[INFO] fetching crate futures-rate 0.1.5...
[INFO] documenting futures-rate-0.1.5 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate futures-rate 0.1.5 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate futures-rate 0.1.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-rate 0.1.5
[INFO] finished tweaking crates.io crate futures-rate 0.1.5
[INFO] tweaked toml for crates.io crate futures-rate 0.1.5 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate futures-rate 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c5b2054997783b00d6c8f72de8b01b2e07b78e3949f6488a358f4ae4e7dd5f8
[INFO] running `Command { std: "docker" "start" "-a" "3c5b2054997783b00d6c8f72de8b01b2e07b78e3949f6488a358f4ae4e7dd5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5b2054997783b00d6c8f72de8b01b2e07b78e3949f6488a358f4ae4e7dd5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5b2054997783b00d6c8f72de8b01b2e07b78e3949f6488a358f4ae4e7dd5f8", kill_on_drop: false }`
[INFO] [stdout] 3c5b2054997783b00d6c8f72de8b01b2e07b78e3949f6488a358f4ae4e7dd5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b1feebc865e35433c4bd508ccc1fea47ff6fa40ef9a45413397ff40b00337f
[INFO] running `Command { std: "docker" "start" "-a" "54b1feebc865e35433c4bd508ccc1fea47ff6fa40ef9a45413397ff40b00337f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]  Documenting futures-rate v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/gatekeeper.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | /             (
[INFO] [stdout] 105 | |                 async move {
[INFO] [stdout] 106 | |                     ticket.await?;
[INFO] [stdout] 107 | |                     Ok(fut.await)
[INFO] [stdout] 108 | |                 }
[INFO] [stdout] 109 | |                 //            Token {},
[INFO] [stdout] 110 | |             ),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 |             async move {
[INFO] [stdout] 105 |                     ticket.await?;
[INFO] [stdout] 106 |                     Ok(fut.await)
[INFO] [stdout] 107 |                 }
[INFO] [stdout] 108 |                 //            Token {},,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "54b1feebc865e35433c4bd508ccc1fea47ff6fa40ef9a45413397ff40b00337f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b1feebc865e35433c4bd508ccc1fea47ff6fa40ef9a45413397ff40b00337f", kill_on_drop: false }`
[INFO] [stdout] 54b1feebc865e35433c4bd508ccc1fea47ff6fa40ef9a45413397ff40b00337f
