[INFO] fetching crate wayland-kbd 0.13.1...
[INFO] documenting wayland-kbd-0.13.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wayland-kbd 0.13.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wayland-kbd 0.13.1 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 crates.io crate wayland-kbd 0.13.1
[INFO] finished tweaking crates.io crate wayland-kbd 0.13.1
[INFO] tweaked toml for crates.io crate wayland-kbd 0.13.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1cdc3b6b8e5d20c3fcb7f6d5df3ba1f6044b21fd4ebc0db8bfc8b40fb29cecbe
[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" "1cdc3b6b8e5d20c3fcb7f6d5df3ba1f6044b21fd4ebc0db8bfc8b40fb29cecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cdc3b6b8e5d20c3fcb7f6d5df3ba1f6044b21fd4ebc0db8bfc8b40fb29cecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdc3b6b8e5d20c3fcb7f6d5df3ba1f6044b21fd4ebc0db8bfc8b40fb29cecbe", kill_on_drop: false }`
[INFO] [stdout] 1cdc3b6b8e5d20c3fcb7f6d5df3ba1f6044b21fd4ebc0db8bfc8b40fb29cecbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7928ed5779f826c3a840f34807430d78b8887664cf41f7a539c3fa641d83978a
[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" "7928ed5779f826c3a840f34807430d78b8887664cf41f7a539c3fa641d83978a", kill_on_drop: false }`
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]  Documenting wayland-kbd v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/ffi/mod.rs:57:35
[INFO] [stdout]    |
[INFO] [stdout] 57 |     XKB_KEYSYM_CASE_INSENSITIVE = (1 << 0)
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/ffi/mod.rs:66:39
[INFO] [stdout]    |
[INFO] [stdout] 66 |     XKB_CONTEXT_NO_DEFAULT_INCLUDES = (1 << 0),
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/ffi/mod.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |     XKB_CONTEXT_NO_ENVIRONMENT_NAMES = (1 << 1)
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "7928ed5779f826c3a840f34807430d78b8887664cf41f7a539c3fa641d83978a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7928ed5779f826c3a840f34807430d78b8887664cf41f7a539c3fa641d83978a", kill_on_drop: false }`
[INFO] [stdout] 7928ed5779f826c3a840f34807430d78b8887664cf41f7a539c3fa641d83978a