[INFO] cloning repository https://github.com/azerozero/grob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azerozero/grob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazerozero%2Fgrob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazerozero%2Fgrob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cf19eac0affeff8ef44409fa161112e75624e53
[INFO] testing azerozero/grob 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%2Fazerozero%2Fgrob" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/azerozero/grob
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/azerozero/grob
[INFO] tweaked toml for git repo https://github.com/azerozero/grob written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azerozero/grob 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/azerozero/grob 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing azerozero/grob 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%2Fazerozero%2Fgrob" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/azerozero/grob
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/azerozero/grob
[INFO] tweaked toml for git repo https://github.com/azerozero/grob written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azerozero/grob 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/azerozero/grob 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.6
[INFO] [stderr]   Downloaded zstd v0.13.3
[INFO] [stderr]   Downloaded tracing-test v0.2.6
[INFO] [stderr]   Downloaded zstd-safe v7.2.4
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.29.0
[INFO] [stderr]   Downloaded drain_filter_polyfill v0.1.3
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.6.0
[INFO] [stderr]   Downloaded tokio-test v0.4.5
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded terminal_size v0.4.4
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded synthez v0.3.1
[INFO] [stderr]   Downloaded jsonrpsee-types v0.25.1
[INFO] [stderr]   Downloaded synthez-codegen v0.3.1
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[INFO] [stderr]   Downloaded typed-builder v0.15.2
[INFO] [stderr]   Downloaded synthez-core v0.3.1
[INFO] [stderr]   Downloaded clap_complete v4.6.1
[INFO] [stderr]   Downloaded console v0.16.3
[INFO] [stderr]   Downloaded arc-swap v1.9.1
[INFO] [stderr]   Downloaded rcgen v0.13.2
[INFO] [stderr]   Downloaded insta v1.47.2
[INFO] [stderr]   Downloaded opentelemetry v0.28.0
[INFO] [stderr]   Downloaded jsonrpsee-core v0.25.1
[INFO] [stderr]   Downloaded cucumber v0.21.1
[INFO] [stderr]   Downloaded opentelemetry-proto v0.28.0
[INFO] [stderr]   Downloaded moka v0.12.15
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.28.0
[INFO] [stderr]   Downloaded jsonrpsee-server v0.25.1
[INFO] [stderr]   Downloaded metrics v0.24.3
[INFO] [stderr]   Downloaded metrics-util v0.19.1
[INFO] [stderr]   Downloaded async-http-codec v0.8.0
[INFO] [stderr]   Downloaded cucumber-expressions v0.3.0
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded gherkin v0.14.0
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.16.2
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.28.0
[INFO] [stderr]   Downloaded axum-server v0.7.3
[INFO] [stderr]   Downloaded rustls-acme v0.12.1
[INFO] [stderr]   Downloaded cucumber-codegen v0.21.1
[INFO] [stderr]   Downloaded mockito v1.7.2
[INFO] [stderr]   Downloaded async-web-client v0.6.2
[INFO] [stderr]   Downloaded fs-err v3.3.0
[INFO] [stderr]   Downloaded smart-default v0.7.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.7.0
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded typed-builder-macro v0.15.2
[INFO] [stderr]   Downloaded sketches-ddsketch v0.3.1
[INFO] [stderr]   Downloaded lazy-regex v3.6.0
[INFO] [stderr]   Downloaded jsonrpsee v0.25.1
[INFO] [stderr]   Downloaded opentelemetry-http v0.28.0
[INFO] [stderr]   Downloaded tikv-jemallocator v0.6.1
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.6.1+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7
[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] 5aba81215c0d7dba0f81d0bff2daf2a032fb7a15f120e8a5df692e7e35fd333c
[INFO] running `Command { std: "docker" "start" "-a" "5aba81215c0d7dba0f81d0bff2daf2a032fb7a15f120e8a5df692e7e35fd333c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aba81215c0d7dba0f81d0bff2daf2a032fb7a15f120e8a5df692e7e35fd333c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aba81215c0d7dba0f81d0bff2daf2a032fb7a15f120e8a5df692e7e35fd333c", kill_on_drop: false }`
[INFO] [stdout] 5aba81215c0d7dba0f81d0bff2daf2a032fb7a15f120e8a5df692e7e35fd333c
[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] 9446de277ba187826f5eaf75bba048b7188aff65a77a488106085b28645a25c9
[INFO] running `Command { std: "docker" "start" "-a" "9446de277ba187826f5eaf75bba048b7188aff65a77a488106085b28645a25c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling type-map v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling self_cell v1.2.2
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling self_cell v0.10.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling unicode-truncate v2.0.1
[INFO] [stderr]    Compiling rust-embed-utils v8.11.0
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling line-clipping v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[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="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=f50fd23ee619c33a -C extra-filename=-db35dfc171bce774 --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" "9446de277ba187826f5eaf75bba048b7188aff65a77a488106085b28645a25c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9446de277ba187826f5eaf75bba048b7188aff65a77a488106085b28645a25c9", kill_on_drop: false }`
[INFO] [stdout] 9446de277ba187826f5eaf75bba048b7188aff65a77a488106085b28645a25c9