[INFO] fetching crate rmpv 1.0.0...
[INFO] documenting rmpv-1.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rmpv 1.0.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate rmpv 1.0.0 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 rmpv 1.0.0
[INFO] finished tweaking crates.io crate rmpv 1.0.0
[INFO] tweaked toml for crates.io crate rmpv 1.0.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 170a4632c9a410f4d62e8a29a9547e7e420a11641f9cc9c823442a052fd7e9fc
[INFO] running `Command { std: "docker" "start" "-a" "170a4632c9a410f4d62e8a29a9547e7e420a11641f9cc9c823442a052fd7e9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170a4632c9a410f4d62e8a29a9547e7e420a11641f9cc9c823442a052fd7e9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170a4632c9a410f4d62e8a29a9547e7e420a11641f9cc9c823442a052fd7e9fc", kill_on_drop: false }`
[INFO] [stdout] 170a4632c9a410f4d62e8a29a9547e7e420a11641f9cc9c823442a052fd7e9fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 542276564ca974e874d0bf06a3b290cf1d4bd6bf68ffd4533944a869e9eb84f0
[INFO] running `Command { std: "docker" "start" "-a" "542276564ca974e874d0bf06a3b290cf1d4bd6bf68ffd4533944a869e9eb84f0", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]  Documenting rmpv v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |   //! ```
[INFO] [stdout]   |  _____^
[INFO] [stdout] 6 | | //! ```
[INFO] [stdout]   | |_______^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]   |
[INFO] [stdout] 5 | //! ```text
[INFO] [stdout]   |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "542276564ca974e874d0bf06a3b290cf1d4bd6bf68ffd4533944a869e9eb84f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542276564ca974e874d0bf06a3b290cf1d4bd6bf68ffd4533944a869e9eb84f0", kill_on_drop: false }`
[INFO] [stdout] 542276564ca974e874d0bf06a3b290cf1d4bd6bf68ffd4533944a869e9eb84f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] e420ba19e7b457df21e7fadef8252195e2918faecb1eae22c11b413b35de14a3
[INFO] running `Command { std: "docker" "start" "-a" "e420ba19e7b457df21e7fadef8252195e2918faecb1eae22c11b413b35de14a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]  Documenting rmpv v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |   //! ```
[INFO] [stdout]   |  _____^
[INFO] [stdout] 6 | | //! ```
[INFO] [stdout]   | |_______^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]   |
[INFO] [stdout] 5 | //! ```text
[INFO] [stdout]   |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "e420ba19e7b457df21e7fadef8252195e2918faecb1eae22c11b413b35de14a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e420ba19e7b457df21e7fadef8252195e2918faecb1eae22c11b413b35de14a3", kill_on_drop: false }`
[INFO] [stdout] e420ba19e7b457df21e7fadef8252195e2918faecb1eae22c11b413b35de14a3