[INFO] fetching crate nameback 0.7.1...
[INFO] testing nameback-0.7.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nameback 0.7.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nameback 0.7.1
[INFO] finished tweaking crates.io crate nameback 0.7.1
[INFO] tweaked toml for crates.io crate nameback 0.7.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nameback 0.7.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nameback 0.7.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rangemap v1.6.0
[INFO] [stderr]   Downloaded equator-macro v0.4.2
[INFO] [stderr]   Downloaded leptonica-plumbing v1.4.0
[INFO] [stderr]   Downloaded v_frame v0.3.9
[INFO] [stderr]   Downloaded avif-serialize v0.8.6
[INFO] [stderr]   Downloaded bit_field v0.10.3
[INFO] [stderr]   Downloaded fax_derive v0.2.0
[INFO] [stderr]   Downloaded equator v0.4.2
[INFO] [stderr]   Downloaded lebe v0.5.3
[INFO] [stderr]   Downloaded imgref v1.12.0
[INFO] [stderr]   Downloaded ravif v0.11.20
[INFO] [stderr]   Downloaded image-webp v0.2.4
[INFO] [stderr]   Downloaded zune-jpeg v0.4.21
[INFO] [stderr]   Downloaded png v0.18.0
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.10
[INFO] [stderr]   Downloaded cfb v0.7.3
[INFO] [stderr]   Downloaded tesseract v0.14.0
[INFO] [stderr]   Downloaded aligned-vec v0.6.4
[INFO] [stderr]   Downloaded moxcms v0.7.9
[INFO] [stderr]   Downloaded nameback-core v0.7.1
[INFO] [stderr]   Downloaded rgb v0.8.52
[INFO] [stderr]   Downloaded infer v0.16.0
[INFO] [stderr]   Downloaded image v0.25.8
[INFO] [stderr]   Downloaded tesseract-sys v0.5.15
[INFO] [stderr]   Downloaded profiling-procmacros v1.0.17
[INFO] [stderr]   Downloaded pdf-extract v0.7.12
[INFO] [stderr]   Downloaded av1-grain v0.2.5
[INFO] [stderr]   Downloaded fax v0.2.6
[INFO] [stderr]   Downloaded leptonica-sys v0.4.9
[INFO] [stderr]   Downloaded tesseract-plumbing v0.10.0
[INFO] [stderr]   Downloaded pxfm v0.1.25
[INFO] [stderr]   Downloaded tiff v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65f7e68ba80eb367515414be43a638d83e2aea286684311494c7554cf910c58
[INFO] running `Command { std: "docker" "start" "-a" "b65f7e68ba80eb367515414be43a638d83e2aea286684311494c7554cf910c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65f7e68ba80eb367515414be43a638d83e2aea286684311494c7554cf910c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65f7e68ba80eb367515414be43a638d83e2aea286684311494c7554cf910c58", kill_on_drop: false }`
[INFO] [stdout] b65f7e68ba80eb367515414be43a638d83e2aea286684311494c7554cf910c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d58099232736bea6b1b0f3d454a152ac4a940d0a82e0dbb1f29534873e4cbaf5
[INFO] running `Command { std: "docker" "start" "-a" "d58099232736bea6b1b0f3d454a152ac4a940d0a82e0dbb1f29534873e4cbaf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling cc v1.2.43
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling zune-jpeg v0.4.21
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling pxfm v0.1.25
[INFO] [stderr]    Compiling avif-serialize v0.8.6
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling rangemap v1.6.0
[INFO] [stderr]    Compiling lebe v0.5.3
[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/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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"' --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=15f4f04b0b8d0fdb -C extra-filename=-a27c271cc765bd78 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c33479d57b60a100.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a2929e59ea68c4bb.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2438e28b11baae4.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" "d58099232736bea6b1b0f3d454a152ac4a940d0a82e0dbb1f29534873e4cbaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58099232736bea6b1b0f3d454a152ac4a940d0a82e0dbb1f29534873e4cbaf5", kill_on_drop: false }`
[INFO] [stdout] d58099232736bea6b1b0f3d454a152ac4a940d0a82e0dbb1f29534873e4cbaf5