[INFO] fetching crate pixel 0.1.3...
[INFO] documenting pixel-0.1.3 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate pixel 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate pixel 0.1.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixel 0.1.3
[INFO] finished tweaking crates.io crate pixel 0.1.3
[INFO] tweaked toml for crates.io crate pixel 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29c1f146349586d3b271fa961b1121e3661446263e9f8e274cf6494e0f431714
[INFO] running `Command { std: "docker" "start" "-a" "29c1f146349586d3b271fa961b1121e3661446263e9f8e274cf6494e0f431714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c1f146349586d3b271fa961b1121e3661446263e9f8e274cf6494e0f431714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c1f146349586d3b271fa961b1121e3661446263e9f8e274cf6494e0f431714", kill_on_drop: false }`
[INFO] [stdout] 29c1f146349586d3b271fa961b1121e3661446263e9f8e274cf6494e0f431714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b73590cd6364a365a911c1a7f9dba49747a81c65069cd4790208efbff7ef8820
[INFO] running `Command { std: "docker" "start" "-a" "b73590cd6364a365a911c1a7f9dba49747a81c65069cd4790208efbff7ef8820", kill_on_drop: false }`
[INFO] [stderr]  Documenting pixel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/color/utils.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         ((green - blue) / color)
[INFO] [stdout]    |         ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         ((green - blue) / color)
[INFO] [stdout] 28 +         (green - blue) / color
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/color/blending.rs:146:91
[INFO] [stdout]     |
[INFO] [stdout] 146 |         HardLight => op_on_channels(backdrop, source, |b, s| if s <= 0.5 { b * s } else { (1.0 - (1.0 - b) * (1.0 - s)) } ),
[INFO] [stdout]     |                                                                                           ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 -         HardLight => op_on_channels(backdrop, source, |b, s| if s <= 0.5 { b * s } else { (1.0 - (1.0 - b) * (1.0 - s)) } ),
[INFO] [stdout] 146 +         HardLight => op_on_channels(backdrop, source, |b, s| if s <= 0.5 { b * s } else { 1.0 - (1.0 - b) * (1.0 - s) } ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pixel`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name pixel src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=30d0eb893a0f50b4 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b73590cd6364a365a911c1a7f9dba49747a81c65069cd4790208efbff7ef8820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73590cd6364a365a911c1a7f9dba49747a81c65069cd4790208efbff7ef8820", kill_on_drop: false }`
[INFO] [stdout] b73590cd6364a365a911c1a7f9dba49747a81c65069cd4790208efbff7ef8820
