[INFO] fetching crate vulnera-advisor 0.1.7...
[INFO] testing vulnera-advisor-0.1.7 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate vulnera-advisor 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vulnera-advisor 0.1.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vulnera-advisor 0.1.7
[INFO] tweaked toml for crates.io crate vulnera-advisor 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vulnera-advisor 0.1.7 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 vulnera-advisor 0.1.7 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f3226ed663eca68d84b01577993d477a41e50fc14b23803d094bf7e97f0c8ad5
[INFO] running `Command { std: "docker" "start" "-a" "f3226ed663eca68d84b01577993d477a41e50fc14b23803d094bf7e97f0c8ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3226ed663eca68d84b01577993d477a41e50fc14b23803d094bf7e97f0c8ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3226ed663eca68d84b01577993d477a41e50fc14b23803d094bf7e97f0c8ad5", kill_on_drop: false }`
[INFO] [stdout] f3226ed663eca68d84b01577993d477a41e50fc14b23803d094bf7e97f0c8ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 790700c44adfec6bd3e9172b01bf6f0d43a3d633aeae278049101f8786b81d0f
[INFO] running `Command { std: "docker" "start" "-a" "790700c44adfec6bd3e9172b01bf6f0d43a3d633aeae278049101f8786b81d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling native-tls v0.2.15
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling deranged v0.5.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling time-core v0.1.7
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling libbz2-rs-sys v0.2.2
[INFO] [stderr]    Compiling zlib-rs v0.6.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling lzma-rust2 v0.13.0
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling time v0.3.45
[INFO] [stderr]    Compiling bzip2 v0.6.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling spinning_top v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling ppmd-rust v1.4.0
[INFO] [stderr]    Compiling deflate64 v0.1.10
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling nonzero_ext v0.3.0
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling tempfile v3.25.0
[INFO] [stderr]    Compiling regex-lite v0.1.9
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling quanta v0.12.6
[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-2.0.115/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=74365127fc05ed95 -C extra-filename=-989002edce2af431 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2306e84c82f3aaa6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-027aa035d3b7b87f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-114df360ce5d389d.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=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"' --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=b99affdc2b4fc304 -C extra-filename=-d59fa96757b1ceb6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2306e84c82f3aaa6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-027aa035d3b7b87f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-114df360ce5d389d.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "790700c44adfec6bd3e9172b01bf6f0d43a3d633aeae278049101f8786b81d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790700c44adfec6bd3e9172b01bf6f0d43a3d633aeae278049101f8786b81d0f", kill_on_drop: false }`
[INFO] [stdout] 790700c44adfec6bd3e9172b01bf6f0d43a3d633aeae278049101f8786b81d0f