[INFO] fetching crate xtensa-lx-rt 0.14.0...
[INFO] documenting xtensa-lx-rt-0.14.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate xtensa-lx-rt 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xtensa-lx-rt 0.14.0 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtensa-lx-rt 0.14.0
[INFO] finished tweaking crates.io crate xtensa-lx-rt 0.14.0
[INFO] tweaked toml for crates.io crate xtensa-lx-rt 0.14.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 069c3d1eb7a3d3b6fb2235e2b1db3d0f1b1e02d2366bc3e8d64039fe51de5db5
[INFO] running `Command { std: "docker" "start" "-a" "069c3d1eb7a3d3b6fb2235e2b1db3d0f1b1e02d2366bc3e8d64039fe51de5db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "069c3d1eb7a3d3b6fb2235e2b1db3d0f1b1e02d2366bc3e8d64039fe51de5db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069c3d1eb7a3d3b6fb2235e2b1db3d0f1b1e02d2366bc3e8d64039fe51de5db5", kill_on_drop: false }`
[INFO] [stdout] 069c3d1eb7a3d3b6fb2235e2b1db3d0f1b1e02d2366bc3e8d64039fe51de5db5
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] f2c06ff45a2deb1d76baf029bc575dd8c886283cfbe4d758f57456526571b464
[INFO] running `Command { std: "docker" "start" "-a" "f2c06ff45a2deb1d76baf029bc575dd8c886283cfbe4d758f57456526571b464", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling minijinja v0.15.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling xtensa-lx-rt-proc-macros v0.1.0
[INFO] [stderr]    Compiling core-isa-parser v0.2.0
[INFO] [stderr]    Compiling xtensa-lx-rt v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping xtensa-lx-rt v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting xtensa-lx-rt v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.23s
[INFO] running `Command { std: "docker" "inspect" "f2c06ff45a2deb1d76baf029bc575dd8c886283cfbe4d758f57456526571b464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c06ff45a2deb1d76baf029bc575dd8c886283cfbe4d758f57456526571b464", kill_on_drop: false }`
[INFO] [stdout] f2c06ff45a2deb1d76baf029bc575dd8c886283cfbe4d758f57456526571b464
[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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "esp32" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 8778f46e266e1467a1b1692c62d47e3a43e6a3ceabd9112c601ec1fdde1de54f
[INFO] running `Command { std: "docker" "start" "-a" "8778f46e266e1467a1b1692c62d47e3a43e6a3ceabd9112c601ec1fdde1de54f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtensa-lx-rt v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping xtensa-lx-rt v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting xtensa-lx-rt v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "8778f46e266e1467a1b1692c62d47e3a43e6a3ceabd9112c601ec1fdde1de54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8778f46e266e1467a1b1692c62d47e3a43e6a3ceabd9112c601ec1fdde1de54f", kill_on_drop: false }`
[INFO] [stdout] 8778f46e266e1467a1b1692c62d47e3a43e6a3ceabd9112c601ec1fdde1de54f