[INFO] crate microclaw-engine 0.9.0 is already in cache
[INFO] documenting microclaw-engine-0.9.0 against 1.100.0-beta.1 for beta-rustdoc-1.100-2
[INFO] extracting crate microclaw-engine 0.9.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate microclaw-engine 0.9.0
[INFO] finished tweaking crates.io crate microclaw-engine 0.9.0
[INFO] tweaked toml for crates.io crate microclaw-engine 0.9.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microclaw-engine 0.9.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate microclaw-engine 0.9.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5
[INFO] running `Command { std: "docker" "start" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking zlib-rs v0.6.4
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]     Checking arrayvec v0.7.8
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking siphasher v1.0.2
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking http v1.5.0
[INFO] [stderr]     Checking polycool v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling unicode-joining-type v1.0.0
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking fearless_simd v0.4.1
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking kurbo v0.13.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking zune-jpeg v0.5.15
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking hayro-ccitt v0.3.0
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking gif v0.14.2
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking pxfm v0.1.28
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking font-types v0.11.3
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking idna_mapping v1.1.0
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling zeroize_derive v1.5.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]     Checking core_maths v0.1.1
[INFO] [stderr]    Compiling icu_locale_data v2.2.0
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]     Checking unicode-script v0.5.8
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking idna_adapter v1.1.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]     Checking zeroize v1.9.0
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking tiny-skia-path v0.12.0
[INFO] [stderr]    Compiling unic-langid-impl v0.9.6
[INFO] [stderr]     Checking generic-array v0.14.7
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --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=88674508e0fb8d3e -C extra-filename=-a5f1e7d87332e508 --out-dir /opt/rustwide/target/debug/build/syn/a5f1e7d87332e508/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/154be7f81f34ed1b/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/154be7f81f34ed1b/out/libproc_macro2-154be7f81f34ed1b.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/a87dd5cb7e80719c/out/libquote-a87dd5cb7e80719c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out/libunicode_ident-86faa6b6bcc5b157.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5", kill_on_drop: false }`
[INFO] [stdout] 25ddc41deaaadb9367fa00b1b18c2e260296cbe222a7d60dc59c8d28b84fadc5
