[INFO] fetching crate servo-metrics 0.7.0...
[INFO] testing servo-metrics-0.7.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate servo-metrics 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate servo-metrics 0.7.0
[INFO] finished tweaking crates.io crate servo-metrics 0.7.0
[INFO] tweaked toml for crates.io crate servo-metrics 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servo-metrics 0.7.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate servo-metrics 0.7.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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] 0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c
[INFO] running `Command { std: "docker" "start" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c", 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" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c", 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" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling siphasher v1.0.4
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling cc v1.5.1
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling polycool v0.4.0
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling xml-rs v0.8.29
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling phf_shared v0.14.0
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.17
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling thin-vec v0.2.20
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling smallbitvec v2.6.1
[INFO] [stderr]    Compiling phf_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling icu_locale_data v2.1.2
[INFO] [stderr]    Compiling string_cache_codegen v0.11.2
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling phf_codegen v0.14.0
[INFO] [stderr]    Compiling encoding_rs v0.8.42
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling png v0.18.1
[INFO] [stderr]    Compiling icu_segmenter_data v2.1.1
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling web_atoms v0.3.0
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling stylo_atoms v0.22.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling gleam v0.15.1
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling webrender_build v0.70.0
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling stylo v0.22.0
[INFO] [stderr]    Compiling build-parallel v0.1.2
[INFO] [stderr]    Compiling zeitstempel v0.2.2
[INFO] [stderr]    Compiling cookie v0.18.2
[INFO] [stderr]    Compiling fearless_simd v0.4.1
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling fontdb v0.24.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling gif v0.14.2
[INFO] [stderr]    Compiling libz-sys v1.1.29
[INFO] [stderr]    Compiling glslopt v0.1.14
[INFO] [stderr]    Compiling freetype-sys v0.23.0
[INFO] [stderr]    Compiling uuid v1.26.1
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling freetype v0.8.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling toml v1.1.6+spec-1.1.0
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling roxmltree v0.21.1
[INFO] [stderr]    Compiling simplecss v0.2.2
[INFO] [stderr]    Compiling tracy-rs v0.1.2
[INFO] [stderr]    Compiling imagesize v0.15.0
[INFO] [stderr]    Compiling data-url v0.3.2
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling unicode-script v0.5.8
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling svg_fmt v0.4.5
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling stylo_static_prefs v0.22.0
[INFO] [stderr]    Compiling ordered-channel v1.2.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling itertools v0.14.0
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --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"' --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=36519d6eeadd8c22 -C extra-filename=-a672cc047744a74d --out-dir /opt/rustwide/target/release/build/syn/a672cc047744a74d/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c", kill_on_drop: false }`
[INFO] [stdout] 0a3d6800cae10554402d0a85ae3a65054d2ce843000ceca28facb07b024c2f0c
