[INFO] fetching crate libruskel 0.0.10...
[INFO] testing libruskel-0.0.10 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libruskel 0.0.10 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libruskel 0.0.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libruskel 0.0.10
[INFO] tweaked toml for crates.io crate libruskel 0.0.10 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libruskel 0.0.10 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libruskel 0.0.10 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5417722e54523fb0a888e312fbb1b93d6268a68217f34b80583fae59f5fbfb8
[INFO] running `Command { std: "docker" "start" "-a" "e5417722e54523fb0a888e312fbb1b93d6268a68217f34b80583fae59f5fbfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5417722e54523fb0a888e312fbb1b93d6268a68217f34b80583fae59f5fbfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5417722e54523fb0a888e312fbb1b93d6268a68217f34b80583fae59f5fbfb8", kill_on_drop: false }`
[INFO] [stdout] e5417722e54523fb0a888e312fbb1b93d6268a68217f34b80583fae59f5fbfb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4d3bcc6910091a4120b5c381a535fa7b85a6c85c61e9b03483104b14064d6cf
[INFO] running `Command { std: "docker" "start" "-a" "f4d3bcc6910091a4120b5c381a535fa7b85a6c85c61e9b03483104b14064d6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling gix-trace v0.1.12
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling jiff v0.1.29
[INFO] [stderr]    Compiling winnow v0.6.26
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling prodash v29.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling gix-sec v0.10.11
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling tempfile v3.17.1
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.11+1.64.0
[INFO] [stderr]    Compiling curl-sys v0.4.80+curl-8.12.1
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling libgit2-sys v0.17.0+1.8.1
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling terminal_size v0.4.1
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling blake3 v1.6.0
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling primeorder v0.13.6
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling fiat-crypto v0.2.9
[INFO] [stderr]    Compiling gix-utils v0.1.14
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling globset v0.4.15
[INFO] [stderr]    Compiling p384 v0.13.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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=df77df132a360dd2 -C extra-filename=-ce66f23426483958 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-afb286afc3aedca7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bc2ea428be4cc0e7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d3b6c537b11caace.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" "f4d3bcc6910091a4120b5c381a535fa7b85a6c85c61e9b03483104b14064d6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d3bcc6910091a4120b5c381a535fa7b85a6c85c61e9b03483104b14064d6cf", kill_on_drop: false }`
[INFO] [stdout] f4d3bcc6910091a4120b5c381a535fa7b85a6c85c61e9b03483104b14064d6cf
