[INFO] cloning repository https://github.com/xalanq/max-lines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xalanq/max-lines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxalanq%2Fmax-lines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxalanq%2Fmax-lines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdb312da51f3821fc8feff503648f5e353b31308
[INFO] documenting xalanq/max-lines against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxalanq%2Fmax-lines" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xalanq/max-lines on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xalanq/max-lines
[INFO] finished tweaking git repo https://github.com/xalanq/max-lines
[INFO] tweaked toml for git repo https://github.com/xalanq/max-lines written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/xalanq/max-lines already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 976a8f4d177888bfcf08467f1c26e9b3907279e4d7e0c653e492b49b9bbe3a99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "976a8f4d177888bfcf08467f1c26e9b3907279e4d7e0c653e492b49b9bbe3a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "976a8f4d177888bfcf08467f1c26e9b3907279e4d7e0c653e492b49b9bbe3a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976a8f4d177888bfcf08467f1c26e9b3907279e4d7e0c653e492b49b9bbe3a99", kill_on_drop: false }`
[INFO] [stdout] 976a8f4d177888bfcf08467f1c26e9b3907279e4d7e0c653e492b49b9bbe3a99
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7710f6f3fd90f612025d2a6f080d4f5f8c7af6b8165493b30e8ba47bd5172698
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7710f6f3fd90f612025d2a6f080d4f5f8c7af6b8165493b30e8ba47bd5172698", kill_on_drop: false }`
[INFO] [stderr]  Documenting max_lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! The `max_lines` crate can read many lines once a time from BufRead and
[INFO] [stdout] 2  | | //! **without any extra memory allocation.**.
[INFO] [stdout] 3  | | //!
[INFO] [stdout] 4  | | //! Have fun!
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | | //! });
[INFO] [stdout] 34 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! The `max_lines` crate can read many lines once a time from BufRead and
[INFO] [stdout] 2  | | //! **without any extra memory allocation.**.
[INFO] [stdout] 3  | | //!
[INFO] [stdout] 4  | | //! Have fun!
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | | //! });
[INFO] [stdout] 34 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     /// Read a single line.
[INFO] [stdout] 46 | |     ///
[INFO] [stdout] 47 | |     /// # Example
[INFO] [stdout] 48 | |     ///
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     ///     // std::vec::Vec<std::result::Result<std::string::String, std::io::Error>>
[INFO] [stdout] 60 | |     /// });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     /// # Example
[INFO] [stdout] 83 | |     /// extern crate max_lines;
[INFO] [stdout] 84 | |     /// use max_lines::*;
[INFO] [stdout] 85 | |     ///
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |     ///     // std::vec::Vec<std::result::Result<std::string::String, std::io::Error>>
[INFO] [stdout] 92 | |     /// });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "7710f6f3fd90f612025d2a6f080d4f5f8c7af6b8165493b30e8ba47bd5172698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7710f6f3fd90f612025d2a6f080d4f5f8c7af6b8165493b30e8ba47bd5172698", kill_on_drop: false }`
[INFO] [stdout] 7710f6f3fd90f612025d2a6f080d4f5f8c7af6b8165493b30e8ba47bd5172698