[INFO] fetching crate unshare 0.7.0...
[INFO] documenting unshare-0.7.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate unshare 0.7.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate unshare 0.7.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unshare 0.7.0
[INFO] finished tweaking crates.io crate unshare 0.7.0
[INFO] tweaked toml for crates.io crate unshare 0.7.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate unshare 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c8721ae8666069b54f02be22bbd76302b06a2886f5437c8043748184582cd7d
[INFO] running `Command { std: "docker" "start" "-a" "2c8721ae8666069b54f02be22bbd76302b06a2886f5437c8043748184582cd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8721ae8666069b54f02be22bbd76302b06a2886f5437c8043748184582cd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8721ae8666069b54f02be22bbd76302b06a2886f5437c8043748184582cd7d", kill_on_drop: false }`
[INFO] [stdout] 2c8721ae8666069b54f02be22bbd76302b06a2886f5437c8043748184582cd7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2de097ebb253f09e3ee2a5a2044b88e5766dc033fb93178d463beee4defa33
[INFO] running `Command { std: "docker" "start" "-a" "ed2de097ebb253f09e3ee2a5a2044b88e5766dc033fb93178d463beee4defa33", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]  Documenting unshare v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/zombies.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 143 | | ///     while alive.len() > 0 {
[INFO] [stdout] 144 | | ///         sigwait()
[INFO] [stdout] 145 | | ///         for event in zombies() {
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | | ///     }
[INFO] [stdout] 152 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/zombies.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | /// ```ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "ed2de097ebb253f09e3ee2a5a2044b88e5766dc033fb93178d463beee4defa33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2de097ebb253f09e3ee2a5a2044b88e5766dc033fb93178d463beee4defa33", kill_on_drop: false }`
[INFO] [stdout] ed2de097ebb253f09e3ee2a5a2044b88e5766dc033fb93178d463beee4defa33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d67b425a83d7d46ca5e18d4107b9ea7d5ce692e78bb4201e5d23a78ec12dc2e1
[INFO] running `Command { std: "docker" "start" "-a" "d67b425a83d7d46ca5e18d4107b9ea7d5ce692e78bb4201e5d23a78ec12dc2e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]  Documenting unshare v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/zombies.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 143 | | ///     while alive.len() > 0 {
[INFO] [stdout] 144 | | ///         sigwait()
[INFO] [stdout] 145 | | ///         for event in zombies() {
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | | ///     }
[INFO] [stdout] 152 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/zombies.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | /// ```ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "d67b425a83d7d46ca5e18d4107b9ea7d5ce692e78bb4201e5d23a78ec12dc2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67b425a83d7d46ca5e18d4107b9ea7d5ce692e78bb4201e5d23a78ec12dc2e1", kill_on_drop: false }`
[INFO] [stdout] d67b425a83d7d46ca5e18d4107b9ea7d5ce692e78bb4201e5d23a78ec12dc2e1