[INFO] cloning repository https://github.com/jordan-clayton/qr_writer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jordan-clayton/qr_writer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordan-clayton%2Fqr_writer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordan-clayton%2Fqr_writer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac208497d4b779a971abd6e0e831356af1a610b7
[INFO] checking jordan-clayton/qr_writer against master#89a99936d9e76a50e8df622e7242190841fd871b for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordan-clayton%2Fqr_writer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jordan-clayton/qr_writer
[INFO] finished tweaking git repo https://github.com/jordan-clayton/qr_writer
[INFO] tweaked toml for git repo https://github.com/jordan-clayton/qr_writer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jordan-clayton/qr_writer on toolchain 89a99936d9e76a50e8df622e7242190841fd871b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jordan-clayton/qr_writer 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" "+89a99936d9e76a50e8df622e7242190841fd871b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58
[INFO] running `Command { std: "docker" "start" "6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: function `resize` is never used
[INFO] [stdout]   --> src/export.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn resize(matrix: &SquareMatrix<u8>, new_side_length: usize) -> SquareMatrix<u8> {
[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 `nearest_integer_multiple` is never used
[INFO] [stdout]   --> src/export.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn nearest_integer_multiple(old_side_length: usize, new_side_length: usize) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_svg_with_resampling` is never used
[INFO] [stdout]   --> src/export.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn render_svg_with_resampling(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_svg_without_resampling` is never used
[INFO] [stdout]    --> src/export.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn render_svg_without_resampling(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_svg` is never used
[INFO] [stdout]    --> src/export.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub fn save_svg(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_svg` is never used
[INFO] [stdout]    --> src/export.rs:191:15
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub(crate) fn write_svg(file_path: &Path, svg: &Document) -> Result<(), String> {
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_image` is never used
[INFO] [stdout]    --> src/export.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub fn render_image(matrix: &SquareMatrix<u8>, side_length: Option<usize>) -> (DynamicImage, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_png` is never used
[INFO] [stdout]    --> src/export.rs:282:8
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub fn save_png(
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_png_integer_scaling` is never used
[INFO] [stdout]    --> src/export.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn save_png_integer_scaling(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_monomial` and `evaluate_at` are never used
[INFO] [stdout]    --> src/galois.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout]  89 | impl GaloisPolynomial {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub(crate) fn is_monomial(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub(crate) fn evaluate_at(&self, a: usize) -> u8 {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gf_exp` is never used
[INFO] [stdout]    --> src/galois.rs:373:15
[INFO] [stdout]     |
[INFO] [stdout] 373 | pub(crate) fn gf_exp(a: usize) -> usize {
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gf_log` is never used
[INFO] [stdout]    --> src/galois.rs:380:15
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub(crate) fn gf_log(a: usize) -> usize {
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_penalties` is never used
[INFO] [stdout]    --> src/mask.rs:144:15
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub(crate) fn compute_penalties(matrices: &[SquareMatrix<Module>]) -> Vec<usize> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `QUIET_ZONE_SIZE` is never used
[INFO] [stdout]  --> src/matrix.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) const QUIET_ZONE_SIZE: usize = 4;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `complement` and `xor` are never used
[INFO] [stdout]    --> src/matrix.rs:91:19
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl Module {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub(crate) fn complement(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) fn xor(&mut self, mask: bool) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `complement`, `destructure_into_bytes`, and `sample_matrix` are never used
[INFO] [stdout]    --> src/matrix.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | impl SquareMatrix<u8> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] 217 |     // This might go unused, but could be helpful.
