[INFO] fetching crate oxzy 0.3.0...
[INFO] testing oxzy-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate oxzy 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate oxzy 0.3.0
[INFO] finished tweaking crates.io crate oxzy 0.3.0
[INFO] tweaked toml for crates.io crate oxzy 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxzy 0.3.0 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 oxzy 0.3.0 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] 99441778c3771696aed36150e9587b38b13b95944186868acd9fe0bddfe6af93
[INFO] running `Command { std: "docker" "start" "-a" "99441778c3771696aed36150e9587b38b13b95944186868acd9fe0bddfe6af93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99441778c3771696aed36150e9587b38b13b95944186868acd9fe0bddfe6af93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99441778c3771696aed36150e9587b38b13b95944186868acd9fe0bddfe6af93", kill_on_drop: false }`
[INFO] [stdout] 99441778c3771696aed36150e9587b38b13b95944186868acd9fe0bddfe6af93
[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] 1d4c942cf858718dce21e590226d8ac2d62267078e683c3128acb20b584539ba
[INFO] running `Command { std: "docker" "start" "-a" "1d4c942cf858718dce21e590226d8ac2d62267078e683c3128acb20b584539ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cranelift-isle v0.98.2
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.98.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.98.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling arbitrary v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling wasmtime-component-util v11.0.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling wasm-encoder v0.29.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling wasmparser v0.113.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling io-extras v0.17.4
[INFO] [stderr]    Compiling cranelift-control v0.98.2
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling wasmtime-fiber v11.0.2
[INFO] [stderr]    Compiling ittapi-sys v0.3.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling cap-primitives v1.0.15
[INFO] [stderr]    Compiling ambient-authority v0.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasmtime-runtime v11.0.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling wasmtime-asm-macros v11.0.2
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=54b00091c7e95662 -C extra-filename=-8a39f85ae0ff128a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-31fd54f962fb6827.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8dd7f25f5a3c7bb6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-472188a549d5cedb.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1d4c942cf858718dce21e590226d8ac2d62267078e683c3128acb20b584539ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4c942cf858718dce21e590226d8ac2d62267078e683c3128acb20b584539ba", kill_on_drop: false }`
[INFO] [stdout] 1d4c942cf858718dce21e590226d8ac2d62267078e683c3128acb20b584539ba
