[INFO] cloning repository https://github.com/k-ymmt/gtv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-ymmt/gtv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-ymmt%2Fgtv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-ymmt%2Fgtv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9517ff62650f0a2ac5faddba6f20615ff1d87f9
[INFO] documenting k-ymmt/gtv against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-ymmt%2Fgtv" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k-ymmt/gtv on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k-ymmt/gtv
[INFO] finished tweaking git repo https://github.com/k-ymmt/gtv
[INFO] tweaked toml for git repo https://github.com/k-ymmt/gtv written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/k-ymmt/gtv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51993653b657d676cbdfa124bcebd418ef741ca208a52bf1845a7bd6a3b6868f
[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" "51993653b657d676cbdfa124bcebd418ef741ca208a52bf1845a7bd6a3b6868f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51993653b657d676cbdfa124bcebd418ef741ca208a52bf1845a7bd6a3b6868f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51993653b657d676cbdfa124bcebd418ef741ca208a52bf1845a7bd6a3b6868f", kill_on_drop: false }`
[INFO] [stdout] 51993653b657d676cbdfa124bcebd418ef741ca208a52bf1845a7bd6a3b6868f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3029cec40e8eb119444fb171a4fe795886819ce909a11d0a81eb1d3ffa994fe3
[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" "3029cec40e8eb119444fb171a4fe795886819ce909a11d0a81eb1d3ffa994fe3", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.46
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]  Documenting gtv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/app/event.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn watch_input_event(sender: Sender<(Option<Event>)>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.27s
[INFO] running `Command { std: "docker" "inspect" "3029cec40e8eb119444fb171a4fe795886819ce909a11d0a81eb1d3ffa994fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3029cec40e8eb119444fb171a4fe795886819ce909a11d0a81eb1d3ffa994fe3", kill_on_drop: false }`
[INFO] [stdout] 3029cec40e8eb119444fb171a4fe795886819ce909a11d0a81eb1d3ffa994fe3