[INFO] cloning repository https://github.com/AB7zz/learn_substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AB7zz/learn_substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAB7zz%2Flearn_substrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAB7zz%2Flearn_substrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eedc714728c64a7671d74c3939a6ea2c83ad9b54
[INFO] documenting AB7zz/learn_substrate against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAB7zz%2Flearn_substrate" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/AB7zz/learn_substrate
[INFO] finished tweaking git repo https://github.com/AB7zz/learn_substrate
[INFO] tweaked toml for git repo https://github.com/AB7zz/learn_substrate written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AB7zz/learn_substrate on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AB7zz/learn_substrate 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edef8f09150c8766253aaf9a4f11194c476f93d6d81d3875399aeb3814cc2b24
[INFO] running `Command { std: "docker" "start" "-a" "edef8f09150c8766253aaf9a4f11194c476f93d6d81d3875399aeb3814cc2b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edef8f09150c8766253aaf9a4f11194c476f93d6d81d3875399aeb3814cc2b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edef8f09150c8766253aaf9a4f11194c476f93d6d81d3875399aeb3814cc2b24", kill_on_drop: false }`
[INFO] [stdout] edef8f09150c8766253aaf9a4f11194c476f93d6d81d3875399aeb3814cc2b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b190e6fbf7527213535443f0c76e48f77a8f8d2c9eb479915d360f34fdf25166
[INFO] running `Command { std: "docker" "start" "-a" "b190e6fbf7527213535443f0c76e48f77a8f8d2c9eb479915d360f34fdf25166", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling winnow v0.5.39
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling indexmap v2.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling cranelift-isle v0.95.1
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.95.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.95.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking sp-std v14.0.0 (https://github.com/paritytech/polkadot-sdk.git?tag=polkadot-v1.9.0#3c3d6fce)
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]     Checking regalloc2 v0.6.1
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking errno v0.3.8
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling wasmtime-runtime v8.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling expander v2.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[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-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.57/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=d63cc2f63290dacd -C extra-filename=-f81edb8bdac11fe1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7b3b0a110029abf8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9dcb089fbc983d15.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] running `Command { std: "docker" "inspect" "b190e6fbf7527213535443f0c76e48f77a8f8d2c9eb479915d360f34fdf25166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b190e6fbf7527213535443f0c76e48f77a8f8d2c9eb479915d360f34fdf25166", kill_on_drop: false }`
[INFO] [stdout] b190e6fbf7527213535443f0c76e48f77a8f8d2c9eb479915d360f34fdf25166
