[INFO] cloning repository https://github.com/JohnKossa/imagemanip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnKossa/imagemanip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnKossa%2Fimagemanip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnKossa%2Fimagemanip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11c603e61ca4ccd429a287f8cf30a647801fc793
[INFO] testing JohnKossa/imagemanip against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnKossa%2Fimagemanip" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnKossa/imagemanip on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohnKossa/imagemanip
[INFO] finished tweaking git repo https://github.com/JohnKossa/imagemanip
[INFO] tweaked toml for git repo https://github.com/JohnKossa/imagemanip written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnKossa/imagemanip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] e8bb8185b24bf05b07017637194e27aec914431bc48ac093aab39b52cb85dcfa
[INFO] running `Command { std: "docker" "start" "-a" "e8bb8185b24bf05b07017637194e27aec914431bc48ac093aab39b52cb85dcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8bb8185b24bf05b07017637194e27aec914431bc48ac093aab39b52cb85dcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bb8185b24bf05b07017637194e27aec914431bc48ac093aab39b52cb85dcfa", kill_on_drop: false }`
[INFO] [stdout] e8bb8185b24bf05b07017637194e27aec914431bc48ac093aab39b52cb85dcfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e1c5bfd27c6446e8f4a75092175f9cb8fba9170cadc2ed9eee268523a9b622
[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" "24e1c5bfd27c6446e8f4a75092175f9cb8fba9170cadc2ed9eee268523a9b622", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling imagemanip v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling weezl v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling bmp v0.5.0
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stdout] warning: unused variable: `flatten_value`
[INFO] [stdout]   --> src/algorithms/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let flatten_value = match counts.iter().max(){
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flatten_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]  --> src/file_processors.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gif_frames`
[INFO] [stdout]  --> src/file_processors.rs:8:68
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stdout]   |                                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gif_frames`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]  --> src/file_processors.rs:8:97
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stdout]   |                                                                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_on_2x2_grid`
[INFO] [stdout]  --> src/algorithms/convolvers.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn do_on_2x2_grid<T>(func: fn(&mut Image, u32, u32) -> T, img: &mut Image) -> Vec<T>{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_grid_size_x`
[INFO] [stdout]  --> src/algorithms/convolvers.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sub_grid_size_x<T>(func: fn(&mut Image, u32, u32) -> T, size: u32, img: &mut Image) -> Vec<T>{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_grid_size_x_with_offset`
[INFO] [stdout]   --> src/algorithms/convolvers.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn sub_grid_size_x_with_offset<T>(func: fn(&mut Image, u32, u32) -> T, size: u32, offset_x: u32, offset_y: u32, img: &mut Image) -> V...
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convolve_2x2`
[INFO] [stdout]   --> src/algorithms/convolvers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn convolve_2x2<T>(func: fn(&mut Image, u32, u32) -> T, img: &mut Image) -> Vec<T>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convolve_size_x`
[INFO] [stdout]   --> src/algorithms/convolvers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn convolve_size_x<T>(func: fn(&mut Image, u32, u32) -> T, mut size: u32, img: &mut Image) -> Vec<T>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_volatility_2x2`
[INFO] [stdout]   --> src/algorithms/convolution_fns.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn get_volatility_2x2(img: &mut Image, x: u32, y: u32) -> VolatilityGrid{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_volatility`
[INFO] [stdout]   --> src/algorithms/convolution_fns.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_volatility(img: &mut Image, size: u32, x: u32, y: u32) -> VolatilityGrid{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_gif_to_file`
[INFO] [stdout]   --> src/file_io.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn write_gif_to_file(images: Vec<Image>, path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.02s
[INFO] running `Command { std: "docker" "inspect" "24e1c5bfd27c6446e8f4a75092175f9cb8fba9170cadc2ed9eee268523a9b622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e1c5bfd27c6446e8f4a75092175f9cb8fba9170cadc2ed9eee268523a9b622", kill_on_drop: false }`
[INFO] [stdout] 24e1c5bfd27c6446e8f4a75092175f9cb8fba9170cadc2ed9eee268523a9b622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2246a08fe846479a1b4060c502c5f79cc6e367b1c23212a5b631b3f671596111
[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" "2246a08fe846479a1b4060c502c5f79cc6e367b1c23212a5b631b3f671596111", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagemanip v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flatten_value`
[INFO] [stdout]   --> src/algorithms/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let flatten_value = match counts.iter().max(){
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flatten_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]  --> src/file_processors.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gif_frames`
[INFO] [stdout]  --> src/file_processors.rs:8:68
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stdout]   |                                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gif_frames`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]  --> src/file_processors.rs:8:97
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stdout]   |                                                                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_on_2x2_grid`
[INFO] [stdout]  --> src/algorithms/convolvers.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn do_on_2x2_grid<T>(func: fn(&mut Image, u32, u32) -> T, img: &mut Image) -> Vec<T>{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_grid_size_x`
[INFO] [stdout]  --> src/algorithms/convolvers.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sub_grid_size_x<T>(func: fn(&mut Image, u32, u32) -> T, size: u32, img: &mut Image) -> Vec<T>{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_grid_size_x_with_offset`
[INFO] [stdout]   --> src/algorithms/convolvers.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn sub_grid_size_x_with_offset<T>(func: fn(&mut Image, u32, u32) -> T, size: u32, offset_x: u32, offset_y: u32, img: &mut Image) -> V...
