[INFO] cloning repository https://github.com/TheArtistGuy/signalverarbeitung
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheArtistGuy/signalverarbeitung" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheArtistGuy%2Fsignalverarbeitung", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheArtistGuy%2Fsignalverarbeitung'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a120b607a67b2f30489148d23a3478cbc1dff430
[INFO] checking TheArtistGuy/signalverarbeitung against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheArtistGuy%2Fsignalverarbeitung" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheArtistGuy/signalverarbeitung on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheArtistGuy/signalverarbeitung
[INFO] finished tweaking git repo https://github.com/TheArtistGuy/signalverarbeitung
[INFO] tweaked toml for git repo https://github.com/TheArtistGuy/signalverarbeitung written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TheArtistGuy/signalverarbeitung already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df801e80dc79babede20b3a382614ee992c8f105f268bf94574cead410bc996
[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" "3df801e80dc79babede20b3a382614ee992c8f105f268bf94574cead410bc996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df801e80dc79babede20b3a382614ee992c8f105f268bf94574cead410bc996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df801e80dc79babede20b3a382614ee992c8f105f268bf94574cead410bc996", kill_on_drop: false }`
[INFO] [stdout] 3df801e80dc79babede20b3a382614ee992c8f105f268bf94574cead410bc996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21413791fb3293dcb973ad80916144d0a0adebab1f1a4e3e569927ddd984b89a
[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" "21413791fb3293dcb973ad80916144d0a0adebab1f1a4e3e569927ddd984b89a", kill_on_drop: false }`
[INFO] [stderr]     Checking interaktive_systeme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Bild_8Bit` should have an upper camel case name
[INFO] [stdout]  --> src/bild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bild_8Bit {
[INFO] [stdout]   |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Bild8bit`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bild.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         if (x > self.hoehe || y > self.breite){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Bild_Grauwerte` should have an upper camel case name
[INFO] [stdout]    --> src/bild.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Bild_Grauwerte{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BildGrauwerte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HSV`, `pixel_hsv_to_rgb`
[INFO] [stdout]    --> src/color_conversion.rs:114:76
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use crate::color_conversion::{get_greatest_rgb, get_smallest_rgb, RGB, pixel_hsv_to_rgb, HSV, pixel_rgb_to_greyscale};
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Bild_8Bit` should have an upper camel case name
[INFO] [stdout]  --> src/bild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bild_8Bit {
[INFO] [stdout]   |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Bild8bit`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bild.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         if (x > self.hoehe || y > self.breite){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Bild_Grauwerte` should have an upper camel case name
[INFO] [stdout]    --> src/bild.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Bild_Grauwerte{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BildGrauwerte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `punkt`
[INFO] [stdout]  --> src/signal_effekte.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let punkt = (index, abtastpunkt);
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_punkt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `punkt`
[INFO] [stdout]  --> src/signal_effekte.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let punkt = (index, abtastpunkt);
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_punkt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `ReellwertigeDFT` in public interface
[INFO] [stdout]   --> src/fourier.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub fn berechne_reellwertige_DFT(signal : &[f32]) -> ReellwertigeDFT {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 34 | struct ReellwertigeDFT {
[INFO] [stdout]    | ---------------------- `ReellwertigeDFT` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pixel_rgb_to_hsv`
[INFO] [stdout]  --> src/color_conversion.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn pixel_rgb_to_hsv (rgb : &RGB) -> HSV {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pixel_hsv_to_rgb`
[INFO] [stdout]   --> src/color_conversion.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn pixel_hsv_to_rgb(hsv : &HSV) -> Result<RGB, &str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `echo`
[INFO] [stdout]  --> src/signal_effekte.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn echo (signal : Vec<f32>, verzoegerung : usize, amplitude : f32) ->  Vec<f32>{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `varianz_geschaetzt`
[INFO] [stdout]   --> src/statistik.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn varianz_geschaetzt(signal: &[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `standardabweichung`
[INFO] [stdout]   --> src/statistik.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn standardabweichung (signal :&[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `standardabweichung_geschaetzt`
[INFO] [stdout]   --> src/statistik.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn standardabweichung_geschaetzt(signal :&[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Faltungskern3x3`
