[INFO] cloning repository https://github.com/dog-tired/Epdf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dog-tired/Epdf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdog-tired%2FEpdf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdog-tired%2FEpdf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36e58e975955eef395224b4994c6a25f0f00d814
[INFO] checking dog-tired/Epdf against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdog-tired%2FEpdf" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dog-tired/Epdf on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dog-tired/Epdf
[INFO] finished tweaking git repo https://github.com/dog-tired/Epdf
[INFO] tweaked toml for git repo https://github.com/dog-tired/Epdf written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dog-tired/Epdf 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pdfium-render v0.8.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c2376095c4be498e7d42efa2f582848359a1e27b7af823bf5c3f034202db7854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2376095c4be498e7d42efa2f582848359a1e27b7af823bf5c3f034202db7854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2376095c4be498e7d42efa2f582848359a1e27b7af823bf5c3f034202db7854", kill_on_drop: false }`
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[INFO] [stderr]     Checking pangocairo v0.16.3
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[INFO] [stderr]     Checking piet-common v0.6.2
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[INFO] [stderr]     Checking Epdf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Widget` and `text`
[INFO] [stdout]  --> src/pdf_util/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     text, widget::{Flex, Image as DruidImage, Label, Scroll, SizedBox}, AppLauncher, Color, ImageBuf, Widget, WidgetExt, WindowDesc
[INFO] [stdout]   |     ^^^^                                                                                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/pdf_util/mod.rs:439:16
[INFO] [stdout]     |
[INFO] [stdout] 439 |             if (unicode_char == '\n' || unicode_char == '\r') {
[INFO] [stdout]     |                ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 439 -             if (unicode_char == '\n' || unicode_char == '\r') {
[INFO] [stdout] 439 +             if unicode_char == '\n' || unicode_char == '\r' {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/license/mod.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use std::io::{self, Read, Write};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Widget` and `text`
[INFO] [stdout]  --> src/pdf_util/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     text, widget::{Flex, Image as DruidImage, Label, Scroll, SizedBox}, AppLauncher, Color, ImageBuf, Widget, WidgetExt, WindowDesc
[INFO] [stdout]   |     ^^^^                                                                                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/pdf_util/mod.rs:439:16
[INFO] [stdout]     |
[INFO] [stdout] 439 |             if (unicode_char == '\n' || unicode_char == '\r') {
[INFO] [stdout]     |                ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 439 -             if (unicode_char == '\n' || unicode_char == '\r') {
[INFO] [stdout] 439 +             if unicode_char == '\n' || unicode_char == '\r' {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/license/mod.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use std::io::{self, Read, Write};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::licence_mod`
[INFO] [stdout]   --> src/license/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use super::licence_mod;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piet`
[INFO] [stdout]  --> src/pdf_util/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piet::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piet`
[INFO] [stdout]  --> src/pdf_util/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piet::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/pdf_util/mod.rs:556:10
[INFO] [stdout]     |
[INFO] [stdout] 556 |     for (index, image_path) in images.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bitmap`
[INFO] [stdout]    --> src/pdf_util/mod.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 578 |         let bitmap = img.to_rgba8();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bitmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/pdf_util/mod.rs:556:10
[INFO] [stdout]     |
[INFO] [stdout] 556 |     for (index, image_path) in images.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bitmap`
[INFO] [stdout]    --> src/pdf_util/mod.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 578 |         let bitmap = img.to_rgba8();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bitmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut op = match args.get(1) {
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageWrapper` is never constructed
[INFO] [stdout]   --> src/pdf_util/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ImageWrapper {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_dynamic_image` is never used
[INFO] [stdout]   --> src/pdf_util/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl ImageWrapper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 29 |     fn from_dynamic_image(image: DynamicImage, format: ImageFormat) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LICENCE_FILE` is never used
[INFO] [stdout]  --> src/license/mod.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const LICENCE_FILE: &str = "licence.txt";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LICENCE_FILE` is never used
[INFO] [stdout]   --> src/license/mod.rs:83:11
[INFO] [stdout]    |
[INFO] [stdout] 83 |     const LICENCE_FILE: &str = "licence.txt";
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut op = match args.get(1) {
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageWrapper` is never constructed
[INFO] [stdout]   --> src/pdf_util/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ImageWrapper {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_dynamic_image` is never used
