[INFO] cloning repository https://github.com/metamethods/antenna
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/metamethods/antenna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetamethods%2Fantenna", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetamethods%2Fantenna'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34b48f240abc4ceacfe38f204d5f60713faf3a45
[INFO] testing metamethods/antenna against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetamethods%2Fantenna" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/metamethods/antenna
[INFO] finished tweaking git repo https://github.com/metamethods/antenna
[INFO] tweaked toml for git repo https://github.com/metamethods/antenna written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/metamethods/antenna 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/metamethods/antenna 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9bda92c2a09628dc6f8473abb8c333260a09565cd315b484ff901abf7907ccba
[INFO] running `Command { std: "docker" "start" "-a" "9bda92c2a09628dc6f8473abb8c333260a09565cd315b484ff901abf7907ccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bda92c2a09628dc6f8473abb8c333260a09565cd315b484ff901abf7907ccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bda92c2a09628dc6f8473abb8c333260a09565cd315b484ff901abf7907ccba", kill_on_drop: false }`
[INFO] [stdout] 9bda92c2a09628dc6f8473abb8c333260a09565cd315b484ff901abf7907ccba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f910ad2641002803a510abdff5be863854272f1bda740180ca7b10cef171b74d
[INFO] running `Command { std: "docker" "start" "-a" "f910ad2641002803a510abdff5be863854272f1bda740180ca7b10cef171b74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling bigdecimal v0.4.8
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling unicode-properties v0.1.3
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling actix-service v2.0.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling bytestring v1.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling impl-more v0.1.9
[INFO] [stderr]    Compiling regex v1.11.1
[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-2.0.106/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="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=1648abc9d8424a6e -C extra-filename=-d5bb1ac697ecd85d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1958698a91c173b7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ae9bca3a7ac16c3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6572fa6bb87326c0.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" "f910ad2641002803a510abdff5be863854272f1bda740180ca7b10cef171b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f910ad2641002803a510abdff5be863854272f1bda740180ca7b10cef171b74d", kill_on_drop: false }`
[INFO] [stdout] f910ad2641002803a510abdff5be863854272f1bda740180ca7b10cef171b74d
