[INFO] cloning repository https://github.com/cmaves/bg-setter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmaves/bg-setter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fbg-setter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fbg-setter'...
[INFO] [stderr] fatal: error closing file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fbg-setter/packed-refs.new: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/cmaves/bg-setter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmaves/bg-setter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fbg-setter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fbg-setter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56ee92f80a181ceab9e0fd16d846a48e428e33ad
[INFO] checking cmaves/bg-setter against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2Fbg-setter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cmaves/bg-setter
[INFO] finished tweaking git repo https://github.com/cmaves/bg-setter
[INFO] tweaked toml for git repo https://github.com/cmaves/bg-setter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cmaves/bg-setter on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cmaves/bg-setter 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.22.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e00a5015f743e3aa6400462be1cd9e08e207ab455ad8d38a87bd0a6f345b31a
[INFO] running `Command { std: "docker" "start" "-a" "8e00a5015f743e3aa6400462be1cd9e08e207ab455ad8d38a87bd0a6f345b31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e00a5015f743e3aa6400462be1cd9e08e207ab455ad8d38a87bd0a6f345b31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e00a5015f743e3aa6400462be1cd9e08e207ab455ad8d38a87bd0a6f345b31a", kill_on_drop: false }`
[INFO] [stdout] 8e00a5015f743e3aa6400462be1cd9e08e207ab455ad8d38a87bd0a6f345b31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6913b5ccce31927fa0e6696b76d65b70f3db4aebed94addca4f81e3aa16dc8
[INFO] running `Command { std: "docker" "start" "-a" "0b6913b5ccce31927fa0e6696b76d65b70f3db4aebed94addca4f81e3aa16dc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking bg-setter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `static`
[INFO] [stdout]   --> src/ffi_image.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "static", link(name = "xcb-image", kind = "static"))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `r#static` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `static`
[INFO] [stdout]   --> src/ffi_image.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(not(feature = "static"), link(name = "xcb-image"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `r#static` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Connection`, `Pixmap`, `Screen`, and `Window`
[INFO] [stdout]  --> src/lib.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use xcb::{Connection,ConnError,Pixmap,Screen,Window};
[INFO] [stdout]   |           ^^^^^^^^^^           ^^^^^^ ^^^^^^ ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `div_duration` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(div_duration)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `static`
[INFO] [stdout]   --> src/ffi_image.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "static", link(name = "xcb-image", kind = "static"))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `r#static` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `static`
[INFO] [stdout]   --> src/ffi_image.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(not(feature = "static"), link(name = "xcb-image"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `r#static` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread`
[INFO] [stdout]   --> src/shm_img.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[cfg(feature = "thread")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `thread` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Connection`, `Pixmap`, `Screen`, and `Window`
[INFO] [stdout]  --> src/lib.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use xcb::{Connection,ConnError,Pixmap,Screen,Window};
[INFO] [stdout]   |           ^^^^^^^^^^           ^^^^^^ ^^^^^^ ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `div_duration` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(div_duration)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/lib.rs:308:7
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let start = Instant::now();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/lib.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Root {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 28 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rgb_to_zpix` is never used
[INFO] [stdout]    --> src/lib.rs:358:4
[INFO] [stdout]     |
[INFO] [stdout] 358 | fn rgb_to_zpix(r: u8, g: u8, b: u8, order: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_annotate` is never used
[INFO] [stdout]   --> src/ffi_image.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn xcb_image_annotate(image: *mut xcb_image_t);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_create_native` is never used
[INFO] [stdout]   --> src/ffi_image.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn xcb_image_create_native(c: *mut xcb_connection_t, width: u16, height: u16, format: xcb_image_format_t, depth: u8, base: *mut c_vo...
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_put_pixel` is never used
[INFO] [stdout]   --> src/ffi_image.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn xcb_image_put_pixel(image: *mut xcb_image_t, x: u32, y: u32, pixel: u32);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_convert` is never used
[INFO] [stdout]   --> src/ffi_image.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn xcb_image_convert(src: *const xcb_image_t, dst: *mut xcb_image_t) -> *mut xcb_image_t;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_subimage` is never used
[INFO] [stdout]   --> src/ffi_image.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn xcb_image_subimage(image: *const xcb_image_t, x: u32, y: u32, width: u32, height: u32, base: *mut c_void, bytes: u32, data: *mut ...
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `annotate` and `put` are never used
[INFO] [stdout]   --> src/shm_img.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl BaseImage {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 25 |     pub fn annotate(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn put(&mut self, x: u32, y: u32, pixel: u32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/shm_img.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Image<'conn> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |     width:  u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     height: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `resize`, `restore`, `actual_width`, and `actual_height` are never used
[INFO] [stdout]    --> src/shm_img.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Image<'_> {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] 138 |     pub fn resize(&mut self, width: u16, height: u16) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn restore(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn actual_width(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn actual_height(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area` is never used
[INFO] [stdout]    --> src/shm_img.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn area<'a>(c: &xcb::Connection, drawable: xcb::Drawable, output: &'a mut Image<'a>, x: i16, y: i16, width: u16, height: u16, plane_m...
