[INFO] cloning repository https://github.com/bitbangr/img_tile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bitbangr/img_tile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e43f6d367b46233a978b7aca660a031d1eb846d8
[INFO] checking bitbangr/img_tile against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitbangr/img_tile on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bitbangr/img_tile
[INFO] finished tweaking git repo https://github.com/bitbangr/img_tile
[INFO] tweaked toml for git repo https://github.com/bitbangr/img_tile written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bitbangr/img_tile 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded euclid v0.22.4
[INFO] [stderr]   Downloaded lopdf v0.26.0
[INFO] [stderr]   Downloaded printpdf v0.3.4
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[INFO] [stdout] 33553b29ae4cee273e92f235e381bef2062a0146129bba99661ec53ab97f6798
[INFO] running `Command { std: "docker" "start" "-a" "33553b29ae4cee273e92f235e381bef2062a0146129bba99661ec53ab97f6798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33553b29ae4cee273e92f235e381bef2062a0146129bba99661ec53ab97f6798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33553b29ae4cee273e92f235e381bef2062a0146129bba99661ec53ab97f6798", kill_on_drop: false }`
[INFO] [stdout] 33553b29ae4cee273e92f235e381bef2062a0146129bba99661ec53ab97f6798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 487eef4b51a40fe78a6b06e7a59d7d279af9dbd8d9d17c5dabfab263693443f4
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[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling time v0.2.26
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[INFO] [stderr]    Compiling num-iter v0.1.42
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
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[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
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[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking lopdf v0.26.0
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[INFO] [stderr]     Checking serde v1.0.126
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[INFO] [stderr]     Checking img_tile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/pdf_util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::option::Option::Some;use crate::modtile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/pdf_util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::option::Option::Some;use crate::modtile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_left_mm`
[INFO] [stdout]    --> src/pdf_util.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_right_mm`
[INFO] [stdout]    --> src/pdf_util.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_0_x`
[INFO] [stdout]    --> src/pdf_util.rs:486:14
[INFO] [stdout]     |
[INFO] [stdout] 486 |          let col_0_x :i32 = 20;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_1_x`
[INFO] [stdout]    --> src/pdf_util.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |          let col_1_x :i32 = 110;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_2_x`
[INFO] [stdout]    --> src/pdf_util.rs:488:14
[INFO] [stdout]     |
[INFO] [stdout] 488 |          let col_2_x :i32 = 195;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_left_mm`
[INFO] [stdout]    --> src/pdf_util.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_right_mm`
[INFO] [stdout]    --> src/pdf_util.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_0_x`
[INFO] [stdout]    --> src/pdf_util.rs:486:14
[INFO] [stdout]     |
[INFO] [stdout] 486 |          let col_0_x :i32 = 20;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_1_x`
[INFO] [stdout]    --> src/pdf_util.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |          let col_1_x :i32 = 110;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_2_x`
[INFO] [stdout]    --> src/pdf_util.rs:488:14
[INFO] [stdout]     |
[INFO] [stdout] 488 |          let col_2_x :i32 = 195;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         for (_j, mut tile) in pane.iter_mut().enumerate(){
[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: function `draw_summary_circles` is never used
[INFO] [stdout]    --> src/pdf_util.rs:952:4
[INFO] [stdout]     |
[INFO] [stdout] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_diag` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1006:4
[INFO] [stdout]      |
[INFO] [stdout] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_circle_with_pts_no_fill` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1276:4
[INFO] [stdout]      |
[INFO] [stdout] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_points_for_circle` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1368:4
[INFO] [stdout]      |
[INFO] [stdout] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         for (_j, mut tile) in pane.iter_mut().enumerate(){
[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: function `old_load_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_config` is never used
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/json_export.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_summary_circles` is never used
[INFO] [stdout]    --> src/pdf_util.rs:952:4
[INFO] [stdout]     |
[INFO] [stdout] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_diag` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1006:4
[INFO] [stdout]      |
[INFO] [stdout] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_circle_with_pts_no_fill` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1276:4
[INFO] [stdout]      |
[INFO] [stdout] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_points_for_circle` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1368:4
[INFO] [stdout]      |
[INFO] [stdout] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old_load_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_config` is never used
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/json_export.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:6
[INFO] [stdout]     |
[INFO] [stdout] 276 | /      dump_rgb_json(&output_window, 
[INFO] [stdout] 277 | |         output_width_tile_count,
[INFO] [stdout] 278 | |         output_height_tile_count,
[INFO] [stdout] 279 | |         cfg.tiles_per_pane_width,
[INFO] [stdout] 280 | |         cfg.tiles_per_pane_height,
[INFO] [stdout] 281 | |         save_path );
[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] 276 |      let _ = dump_rgb_json(&output_window, 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1078:13
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         &ret.push (pane_box);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:6
[INFO] [stdout]     |
[INFO] [stdout] 276 | /      dump_rgb_json(&output_window, 
[INFO] [stdout] 277 | |         output_width_tile_count,
[INFO] [stdout] 278 | |         output_height_tile_count,
[INFO] [stdout] 279 | |         cfg.tiles_per_pane_width,
[INFO] [stdout] 280 | |         cfg.tiles_per_pane_height,
[INFO] [stdout] 281 | |         save_path );
[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] 276 |      let _ = dump_rgb_json(&output_window, 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1078:13
