[INFO] cloning repository https://github.com/gluaxspeed/r2wc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gluaxspeed/r2wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluaxspeed%2Fr2wc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluaxspeed%2Fr2wc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdc59383aab43b4c6439f6b4eae38cd2208c082f
[INFO] documenting gluaxspeed/r2wc against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluaxspeed%2Fr2wc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gluaxspeed/r2wc on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gluaxspeed/r2wc
[INFO] finished tweaking git repo https://github.com/gluaxspeed/r2wc
[INFO] tweaked toml for git repo https://github.com/gluaxspeed/r2wc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gluaxspeed/r2wc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.94.0
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13888b87344cac1821fcb294e5d3553f720fa5ec40f524d6969d82c8bd8b3dec
[INFO] running `Command { std: "docker" "start" "-a" "13888b87344cac1821fcb294e5d3553f720fa5ec40f524d6969d82c8bd8b3dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13888b87344cac1821fcb294e5d3553f720fa5ec40f524d6969d82c8bd8b3dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13888b87344cac1821fcb294e5d3553f720fa5ec40f524d6969d82c8bd8b3dec", kill_on_drop: false }`
[INFO] [stdout] 13888b87344cac1821fcb294e5d3553f720fa5ec40f524d6969d82c8bd8b3dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07f3131ad7bd285b7d66df0286519180dc991ec96895a9247c75afd2a7ad6a68
[INFO] running `Command { std: "docker" "start" "-a" "07f3131ad7bd285b7d66df0286519180dc991ec96895a9247c75afd2a7ad6a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling ncurses v5.94.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]  Documenting r2wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `Peer`
[INFO] [stdout]   --> src/connection/peer.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     /// Creates a new Option<Peer>, by grabbing one from given server.
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 10 |     /// Creates a new `Option<Peer>`, by grabbing one from given server.
[INFO] [stdout]    |                       +            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `peer`
[INFO] [stdout]   --> src/connection.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// `peer` - A Option<peer> currently representing the person we are talking to or not.
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// `peer` - A `Option<peer>` currently representing the person we are talking to or not.
[INFO] [stdout]    |                +            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `Peer`
[INFO] [stdout]   --> src/connection/peer.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     /// Creates a new Option<Peer>, by grabbing one from given server.
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 10 |     /// Creates a new `Option<Peer>`, by grabbing one from given server.
[INFO] [stdout]    |                       +            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `peer`
[INFO] [stdout]   --> src/connection.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// `peer` - A Option<peer> currently representing the person we are talking to or not.
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// `peer` - A `Option<peer>` currently representing the person we are talking to or not.
[INFO] [stdout]    |                +            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/r2wc/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/r2wc_client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/r2wc_server/index.html
[INFO] running `Command { std: "docker" "inspect" "07f3131ad7bd285b7d66df0286519180dc991ec96895a9247c75afd2a7ad6a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f3131ad7bd285b7d66df0286519180dc991ec96895a9247c75afd2a7ad6a68", kill_on_drop: false }`
[INFO] [stdout] 07f3131ad7bd285b7d66df0286519180dc991ec96895a9247c75afd2a7ad6a68