[INFO] updating cached repository https://github.com/cameronfyfe/ripple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08329f564767a7422ba35e9ad0b409157df710cf
[INFO] documenting cameronfyfe/ripple against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronfyfe%2Fripple" "/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/cameronfyfe/ripple on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cameronfyfe/ripple
[INFO] finished tweaking git repo https://github.com/cameronfyfe/ripple
[INFO] tweaked toml for git repo https://github.com/cameronfyfe/ripple written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cameronfyfe/ripple already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c52a69689a280a04e8f1120b3308ea9d344f8d8067ab3a97d1ee28d89c3504a3
[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" "c52a69689a280a04e8f1120b3308ea9d344f8d8067ab3a97d1ee28d89c3504a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c52a69689a280a04e8f1120b3308ea9d344f8d8067ab3a97d1ee28d89c3504a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52a69689a280a04e8f1120b3308ea9d344f8d8067ab3a97d1ee28d89c3504a3", kill_on_drop: false }`
[INFO] [stdout] c52a69689a280a04e8f1120b3308ea9d344f8d8067ab3a97d1ee28d89c3504a3
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6d874012e8471fe6d700f00f2621b04b883391b156872918d17a9b59397519
[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" "7f6d874012e8471fe6d700f00f2621b04b883391b156872918d17a9b59397519", kill_on_drop: false }`
[INFO] [stderr]  Documenting ripple v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             (_) => AudioFormat::Invalid
[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 `if` condition
[INFO] [stdout]    --> src/lib.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |         if (i + chunk_size > bytes.len()) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/lib.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             (_)  => {
[INFO] [stdout]     |             ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/lib.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         (_) => ()
[INFO] [stdout]     |         ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "7f6d874012e8471fe6d700f00f2621b04b883391b156872918d17a9b59397519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6d874012e8471fe6d700f00f2621b04b883391b156872918d17a9b59397519", kill_on_drop: false }`
[INFO] [stdout] 7f6d874012e8471fe6d700f00f2621b04b883391b156872918d17a9b59397519