[INFO] fetching crate xtal 0.15.0...
[INFO] testing xtal-0.15.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xtal 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xtal 0.15.0
[INFO] finished tweaking crates.io crate xtal 0.15.0
[INFO] tweaked toml for crates.io crate xtal 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xtal 0.15.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xtal 0.15.0 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" "+beta-2025-09-21" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a956c8737477509c7bb1456d993eb75f307a7a6bd8beb77f349b069d83d2340
[INFO] running `Command { std: "docker" "start" "-a" "6a956c8737477509c7bb1456d993eb75f307a7a6bd8beb77f349b069d83d2340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a956c8737477509c7bb1456d993eb75f307a7a6bd8beb77f349b069d83d2340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a956c8737477509c7bb1456d993eb75f307a7a6bd8beb77f349b069d83d2340", kill_on_drop: false }`
[INFO] [stdout] 6a956c8737477509c7bb1456d993eb75f307a7a6bd8beb77f349b069d83d2340
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72cc93ff98d89eea6e5956af7b39fb03e75796ded1bcc84088430a6b3a1427c2
[INFO] running `Command { std: "docker" "start" "-a" "72cc93ff98d89eea6e5956af7b39fb03e75796ded1bcc84088430a6b3a1427c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.7.1
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling xml-rs v0.8.25
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling gio v0.18.4
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling euclid v0.22.11
[INFO] [stderr]    Compiling wgpu-types v0.17.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling glow v0.12.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling lyon_geom v0.17.7
[INFO] [stderr]    Compiling owned_ttf_parser v0.25.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling ab_glyph v0.2.29
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zvariant_utils v2.1.0
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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"' --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=201f6b808df16779 -C extra-filename=-99f9c5c2812f30d1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a1eff61171d1044c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b24e15b07109ae9a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c5c943f1f6bef5a2.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" "72cc93ff98d89eea6e5956af7b39fb03e75796ded1bcc84088430a6b3a1427c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cc93ff98d89eea6e5956af7b39fb03e75796ded1bcc84088430a6b3a1427c2", kill_on_drop: false }`
[INFO] [stdout] 72cc93ff98d89eea6e5956af7b39fb03e75796ded1bcc84088430a6b3a1427c2
