[INFO] cloning repository https://github.com/DannyStoyanov/seam-carving
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DannyStoyanov/seam-carving" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDannyStoyanov%2Fseam-carving", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDannyStoyanov%2Fseam-carving'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f14246796b02abe7791fc62e05e8afd662800a1c
[INFO] testing DannyStoyanov/seam-carving against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDannyStoyanov%2Fseam-carving" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DannyStoyanov/seam-carving on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DannyStoyanov/seam-carving
[INFO] finished tweaking git repo https://github.com/DannyStoyanov/seam-carving
[INFO] tweaked toml for git repo https://github.com/DannyStoyanov/seam-carving written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DannyStoyanov/seam-carving already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] f00e39a04c47d4aa02f70279e93713cd5b2f612782d2ea4a0377a4d5769e4845
[INFO] running `Command { std: "docker" "start" "-a" "f00e39a04c47d4aa02f70279e93713cd5b2f612782d2ea4a0377a4d5769e4845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00e39a04c47d4aa02f70279e93713cd5b2f612782d2ea4a0377a4d5769e4845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00e39a04c47d4aa02f70279e93713cd5b2f612782d2ea4a0377a4d5769e4845", kill_on_drop: false }`
[INFO] [stdout] f00e39a04c47d4aa02f70279e93713cd5b2f612782d2ea4a0377a4d5769e4845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa25c0e60bc8cc603e1dfdfc8100bc0941d0b55403aacab81e1497c11059a1c
[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" "8fa25c0e60bc8cc603e1dfdfc8100bc0941d0b55403aacab81e1497c11059a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling seam_carving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]   --> src/image_data.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]   --> src/image_data.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/image_data.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut v = 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y1` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut y1 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]    --> src/image_data/utils.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/image_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Err(E) => return Err(E),
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrixA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gXA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gYA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sobelVal` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]   --> src/image_data.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]   --> src/image_data.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/image_data.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut v = 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y1` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut y1 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]    --> src/image_data/utils.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_matrix`
[INFO] [stdout]  --> src/image_data/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn print_matrix(matrix: &Vec<Vec<f32>>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8_to_rgb_matrix`
[INFO] [stdout]    --> src/image_data/utils.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn u8_to_rgb_matrix(matrix: &Vec<Vec<u8>>) -> image::DynamicImage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `energy_grid`
[INFO] [stdout]    --> src/image_data/utils.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn energy_grid(matrix: &Vec<Vec<f32>>) -> Vec<Vec<f32>>{
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_min_seam`
[INFO] [stdout]    --> src/image_data/utils.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn find_min_seam(buffer: &mut Vec<(Vec<(usize,usize)>, f32)>) -> Vec<(usize,usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/image_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Err(E) => return Err(E),
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrixA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gXA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gYA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sobelVal` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.51s
[INFO] running `Command { std: "docker" "inspect" "8fa25c0e60bc8cc603e1dfdfc8100bc0941d0b55403aacab81e1497c11059a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa25c0e60bc8cc603e1dfdfc8100bc0941d0b55403aacab81e1497c11059a1c", kill_on_drop: false }`
[INFO] [stdout] 8fa25c0e60bc8cc603e1dfdfc8100bc0941d0b55403aacab81e1497c11059a1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa22f8692930cc510aefb41b100f27b23c0778a6b2cb7235273f0b5e029d2c6b
[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" "aa22f8692930cc510aefb41b100f27b23c0778a6b2cb7235273f0b5e029d2c6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling seam_carving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]   --> src/image_data.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]   --> src/image_data.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/image_data.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut v = 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y1` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut y1 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]    --> src/image_data/utils.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/image_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Err(E) => return Err(E),
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrixA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gXA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gYA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sobelVal` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]   --> src/image_data.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]   --> src/image_data.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/image_data.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut v = 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y1` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut y1 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]    --> src/image_data/utils.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]   --> src/image_data.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]   --> src/image_data.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/image_data.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut v = 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y1` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut y1 = 0;
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout]    --> src/image_data/utils.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_seam` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_seam` is never read
[INFO] [stdout]    --> src/image_data/utils.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_matrix`
[INFO] [stdout]  --> src/image_data/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn print_matrix(matrix: &Vec<Vec<f32>>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8_to_rgb_matrix`
[INFO] [stdout]    --> src/image_data/utils.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn u8_to_rgb_matrix(matrix: &Vec<Vec<u8>>) -> image::DynamicImage {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `energy_grid`
[INFO] [stdout]    --> src/image_data/utils.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn energy_grid(matrix: &Vec<Vec<f32>>) -> Vec<Vec<f32>>{
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_min_seam`
[INFO] [stdout]    --> src/image_data/utils.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn find_min_seam(buffer: &mut Vec<(Vec<(usize,usize)>, f32)>) -> Vec<(usize,usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/image_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Err(E) => return Err(E),