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         &ret.push (pane_box);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "487eef4b51a40fe78a6b06e7a59d7d279af9dbd8d9d17c5dabfab263693443f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487eef4b51a40fe78a6b06e7a59d7d279af9dbd8d9d17c5dabfab263693443f4", kill_on_drop: false }`
[INFO] [stdout] 487eef4b51a40fe78a6b06e7a59d7d279af9dbd8d9d17c5dabfab263693443f4
[INFO] checking bitbangr/img_tile against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitbangr/img_tile on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bitbangr/img_tile
[INFO] finished tweaking git repo https://github.com/bitbangr/img_tile
[INFO] tweaked toml for git repo https://github.com/bitbangr/img_tile written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bitbangr/img_tile 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6db563d0764a8a4e62b461a980a07d6102cba4b99f095cc88357b1cdab9de97
[INFO] running `Command { std: "docker" "start" "-a" "d6db563d0764a8a4e62b461a980a07d6102cba4b99f095cc88357b1cdab9de97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6db563d0764a8a4e62b461a980a07d6102cba4b99f095cc88357b1cdab9de97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6db563d0764a8a4e62b461a980a07d6102cba4b99f095cc88357b1cdab9de97", kill_on_drop: false }`
[INFO] [stdout] d6db563d0764a8a4e62b461a980a07d6102cba4b99f095cc88357b1cdab9de97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363f95357c15f683cf75471bdf6a0dd43b3d9dbea167053c7cd38587ec4f8001
[INFO] running `Command { std: "docker" "start" "-a" "363f95357c15f683cf75471bdf6a0dd43b3d9dbea167053c7cd38587ec4f8001", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.22.4
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking lopdf v0.26.0
[INFO] [stderr]     Checking printpdf v0.3.4
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking img_tile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/pdf_util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::option::Option::Some;use crate::modtile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/pdf_util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::option::Option::Some;use crate::modtile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_left_mm`
[INFO] [stdout]    --> src/pdf_util.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_right_mm`
[INFO] [stdout]    --> src/pdf_util.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_0_x`
[INFO] [stdout]    --> src/pdf_util.rs:486:14
[INFO] [stdout]     |
[INFO] [stdout] 486 |          let col_0_x :i32 = 20;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_1_x`
[INFO] [stdout]    --> src/pdf_util.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |          let col_1_x :i32 = 110;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_2_x`
[INFO] [stdout]    --> src/pdf_util.rs:488:14
[INFO] [stdout]     |
[INFO] [stdout] 488 |          let col_2_x :i32 = 195;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_left_mm`
[INFO] [stdout]    --> src/pdf_util.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_right_mm`
[INFO] [stdout]    --> src/pdf_util.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_0_x`
[INFO] [stdout]    --> src/pdf_util.rs:486:14
[INFO] [stdout]     |
[INFO] [stdout] 486 |          let col_0_x :i32 = 20;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_1_x`
[INFO] [stdout]    --> src/pdf_util.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |          let col_1_x :i32 = 110;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_2_x`
[INFO] [stdout]    --> src/pdf_util.rs:488:14
[INFO] [stdout]     |
[INFO] [stdout] 488 |          let col_2_x :i32 = 195;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         for (_j, mut tile) in pane.iter_mut().enumerate(){
[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: function `draw_summary_circles` is never used
[INFO] [stdout]    --> src/pdf_util.rs:952:4
[INFO] [stdout]     |
[INFO] [stdout] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_diag` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1006:4
[INFO] [stdout]      |
[INFO] [stdout] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_circle_with_pts_no_fill` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1276:4
[INFO] [stdout]      |
[INFO] [stdout] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_points_for_circle` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1368:4
[INFO] [stdout]      |
[INFO] [stdout] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old_load_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_config` is never used
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/json_export.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:6
[INFO] [stdout]     |
[INFO] [stdout] 276 | /      dump_rgb_json(&output_window, 
[INFO] [stdout] 277 | |         output_width_tile_count,
[INFO] [stdout] 278 | |         output_height_tile_count,
[INFO] [stdout] 279 | |         cfg.tiles_per_pane_width,
[INFO] [stdout] 280 | |         cfg.tiles_per_pane_height,
[INFO] [stdout] 281 | |         save_path );
[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] 276 |      let _ = dump_rgb_json(&output_window, 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1078:13
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         &ret.push (pane_box);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:195:18
[INFO] [stdout]     |
[INFO] [stdout] 195 |         for (_j, mut tile) in pane.iter_mut().enumerate(){
[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: function `draw_summary_circles` is never used
[INFO] [stdout]    --> src/pdf_util.rs:952:4
[INFO] [stdout]     |
[INFO] [stdout] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_diag` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1006:4
[INFO] [stdout]      |
[INFO] [stdout] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_circle_with_pts_no_fill` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1276:4
[INFO] [stdout]      |
[INFO] [stdout] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_points_for_circle` is never used
[INFO] [stdout]     --> src/pdf_util.rs:1368:4
[INFO] [stdout]      |
[INFO] [stdout] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old_load_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_all_colors` is never used
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_config` is never used
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/json_export.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:6
[INFO] [stdout]     |
[INFO] [stdout] 276 | /      dump_rgb_json(&output_window, 
[INFO] [stdout] 277 | |         output_width_tile_count,
[INFO] [stdout] 278 | |         output_height_tile_count,
[INFO] [stdout] 279 | |         cfg.tiles_per_pane_width,
[INFO] [stdout] 280 | |         cfg.tiles_per_pane_height,
[INFO] [stdout] 281 | |         save_path );
[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] 276 |      let _ = dump_rgb_json(&output_window, 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1078:13
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         &ret.push (pane_box);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.85s
[INFO] running `Command { std: "docker" "inspect" "363f95357c15f683cf75471bdf6a0dd43b3d9dbea167053c7cd38587ec4f8001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363f95357c15f683cf75471bdf6a0dd43b3d9dbea167053c7cd38587ec4f8001", kill_on_drop: false }`
[INFO] [stdout] 363f95357c15f683cf75471bdf6a0dd43b3d9dbea167053c7cd38587ec4f8001