[INFO] cloning repository https://github.com/rikodao/rustybox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rikodao/rustybox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikodao%2Frustybox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikodao%2Frustybox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f7e61f44a5a8d8d57f0b32787a1b6dddcfd111d
[INFO] documenting rikodao/rustybox 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%2Frikodao%2Frustybox" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rikodao/rustybox 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/rikodao/rustybox
[INFO] finished tweaking git repo https://github.com/rikodao/rustybox
[INFO] tweaked toml for git repo https://github.com/rikodao/rustybox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rikodao/rustybox 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 9776f00ae793fcaa565d0dd81f519295fe74a8f585ceb9b61b89b6aeb45f176f
[INFO] running `Command { std: "docker" "start" "-a" "9776f00ae793fcaa565d0dd81f519295fe74a8f585ceb9b61b89b6aeb45f176f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9776f00ae793fcaa565d0dd81f519295fe74a8f585ceb9b61b89b6aeb45f176f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9776f00ae793fcaa565d0dd81f519295fe74a8f585ceb9b61b89b6aeb45f176f", kill_on_drop: false }`
[INFO] [stdout] 9776f00ae793fcaa565d0dd81f519295fe74a8f585ceb9b61b89b6aeb45f176f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 75f85c2d301e069808ebb0e65a540c4e954b7c0c3fb8be1df408c5e06aec1353
[INFO] running `Command { std: "docker" "start" "-a" "75f85c2d301e069808ebb0e65a540c4e954b7c0c3fb8be1df408c5e06aec1353", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rustybox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustybox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/bin/ls.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all`
[INFO] [stdout]   --> src/bin/ls.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) fn all(mut self, all: bool) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `option`
[INFO] [stdout]   --> src/bin/ls.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     option: LsOption,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_cli`
[INFO] [stdout]   --> src/bin/ls.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub(crate) fn new_from_cli(args: &mut Args) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.90s
[INFO] running `Command { std: "docker" "inspect" "75f85c2d301e069808ebb0e65a540c4e954b7c0c3fb8be1df408c5e06aec1353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f85c2d301e069808ebb0e65a540c4e954b7c0c3fb8be1df408c5e06aec1353", kill_on_drop: false }`
[INFO] [stdout] 75f85c2d301e069808ebb0e65a540c4e954b7c0c3fb8be1df408c5e06aec1353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7f3c7a07e33750252240c8bd50ca7f9dc046606edad107b9f162dbabf394452d
[INFO] running `Command { std: "docker" "start" "-a" "7f3c7a07e33750252240c8bd50ca7f9dc046606edad107b9f162dbabf394452d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]  Documenting rustybox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "7f3c7a07e33750252240c8bd50ca7f9dc046606edad107b9f162dbabf394452d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3c7a07e33750252240c8bd50ca7f9dc046606edad107b9f162dbabf394452d", kill_on_drop: false }`
[INFO] [stdout] 7f3c7a07e33750252240c8bd50ca7f9dc046606edad107b9f162dbabf394452d