[INFO] fetching crate pixel 0.1.3...
[INFO] documenting pixel-0.1.3 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate pixel 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pixel 0.1.3 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f4aa2541e451e656806fc1c55ca0903b91edeaaf57f288e295b93275e0e7e55
[INFO] running `Command { std: "docker" "start" "-a" "6f4aa2541e451e656806fc1c55ca0903b91edeaaf57f288e295b93275e0e7e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f4aa2541e451e656806fc1c55ca0903b91edeaaf57f288e295b93275e0e7e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4aa2541e451e656806fc1c55ca0903b91edeaaf57f288e295b93275e0e7e55", kill_on_drop: false }`
[INFO] [stdout] 6f4aa2541e451e656806fc1c55ca0903b91edeaaf57f288e295b93275e0e7e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af4037ff0671e08ef8853e851c069ae0ff1799e4be9a7045592907373ac80f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3af4037ff0671e08ef8853e851c069ae0ff1799e4be9a7045592907373ac80f1", kill_on_drop: false }`
[INFO] [stderr]  Documenting pixel v0.1.3 (/opt/rustwide/workdir)
[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]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "3af4037ff0671e08ef8853e851c069ae0ff1799e4be9a7045592907373ac80f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af4037ff0671e08ef8853e851c069ae0ff1799e4be9a7045592907373ac80f1", kill_on_drop: false }`
[INFO] [stdout] 3af4037ff0671e08ef8853e851c069ae0ff1799e4be9a7045592907373ac80f1