[INFO] fetching crate png_encode_mini 0.1.2...
[INFO] documenting png_encode_mini-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate png_encode_mini 0.1.2 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate png_encode_mini 0.1.2 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 png_encode_mini 0.1.2
[INFO] finished tweaking crates.io crate png_encode_mini 0.1.2
[INFO] tweaked toml for crates.io crate png_encode_mini 0.1.2 written to /workspace/builds/worker-26/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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 86435ca0f953dfcadb3a1f6093194b357cc83701320f2431144194a856e38a78
[INFO] running `Command { std: "docker" "start" "-a" "86435ca0f953dfcadb3a1f6093194b357cc83701320f2431144194a856e38a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86435ca0f953dfcadb3a1f6093194b357cc83701320f2431144194a856e38a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86435ca0f953dfcadb3a1f6093194b357cc83701320f2431144194a856e38a78", kill_on_drop: false }`
[INFO] [stdout] 86435ca0f953dfcadb3a1f6093194b357cc83701320f2431144194a856e38a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 36f890fda920bea14e8fd1acabe44d51f3424bfe7fab644e89e5f2c556d0c1ef
[INFO] running `Command { std: "docker" "start" "-a" "36f890fda920bea14e8fd1acabe44d51f3424bfe7fab644e89e5f2c556d0c1ef", kill_on_drop: false }`
[INFO] [stderr]  Documenting png_encode_mini v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout]     |                 ^                                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout] 125 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lib.rs:211:29
[INFO] [stdout]     |
[INFO] [stdout] 211 |             raw_data.extend((&image[(span as usize)..(span + width_byte_4) as usize]));
[INFO] [stdout]     |                             ^                                                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 211 -             raw_data.extend((&image[(span as usize)..(span + width_byte_4) as usize]));
[INFO] [stdout] 211 +             raw_data.extend(&image[(span as usize)..(span + width_byte_4) as usize]);
[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 1.05s
[INFO] running `Command { std: "docker" "inspect" "36f890fda920bea14e8fd1acabe44d51f3424bfe7fab644e89e5f2c556d0c1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f890fda920bea14e8fd1acabe44d51f3424bfe7fab644e89e5f2c556d0c1ef", kill_on_drop: false }`
[INFO] [stdout] 36f890fda920bea14e8fd1acabe44d51f3424bfe7fab644e89e5f2c556d0c1ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 88577361f5dcc3f7518d73708df55652fb7cd6ebd2879b99994f06c40120d24c
[INFO] running `Command { std: "docker" "start" "-a" "88577361f5dcc3f7518d73708df55652fb7cd6ebd2879b99994f06c40120d24c", kill_on_drop: false }`
[INFO] [stderr]  Documenting png_encode_mini v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout]     |                 ^                                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 -                 (n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }})
[INFO] [stdout] 125 +                 n + {if data.len() == n * CHUNK_SIZE && data.len() != 0 { 0 } else { 1 }}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lib.rs:211:29
[INFO] [stdout]     |
[INFO] [stdout] 211 |             raw_data.extend((&image[(span as usize)..(span + width_byte_4) as usize]));
[INFO] [stdout]     |                             ^                                                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 211 -             raw_data.extend((&image[(span as usize)..(span + width_byte_4) as usize]));
[INFO] [stdout] 211 +             raw_data.extend(&image[(span as usize)..(span + width_byte_4) as usize]);
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "88577361f5dcc3f7518d73708df55652fb7cd6ebd2879b99994f06c40120d24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88577361f5dcc3f7518d73708df55652fb7cd6ebd2879b99994f06c40120d24c", kill_on_drop: false }`
[INFO] [stdout] 88577361f5dcc3f7518d73708df55652fb7cd6ebd2879b99994f06c40120d24c