[INFO] fetching crate eridani-hpc-ipc 0.1.13...
[INFO] documenting eridani-hpc-ipc-0.1.13 against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] extracting crate eridani-hpc-ipc 0.1.13 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate eridani-hpc-ipc 0.1.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate eridani-hpc-ipc 0.1.13
[INFO] tweaked toml for crates.io crate eridani-hpc-ipc 0.1.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eridani-hpc-ipc 0.1.13 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 eridani-hpc-ipc 0.1.13 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-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] d75db2bf73a186eaf7f5cda2852900d1026b8d1516d8139b0886078c3685df2a
[INFO] running `Command { std: "docker" "start" "-a" "d75db2bf73a186eaf7f5cda2852900d1026b8d1516d8139b0886078c3685df2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75db2bf73a186eaf7f5cda2852900d1026b8d1516d8139b0886078c3685df2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75db2bf73a186eaf7f5cda2852900d1026b8d1516d8139b0886078c3685df2a", kill_on_drop: false }`
[INFO] [stdout] d75db2bf73a186eaf7f5cda2852900d1026b8d1516d8139b0886078c3685df2a
[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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9e8ae75fea778f1fe0e621ae6d796e0bd807883d57f1f27d9c3d23c2ceecbc
[INFO] running `Command { std: "docker" "start" "-a" "1b9e8ae75fea778f1fe0e621ae6d796e0bd807883d57f1f27d9c3d23c2ceecbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling zenoh-macros v1.6.2
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]     Checking zenoh-result v1.6.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling stabby-macros v36.2.2
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling stabby-abi v36.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]     Checking sha2-const-stable v0.1.0
[INFO] [stderr]    Compiling token-cell v2.1.1
[INFO] [stderr]    Compiling stabby v36.2.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking pnet_base v0.35.0
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling zenoh-shm v1.6.2
[INFO] [stderr]     Checking buddy_system_allocator v0.10.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking pnet_sys v0.35.0
[INFO] [stderr]     Checking shellexpand v3.1.1
[INFO] [stderr]     Checking advisory-lock v0.3.0
[INFO] [stderr]     Checking thread-priority v1.2.0
[INFO] [stderr]     Checking talc v4.4.3
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.14.5
[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"' --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=968235a252935ba3 -C extra-filename=-27d76a34229c542e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2f6ea505ff82ebb0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-39de46f98adae129.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-78d3da9d81f84e3e.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" "1b9e8ae75fea778f1fe0e621ae6d796e0bd807883d57f1f27d9c3d23c2ceecbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9e8ae75fea778f1fe0e621ae6d796e0bd807883d57f1f27d9c3d23c2ceecbc", kill_on_drop: false }`
[INFO] [stdout] 1b9e8ae75fea778f1fe0e621ae6d796e0bd807883d57f1f27d9c3d23c2ceecbc