[INFO] fetching crate rusty-rules 0.2.1...
[INFO] testing rusty-rules-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusty-rules 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rusty-rules 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rusty-rules 0.2.1
[INFO] tweaked toml for crates.io crate rusty-rules 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-rules 0.2.1 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 rusty-rules 0.2.1 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-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2d08f895c91869b7007229c242ec11758d550bdcb929783ae47d5c25eed73a9
[INFO] running `Command { std: "docker" "start" "-a" "f2d08f895c91869b7007229c242ec11758d550bdcb929783ae47d5c25eed73a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2d08f895c91869b7007229c242ec11758d550bdcb929783ae47d5c25eed73a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d08f895c91869b7007229c242ec11758d550bdcb929783ae47d5c25eed73a9", kill_on_drop: false }`
[INFO] [stdout] f2d08f895c91869b7007229c242ec11758d550bdcb929783ae47d5c25eed73a9
[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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3481cd81a6819469a0a1ccf704b03a7828d6362fc8b0b3922dd6dbb834e44bdd
[INFO] running `Command { std: "docker" "start" "-a" "3481cd81a6819469a0a1ccf704b03a7828d6362fc8b0b3922dd6dbb834e44bdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling prefix-trie v0.6.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ipnet-trie v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rusty-rules v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.96s
[INFO] running `Command { std: "docker" "inspect" "3481cd81a6819469a0a1ccf704b03a7828d6362fc8b0b3922dd6dbb834e44bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3481cd81a6819469a0a1ccf704b03a7828d6362fc8b0b3922dd6dbb834e44bdd", kill_on_drop: false }`
[INFO] [stdout] 3481cd81a6819469a0a1ccf704b03a7828d6362fc8b0b3922dd6dbb834e44bdd
[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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a70ed685cb377b4f547d98eba0b0a7d38cfa25dd0083ada8fdebbb0f92013e
[INFO] running `Command { std: "docker" "start" "-a" "c0a70ed685cb377b4f547d98eba0b0a7d38cfa25dd0083ada8fdebbb0f92013e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling nohash v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling lalrpop-util v0.22.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling luajit-src v210.6.1+f9140a6
[INFO] [stderr]    Compiling lua-src v548.1.1
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling moka v0.12.10
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling borrow-or-share v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling grok v2.4.0
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling mlua-sys v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling dbl v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling woothee v0.13.0
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling prefix-trie v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling time v0.3.43
[INFO] [stderr]    Compiling regex-filtered v0.2.0
[INFO] [stderr]    Compiling lalrpop v0.22.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling fancy-regex v0.16.1
[INFO] [stderr]    Compiling cmac v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.13.0
[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-2.0.106/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=1648abc9d8424a6e -C extra-filename=-d5bb1ac697ecd85d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1958698a91c173b7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ae9bca3a7ac16c3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6572fa6bb87326c0.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c0a70ed685cb377b4f547d98eba0b0a7d38cfa25dd0083ada8fdebbb0f92013e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a70ed685cb377b4f547d98eba0b0a7d38cfa25dd0083ada8fdebbb0f92013e", kill_on_drop: false }`
[INFO] [stdout] c0a70ed685cb377b4f547d98eba0b0a7d38cfa25dd0083ada8fdebbb0f92013e
