[INFO] fetching crate mdbook-start 0.1.0...
[INFO] testing mdbook-start-0.1.0 against 1.81.0 for beta-1.82-1
[INFO] extracting crate mdbook-start 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mdbook-start 0.1.0 on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-start 0.1.0
[INFO] finished tweaking crates.io crate mdbook-start 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-start 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-start 0.1.0 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sauron-component-macro v0.50.6
[INFO] [stderr]   Downloaded mt-dom v0.20.0
[INFO] [stderr]   Downloaded sauron-core v0.50.6
[INFO] [stderr]   Downloaded jss v0.5.1
[INFO] [stderr]   Downloaded clap v4.4.17
[INFO] [stderr]   Downloaded sauron v0.50.6
[INFO] [stderr]   Downloaded svgbob v0.6.7
[INFO] [stderr]   Downloaded mdbook-svgbob2 v0.3.0
[INFO] [stderr]   Downloaded h2 v0.3.23
[INFO] [stderr]   Downloaded pom v3.3.0
[INFO] [stderr]   Downloaded clap_builder v4.4.17
[INFO] [stderr]   Downloaded parry2d v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c184e8011d86789b1f475e75b85e8966e786489f2585808b0b7056840b9136c
[INFO] running `Command { std: "docker" "start" "-a" "0c184e8011d86789b1f475e75b85e8966e786489f2585808b0b7056840b9136c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c184e8011d86789b1f475e75b85e8966e786489f2585808b0b7056840b9136c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c184e8011d86789b1f475e75b85e8966e786489f2585808b0b7056840b9136c", kill_on_drop: false }`
[INFO] [stdout] 0c184e8011d86789b1f475e75b85e8966e786489f2585808b0b7056840b9136c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ad444d46272573a1fe7f613021b0971bf272059daf9962491ad5b477624f33
[INFO] running `Command { std: "docker" "start" "-a" "d5ad444d46272573a1fe7f613021b0971bf272059daf9962491ad5b477624f33", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling smallvec v1.12.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling sha1 v0.10.6
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[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling winnow v0.5.34
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling wide v0.7.13
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling anstream v0.6.7
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling clap_builder v4.4.17
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling mt-dom v0.20.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling headers v0.3.9
[INFO] [stderr]    Compiling simba v0.7.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling bstr v1.9.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling globset v0.4.14
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling env_logger v0.10.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[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/1.81.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=9ec32112b6545cb2 -C extra-filename=-9ec32112b6545cb2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-38966eff36cc7de4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-89252c8c35c6e310.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9718b2370c14f9de.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" "d5ad444d46272573a1fe7f613021b0971bf272059daf9962491ad5b477624f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ad444d46272573a1fe7f613021b0971bf272059daf9962491ad5b477624f33", kill_on_drop: false }`
[INFO] [stdout] d5ad444d46272573a1fe7f613021b0971bf272059daf9962491ad5b477624f33