[INFO] [stdout] 218 |     pub fn complement(mut self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     pub fn destructure_into_bytes(self) -> (Vec<u8>, usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |     pub fn sample_matrix(&self, i: usize, j: usize, img_side_length: usize) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destructure_into_bytes` is never used
[INFO] [stdout]    --> src/matrix.rs:280:19
[INFO] [stdout]     |
[INFO] [stdout] 277 | impl SquareMatrix<Module> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 280 |     pub(crate) fn destructure_into_bytes(self) -> (Vec<u8>, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `matrix` is never read
[INFO] [stdout]    --> src/matrix.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 291 | pub struct QRCodeMatrix {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 295 |     matrix: SquareMatrix<Module>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `matrix` and `render` are never used
[INFO] [stdout]    --> src/matrix.rs:320:19
[INFO] [stdout]     |
[INFO] [stdout] 300 | impl QRCodeMatrix {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 320 |     pub(crate) fn matrix(&self) -> &SquareMatrix<Module> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 326 |     pub(crate) fn render(&self) -> SquareMatrix<u8> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix_and_crash` is never used
[INFO] [stdout]    --> src/matrix.rs:401:15
[INFO] [stdout]     |
[INFO] [stdout] 401 | pub(crate) fn print_matrix_and_crash(matrix: &SquareMatrix<Module>) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `top_right` and `bottom_left` are never used
[INFO] [stdout]    --> src/matrix.rs:905:19
[INFO] [stdout]     |
[INFO] [stdout] 889 | impl Corners {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 905 |     pub(crate) fn top_right(&self) -> (usize, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 909 |     pub(crate) fn bottom_left(&self) -> (usize, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALIGNMENT_CENTRE_OFFSET` is never used
[INFO] [stdout]    --> src/matrix.rs:929:7
[INFO] [stdout]     |
[INFO] [stdout] 929 | const ALIGNMENT_CENTRE_OFFSET: usize = 2;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FORMAT_INFO_BITSTRING_LEN` is never used
[INFO] [stdout]    --> src/matrix.rs:991:7
[INFO] [stdout]     |
[INFO] [stdout] 991 | const FORMAT_INFO_BITSTRING_LEN: usize = 15;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VERSION_INFO_BITSTRING_LEN` is never used
[INFO] [stdout]     --> src/matrix.rs:1082:7
[INFO] [stdout]      |
[INFO] [stdout] 1082 | const VERSION_INFO_BITSTRING_LEN: usize = 18;
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KANJI_BIT_LEN` is never used
[INFO] [stdout]   --> src/qr.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const KANJI_BIT_LEN: usize = 13;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QRError` is never constructed
[INFO] [stdout]   --> src/qr.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct QRError;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `groups` and `get_block` are never used
[INFO] [stdout]    --> src/qr.rs:632:19
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl QrSegmentation {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 632 |     pub(crate) fn groups(&self) -> &[Group] {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 637 |     pub(crate) fn get_block<'a>(&self, data: &'a [u8], group: usize, block: usize) -> &'a [u8] {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `get_or_init`
[INFO] [stdout]   --> src/encoding.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     if NUMERIC.get_or_init(init_numeric).is_match(data) {
[INFO] [stdout]    |        -------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        `NUMERIC` is a interior mutable `const` item of type `OnceCell<regex::Regex>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const NUMERIC` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] help: for a shared instance of `NUMERIC`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 14 - const NUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout] 14 + static NUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `get_or_init`
[INFO] [stdout]   --> src/encoding.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     } else if ALPHANUMERIC.get_or_init(init_alphanumeric).is_match(data) {
[INFO] [stdout]    |               ------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               `ALPHANUMERIC` is a interior mutable `const` item of type `OnceCell<regex::Regex>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const ALPHANUMERIC` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] help: for a shared instance of `ALPHANUMERIC`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 15 - const ALPHANUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout] 15 + static ALPHANUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `get_or_init`
[INFO] [stdout]   --> src/encoding.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |     } else if LATIN1.get_or_init(init_latin1).is_match(data) {
[INFO] [stdout]    |               ------^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               `LATIN1` is a interior mutable `const` item of type `OnceCell<regex::Regex>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const LATIN1` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] help: for a shared instance of `LATIN1`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 16 - const LATIN1: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout] 16 + static LATIN1: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rxing v0.9.1
[INFO] [stdout] warning: unexpected `cfg` condition value: `png`
[INFO] [stdout]    --> src/lib.rs:998:32
[INFO] [stdout]     |
[INFO] [stdout] 998 |     #[cfg(any(feature = "svg", feature = "png"))]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `image`, `kanji`, and `svg`
[INFO] [stdout]     = help: consider adding `png` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_matrix_and_crash`
[INFO] [stdout]   --> src/lib.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |         emplace_finder_patterns_into_blank_matrix, emplace_timing_patterns, print_matrix_and_crash,
[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: `resize`
[INFO] [stdout]   --> src/lib.rs:51:51
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use crate::export::{nearest_integer_multiple, resize};
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]   --> src/lib.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use std::path::{Path, PathBuf};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rxing::common::BitMatrix`
[INFO] [stdout]   --> src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use rxing::common::BitMatrix;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rxing::qrcode::common::ErrorCorrectionLevel::L`
[INFO] [stdout]   --> src/lib.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use rxing::qrcode::common::ErrorCorrectionLevel::L;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]    --> src/export.rs:126:11
[INFO] [stdout]     |
[INFO] [stdout] 126 |     const BLOCK_SIZE: usize = 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: methods `is_monomial` and `evaluate_at` are never used
[INFO] [stdout]    --> src/galois.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout]  89 | impl GaloisPolynomial {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub(crate) fn is_monomial(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub(crate) fn evaluate_at(&self, a: usize) -> u8 {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gf_log` is never used
[INFO] [stdout]    --> src/galois.rs:380:15
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub(crate) fn gf_log(a: usize) -> usize {
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_penalties` is never used
[INFO] [stdout]    --> src/mask.rs:144:15
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub(crate) fn compute_penalties(matrices: &[SquareMatrix<Module>]) -> Vec<usize> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `complement` and `xor` are never used
[INFO] [stdout]    --> src/matrix.rs:91:19
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl Module {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub(crate) fn complement(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) fn xor(&mut self, mask: bool) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `complement` and `destructure_into_bytes` are never used
[INFO] [stdout]    --> src/matrix.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | impl SquareMatrix<u8> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] 217 |     // This might go unused, but could be helpful.
