[INFO] fetching crate pax-engine 0.38.3...
[INFO] documenting pax-engine-0.38.3 against master#8afe9ff1caa97654c31fb8c259dac9fdf67d6302 for pr-151918
[INFO] extracting crate pax-engine 0.38.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pax-engine 0.38.3
[INFO] finished tweaking crates.io crate pax-engine 0.38.3
[INFO] tweaked toml for crates.io crate pax-engine 0.38.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pax-engine 0.38.3 on toolchain 8afe9ff1caa97654c31fb8c259dac9fdf67d6302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 320 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pax-lang v0.38.3
[INFO] [stderr]   Downloaded pax-message v0.38.3
[INFO] [stderr]   Downloaded pax-designtime v0.38.3
[INFO] [stderr]   Downloaded pax-runtime-api v0.38.3
[INFO] [stderr]   Downloaded ewebsock v0.4.1
[INFO] [stderr]   Downloaded pax-runtime v0.38.3
[INFO] [stderr]   Downloaded reqwasm v0.2.1
[INFO] [stderr]   Downloaded flexbuffers v2.0.0
[INFO] [stderr]   Downloaded pax-chassis-ios v0.38.3
[INFO] [stderr]   Downloaded pax-chassis-common v0.38.3
[INFO] [stderr]   Downloaded pax-chassis-macos v0.38.3
[INFO] [stderr]   Downloaded mut_static v5.0.0
[INFO] [stderr]   Downloaded sailfish-compiler v0.6.1
[INFO] [stderr]   Downloaded jiff-static v0.2.19
[INFO] [stderr]   Downloaded itoap v1.0.1
[INFO] [stderr]   Downloaded pax-chassis-web v0.38.3
[INFO] [stderr]   Downloaded sailfish-macros v0.6.1
[INFO] [stderr]   Downloaded sailfish v0.6.1
[INFO] [stderr]   Downloaded pax-manifest v0.38.3
[INFO] [stderr]   Downloaded dwrote v0.11.5
[INFO] [stderr]   Downloaded pax-macro v0.38.3
[INFO] [stderr]   Downloaded jiff v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51f317c64def635b56c94e874a0d0802d432491c0bb4cb82867f0971c8d31d57
[INFO] running `Command { std: "docker" "start" "-a" "51f317c64def635b56c94e874a0d0802d432491c0bb4cb82867f0971c8d31d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f317c64def635b56c94e874a0d0802d432491c0bb4cb82867f0971c8d31d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f317c64def635b56c94e874a0d0802d432491c0bb4cb82867f0971c8d31d57", kill_on_drop: false }`
[INFO] [stdout] 51f317c64def635b56c94e874a0d0802d432491c0bb4cb82867f0971c8d31d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7db030135d458146888051fa9cb38a838039093f880bcf7a9d4c7717695f986
[INFO] running `Command { std: "docker" "start" "-a" "f7db030135d458146888051fa9cb38a838039093f880bcf7a9d4c7717695f986", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling version-compare v0.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.108
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.108
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling kurbo v0.9.5
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling piet v0.6.2
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling deunicode v1.6.2
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]    Compiling sailfish-compiler v0.6.1
[INFO] [stderr]    Compiling slug v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling include_dir v0.7.4
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling sailfish v0.6.1
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]    Compiling mut_static v5.0.0
[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/8afe9ff1caa97654c31fb8c259dac9fdf67d6302/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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"' --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=05d6e37fd0cd39bd -C extra-filename=-88986c4d228ff67a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1128c583579f39ea.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f9266ca2a54115df.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f7db030135d458146888051fa9cb38a838039093f880bcf7a9d4c7717695f986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7db030135d458146888051fa9cb38a838039093f880bcf7a9d4c7717695f986", kill_on_drop: false }`
[INFO] [stdout] f7db030135d458146888051fa9cb38a838039093f880bcf7a9d4c7717695f986