[INFO] fetching crate libwave 0.1.2...
[INFO] documenting libwave-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate libwave 0.1.2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate libwave 0.1.2 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 libwave 0.1.2
[INFO] finished tweaking crates.io crate libwave 0.1.2
[INFO] tweaked toml for crates.io crate libwave 0.1.2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 5a1b8ba91edb221e53b92f77463aa7d7080f7de3a0e251dc249412a85220a2c8
[INFO] running `Command { std: "docker" "start" "-a" "5a1b8ba91edb221e53b92f77463aa7d7080f7de3a0e251dc249412a85220a2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1b8ba91edb221e53b92f77463aa7d7080f7de3a0e251dc249412a85220a2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1b8ba91edb221e53b92f77463aa7d7080f7de3a0e251dc249412a85220a2c8", kill_on_drop: false }`
[INFO] [stdout] 5a1b8ba91edb221e53b92f77463aa7d7080f7de3a0e251dc249412a85220a2c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 298b54a57855f305af9ef262065119e1c3868808a13a39570e7c6961843a4a4b
[INFO] running `Command { std: "docker" "start" "-a" "298b54a57855f305af9ef262065119e1c3868808a13a39570e7c6961843a4a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]  Documenting libwave v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/sample.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             used += (size as usize);
[INFO] [stdout]    |                     ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -             used += (size as usize);
[INFO] [stdout] 59 +             used += size as usize;
[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 3.30s
[INFO] running `Command { std: "docker" "inspect" "298b54a57855f305af9ef262065119e1c3868808a13a39570e7c6961843a4a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298b54a57855f305af9ef262065119e1c3868808a13a39570e7c6961843a4a4b", kill_on_drop: false }`
[INFO] [stdout] 298b54a57855f305af9ef262065119e1c3868808a13a39570e7c6961843a4a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 487e2b2d3d15009e66f4969751044cc371fee4859665065e36ded0a8e76ec008
[INFO] running `Command { std: "docker" "start" "-a" "487e2b2d3d15009e66f4969751044cc371fee4859665065e36ded0a8e76ec008", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]  Documenting libwave v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/sample.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             used += (size as usize);
[INFO] [stdout]    |                     ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -             used += (size as usize);
[INFO] [stdout] 59 +             used += size as usize;
[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 4.04s
[INFO] running `Command { std: "docker" "inspect" "487e2b2d3d15009e66f4969751044cc371fee4859665065e36ded0a8e76ec008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487e2b2d3d15009e66f4969751044cc371fee4859665065e36ded0a8e76ec008", kill_on_drop: false }`
[INFO] [stdout] 487e2b2d3d15009e66f4969751044cc371fee4859665065e36ded0a8e76ec008