[INFO] cloning repository https://github.com/J-acob/sprite_extractor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/J-acob/sprite_extractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-acob%2Fsprite_extractor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-acob%2Fsprite_extractor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98024327be57b5b14abde3393915c10cc3c42a4c
[INFO] checking J-acob/sprite_extractor against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-acob%2Fsprite_extractor" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/J-acob/sprite_extractor
[INFO] finished tweaking git repo https://github.com/J-acob/sprite_extractor
[INFO] tweaked toml for git repo https://github.com/J-acob/sprite_extractor written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/J-acob/sprite_extractor on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/J-acob/sprite_extractor 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-lifetimes v1.0.5
[INFO] [stderr]   Downloaded clap_lex v0.3.1
[INFO] [stderr]   Downloaded clap_derive v4.1.0
[INFO] [stderr]   Downloaded plist v1.4.0
[INFO] [stderr]   Downloaded miniz_oxide v0.6.3
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded clap v4.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0e2bcf83dd37fb35f0486819f31ebc16cf48c61caf202e640a6fbcd4a987648
[INFO] running `Command { std: "docker" "start" "-a" "b0e2bcf83dd37fb35f0486819f31ebc16cf48c61caf202e640a6fbcd4a987648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e2bcf83dd37fb35f0486819f31ebc16cf48c61caf202e640a6fbcd4a987648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e2bcf83dd37fb35f0486819f31ebc16cf48c61caf202e640a6fbcd4a987648", kill_on_drop: false }`
[INFO] [stdout] b0e2bcf83dd37fb35f0486819f31ebc16cf48c61caf202e640a6fbcd4a987648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943ec6ba573e35085b8b61c1cc156d825afea3db7faccadc4805df26f7ca4bf8
[INFO] running `Command { std: "docker" "start" "-a" "943ec6ba573e35085b8b61c1cc156d825afea3db7faccadc4805df26f7ca4bf8", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
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[INFO] [stderr]    Compiling memoffset v0.7.1
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[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling serde v1.0.152
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.8
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling clap_derive v4.1.0
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[INFO] [stderr]     Checking pin-project v1.0.12
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[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]     Checking plist v1.4.0
[INFO] [stderr]     Checking sprite_extractor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GenericImage`, `ImageOutputFormat`, `Rgb`, and `SubImage`
[INFO] [stdout]  --> src/lib.rs:4:77
[INFO] [stdout]   |
[INFO] [stdout] 4 | ...ge, ImageResult, imageops, SubImage, ImageBuffer, Rgb, Rgba, RgbaImage, ImageOutputFormat, GenericImage};
[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 imports: `BufWriter`, `Cursor`, `DerefMut`, `Deref`, and `HashSet`
[INFO] [stdout]   --> src/lib.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout]  9 |     io::{Cursor, BufReader, BufWriter},
[INFO] [stdout]    |          ^^^^^^             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] 14 |     path::{PathBuf, Path},
[INFO] [stdout] 15 |     ops::{Deref, DerefMut}
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GenericImage`, `ImageOutputFormat`, `Rgb`, and `SubImage`
[INFO] [stdout]  --> src/lib.rs:4:77
[INFO] [stdout]   |
[INFO] [stdout] 4 | ...ge, ImageResult, imageops, SubImage, ImageBuffer, Rgb, Rgba, RgbaImage, ImageOutputFormat, GenericImage};
[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 imports: `BufWriter`, `Cursor`, `DerefMut`, `Deref`, and `HashSet`
[INFO] [stdout]   --> src/lib.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout]  9 |     io::{Cursor, BufReader, BufWriter},
[INFO] [stdout]    |          ^^^^^^             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] 14 |     path::{PathBuf, Path},
[INFO] [stdout] 15 |     ops::{Deref, DerefMut}
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::prelude`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     io::prelude::*,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::prelude`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     io::prelude::*,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s1`
[INFO] [stdout]    --> src/lib.rs:262:32
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         (Some((s1, n1)), Some((s2, n2))) => {
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_s1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]    --> src/lib.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         (Some((s1, n1)), Some((s2, n2))) => {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:289:60
[INFO] [stdout]     |
[INFO] [stdout] 289 |             let total_width: u32 = dimensions.iter().map(|(x, y)| y).sum();