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrixA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gXA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gYA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sobelVal` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/image_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Err(E) => return Err(E),
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrixA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gXA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `gYA` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sobelVal` should have a snake case name
[INFO] [stdout]    --> src/image_data/utils.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "aa22f8692930cc510aefb41b100f27b23c0778a6b2cb7235273f0b5e029d2c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa22f8692930cc510aefb41b100f27b23c0778a6b2cb7235273f0b5e029d2c6b", kill_on_drop: false }`
[INFO] [stdout] aa22f8692930cc510aefb41b100f27b23c0778a6b2cb7235273f0b5e029d2c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] dca545bbb95319a6fdb0a8cd29f1fdea5fc22f1a9e497a12f046845a225de3fd
[INFO] running `Command { std: "docker" "start" "-a" "dca545bbb95319a6fdb0a8cd29f1fdea5fc22f1a9e497a12f046845a225de3fd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable `min_seam` is assigned to, but never used
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/image_data.rs:73:18
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stdout] 
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stderr]    = note: consider using `_min_seam` instead
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `min_seam` is never read
[INFO] [stderr]   --> src/image_data.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]   --> src/image_data.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut v = 0;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y1` is never read
[INFO] [stderr]    --> src/image_data/utils.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut y1 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `min_seam` is assigned to, but never used
[INFO] [stderr]    --> src/image_data/utils.rs:286:14
[INFO] [stderr]     |
[INFO] [stderr] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_min_seam` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min_seam` is never read
[INFO] [stderr]    --> src/image_data/utils.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/image_data.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Err(E) => return Err(E),
[INFO] [stderr]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrixA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `gXA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `gYA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sobelVal` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `min_seam` is assigned to, but never used
[INFO] [stderr]   --> src/image_data.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_min_seam` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min_seam` is never read
[INFO] [stderr]   --> src/image_data.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]   --> src/image_data.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut v = 0;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y1` is never read
[INFO] [stderr]    --> src/image_data/utils.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut y1 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `min_seam` is assigned to, but never used
[INFO] [stderr]    --> src/image_data/utils.rs:286:14
[INFO] [stderr]     |
[INFO] [stderr] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_min_seam` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min_seam` is never read
[INFO] [stderr]    --> src/image_data/utils.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/image_data.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Err(E) => return Err(E),
[INFO] [stderr]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrixA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `gXA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `gYA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sobelVal` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `min_seam` is assigned to, but never used
[INFO] [stderr]   --> src/image_data.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let (mut min_seam, mut energy) = seams[0].clone();
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_min_seam` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min_seam` is never read
[INFO] [stderr]   --> src/image_data.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 min_seam = seams[i].0.clone();
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]   --> src/image_data.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut v = 0;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y1` is never read
[INFO] [stderr]    --> src/image_data/utils.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut y1 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `min_seam` is assigned to, but never used
[INFO] [stderr]    --> src/image_data/utils.rs:286:14
[INFO] [stderr]     |
[INFO] [stderr] 286 |     let (mut min_seam,mut energy) = buffer[0].clone();
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_min_seam` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min_seam` is never read
[INFO] [stderr]    --> src/image_data/utils.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             min_seam = buffer[i].0.clone();
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_matrix`
[INFO] [stderr]  --> src/image_data/utils.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn print_matrix(matrix: &Vec<Vec<f32>>) {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_to_rgb_matrix`
[INFO] [stderr]    --> src/image_data/utils.rs:106:8
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn u8_to_rgb_matrix(matrix: &Vec<Vec<u8>>) -> image::DynamicImage {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `energy_grid`
[INFO] [stderr]    --> src/image_data/utils.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub fn energy_grid(matrix: &Vec<Vec<f32>>) -> Vec<Vec<f32>>{
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_min_seam`
[INFO] [stderr]    --> src/image_data/utils.rs:285:8
[INFO] [stderr]     |
[INFO] [stderr] 285 | pub fn find_min_seam(buffer: &mut Vec<(Vec<(usize,usize)>, f32)>) -> Vec<(usize,usize)> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/image_data.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Err(E) => return Err(E),
[INFO] [stderr]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrixA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let matrixA = submatrix(&matrix, x ,y);
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `gXA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let gXA = convolution(&matrixA, &mut gx);
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `g_xa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `gYA` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let gYA = convolution(&matrixA, &mut gy);
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `g_ya`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sobelVal` should have a snake case name
[INFO] [stderr]    --> src/image_data/utils.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let sobelVal = round_f32((gXA.powi(2) + gYA.powi(2)).sqrt());
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `sobel_val`
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seam_carving-0593545a40d6b2c1)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seam_carving-e5b8a2716fe69d25)
[INFO] [stderr]    Doc-tests seam_carving
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dca545bbb95319a6fdb0a8cd29f1fdea5fc22f1a9e497a12f046845a225de3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca545bbb95319a6fdb0a8cd29f1fdea5fc22f1a9e497a12f046845a225de3fd", kill_on_drop: false }`
[INFO] [stdout] dca545bbb95319a6fdb0a8cd29f1fdea5fc22f1a9e497a12f046845a225de3fd