[INFO] fetching crate nikau 0.3.2...
[INFO] testing nikau-0.3.2 against 1.81.0 for beta-1.82-1
[INFO] extracting crate nikau 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nikau 0.3.2 on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nikau 0.3.2
[INFO] finished tweaking crates.io crate nikau 0.3.2
[INFO] tweaked toml for crates.io crate nikau 0.3.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate nikau 0.3.2 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded partition-identity v0.3.0
[INFO] [stderr]   Downloaded nonblock v0.2.0
[INFO] [stderr]   Downloaded rustls-platform-verifier-android v0.1.0
[INFO] [stderr]   Downloaded zip v2.1.5
[INFO] [stderr]   Downloaded rustls-platform-verifier v0.3.2
[INFO] [stderr]   Downloaded evdev v0.12.2
[INFO] [stderr]   Downloaded postcard v1.0.8
[INFO] [stderr]   Downloaded usb-gadget v0.7.2
[INFO] [stderr]   Downloaded x11rb-async v0.13.1
[INFO] [stderr]   Downloaded zstd-safe v7.2.0
[INFO] [stderr]   Downloaded proc-mounts v0.3.0
[INFO] [stderr]   Downloaded rustls v0.23.11
[INFO] [stderr]   Downloaded aws-lc-sys v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b34f060026f899ee16293a31796c0c6bef64e549599e4e228c4623b859673b5
[INFO] running `Command { std: "docker" "start" "-a" "5b34f060026f899ee16293a31796c0c6bef64e549599e4e228c4623b859673b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b34f060026f899ee16293a31796c0c6bef64e549599e4e228c4623b859673b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b34f060026f899ee16293a31796c0c6bef64e549599e4e228c4623b859673b5", kill_on_drop: false }`
[INFO] [stdout] 5b34f060026f899ee16293a31796c0c6bef64e549599e4e228c4623b859673b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f271abfd1f2b5bbad5f50d287e51b2e7b2b45450829c87d3e9e93091cea1b9f
[INFO] running `Command { std: "docker" "start" "-a" "3f271abfd1f2b5bbad5f50d287e51b2e7b2b45450829c87d3e9e93091cea1b9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling aws-lc-rs v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling mirai-annotations v1.12.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling rustls v0.23.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling zstd-safe v7.2.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rustls-native-certs v0.7.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling piper v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zip v2.1.5
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling aws-lc-sys v0.20.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zstd-sys v2.0.12+zstd.1.5.6
[INFO] [stderr]    Compiling regex v1.10.5
[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/1.81.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.72/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)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=8b278f3469c8cb84 -C extra-filename=-8b278f3469c8cb84 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4bdbe38b424c25d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-16eface36626e456.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9718b2370c14f9de.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" "3f271abfd1f2b5bbad5f50d287e51b2e7b2b45450829c87d3e9e93091cea1b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f271abfd1f2b5bbad5f50d287e51b2e7b2b45450829c87d3e9e93091cea1b9f", kill_on_drop: false }`
[INFO] [stdout] 3f271abfd1f2b5bbad5f50d287e51b2e7b2b45450829c87d3e9e93091cea1b9f