[INFO] cloning repository https://github.com/XaydBayeck/huffman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XaydBayeck/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXaydBayeck%2Fhuffman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXaydBayeck%2Fhuffman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e9b7e8530ca07968d98b8aa52029282eda68b1d
[INFO] documenting XaydBayeck/huffman against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXaydBayeck%2Fhuffman" "/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/XaydBayeck/huffman on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XaydBayeck/huffman
[INFO] finished tweaking git repo https://github.com/XaydBayeck/huffman
[INFO] tweaked toml for git repo https://github.com/XaydBayeck/huffman written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/XaydBayeck/huffman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18f33bf2d21fe6e3f75a55eba60ef58a8dea5a59cff025601f0505b5ff4615f3
[INFO] running `Command { std: "docker" "start" "-a" "18f33bf2d21fe6e3f75a55eba60ef58a8dea5a59cff025601f0505b5ff4615f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f33bf2d21fe6e3f75a55eba60ef58a8dea5a59cff025601f0505b5ff4615f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f33bf2d21fe6e3f75a55eba60ef58a8dea5a59cff025601f0505b5ff4615f3", kill_on_drop: false }`
[INFO] [stdout] 18f33bf2d21fe6e3f75a55eba60ef58a8dea5a59cff025601f0505b5ff4615f3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b050567ada2cc3ad972b9226d3a16a9064d0600de248ae24c774aaf8183a65ab
[INFO] running `Command { std: "docker" "start" "-a" "b050567ada2cc3ad972b9226d3a16a9064d0600de248ae24c774aaf8183a65ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/tree.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |       /// ```rust
[INFO] [stdout]    |  _________^
[INFO] [stdout] 46 | |     /// use self::Code::*;
[INFO] [stdout] 47 | |     ///
[INFO] [stdout] 48 | |     /// let codes = Codes::from_str("10011001");
[INFO] [stdout] 49 | |     ///
[INFO] [stdout] 50 | |     /// assert_eq!(codes， Codes(vec![One, Zero, Zero, One, One, Zero, Zero, One]))
[INFO] [stdout] 51 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/tree.rs:96:5
[INFO] [stdout]     |
[INFO] [stdout] 96  |   /// ```rust
[INFO] [stdout]     |  _____^
[INFO] [stdout] 97  | | /// let encode_pair =
[INFO] [stdout] 98  | | /// [("A", 2),
[INFO] [stdout] 99  | | /// ("NA", 16),
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | | ///
[INFO] [stdout] 114 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "b050567ada2cc3ad972b9226d3a16a9064d0600de248ae24c774aaf8183a65ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b050567ada2cc3ad972b9226d3a16a9064d0600de248ae24c774aaf8183a65ab", kill_on_drop: false }`
[INFO] [stdout] b050567ada2cc3ad972b9226d3a16a9064d0600de248ae24c774aaf8183a65ab