[INFO] fetching crate wikibase 0.7.6...
[INFO] testing wikibase-0.7.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate wikibase 0.7.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wikibase 0.7.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate wikibase 0.7.6
[INFO] tweaked toml for crates.io crate wikibase 0.7.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wikibase 0.7.6 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 wikibase 0.7.6 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] [stderr]     Blocking waiting for file lock on package cache
[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] 5ef39d37cb85ad737bdfa5da81d2cedcc97089c9f3f755700585191abffd3746
[INFO] running `Command { std: "docker" "start" "-a" "5ef39d37cb85ad737bdfa5da81d2cedcc97089c9f3f755700585191abffd3746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef39d37cb85ad737bdfa5da81d2cedcc97089c9f3f755700585191abffd3746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef39d37cb85ad737bdfa5da81d2cedcc97089c9f3f755700585191abffd3746", kill_on_drop: false }`
[INFO] [stdout] 5ef39d37cb85ad737bdfa5da81d2cedcc97089c9f3f755700585191abffd3746
[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] ca877aa6a4b28c6affda6cbdd894d5a14c67fa1964cf32864ad0a08b78aeb7e2
[INFO] running `Command { std: "docker" "start" "-a" "ca877aa6a4b28c6affda6cbdd894d5a14c67fa1964cf32864ad0a08b78aeb7e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling compression-core v0.4.31
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling compression-codecs v0.4.37
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling unicode-case-mapping v0.5.0
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling iri-string v0.7.10
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling aws-lc-sys v0.38.0
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling libz-sys v1.1.25
[INFO] [stderr]    Compiling curl-sys v0.4.85+curl-8.18.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon v1.11.0
[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-2.0.117/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=f50fd23ee619c33a -C extra-filename=-db35dfc171bce774 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.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" "ca877aa6a4b28c6affda6cbdd894d5a14c67fa1964cf32864ad0a08b78aeb7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca877aa6a4b28c6affda6cbdd894d5a14c67fa1964cf32864ad0a08b78aeb7e2", kill_on_drop: false }`
[INFO] [stdout] ca877aa6a4b28c6affda6cbdd894d5a14c67fa1964cf32864ad0a08b78aeb7e2
