[INFO] fetching crate rusty_coin 0.2.4...
[INFO] documenting rusty_coin-0.2.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rusty_coin 0.2.4 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate rusty_coin 0.2.4 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty_coin 0.2.4
[INFO] finished tweaking crates.io crate rusty_coin 0.2.4
[INFO] tweaked toml for crates.io crate rusty_coin 0.2.4 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6267bf249c300ed0ac8ecbe2d2e93441c11ae12dc543b25f28d5bff39d5e51b2
[INFO] running `Command { std: "docker" "start" "-a" "6267bf249c300ed0ac8ecbe2d2e93441c11ae12dc543b25f28d5bff39d5e51b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6267bf249c300ed0ac8ecbe2d2e93441c11ae12dc543b25f28d5bff39d5e51b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6267bf249c300ed0ac8ecbe2d2e93441c11ae12dc543b25f28d5bff39d5e51b2", kill_on_drop: false }`
[INFO] [stdout] 6267bf249c300ed0ac8ecbe2d2e93441c11ae12dc543b25f28d5bff39d5e51b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df30a18478cdccc8c999ee7b3e75ff3e021f8e7c4ec195c8b3747512793c648
[INFO] running `Command { std: "docker" "start" "-a" "1df30a18478cdccc8c999ee7b3e75ff3e021f8e7c4ec195c8b3747512793c648", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rusty_coin v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/rc/rates.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Rate::new(((1.0 + self.rate as f64).powf(1.0 / num_periods as f64) - 1.0))
[INFO] [stdout]    |                   ^                                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         Rate::new(((1.0 + self.rate as f64).powf(1.0 / num_periods as f64) - 1.0))
[INFO] [stdout] 67 +         Rate::new((1.0 + self.rate as f64).powf(1.0 / num_periods as f64) - 1.0)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/rc/cashflow.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |             .powf((2.0 * ind as f64)))
[INFO] [stdout]    |                   ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -             .powf((2.0 * ind as f64)))
[INFO] [stdout] 33 +             .powf(2.0 * ind as f64))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "1df30a18478cdccc8c999ee7b3e75ff3e021f8e7c4ec195c8b3747512793c648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df30a18478cdccc8c999ee7b3e75ff3e021f8e7c4ec195c8b3747512793c648", kill_on_drop: false }`
[INFO] [stdout] 1df30a18478cdccc8c999ee7b3e75ff3e021f8e7c4ec195c8b3747512793c648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7490dfc2baa0403a16320a58edf7d2f443950dcde708d72d911d8215982cc996
[INFO] running `Command { std: "docker" "start" "-a" "7490dfc2baa0403a16320a58edf7d2f443950dcde708d72d911d8215982cc996", kill_on_drop: false }`
[INFO] [stderr]  Documenting rusty_coin v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/rc/rates.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Rate::new(((1.0 + self.rate as f64).powf(1.0 / num_periods as f64) - 1.0))
[INFO] [stdout]    |                   ^                                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         Rate::new(((1.0 + self.rate as f64).powf(1.0 / num_periods as f64) - 1.0))
[INFO] [stdout] 67 +         Rate::new((1.0 + self.rate as f64).powf(1.0 / num_periods as f64) - 1.0)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/rc/cashflow.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |             .powf((2.0 * ind as f64)))
[INFO] [stdout]    |                   ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -             .powf((2.0 * ind as f64)))
[INFO] [stdout] 33 +             .powf(2.0 * ind as f64))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "7490dfc2baa0403a16320a58edf7d2f443950dcde708d72d911d8215982cc996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7490dfc2baa0403a16320a58edf7d2f443950dcde708d72d911d8215982cc996", kill_on_drop: false }`
[INFO] [stdout] 7490dfc2baa0403a16320a58edf7d2f443950dcde708d72d911d8215982cc996