[INFO] cloning repository https://github.com/stefinfection/ToyBrowser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefinfection/ToyBrowser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefinfection%2FToyBrowser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefinfection%2FToyBrowser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89cde09deb2e7249b299a410691fa71db7b6dcf0
[INFO] documenting stefinfection/ToyBrowser 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%2Fstefinfection%2FToyBrowser" "/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/stefinfection/ToyBrowser 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/stefinfection/ToyBrowser
[INFO] finished tweaking git repo https://github.com/stefinfection/ToyBrowser
[INFO] tweaked toml for git repo https://github.com/stefinfection/ToyBrowser written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/stefinfection/ToyBrowser 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded fragile v0.3.0
[INFO] [stderr]   Downloaded gobject-sys v0.9.0
[INFO] [stderr]   Downloaded cairo-rs v0.7.1
[INFO] [stderr]   Downloaded glib v0.8.1
[INFO] [stderr]   Downloaded glib-sys v0.9.0
[INFO] [stderr]   Downloaded wasi v0.5.0
[INFO] [stderr]   Downloaded pango v0.7.0
[INFO] [stderr]   Downloaded openssl v0.10.24
[INFO] [stderr]   Downloaded pango-sys v0.9.0
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded getrandom v0.1.10
[INFO] [stderr]   Downloaded atk v0.7.0
[INFO] [stderr]   Downloaded gio-sys v0.9.0
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.7.0
[INFO] [stderr]   Downloaded atk-sys v0.9.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.0
[INFO] [stderr]   Downloaded gdk v0.11.0
[INFO] [stderr]   Downloaded gio v0.7.0
[INFO] [stderr]   Downloaded gtk-sys v0.9.0
[INFO] [stderr]   Downloaded gdk-sys v0.9.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.0
[INFO] [stderr]   Downloaded gtk v0.7.0
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e158472ffd8905e8f88c8859264fdb8c48c791f6d332d81f5f8c4c4a5c551b35
[INFO] running `Command { std: "docker" "start" "-a" "e158472ffd8905e8f88c8859264fdb8c48c791f6d332d81f5f8c4c4a5c551b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e158472ffd8905e8f88c8859264fdb8c48c791f6d332d81f5f8c4c4a5c551b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e158472ffd8905e8f88c8859264fdb8c48c791f6d332d81f5f8c4c4a5c551b35", kill_on_drop: false }`
[INFO] [stdout] e158472ffd8905e8f88c8859264fdb8c48c791f6d332d81f5f8c4c4a5c551b35
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7d6076bfb7929fbfb032ecad7bc4550ab84be3942d56fd8be5395e2992ee747
[INFO] running `Command { std: "docker" "start" "-a" "e7d6076bfb7929fbfb032ecad7bc4550ab84be3942d56fd8be5395e2992ee747", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking glib v0.8.1
[INFO] [stderr]  Documenting ToyBrowser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/network.rs:135:28
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn show(html: &str) -> (String) {
[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 1m 24s
[INFO] running `Command { std: "docker" "inspect" "e7d6076bfb7929fbfb032ecad7bc4550ab84be3942d56fd8be5395e2992ee747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d6076bfb7929fbfb032ecad7bc4550ab84be3942d56fd8be5395e2992ee747", kill_on_drop: false }`
[INFO] [stdout] e7d6076bfb7929fbfb032ecad7bc4550ab84be3942d56fd8be5395e2992ee747