[INFO] fetching crate craftping 0.2.1...
[INFO] documenting craftping-0.2.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate craftping 0.2.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate craftping 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate craftping 0.2.1
[INFO] finished tweaking crates.io crate craftping 0.2.1
[INFO] tweaked toml for crates.io crate craftping 0.2.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate craftping 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded serde v1.0.119
[INFO] [stderr]   Downloaded serde_derive v1.0.119
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded tokio v1.0.2
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aaadbb6345bbd11e26af35ce5a648959f5fcde9b09d68367e03adfbb8864c48
[INFO] running `Command { std: "docker" "start" "-a" "5aaadbb6345bbd11e26af35ce5a648959f5fcde9b09d68367e03adfbb8864c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aaadbb6345bbd11e26af35ce5a648959f5fcde9b09d68367e03adfbb8864c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aaadbb6345bbd11e26af35ce5a648959f5fcde9b09d68367e03adfbb8864c48", kill_on_drop: false }`
[INFO] [stdout] 5aaadbb6345bbd11e26af35ce5a648959f5fcde9b09d68367e03adfbb8864c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2123517af20fe2977a313ee0f53f3c3e74c7dfb4ec86e3b58d6fbe96e9840f7a
[INFO] running `Command { std: "docker" "start" "-a" "2123517af20fe2977a313ee0f53f3c3e74c7dfb4ec86e3b58d6fbe96e9840f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking serde v1.0.119
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]  Documenting craftping v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `self::tokio::ping`
[INFO] [stdout]  --> src/lib.rs:8:65
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! - `async-tokio`: Enables asynchronous, tokio-based [`ping`](crate::tokio::ping) function.
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^^^^^^^ no item named `tokio` in module `craftping`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `tokio`
[INFO] [stdout]  --> src/sync.rs:4:72
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! If you want to send ping in an asynchronous context, see [`tokio`](tokio) module.
[INFO] [stdout]   |                                                                        ^^^^^ no item named `tokio` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.96s
[INFO] running `Command { std: "docker" "inspect" "2123517af20fe2977a313ee0f53f3c3e74c7dfb4ec86e3b58d6fbe96e9840f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2123517af20fe2977a313ee0f53f3c3e74c7dfb4ec86e3b58d6fbe96e9840f7a", kill_on_drop: false }`
[INFO] [stdout] 2123517af20fe2977a313ee0f53f3c3e74c7dfb4ec86e3b58d6fbe96e9840f7a
