[INFO] fetching crate transmutation 0.1.2...
[INFO] testing transmutation-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate transmutation 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate transmutation 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate transmutation 0.1.2
[INFO] tweaked toml for crates.io crate transmutation 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate transmutation 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate transmutation 0.1.2 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b1b987ba08c000ed07741d46e416b0f041a79da5eb7ff52baf2b119669d3628
[INFO] running `Command { std: "docker" "start" "-a" "9b1b987ba08c000ed07741d46e416b0f041a79da5eb7ff52baf2b119669d3628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1b987ba08c000ed07741d46e416b0f041a79da5eb7ff52baf2b119669d3628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1b987ba08c000ed07741d46e416b0f041a79da5eb7ff52baf2b119669d3628", kill_on_drop: false }`
[INFO] [stdout] 9b1b987ba08c000ed07741d46e416b0f041a79da5eb7ff52baf2b119669d3628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ba070db623c21f6bf5588ec427959a52e530d89596e0a4fa6438c4c7b2870b
[INFO] running `Command { std: "docker" "start" "-a" "39ba070db623c21f6bf5588ec427959a52e530d89596e0a4fa6438c4c7b2870b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling markup5ever v0.14.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling libz-rs-sys v0.5.2
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling zune-jpeg v0.4.21
[INFO] [stderr]    Compiling zopfli v0.8.2
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling pxfm v0.1.25
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling avif-serialize v0.8.6
[INFO] [stderr]    Compiling selectors v0.26.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling zip v2.4.2
[INFO] [stderr]    Compiling rangemap v1.6.0
[INFO] [stderr]    Compiling lebe v0.5.3
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling moxcms v0.7.7
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.49
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling winres v0.1.12
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling servo_arc v0.4.1
[INFO] [stderr]    Compiling png v0.18.0
[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-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="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=016a0931884ef6ba -C extra-filename=-cec1a981d4d7fcec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3961f8809e272ccb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-557d48b6199c64f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.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" "39ba070db623c21f6bf5588ec427959a52e530d89596e0a4fa6438c4c7b2870b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ba070db623c21f6bf5588ec427959a52e530d89596e0a4fa6438c4c7b2870b", kill_on_drop: false }`
[INFO] [stdout] 39ba070db623c21f6bf5588ec427959a52e530d89596e0a4fa6438c4c7b2870b