[INFO] cloning repository https://github.com/Whipshout/napialpha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Whipshout/napialpha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 172a3b8aec770e381ad2b6381301259e14887985
[INFO] documenting Whipshout/napialpha against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Whipshout/napialpha 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/Whipshout/napialpha
[INFO] finished tweaking git repo https://github.com/Whipshout/napialpha
[INFO] tweaked toml for git repo https://github.com/Whipshout/napialpha written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/Whipshout/napialpha 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded napi-sys v1.1.2
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded sha2 v0.9.8
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded windows_i686_gnu v0.27.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.27.0
[INFO] [stderr]   Downloaded napi-derive-backend v1.0.7
[INFO] [stderr]   Downloaded napi v2.0.0-alpha.4
[INFO] [stderr]   Downloaded napi-derive v2.0.0-alpha.6
[INFO] [stderr]   Downloaded windows-sys v0.27.0
[INFO] [stderr]   Downloaded napi-build v1.1.1
[INFO] [stderr]   Downloaded windows v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 8c245bb0726da6ceb15f1a6bf86030f00685678c70a5cde226f17c549591cd82
[INFO] running `Command { std: "docker" "start" "-a" "8c245bb0726da6ceb15f1a6bf86030f00685678c70a5cde226f17c549591cd82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c245bb0726da6ceb15f1a6bf86030f00685678c70a5cde226f17c549591cd82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c245bb0726da6ceb15f1a6bf86030f00685678c70a5cde226f17c549591cd82", kill_on_drop: false }`
[INFO] [stdout] 8c245bb0726da6ceb15f1a6bf86030f00685678c70a5cde226f17c549591cd82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 41f790f39df451ba15ee001200f0afcdf47a41b7d2cfa00614753253ad3a790f
[INFO] running `Command { std: "docker" "start" "-a" "41f790f39df451ba15ee001200f0afcdf47a41b7d2cfa00614753253ad3a790f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling napi-build v1.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking napi-sys v1.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling alpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling napi-derive-backend v1.0.7
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]     Checking napi v2.0.0-alpha.4
[INFO] [stderr]    Compiling napi-derive v2.0.0-alpha.6
[INFO] [stderr]  Documenting alpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "41f790f39df451ba15ee001200f0afcdf47a41b7d2cfa00614753253ad3a790f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f790f39df451ba15ee001200f0afcdf47a41b7d2cfa00614753253ad3a790f", kill_on_drop: false }`
[INFO] [stdout] 41f790f39df451ba15ee001200f0afcdf47a41b7d2cfa00614753253ad3a790f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9354bd58ac5a4d856ad5e8ba1c377179d15b2a3d718c1245442e3f53eb9ac843
[INFO] running `Command { std: "docker" "start" "-a" "9354bd58ac5a4d856ad5e8ba1c377179d15b2a3d718c1245442e3f53eb9ac843", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9354bd58ac5a4d856ad5e8ba1c377179d15b2a3d718c1245442e3f53eb9ac843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9354bd58ac5a4d856ad5e8ba1c377179d15b2a3d718c1245442e3f53eb9ac843", kill_on_drop: false }`
[INFO] [stdout] 9354bd58ac5a4d856ad5e8ba1c377179d15b2a3d718c1245442e3f53eb9ac843