[INFO] [stdout]  --> src/bildbearbeitungs_kernels.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Faltungskern3x3 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_prewitt_cols`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn kantendetektion_prewitt_cols() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_prewitt_rows`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kantendetektion_prewitt_rows() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_sobel_cols`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn kantendetektion_sobel_cols() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_sobel_rows`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn kantendetektion_sobel_rows() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gauss`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn gauss() -> Self{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bild_8Bit`
[INFO] [stdout]  --> src/bild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bild_8Bit {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bild.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(hoehe : usize, breite : usize) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]   --> src/bild.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_pixel(&self, x : usize, y : usize) -> Option<&RGB>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `ReellwertigeDFT` in public interface
[INFO] [stdout]   --> src/fourier.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub fn berechne_reellwertige_DFT(signal : &[f32]) -> ReellwertigeDFT {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 34 | struct ReellwertigeDFT {
[INFO] [stdout]    | ---------------------- `ReellwertigeDFT` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel`
[INFO] [stdout]   --> src/bild.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set_pixel(&mut self, x : usize, y : usize, wert : RGB){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_element`
[INFO] [stdout]   --> src/bild.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn get_element(&self, elem : usize) -> Option<&RGB> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pixel_rgb_to_greyscale`
[INFO] [stdout]  --> src/color_conversion.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn pixel_rgb_to_greyscale(rgb : &RGB) -> u8 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pixel_rgb_to_hsv`
[INFO] [stdout]  --> src/color_conversion.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn pixel_rgb_to_hsv (rgb : &RGB) -> HSV {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_smallest_rgb`
[INFO] [stdout]   --> src/color_conversion.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn get_smallest_rgb(elements: [&f32; 3]) -> &f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pixel_hsv_to_rgb`
[INFO] [stdout]   --> src/color_conversion.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn pixel_hsv_to_rgb(hsv : &HSV) -> Result<RGB, &str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_greatest_rgb`
[INFO] [stdout]    --> src/color_conversion.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_greatest_rgb(elements : [&f32; 3]) -> &f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `echo`
[INFO] [stdout]  --> src/signal_effekte.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn echo (signal : Vec<f32>, verzoegerung : usize, amplitude : f32) ->  Vec<f32>{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arithmetisches_mittel`
[INFO] [stdout]  --> src/statistik.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn arithmetisches_mittel(signal : &[f32]) -> f32{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mittlere_absolute_abweichung`
[INFO] [stdout]   --> src/statistik.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn mittlere_absolute_abweichung (signal : &[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `varianz`
[INFO] [stdout]   --> src/statistik.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn varianz (signal : &[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `varianz_geschaetzt`
[INFO] [stdout]   --> src/statistik.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn varianz_geschaetzt(signal: &[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `standardabweichung`
[INFO] [stdout]   --> src/statistik.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn standardabweichung (signal :&[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `standardabweichung_geschaetzt`
[INFO] [stdout]   --> src/statistik.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn standardabweichung_geschaetzt(signal :&[f32]) -> f32{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Faltungskern3x3`
[INFO] [stdout]  --> src/bildbearbeitungs_kernels.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Faltungskern3x3 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_prewitt_cols`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn kantendetektion_prewitt_cols() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_prewitt_rows`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kantendetektion_prewitt_rows() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_sobel_cols`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn kantendetektion_sobel_cols() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kantendetektion_sobel_rows`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn kantendetektion_sobel_rows() -> Self{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gauss`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn gauss() -> Self{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Vektor3`
[INFO] [stdout]  --> src/vektor_operationen.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Vektor3 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `skalarprodukt`
[INFO] [stdout]   --> src/vektor_operationen.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn skalarprodukt (x : &Vektor3, y : &Vektor3) -> f32{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vektorprodukt`
[INFO] [stdout]   --> src/vektor_operationen.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn vektorprodukt(x: &Vektor3, y: &Vektor3) -> Vektor3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bild_8Bit`
[INFO] [stdout]  --> src/bild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bild_8Bit {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_element`