[INFO] [stdout]     |                                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:287:54
[INFO] [stdout]     |
[INFO] [stdout] 287 |             let max_height = dimensions.iter().map(|(x, y)| y).max();
[INFO] [stdout]     |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:286:56
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let max_width = dimensions.iter().map(|(x, y)| x).max();
[INFO] [stdout]     |                                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]    --> src/lib.rs:274:44
[INFO] [stdout]     |
[INFO] [stdout] 274 |             animation_vector.sort_by(|(s1, v1), (s2, v2) |{
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> src/lib.rs:274:54
[INFO] [stdout]     |
[INFO] [stdout] 274 |             animation_vector.sort_by(|(s1, v1), (s2, v2) |{
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 if let Some((name, num)) = &extract_name_and_number(frame_name) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:310:30
[INFO] [stdout]     |
[INFO] [stdout] 310 |                         for (i, (frame_name, frame_data)) in frames.iter().enumerate() {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:342:59
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let total_width: u32 = dimensions.iter().map(|(x, y)| x).sum();
[INFO] [stdout]     |                                                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_width`
[INFO] [stdout]    --> src/lib.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let max_width = dimensions.iter().map(|(x, ..)| x).max();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s1`
[INFO] [stdout]    --> src/lib.rs:262:32
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         (Some((s1, n1)), Some((s2, n2))) => {
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_s1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]    --> src/lib.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         (Some((s1, n1)), Some((s2, n2))) => {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:289:60
[INFO] [stdout]     |
[INFO] [stdout] 289 |             let total_width: u32 = dimensions.iter().map(|(x, y)| y).sum();
[INFO] [stdout]     |                                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:287:54
[INFO] [stdout]     |
[INFO] [stdout] 287 |             let max_height = dimensions.iter().map(|(x, y)| y).max();
[INFO] [stdout]     |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:286:56
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let max_width = dimensions.iter().map(|(x, y)| x).max();
[INFO] [stdout]     |                                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]    --> src/lib.rs:274:44
[INFO] [stdout]     |
[INFO] [stdout] 274 |             animation_vector.sort_by(|(s1, v1), (s2, v2) |{
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> src/lib.rs:274:54
[INFO] [stdout]     |
[INFO] [stdout] 274 |             animation_vector.sort_by(|(s1, v1), (s2, v2) |{
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 if let Some((name, num)) = &extract_name_and_number(frame_name) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:310:30
[INFO] [stdout]     |
[INFO] [stdout] 310 |                         for (i, (frame_name, frame_data)) in frames.iter().enumerate() {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:342:59
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let total_width: u32 = dimensions.iter().map(|(x, y)| x).sum();
[INFO] [stdout]     |                                                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_width`
[INFO] [stdout]    --> src/lib.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let max_width = dimensions.iter().map(|(x, ..)| x).max();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io, thread};
[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: `thread`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_tuples` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn vec_to_tuples(v: &Vec<DirEntry>) -> Vec<OsString> {
[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 `visit_dirs` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn visit_dirs(dir: &Path, cb: &dyn Fn(&DirEntry)) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_tuples` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn vec_to_tuples(v: &Vec<DirEntry>) -> Vec<OsString> {
[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 `visit_dirs` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn visit_dirs(dir: &Path, cb: &dyn Fn(&DirEntry)) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.38s
[INFO] running `Command { std: "docker" "inspect" "943ec6ba573e35085b8b61c1cc156d825afea3db7faccadc4805df26f7ca4bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943ec6ba573e35085b8b61c1cc156d825afea3db7faccadc4805df26f7ca4bf8", kill_on_drop: false }`
[INFO] [stdout] 943ec6ba573e35085b8b61c1cc156d825afea3db7faccadc4805df26f7ca4bf8
