[INFO] fetching crate libwebp-sys2 0.2.0...
[INFO] linting libwebp-sys2-0.2.0 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate libwebp-sys2 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate libwebp-sys2 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libwebp-sys2 0.2.0
[INFO] tweaked toml for crates.io crate libwebp-sys2 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libwebp-sys2 0.2.0 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libwebp-sys2 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libwebp-sys2 v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98bc833a7dc58322fce9d8cd720bf70ba360aa5e48cc27547c6f9a2809a94388
[INFO] running `Command { std: "docker" "start" "-a" "98bc833a7dc58322fce9d8cd720bf70ba360aa5e48cc27547c6f9a2809a94388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98bc833a7dc58322fce9d8cd720bf70ba360aa5e48cc27547c6f9a2809a94388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bc833a7dc58322fce9d8cd720bf70ba360aa5e48cc27547c6f9a2809a94388", kill_on_drop: false }`
[INFO] [stdout] 98bc833a7dc58322fce9d8cd720bf70ba360aa5e48cc27547c6f9a2809a94388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4a70561d1663d8223ea3c8ae5885c8caaeb8a795c37147d0ab5f658f8e1b75
[INFO] running `Command { std: "docker" "start" "-a" "7e4a70561d1663d8223ea3c8ae5885c8caaeb8a795c37147d0ab5f658f8e1b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling libwebp-sys2 v0.1.11
[INFO] [stderr]    Compiling libwebp-sys2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> build.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |       if !want_static &&
[INFO] [stdout]    |  ________^
[INFO] [stdout] 20 | |        !target.contains("msvc") && // pkg-config just never works here
[INFO] [stdout] 21 | |        !(host_and_target_contain("apple") ||
[INFO] [stdout] 22 | |          host_and_target_contain("freebsd") ||
[INFO] [stdout] 23 | |          host_and_target_contain("dragonfly"))
[INFO] [stdout]    | |______________________________________________^ help: try: `!(want_static || target.contains("msvc") || host_and_target_contain("apple") || host_and_target_contain("freebsd") || host_and_target_contain("dragonfly"))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `unwrap_or` to construct default value
[INFO] [stdout]   --> build.rs:18:68
[INFO] [stdout]    |
[INFO] [stdout] 18 |         cfg!(feature = "static") || env::var("LIBWEBP_SYS_STATIC").unwrap_or(String::new()) == "1";
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> build.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     if target.contains("msvc") {
[INFO] [stdout] 39 | |         if try_vcpkg() {
[INFO] [stdout] 40 | |             return;
[INFO] [stdout] 41 | |         }
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 38 ~     if target.contains("msvc")
[INFO] [stdout] 39 ~         && try_vcpkg() {
[INFO] [stdout] 40 |             return;
[INFO] [stdout] 41 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:190:1
[INFO] [stdout]     |
[INFO] [stdout] 190 | / pub unsafe extern "C" fn WebPIDecGetYUV(
[INFO] [stdout] 191 | |     idec: *const WebPIDecoder,
[INFO] [stdout] 192 | |     last_y: *mut c_int,
[INFO] [stdout] 193 | |     u: *mut *mut u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |     uv_stride: *mut c_int,
[INFO] [stdout] 199 | | ) -> *mut u8 {
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout]     = note: `#[warn(clippy::missing_safety_doc)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:654:1
[INFO] [stdout]     |
[INFO] [stdout] 654 | pub unsafe extern "C" fn WebPInitDecBuffer(buffer: *mut WebPDecBuffer) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:671:1
[INFO] [stdout]     |
[INFO] [stdout] 671 | / pub unsafe extern "C" fn WebPGetFeatures(
