[INFO] cloning repository https://github.com/drojf/SpriteZip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drojf/SpriteZip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrojf%2FSpriteZip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrojf%2FSpriteZip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd47657ab77310d0d4f57d993b3b7ca527ef2e31
[INFO] checking drojf/SpriteZip against master#f557a4fd462a779c92e4e8bd004426cf329efb30 for pr-111063-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrojf%2FSpriteZip" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drojf/SpriteZip on toolchain f557a4fd462a779c92e4e8bd004426cf329efb30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drojf/SpriteZip
[INFO] finished tweaking git repo https://github.com/drojf/SpriteZip
[INFO] tweaked toml for git repo https://github.com/drojf/SpriteZip written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/drojf/SpriteZip 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" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a40f87167c6b446ad27ee46ef33b231fee7718e9a43caa40e7e8cc95e91cdee
[INFO] running `Command { std: "docker" "start" "-a" "9a40f87167c6b446ad27ee46ef33b231fee7718e9a43caa40e7e8cc95e91cdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a40f87167c6b446ad27ee46ef33b231fee7718e9a43caa40e7e8cc95e91cdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a40f87167c6b446ad27ee46ef33b231fee7718e9a43caa40e7e8cc95e91cdee", kill_on_drop: false }`
[INFO] [stdout] 9a40f87167c6b446ad27ee46ef33b231fee7718e9a43caa40e7e8cc95e91cdee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b423a669aa619a611046678758da6f5564fdf75ccd019319cd98fc1d77b1603
[INFO] running `Command { std: "docker" "start" "-a" "2b423a669aa619a611046678758da6f5564fdf75ccd019319cd98fc1d77b1603", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `img_count`
[INFO] [stdout]    --> src/common.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |     for (img_count, ent) in FileTypeIterator::new(input_folder, "png").enumerate()
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_img_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `debug_difference_count` is assigned to, but never used
[INFO] [stdout]    --> src/compress.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut debug_difference_count = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_debug_difference_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_buf_to_u32_big_endian` is never used
[INFO] [stdout]    --> src/common.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn u8_buf_to_u32_big_endian(buf : &[u8; 4]) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_stream_to_u32_big_endian` is never used
[INFO] [stdout]    --> src/common.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut dyn Read) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_png_dimensions` is never used
[INFO] [stdout]    --> src/common.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn get_png_dimensions(reader : &mut dyn Read) -> Result<(u32, u32), &'static str>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_folder_for_max_png_size` is never used
[INFO] [stdout]    --> src/common.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn scan_folder_for_max_png_size(input_folder : &str) -> (u32, u32)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_image_no_alpha` is never used
[INFO] [stdout]    --> src/common.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn save_image_no_alpha(mut image : RgbaImage, save_path : &str)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress_image_to_buffer` is never used
[INFO] [stdout]    --> src/common.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub fn compress_image_to_buffer(img: &image::RgbaImage) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress_buffer` is never used
[INFO] [stdout]    --> src/common.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn compress_buffer(img: &Vec<u8>) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CroppedImageBounds` is never constructed
[INFO] [stdout]   --> src/compress.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CroppedImageBounds {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crop_function` is never used
[INFO] [stdout]   --> src/compress.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn crop_function(img: &image::RgbaImage, offset : (u32, u32), max_width : u32, max_height : u32) -> (CroppedImageBounds, u64)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `img_count`
[INFO] [stdout]    --> src/common.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |     for (img_count, ent) in FileTypeIterator::new(input_folder, "png").enumerate()
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_img_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `debug_difference_count` is assigned to, but never used
[INFO] [stdout]    --> src/compress.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut debug_difference_count = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_debug_difference_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_buf_to_u32_big_endian` is never used
[INFO] [stdout]    --> src/common.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn u8_buf_to_u32_big_endian(buf : &[u8; 4]) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_stream_to_u32_big_endian` is never used
[INFO] [stdout]    --> src/common.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut dyn Read) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_png_dimensions` is never used
[INFO] [stdout]    --> src/common.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn get_png_dimensions(reader : &mut dyn Read) -> Result<(u32, u32), &'static str>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_folder_for_max_png_size` is never used
[INFO] [stdout]    --> src/common.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn scan_folder_for_max_png_size(input_folder : &str) -> (u32, u32)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_image_no_alpha` is never used
[INFO] [stdout]    --> src/common.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn save_image_no_alpha(mut image : RgbaImage, save_path : &str)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress_image_to_buffer` is never used
[INFO] [stdout]    --> src/common.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub fn compress_image_to_buffer(img: &image::RgbaImage) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress_buffer` is never used
[INFO] [stdout]    --> src/common.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn compress_buffer(img: &Vec<u8>) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CroppedImageBounds` is never constructed
[INFO] [stdout]   --> src/compress.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CroppedImageBounds {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crop_function` is never used
[INFO] [stdout]   --> src/compress.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn crop_function(img: &image::RgbaImage, offset : (u32, u32), max_width : u32, max_height : u32) -> (CroppedImageBounds, u64)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.06s
[INFO] running `Command { std: "docker" "inspect" "2b423a669aa619a611046678758da6f5564fdf75ccd019319cd98fc1d77b1603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b423a669aa619a611046678758da6f5564fdf75ccd019319cd98fc1d77b1603", kill_on_drop: false }`
[INFO] [stdout] 2b423a669aa619a611046678758da6f5564fdf75ccd019319cd98fc1d77b1603