[INFO] cloning repository https://github.com/HeNeos/steganography-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HeNeos/steganography-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeNeos%2Fsteganography-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeNeos%2Fsteganography-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f515238e20ac346e8f6533cfd453f9974563ba4d
[INFO] testing HeNeos/steganography-tools against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeNeos%2Fsteganography-tools" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HeNeos/steganography-tools
[INFO] finished tweaking git repo https://github.com/HeNeos/steganography-tools
[INFO] tweaked toml for git repo https://github.com/HeNeos/steganography-tools written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HeNeos/steganography-tools on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HeNeos/steganography-tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "cde657bee378634f4465d4f67a81d848b63be4c9ebe98a3f1cd1b11f4e35b729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde657bee378634f4465d4f67a81d848b63be4c9ebe98a3f1cd1b11f4e35b729", kill_on_drop: false }`
[INFO] [stdout] cde657bee378634f4465d4f67a81d848b63be4c9ebe98a3f1cd1b11f4e35b729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080f2c7258667028cafdc2f90f76fc5f42bbcff7b09daaee792f69ba1f1fe5ca
[INFO] running `Command { std: "docker" "start" "-a" "080f2c7258667028cafdc2f90f76fc5f42bbcff7b09daaee792f69ba1f1fe5ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling avif-serialize v0.8.3
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling zune-jpeg v0.4.14
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling image-webp v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling exr v1.73.0
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[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling clap v4.5.38
[INFO] [stderr]    Compiling ravif v0.11.12
[INFO] [stderr]    Compiling image v0.25.6
[INFO] [stderr]    Compiling steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::content::audio::AudioContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::content::audio::AudioContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::image::ImageContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::content::image::ImageContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decodable`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::traits::{ContentType, Decodable};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs as std_fs`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs as std_fs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path as StdPath`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path as StdPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavSpec`
[INFO] [stdout]  --> src/encode/to_audio/lsb.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{SampleFormat, WavReader, WavSpec, WavWriter};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode/to_audio/lsb.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     for i in 0..data_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BITS_PER_SAMPLE_TO_EXTRACT` is never used
[INFO] [stdout]  --> src/decode/to_audio/lsb.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BITS_PER_SAMPLE_TO_EXTRACT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::audio::AudioContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::content::audio::AudioContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::image::ImageContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::content::image::ImageContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decodable`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::traits::{ContentType, Decodable};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs as std_fs`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs as std_fs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path as StdPath`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path as StdPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavSpec`
[INFO] [stdout]  --> src/encode/to_audio/lsb.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{SampleFormat, WavReader, WavSpec, WavWriter};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode/to_audio/lsb.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     for i in 0..data_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BITS_PER_SAMPLE_TO_EXTRACT` is never used
[INFO] [stdout]  --> src/decode/to_audio/lsb.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BITS_PER_SAMPLE_TO_EXTRACT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from_image` is never used
[INFO] [stdout]  --> src/encode/utils/extract.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn extract_from_image(hide_file: &str) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `metadata` is never used
[INFO] [stdout]  --> src/traits.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Encodable {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn metadata(&self) -> Vec<u8>;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_string` and `file_extension` are never used
[INFO] [stdout]   --> src/traits.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ContentType {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_string(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn file_extension(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.94s
[INFO] running `Command { std: "docker" "inspect" "080f2c7258667028cafdc2f90f76fc5f42bbcff7b09daaee792f69ba1f1fe5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080f2c7258667028cafdc2f90f76fc5f42bbcff7b09daaee792f69ba1f1fe5ca", kill_on_drop: false }`
[INFO] [stdout] 080f2c7258667028cafdc2f90f76fc5f42bbcff7b09daaee792f69ba1f1fe5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e3d3acd04189ed45fad78b4dc95106945b36add26665a336bfddaf78d35ca6
[INFO] running `Command { std: "docker" "start" "-a" "f0e3d3acd04189ed45fad78b4dc95106945b36add26665a336bfddaf78d35ca6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::content::audio::AudioContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::content::audio::AudioContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::image::ImageContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::content::image::ImageContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decodable`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::traits::{ContentType, Decodable};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs as std_fs`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs as std_fs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path as StdPath`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path as StdPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavSpec`
[INFO] [stdout]  --> src/encode/to_audio/lsb.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{SampleFormat, WavReader, WavSpec, WavWriter};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode/to_audio/lsb.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     for i in 0..data_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `BITS_PER_SAMPLE_TO_EXTRACT` is never used
