[INFO] cloning repository https://github.com/jwg054000/RustPipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwg054000/RustPipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwg054000%2FRustPipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwg054000%2FRustPipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41a9a9b2821f4b88561b8553bf232f27f9bd3964
[INFO] documenting jwg054000/RustPipe against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwg054000%2FRustPipe" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jwg054000/RustPipe
[INFO] finished tweaking git repo https://github.com/jwg054000/RustPipe
[INFO] tweaked toml for git repo https://github.com/jwg054000/RustPipe written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwg054000/RustPipe 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/jwg054000/RustPipe 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1f0457542001ee07f13309a819f9dd0f73cdbf951b0f2d8d83a88b18c84e9f55
[INFO] running `Command { std: "docker" "start" "-a" "1f0457542001ee07f13309a819f9dd0f73cdbf951b0f2d8d83a88b18c84e9f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0457542001ee07f13309a819f9dd0f73cdbf951b0f2d8d83a88b18c84e9f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0457542001ee07f13309a819f9dd0f73cdbf951b0f2d8d83a88b18c84e9f55", kill_on_drop: false }`
[INFO] [stdout] 1f0457542001ee07f13309a819f9dd0f73cdbf951b0f2d8d83a88b18c84e9f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ec8f13c623fa3af24c1c237b67c93808277a49cf5d5a1eefc9bcfc2e4828e9
[INFO] running `Command { std: "docker" "start" "-a" "76ec8f13c623fa3af24c1c237b67c93808277a49cf5d5a1eefc9bcfc2e4828e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking planus v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling polars-utils v0.43.1
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling polars-schema v0.43.1
[INFO] [stderr]     Checking sysinfo v0.31.4
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]    Compiling polars-arrow v0.43.1
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]    Compiling polars-compute v0.43.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking arrow-schema v53.4.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling polars-core v0.43.1
[INFO] [stderr]     Checking brotli-decompressor v4.0.3
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking comfy-table v7.2.2
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking lexical-util v1.0.7
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling polars-ops v0.43.1
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking brotli v6.0.0
[INFO] [stderr]     Checking streaming-decompression v0.1.2
[INFO] [stderr]     Checking lexical-write-integer v1.0.6
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling polars-plan v0.43.1
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]     Checking lexical-write-float v1.0.6
[INFO] [stderr]     Checking now v0.1.3
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]    Compiling polars-pipe v0.43.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]     Checking indexmap v2.13.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking lexical-core v1.0.6
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling polars-lazy v0.43.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]    Compiling polars v0.43.1
[INFO] [stderr]     Checking twox-hash v2.1.2
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking lz4_flex v0.11.6
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]     Checking brotli v7.0.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking ndarray v0.16.1
[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=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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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=e4c06ded4294e40e -C extra-filename=-3594ea34e87a30cc --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 --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "76ec8f13c623fa3af24c1c237b67c93808277a49cf5d5a1eefc9bcfc2e4828e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ec8f13c623fa3af24c1c237b67c93808277a49cf5d5a1eefc9bcfc2e4828e9", kill_on_drop: false }`
[INFO] [stdout] 76ec8f13c623fa3af24c1c237b67c93808277a49cf5d5a1eefc9bcfc2e4828e9