[INFO] cloning repository https://github.com/joeky888/ufc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeky888/ufc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeky888%2Fufc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeky888%2Fufc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64fc68dca0908b69f586ba3c8b87f19ab94f25f
[INFO] documenting joeky888/ufc against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeky888%2Fufc" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joeky888/ufc on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joeky888/ufc
[INFO] finished tweaking git repo https://github.com/joeky888/ufc
[INFO] tweaked toml for git repo https://github.com/joeky888/ufc written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/joeky888/ufc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d0b40cc56b79e9835637fbdb8018bab63df7038e296615afc1c1e2f8cb4428e
[INFO] running `Command { std: "docker" "start" "-a" "1d0b40cc56b79e9835637fbdb8018bab63df7038e296615afc1c1e2f8cb4428e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d0b40cc56b79e9835637fbdb8018bab63df7038e296615afc1c1e2f8cb4428e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0b40cc56b79e9835637fbdb8018bab63df7038e296615afc1c1e2f8cb4428e", kill_on_drop: false }`
[INFO] [stdout] 1d0b40cc56b79e9835637fbdb8018bab63df7038e296615afc1c1e2f8cb4428e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eba228e3e2fb958469c82b643775322f4b233e00cef76ba14801bd07edbcc2f
[INFO] running `Command { std: "docker" "start" "-a" "5eba228e3e2fb958469c82b643775322f4b233e00cef76ba14801bd07edbcc2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking os_str_bytes v3.0.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fancy-regex v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2 (https://github.com/clap-rs/clap?rev=92f744c#92f744cc)
[INFO] [stderr]     Checking clap v3.0.0-beta.2 (https://github.com/clap-rs/clap?rev=92f744c#92f744cc)
[INFO] [stderr]     Checking clap_generate v3.0.0-beta.2 (https://github.com/clap-rs/clap?rev=92f744c#92f744cc)
[INFO] [stderr]  Documenting ufc v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "5eba228e3e2fb958469c82b643775322f4b233e00cef76ba14801bd07edbcc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eba228e3e2fb958469c82b643775322f4b233e00cef76ba14801bd07edbcc2f", kill_on_drop: false }`
[INFO] [stdout] 5eba228e3e2fb958469c82b643775322f4b233e00cef76ba14801bd07edbcc2f