[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] checking JohnKossa/imagemanip against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnKossa%2Fimagemanip" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnKossa/imagemanip on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-6/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0be3880d16f3200e76198925ecaf38ad47c832a38fc5cdc5b71351dd4e8ed92
[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" "f0be3880d16f3200e76198925ecaf38ad47c832a38fc5cdc5b71351dd4e8ed92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0be3880d16f3200e76198925ecaf38ad47c832a38fc5cdc5b71351dd4e8ed92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0be3880d16f3200e76198925ecaf38ad47c832a38fc5cdc5b71351dd4e8ed92", kill_on_drop: false }`
[INFO] [stdout] f0be3880d16f3200e76198925ecaf38ad47c832a38fc5cdc5b71351dd4e8ed92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 807df6e7631478aa8eb974cd63a5d64c356e43c794d5a5a0d1fdf442a0e7dd40
[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" "807df6e7631478aa8eb974cd63a5d64c356e43c794d5a5a0d1fdf442a0e7dd40", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling imagemanip v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[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: 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] [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 14.73s
[INFO] running `Command { std: "docker" "inspect" "807df6e7631478aa8eb974cd63a5d64c356e43c794d5a5a0d1fdf442a0e7dd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807df6e7631478aa8eb974cd63a5d64c356e43c794d5a5a0d1fdf442a0e7dd40", kill_on_drop: false }`
[INFO] [stdout] 807df6e7631478aa8eb974cd63a5d64c356e43c794d5a5a0d1fdf442a0e7dd40