[INFO] fetching crate zksync_object_store 29.7.1-non-semver-compat...
[INFO] documenting zksync_object_store-29.7.1-non-semver-compat against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] extracting crate zksync_object_store 29.7.1-non-semver-compat into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zksync_object_store 29.7.1-non-semver-compat
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zksync_object_store 29.7.1-non-semver-compat
[INFO] tweaked toml for crates.io crate zksync_object_store 29.7.1-non-semver-compat written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zksync_object_store 29.7.1-non-semver-compat on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zksync_object_store 29.7.1-non-semver-compat 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56fb9ebd04e97095f0e926ec8ca28b407a37cb7fc2371d6b9a4b5fa17b23cd8b
[INFO] running `Command { std: "docker" "start" "-a" "56fb9ebd04e97095f0e926ec8ca28b407a37cb7fc2371d6b9a4b5fa17b23cd8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56fb9ebd04e97095f0e926ec8ca28b407a37cb7fc2371d6b9a4b5fa17b23cd8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fb9ebd04e97095f0e926ec8ca28b407a37cb7fc2371d6b9a4b5fa17b23cd8b", kill_on_drop: false }`
[INFO] [stdout] 56fb9ebd04e97095f0e926ec8ca28b407a37cb7fc2371d6b9a4b5fa17b23cd8b
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c4a38ae4f4aa20a9905b9e909320c2e954029fda1923d56fe05cbfda2cb86b
[INFO] running `Command { std: "docker" "start" "-a" "84c4a38ae4f4aa20a9905b9e909320c2e954029fda1923d56fe05cbfda2cb86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking compile-fmt v0.1.0
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling aws-lc-rs v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling prometheus-client v0.23.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking elsa v1.11.2
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking secrecy v0.10.3
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking const-decoder v0.4.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]    Compiling aws-types v1.3.7
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking p256 v0.11.1
[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-2026-01-20-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=ae5fcbb1db994f1a -C extra-filename=-fc938db6d070ea61 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-69590df136bf7863.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e25e27a337ef430a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.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" "84c4a38ae4f4aa20a9905b9e909320c2e954029fda1923d56fe05cbfda2cb86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c4a38ae4f4aa20a9905b9e909320c2e954029fda1923d56fe05cbfda2cb86b", kill_on_drop: false }`
[INFO] [stdout] 84c4a38ae4f4aa20a9905b9e909320c2e954029fda1923d56fe05cbfda2cb86b