[INFO] cloning repository https://github.com/Skarlett/charsub-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Skarlett/charsub-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkarlett%2Fcharsub-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkarlett%2Fcharsub-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd61a4a915e9d39bfc86e631291b906a6288509c
[INFO] documenting Skarlett/charsub-rs 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%2FSkarlett%2Fcharsub-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skarlett/charsub-rs 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/Skarlett/charsub-rs
[INFO] finished tweaking git repo https://github.com/Skarlett/charsub-rs
[INFO] tweaked toml for git repo https://github.com/Skarlett/charsub-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Skarlett/charsub-rs 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] warning: /workspace/builds/worker-8/source/cli_tool/Cargo.toml: unused manifest key: dependencies.structopt.feature
[INFO] [stderr] warning: /workspace/builds/worker-8/source/cli_tool/Cargo.toml: unused manifest key: package.path
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded evc v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5311b51cb1995749040d49a2a27782e6997076e5cdcbda28a5e7b16baf47a6b0
[INFO] running `Command { std: "docker" "start" "-a" "5311b51cb1995749040d49a2a27782e6997076e5cdcbda28a5e7b16baf47a6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5311b51cb1995749040d49a2a27782e6997076e5cdcbda28a5e7b16baf47a6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5311b51cb1995749040d49a2a27782e6997076e5cdcbda28a5e7b16baf47a6b0", kill_on_drop: false }`
[INFO] [stdout] 5311b51cb1995749040d49a2a27782e6997076e5cdcbda28a5e7b16baf47a6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 428879889f49e31b352b478fb033a394dfec97a61c161b415059d30bc4383eb7
[INFO] running `Command { std: "docker" "start" "-a" "428879889f49e31b352b478fb033a394dfec97a61c161b415059d30bc4383eb7", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/cli_tool/Cargo.toml: unused manifest key: dependencies.structopt.feature
[INFO] [stderr] warning: /opt/rustwide/workdir/cli_tool/Cargo.toml: unused manifest key: package.path
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking evc v0.1.2
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking charsub v0.2.0 (/opt/rustwide/workdir/charsub)
[INFO] [stderr]  Documenting charsub v0.2.0 (/opt/rustwide/workdir/charsub)
[INFO] [stdout] warning: unused import: `crate::RuleCell`
[INFO] [stdout]  --> charsub/src/unit.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::RuleCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RuleCell`, `patterns::RuleEntry`
[INFO] [stdout]  --> charsub/src/cursor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     RuleCell,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     patterns::RuleEntry,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> charsub/src/cursor.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cursor`, `Output`
[INFO] [stdout]  --> charsub/src/api.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cursor::{Cursor, Output},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RuleCell`
[INFO] [stdout]  --> charsub/src/scheduler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RuleCell,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]  --> charsub/src/patterns.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[inline]
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting cli_tool v0.1.0 (/opt/rustwide/workdir/cli_tool)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.08s
[INFO] running `Command { std: "docker" "inspect" "428879889f49e31b352b478fb033a394dfec97a61c161b415059d30bc4383eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428879889f49e31b352b478fb033a394dfec97a61c161b415059d30bc4383eb7", kill_on_drop: false }`
[INFO] [stdout] 428879889f49e31b352b478fb033a394dfec97a61c161b415059d30bc4383eb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] b2406dccff187b64fb28aaf0403517c4cf861d76243dbb86189e0270e55f220e
[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" "b2406dccff187b64fb28aaf0403517c4cf861d76243dbb86189e0270e55f220e", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/cli_tool/Cargo.toml: unused manifest key: dependencies.structopt.feature
[INFO] [stderr] warning: /opt/rustwide/workdir/cli_tool/Cargo.toml: unused manifest key: package.path
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "b2406dccff187b64fb28aaf0403517c4cf861d76243dbb86189e0270e55f220e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2406dccff187b64fb28aaf0403517c4cf861d76243dbb86189e0270e55f220e", kill_on_drop: false }`
[INFO] [stdout] b2406dccff187b64fb28aaf0403517c4cf861d76243dbb86189e0270e55f220e