[INFO] [stdout]   --> src/bild.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn set_element(&mut self, elem: usize, wert : &RGB) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_greyscale`
[INFO] [stdout]   --> src/bild.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn to_greyscale(&self) -> Bild_Grauwerte{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `erstelle_teilbild`
[INFO] [stdout]   --> src/bild.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn erstelle_teilbild(&self, x_anfang : usize, x_ende : usize, y_anfang : usize, y_ende : usize) -> Option<Bild_8Bit>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bild_Grauwerte`
[INFO] [stdout]    --> src/bild.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Bild_Grauwerte{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bild.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn new (hoehe : usize, breite : usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]    --> src/bild.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn get_pixel(&self, x : usize, y : usize) -> Option<&u8>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel`
[INFO] [stdout]    --> src/bild.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn set_pixel(&mut self, x : usize, y : usize, wert : u8){
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HSV`
[INFO] [stdout]    --> src/bild.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct HSV {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `berechne_reellwertige_DFT`
[INFO] [stdout]  --> src/fourier.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn berechne_reellwertige_DFT(signal : &[f32]) -> ReellwertigeDFT {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ReellwertigeDFT`
[INFO] [stdout]   --> src/fourier.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ReellwertigeDFT {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bild.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(hoehe : usize, breite : usize) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]   --> src/bild.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_pixel(&self, x : usize, y : usize) -> Option<&RGB>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel`
[INFO] [stdout]   --> src/bild.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set_pixel(&mut self, x : usize, y : usize, wert : RGB){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_element`
[INFO] [stdout]   --> src/bild.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn get_element(&self, elem : usize) -> Option<&RGB> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_element`
[INFO] [stdout]   --> src/bild.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn set_element(&mut self, elem: usize, wert : &RGB) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bild.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if  elem > self.breite * self.hoehe || elem < 0{
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bild.rs:47:48
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if  elem > self.breite * self.hoehe || elem < 0 {
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `berechne_reellwertige_DFT` should have a snake case name
[INFO] [stdout]  --> src/fourier.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn berechne_reellwertige_DFT(signal : &[f32]) -> ReellwertigeDFT {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `berechne_reellwertige_dft`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_greyscale`
[INFO] [stdout]   --> src/bild.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn to_greyscale(&self) -> Bild_Grauwerte{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `erstelle_teilbild`
[INFO] [stdout]   --> src/bild.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn erstelle_teilbild(&self, x_anfang : usize, x_ende : usize, y_anfang : usize, y_ende : usize) -> Option<Bild_8Bit>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bild_Grauwerte`
[INFO] [stdout]    --> src/bild.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Bild_Grauwerte{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bild.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn new (hoehe : usize, breite : usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]    --> src/bild.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn get_pixel(&self, x : usize, y : usize) -> Option<&u8>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel`
[INFO] [stdout]    --> src/bild.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn set_pixel(&mut self, x : usize, y : usize, wert : u8){
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HSV`
[INFO] [stdout]    --> src/bild.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct HSV {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `berechne_reellwertige_DFT`
[INFO] [stdout]  --> src/fourier.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn berechne_reellwertige_DFT(signal : &[f32]) -> ReellwertigeDFT {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ReellwertigeDFT`
[INFO] [stdout]   --> src/fourier.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct ReellwertigeDFT {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bild.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if  elem > self.breite * self.hoehe || elem < 0{
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bild.rs:47:48
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if  elem > self.breite * self.hoehe || elem < 0 {
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `berechne_reellwertige_DFT` should have a snake case name
[INFO] [stdout]  --> src/fourier.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn berechne_reellwertige_DFT(signal : &[f32]) -> ReellwertigeDFT {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `berechne_reellwertige_dft`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interaktive_systeme`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "21413791fb3293dcb973ad80916144d0a0adebab1f1a4e3e569927ddd984b89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21413791fb3293dcb973ad80916144d0a0adebab1f1a4e3e569927ddd984b89a", kill_on_drop: false }`
[INFO] [stdout] 21413791fb3293dcb973ad80916144d0a0adebab1f1a4e3e569927ddd984b89a