[INFO] cloning repository https://github.com/iptq/gopher-browser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iptq/gopher-browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fgopher-browser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fgopher-browser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a400d3dfd0cf4d4b09ed4dfa7e4f6f84d719ba2
[INFO] documenting iptq/gopher-browser against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fgopher-browser" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/gopher-browser on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iptq/gopher-browser
[INFO] finished tweaking git repo https://github.com/iptq/gopher-browser
[INFO] tweaked toml for git repo https://github.com/iptq/gopher-browser written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/iptq/gopher-browser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "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] 02ae32a7b6b3721184cca092c5a1558eb9dc5204fcfed9d0faa002c4f85904f2
[INFO] running `Command { std: "docker" "start" "-a" "02ae32a7b6b3721184cca092c5a1558eb9dc5204fcfed9d0faa002c4f85904f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ae32a7b6b3721184cca092c5a1558eb9dc5204fcfed9d0faa002c4f85904f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ae32a7b6b3721184cca092c5a1558eb9dc5204fcfed9d0faa002c4f85904f2", kill_on_drop: false }`
[INFO] [stdout] 02ae32a7b6b3721184cca092c5a1558eb9dc5204fcfed9d0faa002c4f85904f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30aa79eef5e71063412df5909d60fa6236143aea8ac344510ebb1c350653e541
[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" "30aa79eef5e71063412df5909d60fa6236143aea8ac344510ebb1c350653e541", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking glib v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]    Compiling relm-gen-widget v0.16.0
[INFO] [stderr]    Compiling relm-derive-common v0.16.0
[INFO] [stderr]    Compiling relm-derive v0.16.0
[INFO] [stderr]    Compiling relm-attributes v0.16.0
[INFO] [stderr]     Checking relm-core v0.16.0
[INFO] [stderr]     Checking relm-state v0.16.0
[INFO] [stderr]     Checking relm v0.16.0
[INFO] [stderr]  Documenting gopher-browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/gopher_async/client.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             request_codec.encode(request, &mut buf);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "30aa79eef5e71063412df5909d60fa6236143aea8ac344510ebb1c350653e541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30aa79eef5e71063412df5909d60fa6236143aea8ac344510ebb1c350653e541", kill_on_drop: false }`
[INFO] [stdout] 30aa79eef5e71063412df5909d60fa6236143aea8ac344510ebb1c350653e541