[INFO] cloning repository https://github.com/adam-r-kowalski/ra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adam-r-kowalski/ra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-r-kowalski%2Fra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-r-kowalski%2Fra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a521d8184f4a178dd0704712d10821864382f30
[INFO] documenting adam-r-kowalski/ra against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-r-kowalski%2Fra" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adam-r-kowalski/ra on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adam-r-kowalski/ra
[INFO] finished tweaking git repo https://github.com/adam-r-kowalski/ra
[INFO] tweaked toml for git repo https://github.com/adam-r-kowalski/ra written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/adam-r-kowalski/ra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seahash v4.1.0
[INFO] [stderr]   Downloaded ptr_meta v0.1.4
[INFO] [stderr]   Downloaded rkyv_derive v0.6.7
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded darling v0.13.0
[INFO] [stderr]   Downloaded wasmer-engine v2.0.0
[INFO] [stderr]   Downloaded darling_macro v0.13.0
[INFO] [stderr]   Downloaded wasmer-compiler v2.0.0
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.0.0
[INFO] [stderr]   Downloaded wasmer-derive v2.0.0
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.0.0
[INFO] [stderr]   Downloaded enumset v1.0.7
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded wasmer-types v2.0.0
[INFO] [stderr]   Downloaded wasmer-object v2.0.0
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] [stderr]   Downloaded wast v37.0.0
[INFO] [stderr]   Downloaded wasmer v2.0.0
[INFO] [stderr]   Downloaded wasmer-vm v2.0.0
[INFO] [stderr]   Downloaded darling_core v0.13.0
[INFO] [stderr]   Downloaded wat v1.0.39
[INFO] [stderr]   Downloaded object v0.26.1
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded enumset_derive v0.5.5
[INFO] [stderr]   Downloaded rustc-demangle v0.1.20
[INFO] [stderr]   Downloaded loupe-derive v0.1.3
[INFO] [stderr]   Downloaded loupe v0.1.3
[INFO] [stderr]   Downloaded ptr_meta_derive v0.1.4
[INFO] [stderr]   Downloaded rkyv v0.6.7
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28b074749106028a3a311b1f04d827d4ee49095a1c43dd46d738703fc430691
[INFO] running `Command { std: "docker" "start" "-a" "f28b074749106028a3a311b1f04d827d4ee49095a1c43dd46d738703fc430691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28b074749106028a3a311b1f04d827d4ee49095a1c43dd46d738703fc430691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28b074749106028a3a311b1f04d827d4ee49095a1c43dd46d738703fc430691", kill_on_drop: false }`
[INFO] [stdout] f28b074749106028a3a311b1f04d827d4ee49095a1c43dd46d738703fc430691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f28d1b7a2f1100041001f3079957aac383b4351802db8d8d2c715fb4ac2413bd
[INFO] running `Command { std: "docker" "start" "-a" "f28d1b7a2f1100041001f3079957aac383b4351802db8d8d2c715fb4ac2413bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling rkyv v0.6.7
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cranelift-entity v0.74.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.74.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.0.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.74.0
[INFO] [stderr]     Checking wast v37.0.0
[INFO] [stderr]     Checking cranelift-bforest v0.74.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling wasmer-vm v2.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]     Checking rand_core v0.6.3
[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-1.0.75/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 -C debuginfo=2 --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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=ac0346e6b249aacc -C extra-filename=-ac0346e6b249aacc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2b187afb25f696e1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1b89975272fbbc51.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f28d1b7a2f1100041001f3079957aac383b4351802db8d8d2c715fb4ac2413bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28d1b7a2f1100041001f3079957aac383b4351802db8d8d2c715fb4ac2413bd", kill_on_drop: false }`
[INFO] [stdout] f28d1b7a2f1100041001f3079957aac383b4351802db8d8d2c715fb4ac2413bd