[INFO] cloning repository https://github.com/tpanum/vanguard-creator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tpanum/vanguard-creator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftpanum%2Fvanguard-creator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftpanum%2Fvanguard-creator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a3d58f9799a92e35c4d89cfcae895407f6ccd75
[INFO] testing tpanum/vanguard-creator against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftpanum%2Fvanguard-creator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tpanum/vanguard-creator
[INFO] finished tweaking git repo https://github.com/tpanum/vanguard-creator
[INFO] tweaked toml for git repo https://github.com/tpanum/vanguard-creator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tpanum/vanguard-creator on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tpanum/vanguard-creator 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b414938a3a08f1a061fdce3ef3be7a202036a9e9f0460d81744dd3332e57394d
[INFO] running `Command { std: "docker" "start" "-a" "b414938a3a08f1a061fdce3ef3be7a202036a9e9f0460d81744dd3332e57394d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b414938a3a08f1a061fdce3ef3be7a202036a9e9f0460d81744dd3332e57394d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b414938a3a08f1a061fdce3ef3be7a202036a9e9f0460d81744dd3332e57394d", kill_on_drop: false }`
[INFO] [stdout] b414938a3a08f1a061fdce3ef3be7a202036a9e9f0460d81744dd3332e57394d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18479f1099f823b13b149b88c5a77cd49c4ac2f33c445443afb29aa8d1feaf8e
[INFO] running `Command { std: "docker" "start" "-a" "18479f1099f823b13b149b88c5a77cd49c4ac2f33c445443afb29aa8d1feaf8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling ttf-parser v0.24.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]    Compiling kurbo v0.11.3
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling bitstream-io v4.9.0
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.53
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling unicode-ccc v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling unicode-script v0.5.8
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.3.0
[INFO] [stderr]    Compiling svgtypes v0.15.3
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling zune-jpeg v0.5.15
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling simplecss v0.2.2
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling avif-serialize v0.8.8
[INFO] [stderr]    Compiling zip v2.4.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling pxfm v0.1.28
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling imagesize v0.13.0
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling data-url v0.3.2
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling lzma-rs v0.3.0
[INFO] [stderr]    Compiling png v0.18.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rustybuzz v0.18.0
[INFO] [stderr]    Compiling fontdb v0.22.0
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tiny-skia v0.11.4
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling image-webp v0.1.3
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling owned_ttf_parser v0.25.1
[INFO] [stderr]    Compiling deflate64 v0.1.12
[INFO] [stderr]    Compiling ab_glyph v0.2.32
[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-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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"' --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=8174bea8a3ecad41 -C extra-filename=-96cd612ea75deec6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.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" "18479f1099f823b13b149b88c5a77cd49c4ac2f33c445443afb29aa8d1feaf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18479f1099f823b13b149b88c5a77cd49c4ac2f33c445443afb29aa8d1feaf8e", kill_on_drop: false }`
[INFO] [stdout] 18479f1099f823b13b149b88c5a77cd49c4ac2f33c445443afb29aa8d1feaf8e