[INFO] cloning repository https://github.com/kunal171/validator_poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunal171/validator_poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal171%2Fvalidator_poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal171%2Fvalidator_poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3e092dae8a9d9dcc655fd5c22194a1e4fe77d62
[INFO] documenting kunal171/validator_poc against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal171%2Fvalidator_poc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kunal171/validator_poc
[INFO] finished tweaking git repo https://github.com/kunal171/validator_poc
[INFO] tweaked toml for git repo https://github.com/kunal171/validator_poc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kunal171/validator_poc on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kunal171/validator_poc 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881631df161260b7490afde36d71d731079e86b0eec04c90b7fd00c205105a65
[INFO] running `Command { std: "docker" "start" "-a" "881631df161260b7490afde36d71d731079e86b0eec04c90b7fd00c205105a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881631df161260b7490afde36d71d731079e86b0eec04c90b7fd00c205105a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881631df161260b7490afde36d71d731079e86b0eec04c90b7fd00c205105a65", kill_on_drop: false }`
[INFO] [stdout] 881631df161260b7490afde36d71d731079e86b0eec04c90b7fd00c205105a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 782ce59586a7a02e4532d5e351810a4a9bc5fe3907759e94159f962775a6adff
[INFO] running `Command { std: "docker" "start" "-a" "782ce59586a7a02e4532d5e351810a4a9bc5fe3907759e94159f962775a6adff", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling cc v1.0.101
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.118
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tinyvec v1.6.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling target-lexicon v0.12.15
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking sp-std v8.0.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking wasmtime-jit-debug v8.0.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling wasmtime v8.0.1
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking getrandom_or_panic v0.0.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking hash-db v0.16.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling wasmtime-runtime v8.0.1
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking memfd v0.6.4
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]     Checking sp-core-hashing v9.0.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]     Checking array-bytes v4.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]     Checking object v0.36.0
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling rustls-native-certs v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.68/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=85319962e7b156ab -C extra-filename=-7c2a082f2c5a77f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06f382f79c1fcafb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e6d31f288011a81e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=cb18ae8993d3fa7d -C extra-filename=-37b319c8f6d98b0d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06f382f79c1fcafb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e6d31f288011a81e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "782ce59586a7a02e4532d5e351810a4a9bc5fe3907759e94159f962775a6adff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782ce59586a7a02e4532d5e351810a4a9bc5fe3907759e94159f962775a6adff", kill_on_drop: false }`
[INFO] [stdout] 782ce59586a7a02e4532d5e351810a4a9bc5fe3907759e94159f962775a6adff