[INFO] fetching crate vexy-vsvg-test-utils 2.4.2...
[INFO] testing vexy-vsvg-test-utils-2.4.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate vexy-vsvg-test-utils 2.4.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate vexy-vsvg-test-utils 2.4.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vexy-vsvg-test-utils 2.4.2
[INFO] tweaked toml for crates.io crate vexy-vsvg-test-utils 2.4.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vexy-vsvg-test-utils 2.4.2 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 vexy-vsvg-test-utils 2.4.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8
[INFO] running `Command { std: "docker" "start" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8", 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" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8" "/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" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8", 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" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8" "/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 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zmij v1.0.20
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling parcel_selectors v0.28.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling euclid v0.22.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling lyon_geom v1.0.18
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling xmlparser v0.10.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling lyon_path v1.0.16
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling fontconfig-parser v0.5.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tempfile v3.25.0
[INFO] [stderr]    Compiling roxmltree v0.7.3
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling selectors v0.35.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling kurbo v0.13.0
[INFO] [stderr]    Compiling vlq v0.5.1
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.4.0
[INFO] [stderr]    Compiling unicode-script v0.5.8
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-ccc v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling float_next_after v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling lyon_tessellation v1.0.16
[INFO] [stderr]    Compiling servo_arc v0.4.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling tiny-skia-path v0.12.0
[INFO] [stderr]    Compiling fontdb v0.23.0
[INFO] [stderr]    Compiling rustybuzz v0.20.1
[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/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-2.0.114/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="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=df01bb2840b33ad5 -C extra-filename=-91780927be50acf8 --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_macro2-3298cade8e2388aa.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-f0761b5dc659568d.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-6d5a206b8c75ed08.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/1.99.0-beta.8-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 -C debug-assertions=off --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=a118bbbff31d6475 -C extra-filename=-711981d17319313a --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_macro2-3298cade8e2388aa.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-f0761b5dc659568d.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-6d5a206b8c75ed08.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8", kill_on_drop: false }`
[INFO] [stdout] 3a4abe9068036c6f87d73dbbfb1e4fd31cf09c82139477e25f44b7b6022d56e8
