[INFO] fetching crate rportaudio 0.1.1...
[INFO] documenting rportaudio-0.1.1 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate rportaudio 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rportaudio 0.1.1 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 rportaudio 0.1.1
[INFO] finished tweaking crates.io crate rportaudio 0.1.1
[INFO] tweaked toml for crates.io crate rportaudio 0.1.1 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] 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] d3122d4f263c1a165c8ed864996f6e6898704caea4fa8ee1d9f9f1925c3eebac
[INFO] running `Command { std: "docker" "start" "-a" "d3122d4f263c1a165c8ed864996f6e6898704caea4fa8ee1d9f9f1925c3eebac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3122d4f263c1a165c8ed864996f6e6898704caea4fa8ee1d9f9f1925c3eebac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3122d4f263c1a165c8ed864996f6e6898704caea4fa8ee1d9f9f1925c3eebac", kill_on_drop: false }`
[INFO] [stdout] d3122d4f263c1a165c8ed864996f6e6898704caea4fa8ee1d9f9f1925c3eebac
[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] 3534e25b0130214e9e42a0ff338bdb4e912b7a48d825d709fdc2f54fb335c0cb
[INFO] running `Command { std: "docker" "start" "-a" "3534e25b0130214e9e42a0ff338bdb4e912b7a48d825d709fdc2f54fb335c0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]    Compiling rportaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> build.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Err(e) => {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping rportaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rportaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "3534e25b0130214e9e42a0ff338bdb4e912b7a48d825d709fdc2f54fb335c0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3534e25b0130214e9e42a0ff338bdb4e912b7a48d825d709fdc2f54fb335c0cb", kill_on_drop: false }`
[INFO] [stdout] 3534e25b0130214e9e42a0ff338bdb4e912b7a48d825d709fdc2f54fb335c0cb
[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" "-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] 09d670cfd0da12ea4318d636a2b0f8bd519bb450b0f504480c69045748c7c47b
[INFO] running `Command { std: "docker" "start" "-a" "09d670cfd0da12ea4318d636a2b0f8bd519bb450b0f504480c69045748c7c47b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rportaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> build.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Err(e) => {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping rportaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rportaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "09d670cfd0da12ea4318d636a2b0f8bd519bb450b0f504480c69045748c7c47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d670cfd0da12ea4318d636a2b0f8bd519bb450b0f504480c69045748c7c47b", kill_on_drop: false }`
[INFO] [stdout] 09d670cfd0da12ea4318d636a2b0f8bd519bb450b0f504480c69045748c7c47b