[INFO] fetching crate node-bench 0.8.0...
[INFO] documenting node-bench-0.8.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate node-bench 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate node-bench 0.8.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate node-bench 0.8.0
[INFO] finished tweaking crates.io crate node-bench 0.8.0
[INFO] tweaked toml for crates.io crate node-bench 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate node-bench 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270911e0fde7497faf77b2f811300843e5914a5e358d04ad68475b77ab8d9cfe
[INFO] running `Command { std: "docker" "start" "-a" "270911e0fde7497faf77b2f811300843e5914a5e358d04ad68475b77ab8d9cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270911e0fde7497faf77b2f811300843e5914a5e358d04ad68475b77ab8d9cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270911e0fde7497faf77b2f811300843e5914a5e358d04ad68475b77ab8d9cfe", kill_on_drop: false }`
[INFO] [stdout] 270911e0fde7497faf77b2f811300843e5914a5e358d04ad68475b77ab8d9cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11dd98d276202e7b00cb7477c449541b678899cd792000c8ce15e48ac5123c7c
[INFO] running `Command { std: "docker" "start" "-a" "11dd98d276202e7b00cb7477c449541b678899cd792000c8ce15e48ac5123c7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling tetsy-util-mem v0.9.0
[INFO] [stderr]     Checking tetcore-std v2.0.2
[INFO] [stderr]     Checking tetsy-wasm v0.41.0
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking environ v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
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[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking object v0.19.0
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[INFO] [stderr]    Compiling tc-consensus-slots v0.8.0
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[INFO] [stderr]    Compiling rustc-demangle v0.1.18
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[INFO] [stderr]    Compiling ansi_term v0.12.1
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[INFO] [stderr]    Compiling names v0.11.0
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[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.3
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[INFO] [stderr]     Checking hashbrown v0.9.1
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[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking tetsy-trie-root v0.16.1
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking http-body v0.3.1
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[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling tetsy-wasm v0.31.1
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[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking cipher v0.2.5
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[INFO] [stderr]     Checking tiny-keccak v2.0.2
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[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking matchers v0.0.1
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[INFO] [stderr]     Checking poly1305 v0.6.2
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[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]    Compiling jobserver v0.1.21
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]     Checking parking_lot_core v0.8.3
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[INFO] [stderr]     Checking time v0.1.44
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[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking fs-swap v0.2.6
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[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fdlimit v0.2.1
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling cexpr v0.4.0
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[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking wat v1.0.37
[INFO] [stderr]     Checking panic-handler v2.0.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling wasmtime-runtime v0.19.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking tetsy-fixed-hash v0.7.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking twasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.68/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=1d04aad221fc9e7e -C extra-filename=-1d04aad221fc9e7e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2e06dda840544704.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fc2d62492cd64160.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-12009cf1a2496f6d.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "11dd98d276202e7b00cb7477c449541b678899cd792000c8ce15e48ac5123c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dd98d276202e7b00cb7477c449541b678899cd792000c8ce15e48ac5123c7c", kill_on_drop: false }`
[INFO] [stdout] 11dd98d276202e7b00cb7477c449541b678899cd792000c8ce15e48ac5123c7c
