[INFO] fetching crate tsumugu 0.20260323.1...
[INFO] testing tsumugu-0.20260323.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tsumugu 0.20260323.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tsumugu 0.20260323.1
[INFO] finished tweaking crates.io crate tsumugu 0.20260323.1
[INFO] tweaked toml for crates.io crate tsumugu 0.20260323.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tsumugu 0.20260323.1 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 crates.io crate tsumugu 0.20260323.1 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" "+beta-2026-04-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 109cbede14bd49e324a8e1bce471d3725b5db2b98f7c7c9d103f1ce6d5c496c5
[INFO] running `Command { std: "docker" "start" "-a" "109cbede14bd49e324a8e1bce471d3725b5db2b98f7c7c9d103f1ce6d5c496c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "109cbede14bd49e324a8e1bce471d3725b5db2b98f7c7c9d103f1ce6d5c496c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109cbede14bd49e324a8e1bce471d3725b5db2b98f7c7c9d103f1ce6d5c496c5", kill_on_drop: false }`
[INFO] [stdout] 109cbede14bd49e324a8e1bce471d3725b5db2b98f7c7c9d103f1ce6d5c496c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] adbfcccd365fe9b27c3a2719266b24211e37a2be4025f625f2b9d92254508f81
[INFO] running `Command { std: "docker" "start" "-a" "adbfcccd365fe9b27c3a2719266b24211e37a2be4025f625f2b9d92254508f81", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling tz-rs v0.7.3
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling tzdb_data v0.2.3
[INFO] [stderr]    Compiling is_debug v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling servo_arc v0.4.3
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling clap_builder v4.5.57
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling ego-tree v0.10.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling humansize v2.1.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling kyuri v0.2.6
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling selectors v0.31.0
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling tzdb v0.7.3
[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/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-2.0.114/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=31d55f826b1343ca -C extra-filename=-6c8d762fc073f2c3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-180412bed9fc519c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e524a1bb7c3f3668.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-78d3da9d81f84e3e.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" "adbfcccd365fe9b27c3a2719266b24211e37a2be4025f625f2b9d92254508f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbfcccd365fe9b27c3a2719266b24211e37a2be4025f625f2b9d92254508f81", kill_on_drop: false }`
[INFO] [stdout] adbfcccd365fe9b27c3a2719266b24211e37a2be4025f625f2b9d92254508f81
