[INFO] updating cached repository https://github.com/FBemf/rzip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 835ca20beafac6bb5a25c0069b4f81d2037f472e
[INFO] documenting FBemf/rzip against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFBemf%2Frzip" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FBemf/rzip on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FBemf/rzip
[INFO] finished tweaking git repo https://github.com/FBemf/rzip
[INFO] tweaked toml for git repo https://github.com/FBemf/rzip written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/FBemf/rzip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d236a85b6e84e051d8cd3d16e3d0d4e4da8545eb35ddcf0729f3da1ff6175344
[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" "d236a85b6e84e051d8cd3d16e3d0d4e4da8545eb35ddcf0729f3da1ff6175344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d236a85b6e84e051d8cd3d16e3d0d4e4da8545eb35ddcf0729f3da1ff6175344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d236a85b6e84e051d8cd3d16e3d0d4e4da8545eb35ddcf0729f3da1ff6175344", kill_on_drop: false }`
[INFO] [stdout] d236a85b6e84e051d8cd3d16e3d0d4e4da8545eb35ddcf0729f3da1ff6175344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507bac268aa6916b2e92a63b576112e61f7c05e423a044995314c06ab68d84aa
[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" "507bac268aa6916b2e92a63b576112e61f7c05e423a044995314c06ab68d84aa", kill_on_drop: false }`
[INFO] [stderr]  Documenting rzip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/huffman.rs:50:62
[INFO] [stdout]    |
[INFO] [stdout] 50 |     /// Creates a Huffman tree from a vector of lengths. vec[n] = l means
[INFO] [stdout]    |                                                              ^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/huffman.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |     /// The greater the value of weight[n], the shorter the code for n.
[INFO] [stdout]     |                                         ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[n]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/huffman.rs:180:39
[INFO] [stdout]     |
[INFO] [stdout] 180 |     /// Returns a Vec<u16>, where vec[n] = x, where n is the value to encode
[INFO] [stdout]     |                                       ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "507bac268aa6916b2e92a63b576112e61f7c05e423a044995314c06ab68d84aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507bac268aa6916b2e92a63b576112e61f7c05e423a044995314c06ab68d84aa", kill_on_drop: false }`
[INFO] [stdout] 507bac268aa6916b2e92a63b576112e61f7c05e423a044995314c06ab68d84aa