-c v0.23.4
[INFO] [stderr]    Compiling tree-sitter-bash v0.23.3
[INFO] [stderr]    Compiling tree-sitter-json v0.23.0
[INFO] [stderr]    Compiling tree-sitter-scala v0.23.4
[INFO] [stderr]    Compiling tree-sitter-javascript v0.23.1
[INFO] [stderr]    Compiling tree-sitter-python v0.23.6
[INFO] [stderr]    Compiling tree-sitter-php v0.23.11
[INFO] [stderr]    Compiling tree-sitter-typescript v0.23.2
[INFO] [stderr]    Compiling tree-sitter-rust v0.23.3
[INFO] [stderr]    Compiling tree-sitter-cpp v0.23.4
[INFO] [stderr]    Compiling tree-sitter-go v0.23.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling synstructure v0.13.2
[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-0.4.9/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 --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=858537c531581e42 -C extra-filename=-575c12d1838cf7e2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-555237e645a7aa1a.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-00551d7dcf71ae3d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-ec3324d7c59077ca.rmeta --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 `syn` (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 syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=9b6ead467c9f9954 -C extra-filename=-bc99b7eaf0b55120 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c09048c77d6dd0d8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0431a71a56ef9e12.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6572fa6bb87326c0.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "848d6b7931a73711e6ea6ba6db0a16b080d13228c5918ad1afecae34b5d214d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848d6b7931a73711e6ea6ba6db0a16b080d13228c5918ad1afecae34b5d214d8", kill_on_drop: false }`
[INFO] [stdout] 848d6b7931a73711e6ea6ba6db0a16b080d13228c5918ad1afecae34b5d214d8
