[INFO] fetching crate oxkart 0.0.2...
[INFO] testing oxkart-0.0.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate oxkart 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate oxkart 0.0.2
[INFO] finished tweaking crates.io crate oxkart 0.0.2
[INFO] tweaked toml for crates.io crate oxkart 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxkart 0.0.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oxkart 0.0.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp v0.8.14
[INFO] [stderr]   Downloaded rmp-serde v1.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.141
[INFO] [stderr]   Downloaded mimalloc v0.1.48
[INFO] [stderr]   Downloaded rmpv v1.3.0
[INFO] [stderr]   Downloaded lz4_flex v0.11.5
[INFO] [stderr]   Downloaded arrow-schema v53.4.1
[INFO] [stderr]   Downloaded arrow-select v53.4.1
[INFO] [stderr]   Downloaded arrow-data v53.4.1
[INFO] [stderr]   Downloaded arrow-buffer v53.4.1
[INFO] [stderr]   Downloaded arrow-cast v53.4.1
[INFO] [stderr]   Downloaded arrow-ipc v53.4.1
[INFO] [stderr]   Downloaded arrow-array v53.4.1
[INFO] [stderr]   Downloaded geojson v0.24.2
[INFO] [stderr]   Downloaded wkt v0.11.1
[INFO] [stderr]   Downloaded arrow-string v53.4.1
[INFO] [stderr]   Downloaded arrow-ord v53.4.1
[INFO] [stderr]   Downloaded arrow v53.4.1
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.44
[INFO] [stderr]   Downloaded arrow-row v53.4.1
[INFO] [stderr]   Downloaded arrow-json v53.4.1
[INFO] [stderr]   Downloaded arrow-csv v53.4.1
[INFO] [stderr]   Downloaded parquet v53.4.1
[INFO] [stderr]   Downloaded geozero v0.14.0
[INFO] [stderr]   Downloaded arrow-arith v53.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344
[INFO] running `Command { std: "docker" "start" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling arrow-schema v53.4.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling brotli-decompressor v4.0.3
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling geozero v0.14.0
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling lz4_flex v0.11.5
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling humansize v2.1.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.17.0+1.8.1
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling geo-types v0.7.17
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[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/1.99.0-beta.8-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 -C debug-assertions=off --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"' --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=b4ba6ca42450187f -C extra-filename=-0a8291dbdf928acd --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-208daa68e96153db.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-79fd55c75702e9f8.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-4db6325f2cc66793.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" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344", kill_on_drop: false }`
[INFO] [stdout] c3405ac3e126dbf9ff6c0dd5b93c826d0b25ae5c0e8d59fc907d02b8b3e8f344