[INFO] cloning repository https://github.com/Luweiba/random-matrix-steganography-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luweiba/random-matrix-steganography-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 611dbe7c5a1d1c9c4b8db0239aabada7a4223a0f [INFO] testing Luweiba/random-matrix-steganography-in-rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuweiba%2Frandom-matrix-steganography-in-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Luweiba/random-matrix-steganography-in-rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Luweiba/random-matrix-steganography-in-rust [INFO] finished tweaking git repo https://github.com/Luweiba/random-matrix-steganography-in-rust [INFO] tweaked toml for git repo https://github.com/Luweiba/random-matrix-steganography-in-rust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Luweiba/random-matrix-steganography-in-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e04aa48636d9b9f133ed63fa006f7c561712cc53202ab58d5e8ffda2eaa6ea8 [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" "1e04aa48636d9b9f133ed63fa006f7c561712cc53202ab58d5e8ffda2eaa6ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e04aa48636d9b9f133ed63fa006f7c561712cc53202ab58d5e8ffda2eaa6ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e04aa48636d9b9f133ed63fa006f7c561712cc53202ab58d5e8ffda2eaa6ea8", kill_on_drop: false }` [INFO] [stdout] 1e04aa48636d9b9f133ed63fa006f7c561712cc53202ab58d5e8ffda2eaa6ea8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a703c1d3b6cc2b1dfa6c3c8da95c4f7d6ce0663b2ee472c282ef3473931583af [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" "a703c1d3b6cc2b1dfa6c3c8da95c4f7d6ce0663b2ee472c282ef3473931583af", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [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 heck v0.3.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling tiff v0.6.0 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Compiling image v0.23.12 [INFO] [stderr] Compiling structopt v0.3.20 [INFO] [stderr] Compiling random_matrix_steganography v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/steganography.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DynamicImage`, `RgbImage`, `Rgb` [INFO] [stdout] --> src/steganography.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use image::{DynamicImage, GenericImageView, RgbImage, Rgb, ImageBuffer, Rgba, RgbaImage, EncodableLayout}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs::StdRng` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::rngs::StdRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng` [INFO] [stdout] --> src/main.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::{SeedableRng, Rng}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_matrix::RandMatrix` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use random_matrix::RandMatrix; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_mut` is never read [INFO] [stdout] --> src/steganography.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut pixel_y_mut= &mut Rgba([0,0,0,0]); [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 `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | let mut g2_x= 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 `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut g2_y= 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 `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | let mut g2_x = 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 `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut g2_y = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/steganography.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | let len = cipher_text_in_9.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.18s [INFO] running `Command { std: "docker" "inspect" "a703c1d3b6cc2b1dfa6c3c8da95c4f7d6ce0663b2ee472c282ef3473931583af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a703c1d3b6cc2b1dfa6c3c8da95c4f7d6ce0663b2ee472c282ef3473931583af", kill_on_drop: false }` [INFO] [stdout] a703c1d3b6cc2b1dfa6c3c8da95c4f7d6ce0663b2ee472c282ef3473931583af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", 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] 4f3ac1d1f1c79f5cacca053809800f61294802762eb2a13fcc95e07367b3e4f5 [INFO] running `Command { std: "docker" "start" "-a" "4f3ac1d1f1c79f5cacca053809800f61294802762eb2a13fcc95e07367b3e4f5", kill_on_drop: false }` [INFO] [stderr] Compiling random_matrix_steganography v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/steganography.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DynamicImage`, `RgbImage`, `Rgb` [INFO] [stdout] --> src/steganography.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use image::{DynamicImage, GenericImageView, RgbImage, Rgb, ImageBuffer, Rgba, RgbaImage, EncodableLayout}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs::StdRng` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::rngs::StdRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng` [INFO] [stdout] --> src/main.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::{SeedableRng, Rng}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_matrix::RandMatrix` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use random_matrix::RandMatrix; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel_y_mut` is never read [INFO] [stdout] --> src/steganography.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut pixel_y_mut= &mut Rgba([0,0,0,0]); [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 `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | let mut g2_x= 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 `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut g2_y= 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 `pixel_y_carrier` is never read [INFO] [stdout] --> src/steganography.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g2_x` is never read [INFO] [stdout] --> src/steganography.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | let mut g2_x = 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 `g2_y` is never read [INFO] [stdout] --> src/steganography.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut g2_y = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/steganography.rs:211:13 [INFO] [stdout] | [INFO] [stdout] 211 | let len = cipher_text_in_9.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "4f3ac1d1f1c79f5cacca053809800f61294802762eb2a13fcc95e07367b3e4f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f3ac1d1f1c79f5cacca053809800f61294802762eb2a13fcc95e07367b3e4f5", kill_on_drop: false }` [INFO] [stdout] 4f3ac1d1f1c79f5cacca053809800f61294802762eb2a13fcc95e07367b3e4f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0379bd794987c63884c17c76f4000acbe944eebe22a02409e79a1acc78405922 [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" "0379bd794987c63884c17c76f4000acbe944eebe22a02409e79a1acc78405922", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/steganography.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DynamicImage`, `RgbImage`, `Rgb` [INFO] [stderr] --> src/steganography.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | use image::{DynamicImage, GenericImageView, RgbImage, Rgb, ImageBuffer, Rgba, RgbaImage, EncodableLayout}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::rngs::StdRng` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::rngs::StdRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Rng`, `SeedableRng` [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use rand::{SeedableRng, Rng}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `random_matrix::RandMatrix` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use random_matrix::RandMatrix; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pixel_y_mut` is never read [INFO] [stderr] --> src/steganography.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | let mut pixel_y_mut= &mut Rgba([0,0,0,0]); [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 `pixel_y_carrier` is never read [INFO] [stderr] --> src/steganography.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g2_x` is never read [INFO] [stderr] --> src/steganography.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 57 | let mut g2_x= 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g2_y` is never read [INFO] [stderr] --> src/steganography.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | let mut g2_y= 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pixel_y_carrier` is never read [INFO] [stderr] --> src/steganography.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut pixel_y_carrier= Rgba([0,0,0,0]); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g2_x` is never read [INFO] [stderr] --> src/steganography.rs:117:17 [INFO] [stderr] | [INFO] [stderr] 117 | let mut g2_x = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g2_y` is never read [INFO] [stderr] --> src/steganography.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | let mut g2_y = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/steganography.rs:211:13 [INFO] [stderr] | [INFO] [stderr] 211 | let len = cipher_text_in_9.len(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/random_matrix_steganography-262d2961eff82ed2) [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" "0379bd794987c63884c17c76f4000acbe944eebe22a02409e79a1acc78405922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0379bd794987c63884c17c76f4000acbe944eebe22a02409e79a1acc78405922", kill_on_drop: false }` [INFO] [stdout] 0379bd794987c63884c17c76f4000acbe944eebe22a02409e79a1acc78405922