[INFO] cloning repository https://github.com/1inguini/huffman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1inguini/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1inguini%2Fhuffman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1inguini%2Fhuffman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f9311c16910cedb1bafb045e242b1689a62e000
[INFO] documenting 1inguini/huffman against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1inguini%2Fhuffman" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1inguini/huffman
[INFO] finished tweaking git repo https://github.com/1inguini/huffman
[INFO] tweaked toml for git repo https://github.com/1inguini/huffman written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1inguini/huffman on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1inguini/huffman 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fbf72dbbc8788effd339f6c98e3503d166b45f8ae91f8b8d71f1bd80624ca4
[INFO] running `Command { std: "docker" "start" "-a" "11fbf72dbbc8788effd339f6c98e3503d166b45f8ae91f8b8d71f1bd80624ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fbf72dbbc8788effd339f6c98e3503d166b45f8ae91f8b8d71f1bd80624ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fbf72dbbc8788effd339f6c98e3503d166b45f8ae91f8b8d71f1bd80624ca4", kill_on_drop: false }`
[INFO] [stdout] 11fbf72dbbc8788effd339f6c98e3503d166b45f8ae91f8b8d71f1bd80624ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5f2f35e2d97ed8f5f5ceaed5af17972ec7d625156cacb14146cc947f25886c
[INFO] running `Command { std: "docker" "start" "-a" "ae5f2f35e2d97ed8f5f5ceaed5af17972ec7d625156cacb14146cc947f25886c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]     Checking clap v3.1.2
[INFO] [stderr]  Documenting huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `Symbol`
[INFO] [stdout]    --> src/main.rs:360:33
[INFO] [stdout]     |
[INFO] [stdout] 360 |         /// Converts Node<Option<Symbol>> to Node<Symbol>.
[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] 360 |         /// Converts `Node<Option<Symbol>>` to Node<Symbol>.
[INFO] [stdout]     |                      +                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `Symbol`
[INFO] [stdout]    --> src/main.rs:360:50
[INFO] [stdout]     |
[INFO] [stdout] 360 |         /// Converts Node<Option<Symbol>> to Node<Symbol>.
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 360 |         /// Converts Node<Option<Symbol>> to `Node<Symbol>`.
[INFO] [stdout]     |                                              +            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/huffman/index.html
[INFO] running `Command { std: "docker" "inspect" "ae5f2f35e2d97ed8f5f5ceaed5af17972ec7d625156cacb14146cc947f25886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5f2f35e2d97ed8f5f5ceaed5af17972ec7d625156cacb14146cc947f25886c", kill_on_drop: false }`
[INFO] [stdout] ae5f2f35e2d97ed8f5f5ceaed5af17972ec7d625156cacb14146cc947f25886c