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convolve_2x2`
[INFO] [stdout]   --> src/algorithms/convolvers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn convolve_2x2<T>(func: fn(&mut Image, u32, u32) -> T, img: &mut Image) -> Vec<T>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convolve_size_x`
[INFO] [stdout]   --> src/algorithms/convolvers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn convolve_size_x<T>(func: fn(&mut Image, u32, u32) -> T, mut size: u32, img: &mut Image) -> Vec<T>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_volatility_2x2`
[INFO] [stdout]   --> src/algorithms/convolution_fns.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn get_volatility_2x2(img: &mut Image, x: u32, y: u32) -> VolatilityGrid{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_volatility`
[INFO] [stdout]   --> src/algorithms/convolution_fns.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_volatility(img: &mut Image, size: u32, x: u32, y: u32) -> VolatilityGrid{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_gif_to_file`
[INFO] [stdout]   --> src/file_io.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn write_gif_to_file(images: Vec<Image>, path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "2246a08fe846479a1b4060c502c5f79cc6e367b1c23212a5b631b3f671596111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2246a08fe846479a1b4060c502c5f79cc6e367b1c23212a5b631b3f671596111", kill_on_drop: false }`
[INFO] [stdout] 2246a08fe846479a1b4060c502c5f79cc6e367b1c23212a5b631b3f671596111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4317b867ce6d06b3609b9a9c39c31010be367c21052a3c1ed00d2c321264c17
[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" "f4317b867ce6d06b3609b9a9c39c31010be367c21052a3c1ed00d2c321264c17", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `flatten_value`
[INFO] [stderr]   --> src/algorithms/mod.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let flatten_value = match counts.iter().max(){
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flatten_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]  --> src/file_processors.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stderr]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gif_frames`
[INFO] [stderr]  --> src/file_processors.rs:8:68
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stderr]   |                                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gif_frames`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `settings`
[INFO] [stderr]  --> src/file_processors.rs:8:97
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn process_gif(func: fn(&mut Image, &HashMap<String, String>), gif_frames: &mut Vec<Image>, settings: &HashMap<String, String>){
[INFO] [stderr]   |                                                                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `do_on_2x2_grid`
[INFO] [stderr]  --> src/algorithms/convolvers.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn do_on_2x2_grid<T>(func: fn(&mut Image, u32, u32) -> T, img: &mut Image) -> Vec<T>{
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_grid_size_x`
[INFO] [stderr]  --> src/algorithms/convolvers.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn sub_grid_size_x<T>(func: fn(&mut Image, u32, u32) -> T, size: u32, img: &mut Image) -> Vec<T>{
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `sub_grid_size_x_with_offset`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/algorithms/convolvers.rs:12:8
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 12 | pub fn sub_grid_size_x_with_offset<T>(func: fn(&mut Image, u32, u32) -> T, size: u32, offset_x: u32, offset_y: u32, img: &mut Image) -> V...
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convolve_2x2`
[INFO] [stderr]   --> src/algorithms/convolvers.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn convolve_2x2<T>(func: fn(&mut Image, u32, u32) -> T, img: &mut Image) -> Vec<T>{
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convolve_size_x`
[INFO] [stderr]   --> src/algorithms/convolvers.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn convolve_size_x<T>(func: fn(&mut Image, u32, u32) -> T, mut size: u32, img: &mut Image) -> Vec<T>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_volatility_2x2`
[INFO] [stderr]   --> src/algorithms/convolution_fns.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn get_volatility_2x2(img: &mut Image, x: u32, y: u32) -> VolatilityGrid{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_volatility`
[INFO] [stderr]   --> src/algorithms/convolution_fns.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn get_volatility(img: &mut Image, size: u32, x: u32, y: u32) -> VolatilityGrid{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_gif_to_file`
[INFO] [stderr]   --> src/file_io.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn write_gif_to_file(images: Vec<Image>, path: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imagemanip-4c2e6f44d35b478c
[INFO] running `Command { std: "docker" "inspect" "f4317b867ce6d06b3609b9a9c39c31010be367c21052a3c1ed00d2c321264c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4317b867ce6d06b3609b9a9c39c31010be367c21052a3c1ed00d2c321264c17", kill_on_drop: false }`
[INFO] [stdout] f4317b867ce6d06b3609b9a9c39c31010be367c21052a3c1ed00d2c321264c17