[INFO] cloning repository https://github.com/cj-hines/font-rendering-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cj-hines/font-rendering-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcj-hines%2Ffont-rendering-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcj-hines%2Ffont-rendering-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7c9336329e707bd3d4f11e6a75344e7aebbe06b
[INFO] checking cj-hines/font-rendering-engine against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcj-hines%2Ffont-rendering-engine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
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[INFO] validating manifest of git repo https://github.com/cj-hines/font-rendering-engine 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/cj-hines/font-rendering-engine
[INFO] finished tweaking git repo https://github.com/cj-hines/font-rendering-engine
[INFO] tweaked toml for git repo https://github.com/cj-hines/font-rendering-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cj-hines/font-rendering-engine 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 vector2d v2.2.0
[INFO] [stderr]   Downloaded proc_vector2d v1.0.2
[INFO] [stderr]   Downloaded roots v0.0.8
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 250862d2bfc0b234020ca85bc6d24b526b75cb8e6025778efdf2a911bde77a90
[INFO] running `Command { std: "docker" "start" "-a" "250862d2bfc0b234020ca85bc6d24b526b75cb8e6025778efdf2a911bde77a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "250862d2bfc0b234020ca85bc6d24b526b75cb8e6025778efdf2a911bde77a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250862d2bfc0b234020ca85bc6d24b526b75cb8e6025778efdf2a911bde77a90", kill_on_drop: false }`
[INFO] [stdout] 250862d2bfc0b234020ca85bc6d24b526b75cb8e6025778efdf2a911bde77a90
[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_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] 02ef3e513578e96c886d69fd79b62473fea4cc9c6c6eb36a4e00cbc3ecb613b4
[INFO] running `Command { std: "docker" "start" "-a" "02ef3e513578e96c886d69fd79b62473fea4cc9c6c6eb36a4e00cbc3ecb613b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc_vector2d v1.0.2
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking roots v0.0.8
[INFO] [stderr]     Checking vector2d v2.2.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking sdl2-sys v0.35.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sdl2 v0.35.2
[INFO] [stderr]     Checking ttf-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `canvas_width`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas_height`
[INFO] [stdout]   --> src/main.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]    --> src/main.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (segments, bbox) = extract_outline(&face, 'a'); // Use the bounding box of lowercase a
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_height`
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let bbox_height = bbox.unwrap().height() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_width`
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bbox_width = bbox.unwrap().width() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `samples` is never read
[INFO] [stdout]   --> src/metrics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Metrics {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub samples: i32
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas_width`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas_height`
[INFO] [stdout]   --> src/main.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]    --> src/main.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (segments, bbox) = extract_outline(&face, 'a'); // Use the bounding box of lowercase a
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_height`
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let bbox_height = bbox.unwrap().height() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_width`
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bbox_width = bbox.unwrap().width() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `samples` is never read
[INFO] [stdout]   --> src/metrics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Metrics {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub samples: i32
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "02ef3e513578e96c886d69fd79b62473fea4cc9c6c6eb36a4e00cbc3ecb613b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ef3e513578e96c886d69fd79b62473fea4cc9c6c6eb36a4e00cbc3ecb613b4", kill_on_drop: false }`
[INFO] [stdout] 02ef3e513578e96c886d69fd79b62473fea4cc9c6c6eb36a4e00cbc3ecb613b4
[INFO] checking cj-hines/font-rendering-engine against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcj-hines%2Ffont-rendering-engine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cj-hines/font-rendering-engine on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cj-hines/font-rendering-engine
[INFO] finished tweaking git repo https://github.com/cj-hines/font-rendering-engine
[INFO] tweaked toml for git repo https://github.com/cj-hines/font-rendering-engine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cj-hines/font-rendering-engine 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ed3a368e318c2fbae6284c90112ce0f5c608c9dba6ecd60bc9c86608fd3c7f
[INFO] running `Command { std: "docker" "start" "-a" "05ed3a368e318c2fbae6284c90112ce0f5c608c9dba6ecd60bc9c86608fd3c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ed3a368e318c2fbae6284c90112ce0f5c608c9dba6ecd60bc9c86608fd3c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ed3a368e318c2fbae6284c90112ce0f5c608c9dba6ecd60bc9c86608fd3c7f", kill_on_drop: false }`
[INFO] [stdout] 05ed3a368e318c2fbae6284c90112ce0f5c608c9dba6ecd60bc9c86608fd3c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382fb134000e79fb5e7024db48bebbf9728b44839d9810acccd3573cf83f3074
[INFO] running `Command { std: "docker" "start" "-a" "382fb134000e79fb5e7024db48bebbf9728b44839d9810acccd3573cf83f3074", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc_vector2d v1.0.2
[INFO] [stderr]     Checking roots v0.0.8
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking vector2d v2.2.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking sdl2-sys v0.35.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sdl2 v0.35.2
[INFO] [stderr]     Checking ttf-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `canvas_width`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas_height`
[INFO] [stdout]   --> src/main.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]    --> src/main.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (segments, bbox) = extract_outline(&face, 'a'); // Use the bounding box of lowercase a
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_height`
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let bbox_height = bbox.unwrap().height() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_width`
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bbox_width = bbox.unwrap().width() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `samples` is never read
[INFO] [stdout]   --> src/metrics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Metrics {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub samples: i32
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas_width`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas_height`
[INFO] [stdout]   --> src/main.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let (canvas_width, canvas_height) = canvas.logical_size();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]    --> src/main.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (segments, bbox) = extract_outline(&face, 'a'); // Use the bounding box of lowercase a
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_height`
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let bbox_height = bbox.unwrap().height() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox_width`
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bbox_width = bbox.unwrap().width() as f32;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bbox_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `samples` is never read
[INFO] [stdout]   --> src/metrics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Metrics {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub samples: i32
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "382fb134000e79fb5e7024db48bebbf9728b44839d9810acccd3573cf83f3074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382fb134000e79fb5e7024db48bebbf9728b44839d9810acccd3573cf83f3074", kill_on_drop: false }`
[INFO] [stdout] 382fb134000e79fb5e7024db48bebbf9728b44839d9810acccd3573cf83f3074