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 |             self.resize_shm(rgb);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let _ = self.resize_shm(rgb);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | /                 shm_img::put(&self.conn, pid, self.gc, &self.shm_img, 0, 0, 
[INFO] [stdout] 260 | |                     x as i16, y as i16, width as u16, height as u16, false);
[INFO] [stdout]     | |___________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let _ = shm_img::put(&self.conn, pid, self.gc, &self.shm_img, 0, 0, 
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:293:3
[INFO] [stdout]     |
[INFO] [stdout] 293 |         self.fade_abs(screen, x, y , rgb, secs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let _ = self.fade_abs(screen, x, y , rgb, secs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/shm_img.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn create(c: &xcb::Connection, depth: u8, width: u16, height: u16) -> Result<Image, ()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ the lifetime is elided here                    ----- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn create(c: &xcb::Connection, depth: u8, width: u16, height: u16) -> Result<Image<'_>, ()> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/lib.rs:308:7
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let start = Instant::now();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/lib.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Root {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 28 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rgb_to_zpix` is never used
[INFO] [stdout]    --> src/lib.rs:358:4
[INFO] [stdout]     |
[INFO] [stdout] 358 | fn rgb_to_zpix(r: u8, g: u8, b: u8, order: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_annotate` is never used
[INFO] [stdout]   --> src/ffi_image.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn xcb_image_annotate(image: *mut xcb_image_t);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_create_native` is never used
[INFO] [stdout]   --> src/ffi_image.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn xcb_image_create_native(c: *mut xcb_connection_t, width: u16, height: u16, format: xcb_image_format_t, depth: u8, base: *mut c_vo...
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_put_pixel` is never used
[INFO] [stdout]   --> src/ffi_image.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn xcb_image_put_pixel(image: *mut xcb_image_t, x: u32, y: u32, pixel: u32);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_convert` is never used
[INFO] [stdout]   --> src/ffi_image.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn xcb_image_convert(src: *const xcb_image_t, dst: *mut xcb_image_t) -> *mut xcb_image_t;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xcb_image_subimage` is never used
[INFO] [stdout]   --> src/ffi_image.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn xcb_image_subimage(image: *const xcb_image_t, x: u32, y: u32, width: u32, height: u32, base: *mut c_void, bytes: u32, data: *mut ...
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `annotate` and `put` are never used
[INFO] [stdout]   --> src/shm_img.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl BaseImage {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 25 |     pub fn annotate(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn put(&mut self, x: u32, y: u32, pixel: u32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/shm_img.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Image<'conn> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |     width:  u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     height: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `resize`, `restore`, `actual_width`, and `actual_height` are never used
[INFO] [stdout]    --> src/shm_img.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Image<'_> {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] 138 |     pub fn resize(&mut self, width: u16, height: u16) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn restore(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn actual_width(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn actual_height(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area` is never used
[INFO] [stdout]    --> src/shm_img.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn area<'a>(c: &xcb::Connection, drawable: xcb::Drawable, output: &'a mut Image<'a>, x: i16, y: i16, width: u16, height: u16, plane_m...
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 |             self.resize_shm(rgb);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let _ = self.resize_shm(rgb);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | /                 shm_img::put(&self.conn, pid, self.gc, &self.shm_img, 0, 0, 
[INFO] [stdout] 260 | |                     x as i16, y as i16, width as u16, height as u16, false);
[INFO] [stdout]     | |___________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let _ = shm_img::put(&self.conn, pid, self.gc, &self.shm_img, 0, 0, 
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:293:3
[INFO] [stdout]     |
[INFO] [stdout] 293 |         self.fade_abs(screen, x, y , rgb, secs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let _ = self.fade_abs(screen, x, y , rgb, secs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/shm_img.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn create(c: &xcb::Connection, depth: u8, width: u16, height: u16) -> Result<Image, ()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ the lifetime is elided here                    ----- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn create(c: &xcb::Connection, depth: u8, width: u16, height: u16) -> Result<Image<'_>, ()> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `images` should have an upper case name
[INFO] [stdout]   --> tests/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     static ref images: Vec<RgbImage> = {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 10 -     static ref images: Vec<RgbImage> = {
[INFO] [stdout] 10 +     static ref IMAGES: Vec<RgbImage> = {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> tests/lib.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let imgs = paths.into_iter().map(|x|{
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let imgs = paths.into_iter().map(|x|{
[INFO] [stdout] 16 +         let imgs = paths.iter().map(|x|{
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let imgs = paths.into_iter().map(|x|{
[INFO] [stdout] 16 +         let imgs = IntoIterator::into_iter(paths).map(|x|{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.89s
[INFO] running `Command { std: "docker" "inspect" "0b6913b5ccce31927fa0e6696b76d65b70f3db4aebed94addca4f81e3aa16dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6913b5ccce31927fa0e6696b76d65b70f3db4aebed94addca4f81e3aa16dc8", kill_on_drop: false }`
[INFO] [stdout] 0b6913b5ccce31927fa0e6696b76d65b70f3db4aebed94addca4f81e3aa16dc8