[INFO] [stdout]   --> src/pdf_util/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl ImageWrapper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 29 |     fn from_dynamic_image(image: DynamicImage, format: ImageFormat) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PDF_PATH` is never used
[INFO] [stdout]   --> src/pdf_util/mod.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const PDF_PATH: &str = "C:\\Users\\slh\\Downloads\\kafka.pdf";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LICENCE_FILE` is never used
[INFO] [stdout]  --> src/license/mod.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const LICENCE_FILE: &str = "licence.txt";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LICENCE_PROMPT` is never used
[INFO] [stdout]   --> src/license/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     const LICENCE_PROMPT: &str = "The number of times has been used up. Please contact the author for activation. 1 yuan and 10000 times";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_content` is never used
[INFO] [stdout]   --> src/license/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_content(file_path: &str) -> Result<String, io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_file_content_with_123` is never used
[INFO] [stdout]   --> src/license/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn compare_file_content_with_123(file_path: &str) -> io::Result<bool> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrement_file_number` is never used
[INFO] [stdout]   --> src/license/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn decrement_file_number(file_path: &str) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LICENCE_FILE` is never used
[INFO] [stdout]   --> src/license/mod.rs:83:11
[INFO] [stdout]    |
[INFO] [stdout] 83 |     const LICENCE_FILE: &str = "licence.txt";
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             pdf_util::copy(path, pages);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let _ = pdf_util::copy(path, pages);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             pdf_util::copy(path, pages);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let _ = pdf_util::copy(path, pages);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             pdf_util::concat(pdf_page_ranges);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let _ = pdf_util::concat(pdf_page_ranges);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             pdf_util::watermark(path, w);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let _ = pdf_util::watermark(path, w);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             pdf_util::exportImages(path, width);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let _ = pdf_util::exportImages(path, width);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             pdf_util::extract_images(path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let _ = pdf_util::extract_images(path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             pdf_util::extract_text(path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let _ = pdf_util::extract_text(path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exportImages` should have a snake case name
[INFO] [stdout]    --> src/pdf_util/mod.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn exportImages(pdf_path: &str, maximum_width: i32) -> Result<(), PdfiumError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `export_images`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exportImages` should have a snake case name
[INFO] [stdout]    --> src/pdf_util/mod.rs:676:4
[INFO] [stdout]     |
[INFO] [stdout] 676 | fn test_exportImages() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_export_images`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/pdf_util/mod.rs:677:5
[INFO] [stdout]     |
[INFO] [stdout] 677 |     exportImages(PDF_PATH, 1000);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let _ = exportImages(PDF_PATH, 1000);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/pdf_util/mod.rs:682:5
[INFO] [stdout]     |
[INFO] [stdout] 682 |     extract_images(PDF_PATH);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 682 |     let _ = extract_images(PDF_PATH);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             pdf_util::concat(pdf_page_ranges);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let _ = pdf_util::concat(pdf_page_ranges);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             pdf_util::watermark(path, w);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let _ = pdf_util::watermark(path, w);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/pdf_util/mod.rs:687:5
[INFO] [stdout]     |
[INFO] [stdout] 687 |     extract_text(PDF_PATH);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 687 |     let _ = extract_text(PDF_PATH);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             pdf_util::exportImages(path, width);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let _ = pdf_util::exportImages(path, width);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             pdf_util::extract_images(path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let _ = pdf_util::extract_images(path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             pdf_util::extract_text(path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let _ = pdf_util::extract_text(path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exportImages` should have a snake case name
[INFO] [stdout]    --> src/pdf_util/mod.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn exportImages(pdf_path: &str, maximum_width: i32) -> Result<(), PdfiumError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `export_images`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "db21e10e440438fc380955a50a6e94678ba8c123782dfe80a5fc1d66259511d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db21e10e440438fc380955a50a6e94678ba8c123782dfe80a5fc1d66259511d8", kill_on_drop: false }`
[INFO] [stdout] db21e10e440438fc380955a50a6e94678ba8c123782dfe80a5fc1d66259511d8
