[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] c957ca483f4a941d7e134862dd6c7ed93d861f5b
[INFO] checking TheArtistGuy/signalverarbeitung against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[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 b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce81a06aaf71880add42f04a096bf455ec8af98bba58cc0d9821feb971b8286
[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" "dce81a06aaf71880add42f04a096bf455ec8af98bba58cc0d9821feb971b8286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce81a06aaf71880add42f04a096bf455ec8af98bba58cc0d9821feb971b8286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce81a06aaf71880add42f04a096bf455ec8af98bba58cc0d9821feb971b8286", kill_on_drop: false }`
[INFO] [stdout] dce81a06aaf71880add42f04a096bf455ec8af98bba58cc0d9821feb971b8286
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d7747f9d2108afb9120b436e867fef3dd4c1b1d7125b338ab2970ab1ddc654
[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" "c9d7747f9d2108afb9120b436e867fef3dd4c1b1d7125b338ab2970ab1ddc654", kill_on_drop: false }`
[INFO] [stderr]     Checking interaktive_systeme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HSV`, `pixel_hsv_to_rgb`
[INFO] [stdout]    --> src/color_conversion.rs:126:76
[INFO] [stdout]     |
[INFO] [stdout] 126 |     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: 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] 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: struct is never constructed: `RGB`
[INFO] [stdout]    --> src/color_conversion.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct RGB {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HSV`
[INFO] [stdout]    --> src/color_conversion.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct HSV {
[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: function is never used: `gauss_3x3`
[INFO] [stdout]  --> src/bildbearbeitungs_kernels.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gauss_3x3 (input : &[[u8; 3]; 3]) -> f32{
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matrix3x3`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Matrix3x3 {
[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: `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: struct is never constructed: `HSV`
[INFO] [stdout]    --> src/color_conversion.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct HSV {
[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: function is never used: `gauss_3x3`
[INFO] [stdout]  --> src/bildbearbeitungs_kernels.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gauss_3x3 (input : &[[u8; 3]; 3]) -> f32{
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matrix3x3`
[INFO] [stdout]   --> src/bildbearbeitungs_kernels.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Matrix3x3 {
[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: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "c9d7747f9d2108afb9120b436e867fef3dd4c1b1d7125b338ab2970ab1ddc654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d7747f9d2108afb9120b436e867fef3dd4c1b1d7125b338ab2970ab1ddc654", kill_on_drop: false }`
[INFO] [stdout] c9d7747f9d2108afb9120b436e867fef3dd4c1b1d7125b338ab2970ab1ddc654