[INFO] [stdout] 218 |     pub fn complement(mut self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     pub fn destructure_into_bytes(self) -> (Vec<u8>, usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix_and_crash` is never used
[INFO] [stdout]    --> src/matrix.rs:401:15
[INFO] [stdout]     |
[INFO] [stdout] 401 | pub(crate) fn print_matrix_and_crash(matrix: &SquareMatrix<Module>) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `top_right` and `bottom_left` are never used
[INFO] [stdout]    --> src/matrix.rs:905:19
[INFO] [stdout]     |
[INFO] [stdout] 889 | impl Corners {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 905 |     pub(crate) fn top_right(&self) -> (usize, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 909 |     pub(crate) fn bottom_left(&self) -> (usize, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALIGNMENT_CENTRE_OFFSET` is never used
[INFO] [stdout]    --> src/matrix.rs:929:7
[INFO] [stdout]     |
[INFO] [stdout] 929 | const ALIGNMENT_CENTRE_OFFSET: usize = 2;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FORMAT_INFO_BITSTRING_LEN` is never used
[INFO] [stdout]    --> src/matrix.rs:991:7
[INFO] [stdout]     |
[INFO] [stdout] 991 | const FORMAT_INFO_BITSTRING_LEN: usize = 15;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VERSION_INFO_BITSTRING_LEN` is never used
[INFO] [stdout]     --> src/matrix.rs:1082:7
[INFO] [stdout]      |
[INFO] [stdout] 1082 | const VERSION_INFO_BITSTRING_LEN: usize = 18;
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KANJI_BIT_LEN` is never used
[INFO] [stdout]   --> src/qr.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const KANJI_BIT_LEN: usize = 13;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QRError` is never constructed
[INFO] [stdout]   --> src/qr.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct QRError;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_nearest_integer` is never used
[INFO] [stdout]    --> src/lib.rs:999:8
[INFO] [stdout]     |
[INFO] [stdout] 999 |     fn test_nearest_integer() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_render_test_ecc_l_with_encode_hints` is never used
[INFO] [stdout]     --> src/lib.rs:1321:8
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn run_render_test_ecc_l_with_encode_hints(test_string: &str, encode_hints: &EncodeHints) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `get_or_init`
[INFO] [stdout]   --> src/encoding.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     if NUMERIC.get_or_init(init_numeric).is_match(data) {
[INFO] [stdout]    |        -------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        `NUMERIC` is a interior mutable `const` item of type `OnceCell<regex::Regex>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const NUMERIC` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] help: for a shared instance of `NUMERIC`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 14 - const NUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout] 14 + static NUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `get_or_init`
[INFO] [stdout]   --> src/encoding.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     } else if ALPHANUMERIC.get_or_init(init_alphanumeric).is_match(data) {
[INFO] [stdout]    |               ------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               `ALPHANUMERIC` is a interior mutable `const` item of type `OnceCell<regex::Regex>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const ALPHANUMERIC` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] help: for a shared instance of `ALPHANUMERIC`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 15 - const ALPHANUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout] 15 + static ALPHANUMERIC: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `get_or_init`
[INFO] [stdout]   --> src/encoding.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |     } else if LATIN1.get_or_init(init_latin1).is_match(data) {
[INFO] [stdout]    |               ------^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               `LATIN1` is a interior mutable `const` item of type `OnceCell<regex::Regex>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const LATIN1` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] help: for a shared instance of `LATIN1`, consider making it a `static` item instead
[INFO] [stdout]    |
[INFO] [stdout] 16 - const LATIN1: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout] 16 + static LATIN1: OnceCell<Regex> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58", kill_on_drop: false }`
[INFO] [stdout] 6e454a0a33807ce85d56f8b3091eac0b840789809b0a6a08cee8f8bc34f39a58
