[INFO] fetching crate symgraph 2026.4.13...
[INFO] documenting symgraph-2026.4.13 against beta-2026-04-21 for beta-1.96-rustdoc-2
[INFO] extracting crate symgraph 2026.4.13 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate symgraph 2026.4.13
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate symgraph 2026.4.13
[INFO] tweaked toml for crates.io crate symgraph 2026.4.13 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symgraph 2026.4.13 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 crates.io crate symgraph 2026.4.13 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] e17467ed1f426e43c2d60386c34bb4b0455472a1eb80d0a699783581a9cfe814
[INFO] running `Command { std: "docker" "start" "-a" "e17467ed1f426e43c2d60386c34bb4b0455472a1eb80d0a699783581a9cfe814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17467ed1f426e43c2d60386c34bb4b0455472a1eb80d0a699783581a9cfe814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17467ed1f426e43c2d60386c34bb4b0455472a1eb80d0a699783581a9cfe814", kill_on_drop: false }`
[INFO] [stdout] e17467ed1f426e43c2d60386c34bb4b0455472a1eb80d0a699783581a9cfe814
[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] 691108585f36ab1198083b408251d359090a86348162725b580532a00a45134c
[INFO] running `Command { std: "docker" "start" "-a" "691108585f36ab1198083b408251d359090a86348162725b580532a00a45134c", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling rmcp v1.4.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
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[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.36.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tree-sitter-javascript v0.25.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.24.2
[INFO] [stderr]    Compiling tree-sitter-groovy v0.1.2
[INFO] [stderr]    Compiling tree-sitter-c v0.24.1
[INFO] [stderr]    Compiling tree-sitter-typescript v0.23.2
[INFO] [stderr]    Compiling tree-sitter-cpp v0.23.4
[INFO] [stderr]    Compiling tree-sitter-scala v0.25.0
[INFO] [stderr]    Compiling tree-sitter-go v0.25.0
[INFO] [stderr]    Compiling tree-sitter-kotlin-ng v1.1.0
[INFO] [stderr]    Compiling tree-sitter-python v0.25.0
[INFO] [stderr]    Compiling tree-sitter-java v0.23.5
[INFO] [stderr]    Compiling tree-sitter-c-sharp v0.23.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hex v0.4.3
[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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=565bacb511bf186a -C extra-filename=-ec1ce637e2446a17 --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" "691108585f36ab1198083b408251d359090a86348162725b580532a00a45134c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691108585f36ab1198083b408251d359090a86348162725b580532a00a45134c", kill_on_drop: false }`
[INFO] [stdout] 691108585f36ab1198083b408251d359090a86348162725b580532a00a45134c
