[INFO] fetching crate simple_ml 0.3.2...
[INFO] documenting simple_ml-0.3.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate simple_ml 0.3.2 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate simple_ml 0.3.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_ml 0.3.2
[INFO] finished tweaking crates.io crate simple_ml 0.3.2
[INFO] tweaked toml for crates.io crate simple_ml 0.3.2 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate simple_ml 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a52f001647f557fb4fed51f2a4e420bc69b14de2b26a34f4dd57c6c3ba508c8
[INFO] running `Command { std: "docker" "start" "-a" "4a52f001647f557fb4fed51f2a4e420bc69b14de2b26a34f4dd57c6c3ba508c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a52f001647f557fb4fed51f2a4e420bc69b14de2b26a34f4dd57c6c3ba508c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a52f001647f557fb4fed51f2a4e420bc69b14de2b26a34f4dd57c6c3ba508c8", kill_on_drop: false }`
[INFO] [stdout] 4a52f001647f557fb4fed51f2a4e420bc69b14de2b26a34f4dd57c6c3ba508c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a57dc57fcefd240ddad58ee2366cdddb1d3884234bc0e492c038dd36fce71fb
[INFO] running `Command { std: "docker" "start" "-a" "1a57dc57fcefd240ddad58ee2366cdddb1d3884234bc0e492c038dd36fce71fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting simple_ml v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/lib.rs:1858:13
[INFO] [stdout]      |
[INFO] [stdout] 1858 |             (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))
[INFO] [stdout]      |             ^
[INFO] [stdout] 1859 |                 * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))))
[INFO] [stdout]      |                                                                                       ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1858 ~             a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))
[INFO] [stdout] 1859 ~                 * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/lib.rs:3774:9
[INFO] [stdout]      |
[INFO] [stdout] 3774 |         (actual / larger as f64)
[INFO] [stdout]      |         ^                      ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3774 -         (actual / larger as f64)
[INFO] [stdout] 3774 +         actual / larger 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 4.15s
[INFO] running `Command { std: "docker" "inspect" "1a57dc57fcefd240ddad58ee2366cdddb1d3884234bc0e492c038dd36fce71fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a57dc57fcefd240ddad58ee2366cdddb1d3884234bc0e492c038dd36fce71fb", kill_on_drop: false }`
[INFO] [stdout] 1a57dc57fcefd240ddad58ee2366cdddb1d3884234bc0e492c038dd36fce71fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 60cdeb3df072572e5a5f05fa610e98ce0e4e9dd931c2ca11f0b5de6308acbf06
[INFO] running `Command { std: "docker" "start" "-a" "60cdeb3df072572e5a5f05fa610e98ce0e4e9dd931c2ca11f0b5de6308acbf06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting simple_ml v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/lib.rs:1858:13
[INFO] [stdout]      |
[INFO] [stdout] 1858 |             (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))
[INFO] [stdout]      |             ^
[INFO] [stdout] 1859 |                 * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))))
[INFO] [stdout]      |                                                                                       ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1858 ~             a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))
[INFO] [stdout] 1859 ~                 * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/lib.rs:3774:9
[INFO] [stdout]      |
[INFO] [stdout] 3774 |         (actual / larger as f64)
[INFO] [stdout]      |         ^                      ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3774 -         (actual / larger as f64)
[INFO] [stdout] 3774 +         actual / larger 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 4.72s
[INFO] running `Command { std: "docker" "inspect" "60cdeb3df072572e5a5f05fa610e98ce0e4e9dd931c2ca11f0b5de6308acbf06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cdeb3df072572e5a5f05fa610e98ce0e4e9dd931c2ca11f0b5de6308acbf06", kill_on_drop: false }`
[INFO] [stdout] 60cdeb3df072572e5a5f05fa610e98ce0e4e9dd931c2ca11f0b5de6308acbf06