[INFO] fetching crate chip8 0.1.1...
[INFO] documenting chip8-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate chip8 0.1.1 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate chip8 0.1.1 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 chip8 0.1.1
[INFO] finished tweaking crates.io crate chip8 0.1.1
[INFO] tweaked toml for crates.io crate chip8 0.1.1 written to /workspace/builds/worker-85/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] a6354fd327aa070c6c1d67c761bde98ac02946945b321d9e73895fbc4e5cc0bb
[INFO] running `Command { std: "docker" "start" "-a" "a6354fd327aa070c6c1d67c761bde98ac02946945b321d9e73895fbc4e5cc0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6354fd327aa070c6c1d67c761bde98ac02946945b321d9e73895fbc4e5cc0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6354fd327aa070c6c1d67c761bde98ac02946945b321d9e73895fbc4e5cc0bb", kill_on_drop: false }`
[INFO] [stdout] a6354fd327aa070c6c1d67c761bde98ac02946945b321d9e73895fbc4e5cc0bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 999af3aef4237d0a2acec024728b42b4809793bcce35d2ed5afcf03c318d90d5
[INFO] running `Command { std: "docker" "start" "-a" "999af3aef4237d0a2acec024728b42b4809793bcce35d2ed5afcf03c318d90d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting chip8 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn nnn(&self) -> u16 { (self.0 & 0x0fff) }
[INFO] [stdout]    |                            ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -     fn nnn(&self) -> u16 { (self.0 & 0x0fff) }
[INFO] [stdout] 27 +     fn nnn(&self) -> u16 { self.0 & 0x0fff }
[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 1.92s
[INFO] running `Command { std: "docker" "inspect" "999af3aef4237d0a2acec024728b42b4809793bcce35d2ed5afcf03c318d90d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999af3aef4237d0a2acec024728b42b4809793bcce35d2ed5afcf03c318d90d5", kill_on_drop: false }`
[INFO] [stdout] 999af3aef4237d0a2acec024728b42b4809793bcce35d2ed5afcf03c318d90d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 75723f1bc694b42d8af0f59411cc834379cb1a939f7a988abf6bb5de8a35fcb9
[INFO] running `Command { std: "docker" "start" "-a" "75723f1bc694b42d8af0f59411cc834379cb1a939f7a988abf6bb5de8a35fcb9", kill_on_drop: false }`
[INFO] [stderr]  Documenting chip8 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn nnn(&self) -> u16 { (self.0 & 0x0fff) }
[INFO] [stdout]    |                            ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -     fn nnn(&self) -> u16 { (self.0 & 0x0fff) }
[INFO] [stdout] 27 +     fn nnn(&self) -> u16 { self.0 & 0x0fff }
[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 0.82s
[INFO] running `Command { std: "docker" "inspect" "75723f1bc694b42d8af0f59411cc834379cb1a939f7a988abf6bb5de8a35fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75723f1bc694b42d8af0f59411cc834379cb1a939f7a988abf6bb5de8a35fcb9", kill_on_drop: false }`
[INFO] [stdout] 75723f1bc694b42d8af0f59411cc834379cb1a939f7a988abf6bb5de8a35fcb9