[INFO] [stdout] 672 | |     data: *const u8,
[INFO] [stdout] 673 | |     data_size: usize,
[INFO] [stdout] 674 | |     features: *mut WebPBitstreamFeatures,
[INFO] [stdout] 675 | | ) -> VP8StatusCode {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:685:1
[INFO] [stdout]     |
[INFO] [stdout] 685 | pub unsafe extern "C" fn WebPInitDecoderConfig(config: *mut WebPDecoderConfig) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/encode.rs:757:1
[INFO] [stdout]     |
[INFO] [stdout] 757 | pub unsafe extern "C" fn WebPConfigInit(config: *mut WebPConfig) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/encode.rs:775:1
[INFO] [stdout]     |
[INFO] [stdout] 775 | / pub unsafe extern "C" fn WebPConfigPreset(
[INFO] [stdout] 776 | |     config: *mut WebPConfig,
[INFO] [stdout] 777 | |     preset: WebPPreset,
[INFO] [stdout] 778 | |     quality: c_float,
[INFO] [stdout] 779 | | ) -> c_int {
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/encode.rs:790:1
[INFO] [stdout]     |
[INFO] [stdout] 790 | pub unsafe extern "C" fn WebPPictureInit(picture: *mut WebPPicture) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:190:1
[INFO] [stdout]     |
[INFO] [stdout] 190 | / pub unsafe extern "C" fn WebPIDecGetYUV(
[INFO] [stdout] 191 | |     idec: *const WebPIDecoder,
[INFO] [stdout] 192 | |     last_y: *mut c_int,
[INFO] [stdout] 193 | |     u: *mut *mut u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |     uv_stride: *mut c_int,
[INFO] [stdout] 199 | | ) -> *mut u8 {
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout]     = note: `#[warn(clippy::missing_safety_doc)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:654:1
[INFO] [stdout]     |
[INFO] [stdout] 654 | pub unsafe extern "C" fn WebPInitDecBuffer(buffer: *mut WebPDecBuffer) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:671:1
[INFO] [stdout]     |
[INFO] [stdout] 671 | / pub unsafe extern "C" fn WebPGetFeatures(
[INFO] [stdout] 672 | |     data: *const u8,
[INFO] [stdout] 673 | |     data_size: usize,
[INFO] [stdout] 674 | |     features: *mut WebPBitstreamFeatures,
[INFO] [stdout] 675 | | ) -> VP8StatusCode {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/decode.rs:685:1
[INFO] [stdout]     |
[INFO] [stdout] 685 | pub unsafe extern "C" fn WebPInitDecoderConfig(config: *mut WebPDecoderConfig) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/encode.rs:757:1
[INFO] [stdout]     |
[INFO] [stdout] 757 | pub unsafe extern "C" fn WebPConfigInit(config: *mut WebPConfig) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/encode.rs:775:1
[INFO] [stdout]     |
[INFO] [stdout] 775 | / pub unsafe extern "C" fn WebPConfigPreset(
[INFO] [stdout] 776 | |     config: *mut WebPConfig,
[INFO] [stdout] 777 | |     preset: WebPPreset,
[INFO] [stdout] 778 | |     quality: c_float,
[INFO] [stdout] 779 | | ) -> c_int {
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unsafe function's docs are missing a `# Safety` section
[INFO] [stdout]    --> src/encode.rs:790:1
[INFO] [stdout]     |
[INFO] [stdout] 790 | pub unsafe extern "C" fn WebPPictureInit(picture: *mut WebPPicture) -> c_int {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `libwebp_sys::WebPInitDecBuffer` that must be used
[INFO] [stdout]  --> tests/decode.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         WebPInitDecBuffer(&mut buf);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let _ = WebPInitDecBuffer(&mut buf);
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "7e4a70561d1663d8223ea3c8ae5885c8caaeb8a795c37147d0ab5f658f8e1b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4a70561d1663d8223ea3c8ae5885c8caaeb8a795c37147d0ab5f658f8e1b75", kill_on_drop: false }`
[INFO] [stdout] 7e4a70561d1663d8223ea3c8ae5885c8caaeb8a795c37147d0ab5f658f8e1b75