[INFO] [stdout]  --> src/decode/to_audio/lsb.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BITS_PER_SAMPLE_TO_EXTRACT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::audio::AudioContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::content::audio::AudioContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::image::ImageContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::content::image::ImageContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decodable`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::traits::{ContentType, Decodable};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs as std_fs`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs as std_fs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path as StdPath`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path as StdPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavSpec`
[INFO] [stdout]  --> src/encode/to_audio/lsb.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{SampleFormat, WavReader, WavSpec, WavWriter};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::audio::AudioContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::content::audio::AudioContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::image::ImageContent`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::content::image::ImageContent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decodable`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::traits::{ContentType, Decodable};
[INFO] [stdout]   |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs as std_fs`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs as std_fs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path as StdPath`
[INFO] [stdout]  --> src/decode/to_image/lsb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path as StdPath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavSpec`
[INFO] [stdout]  --> src/encode/to_audio/lsb.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{SampleFormat, WavReader, WavSpec, WavWriter};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode/to_audio/lsb.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     for i in 0..data_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/decode/to_audio/lsb.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     for i in 0..data_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BITS_PER_SAMPLE_TO_EXTRACT` is never used
[INFO] [stdout]  --> src/decode/to_audio/lsb.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BITS_PER_SAMPLE_TO_EXTRACT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BITS_PER_SAMPLE_TO_EXTRACT` is never used
[INFO] [stdout]  --> src/decode/to_audio/lsb.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BITS_PER_SAMPLE_TO_EXTRACT: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from_image` is never used
[INFO] [stdout]  --> src/encode/utils/extract.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn extract_from_image(hide_file: &str) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `metadata` is never used
[INFO] [stdout]  --> src/traits.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Encodable {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn metadata(&self) -> Vec<u8>;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_string` and `file_extension` are never used
[INFO] [stdout]   --> src/traits.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ContentType {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_string(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn file_extension(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "f0e3d3acd04189ed45fad78b4dc95106945b36add26665a336bfddaf78d35ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e3d3acd04189ed45fad78b4dc95106945b36add26665a336bfddaf78d35ca6", kill_on_drop: false }`
[INFO] [stdout] f0e3d3acd04189ed45fad78b4dc95106945b36add26665a336bfddaf78d35ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1284354f49d8453b15a10999a4e5ab9d68c571c7d0c79254549e31ee0b39af3d
[INFO] running `Command { std: "docker" "start" "-a" "1284354f49d8453b15a10999a4e5ab9d68c571c7d0c79254549e31ee0b39af3d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::content::audio::AudioContent`
[INFO] [stderr]  --> src/decode/to_image/lsb.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::content::audio::AudioContent;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::content::image::ImageContent`
[INFO] [stderr]  --> src/decode/to_image/lsb.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::content::image::ImageContent;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Decodable`
[INFO] [stderr]  --> src/decode/to_image/lsb.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::traits::{ContentType, Decodable};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs as std_fs`
[INFO] [stderr]  --> src/decode/to_image/lsb.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs as std_fs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path as StdPath`
[INFO] [stderr]  --> src/decode/to_image/lsb.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::Path as StdPath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WavSpec`
[INFO] [stderr]  --> src/encode/to_audio/lsb.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | use hound::{SampleFormat, WavReader, WavSpec, WavWriter};
[INFO] [stderr]   |                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/decode/to_audio/lsb.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     for i in 0..data_len {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BITS_PER_SAMPLE_TO_EXTRACT` is never used
[INFO] [stderr]  --> src/decode/to_audio/lsb.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const BITS_PER_SAMPLE_TO_EXTRACT: u32 = 1;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `steganography` (lib) generated 8 warnings (run `cargo fix --lib -p steganography` to apply 6 suggestions)
[INFO] [stderr] warning: `steganography` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `extract_from_image` is never used
[INFO] [stderr]  --> src/encode/utils/extract.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn extract_from_image(hide_file: &str) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `metadata` is never used
[INFO] [stderr]  --> src/traits.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Encodable {
[INFO] [stderr]   |           --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 4 |     fn metadata(&self) -> Vec<u8>;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `to_string` and `file_extension` are never used
[INFO] [stderr]   --> src/traits.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl ContentType {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn to_string(&self) -> &'static str {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn file_extension(&self) -> &'static str {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `steganography` (bin "steganography" test) generated 12 warnings (8 duplicates) (run `cargo fix --bin "steganography" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/steganography-b6658ddd34020f68)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/steganography-844b910dd04842aa)
[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] [stderr]    Doc-tests steganography
[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" "1284354f49d8453b15a10999a4e5ab9d68c571c7d0c79254549e31ee0b39af3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1284354f49d8453b15a10999a4e5ab9d68c571c7d0c79254549e31ee0b39af3d", kill_on_drop: false }`
[INFO] [stdout] 1284354f49d8453b15a10999a4e5ab9d68c571c7d0c79254549e31ee0b39af3d