[INFO] fetching crate aci_png 0.8.0-pre0...
[INFO] documenting aci_png-0.8.0-pre0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate aci_png 0.8.0-pre0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate aci_png 0.8.0-pre0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aci_png 0.8.0-pre0
[INFO] finished tweaking crates.io crate aci_png 0.8.0-pre0
[INFO] tweaked toml for crates.io crate aci_png 0.8.0-pre0 written to /workspace/builds/worker-7-tc1/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" "+1.69.0" "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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded afi v0.8.0-pre0
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e28628a4c32332211ed82987477c3b1d171b314da9f7385d6334714958d56837
[INFO] running `Command { std: "docker" "start" "-a" "e28628a4c32332211ed82987477c3b1d171b314da9f7385d6334714958d56837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28628a4c32332211ed82987477c3b1d171b314da9f7385d6334714958d56837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28628a4c32332211ed82987477c3b1d171b314da9f7385d6334714958d56837", kill_on_drop: false }`
[INFO] [stdout] e28628a4c32332211ed82987477c3b1d171b314da9f7385d6334714958d56837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 417c7776d7fbcae701d617f11e2d6884be291097a87410c094d7f695486d1664
[INFO] running `Command { std: "docker" "start" "-a" "417c7776d7fbcae701d617f11e2d6884be291097a87410c094d7f695486d1664", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking afi v0.8.0-pre0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]  Documenting aci_png v0.8.0-pre0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/png.rs:665:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     -> Result<(Vec<u8>), Error>
[INFO] [stdout]     |               ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 665 -     -> Result<(Vec<u8>), Error>
[INFO] [stdout] 665 +     -> Result<Vec<u8>, Error>
[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 1.51s
[INFO] running `Command { std: "docker" "inspect" "417c7776d7fbcae701d617f11e2d6884be291097a87410c094d7f695486d1664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417c7776d7fbcae701d617f11e2d6884be291097a87410c094d7f695486d1664", kill_on_drop: false }`
[INFO] [stdout] 417c7776d7fbcae701d617f11e2d6884be291097a87410c094d7f695486d1664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c6b16ab2830e99731d53a17f877a5262f0b91d39a4195358e6e4ca8d4e608d
[INFO] running `Command { std: "docker" "start" "-a" "c6c6b16ab2830e99731d53a17f877a5262f0b91d39a4195358e6e4ca8d4e608d", kill_on_drop: false }`
[INFO] [stderr]  Documenting aci_png v0.8.0-pre0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/png.rs:665:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     -> Result<(Vec<u8>), Error>
[INFO] [stdout]     |               ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 665 -     -> Result<(Vec<u8>), Error>
[INFO] [stdout] 665 +     -> Result<Vec<u8>, Error>
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "c6c6b16ab2830e99731d53a17f877a5262f0b91d39a4195358e6e4ca8d4e608d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c6b16ab2830e99731d53a17f877a5262f0b91d39a4195358e6e4ca8d4e608d", kill_on_drop: false }`
[INFO] [stdout] c6c6b16ab2830e99731d53a17f877a5262f0b91d39a4195358e6e4ca8d4e608d
