[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] d44b4a63f4c1a7bca180137e3cab037fe7f8e5ea
[INFO] checking bitbangr/img_tile against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitbangr/img_tile on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-29/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: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2f0d362db40d6da5aaef7441f7421ff87aa9889b24bd7b7e39993d3930d801cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f0d362db40d6da5aaef7441f7421ff87aa9889b24bd7b7e39993d3930d801cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0d362db40d6da5aaef7441f7421ff87aa9889b24bd7b7e39993d3930d801cf", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31975d6cda3eed4bec2acf441c735df730deb780f0f8dc994df575ce44d8a6e8
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling serde v1.0.126
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[INFO] [stderr]     Checking image v0.23.14
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[INFO] [stderr]     Checking lopdf v0.26.0
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[INFO] [stderr]     Checking img_tile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `draw_summary_circles`
[INFO] [stdout]    --> src/pdf_util.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | 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 is never used: `draw_diag`
[INFO] [stdout]    --> src/pdf_util.rs:897:4
[INFO] [stdout]     |
[INFO] [stdout] 897 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_circle_with_pts_no_fill`
[INFO] [stdout]     --> src/pdf_util.rs:1167:4
[INFO] [stdout]      |
[INFO] [stdout] 1167 | 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 is never used: `get_points_for_circle`
[INFO] [stdout]     --> src/pdf_util.rs:1259:4
[INFO] [stdout]      |
[INFO] [stdout] 1259 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_and_save_test_config`
[INFO] [stdout]   --> src/modtile.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_allcolors_struct`
[INFO] [stdout]    --> src/modtile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_load_all_colors`
[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 is never used: `save_all_colors`
[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 is never used: `save_config`
[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: unused borrow that must be used
[INFO] [stdout]    --> src/pdf_util.rs:969:13
[INFO] [stdout]     |
[INFO] [stdout] 969 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 969 |             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:1082:9
[INFO] [stdout]      |
[INFO] [stdout] 1082 |         &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] 1082 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_summary_circles`
[INFO] [stdout]    --> src/pdf_util.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | 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 is never used: `draw_diag`
[INFO] [stdout]    --> src/pdf_util.rs:897:4
[INFO] [stdout]     |
[INFO] [stdout] 897 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_circle_with_pts_no_fill`
[INFO] [stdout]     --> src/pdf_util.rs:1167:4
[INFO] [stdout]      |
[INFO] [stdout] 1167 | 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 is never used: `get_points_for_circle`
[INFO] [stdout]     --> src/pdf_util.rs:1259:4
[INFO] [stdout]      |
[INFO] [stdout] 1259 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_and_save_test_config`
[INFO] [stdout]   --> src/modtile.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_allcolors_struct`
[INFO] [stdout]    --> src/modtile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_load_all_colors`
[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 is never used: `save_all_colors`
[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 is never used: `save_config`
[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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/pdf_util.rs:969:13
[INFO] [stdout]     |
[INFO] [stdout] 969 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 969 |             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:1082:9
[INFO] [stdout]      |
[INFO] [stdout] 1082 |         &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] 1082 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.84s
[INFO] running `Command { std: "docker" "inspect" "31975d6cda3eed4bec2acf441c735df730deb780f0f8dc994df575ce44d8a6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31975d6cda3eed4bec2acf441c735df730deb780f0f8dc994df575ce44d8a6e8", kill_on_drop: false }`
[INFO] [stdout] 31975d6cda3eed4bec2acf441c735df730deb780f0f8dc994df575ce44d8a6e8