[INFO] cloning repository https://github.com/firephyz/RustRaytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/firephyz/RustRaytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirephyz%2FRustRaytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirephyz%2FRustRaytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e3ef73fa7f48b92c4e67ed5bd27e6f28669e210
[INFO] checking firephyz/RustRaytracer against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirephyz%2FRustRaytracer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/firephyz/RustRaytracer
[INFO] finished tweaking git repo https://github.com/firephyz/RustRaytracer
[INFO] tweaked toml for git repo https://github.com/firephyz/RustRaytracer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/firephyz/RustRaytracer on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/firephyz/RustRaytracer 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bf3235d360ae382082df4e978b940d14d6e346895ef0f2b5619100121fc05f3
[INFO] running `Command { std: "docker" "start" "-a" "7bf3235d360ae382082df4e978b940d14d6e346895ef0f2b5619100121fc05f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf3235d360ae382082df4e978b940d14d6e346895ef0f2b5619100121fc05f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf3235d360ae382082df4e978b940d14d6e346895ef0f2b5619100121fc05f3", kill_on_drop: false }`
[INFO] [stdout] 7bf3235d360ae382082df4e978b940d14d6e346895ef0f2b5619100121fc05f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4380c98119816c1cabe04efda18eaf34786aa32fac960538d03c3bb8b708b79
[INFO] running `Command { std: "docker" "start" "-a" "c4380c98119816c1cabe04efda18eaf34786aa32fac960538d03c3bb8b708b79", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking rust_raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[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: `std::boxed::Box`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PixelFormatEnum`
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use sdl2::pixels::{PixelFormatEnum};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/err_enum.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::From`
[INFO] [stdout]  --> src/err_enum.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]  --> src/input.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::keyboard::Keycode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `normal`
[INFO] [stdout]    --> src/scene/light_ray.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn reflect(&self, normal: &Ray) -> Point {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_normal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 timestamp,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 window_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 timestamp, window_id, which,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 timestamp, window_id, which,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `which`
[INFO] [stdout]    --> src/main.rs:145:39
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 timestamp, window_id, which,
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `which: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_btn`
[INFO] [stdout]    --> src/main.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `mouse_btn: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clicks`
[INFO] [stdout]    --> src/main.rs:146:28
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                            ^^^^^^ help: try ignoring the field: `clicks: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:146:36
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:146:39
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                       ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 timestamp, window_id, which,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 timestamp, window_id, which,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `which`
[INFO] [stdout]    --> src/main.rs:151:39
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 timestamp, window_id, which,
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `which: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_btn`
[INFO] [stdout]    --> src/main.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `mouse_btn: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clicks`
[INFO] [stdout]    --> src/main.rs:152:28
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                            ^^^^^^ help: try ignoring the field: `clicks: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:152:36
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:152:39
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                       ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 timestamp, window_id, which,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:157:28
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 timestamp, window_id, which,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `which`
[INFO] [stdout]    --> src/main.rs:157:39
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 timestamp, window_id, which,
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `which: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mousestate`
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 mousestate, x, y, xrel, yrel
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `mousestate: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 mousestate, x, y, xrel, yrel
[INFO] [stdout]     |                             ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 mousestate, x, y, xrel, yrel
[INFO] [stdout]     |                                ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 timestamp, window_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 timestamp, window_id,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> src/main.rs:167:26
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                          ^^^^^^^^ help: try ignoring the field: `scancode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keymod`
[INFO] [stdout]    --> src/main.rs:167:36
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                                    ^^^^^^ help: try ignoring the field: `keymod: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 timestamp, window_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 timestamp, window_id,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> src/main.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                          ^^^^^^^^ help: try ignoring the field: `scancode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keymod`
[INFO] [stdout]    --> src/main.rs:189:36
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                                    ^^^^^^ help: try ignoring the field: `keymod: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repeat`
[INFO] [stdout]    --> src/main.rs:189:44
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                                            ^^^^^^ help: try ignoring the field: `repeat: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video` are never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct AppContext {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 38 |     sdl_context: Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 39 |     video: VideoSubsystem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 |             panic!(estring);
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 95 |             panic!("{}", estring);
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/scene/light_ray.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         write!(fmt, "({}, {}, {})\t({}, {}, {})",
[INFO] [stdout] 137 | |             self.ray.position.x,
[INFO] [stdout] 138 | |             self.ray.position.y,
[INFO] [stdout] 139 | |             self.ray.position.z,
[INFO] [stdout] 140 | |             self.ray.direction.x,
[INFO] [stdout] 141 | |             self.ray.direction.y,
[INFO] [stdout] 142 | |             self.ray.direction.z);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let _ = write!(fmt, "({}, {}, {})\t({}, {}, {})",
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/camera.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn pixels_iter(&self) -> CameraPixelIterator {
[INFO] [stdout]    |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn pixels_iter(&self) -> CameraPixelIterator<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/camera.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(camera: &Camera) -> CameraPixelIterator {
[INFO] [stdout]    |                        ^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(camera: &Camera) -> CameraPixelIterator<'_> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[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: `std::boxed::Box`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PixelFormatEnum`
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use sdl2::pixels::{PixelFormatEnum};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/err_enum.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::From`
[INFO] [stdout]  --> src/err_enum.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]  --> src/input.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::keyboard::Keycode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `normal`
[INFO] [stdout]    --> src/scene/light_ray.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn reflect(&self, normal: &Ray) -> Point {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_normal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 timestamp,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 window_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 timestamp, window_id, which,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 timestamp, window_id, which,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `which`
[INFO] [stdout]    --> src/main.rs:145:39
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 timestamp, window_id, which,
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `which: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_btn`
[INFO] [stdout]    --> src/main.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `mouse_btn: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clicks`
[INFO] [stdout]    --> src/main.rs:146:28
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                            ^^^^^^ help: try ignoring the field: `clicks: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:146:36
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:146:39
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                       ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 timestamp, window_id, which,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 timestamp, window_id, which,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `which`
[INFO] [stdout]    --> src/main.rs:151:39
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 timestamp, window_id, which,
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `which: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_btn`
[INFO] [stdout]    --> src/main.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `mouse_btn: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clicks`
[INFO] [stdout]    --> src/main.rs:152:28
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                            ^^^^^^ help: try ignoring the field: `clicks: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:152:36
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                    ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:152:39
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mouse_btn, clicks, x, y,
[INFO] [stdout]     |                                       ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 timestamp, window_id, which,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:157:28
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 timestamp, window_id, which,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `which`
[INFO] [stdout]    --> src/main.rs:157:39
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 timestamp, window_id, which,
[INFO] [stdout]     |                                       ^^^^^ help: try ignoring the field: `which: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mousestate`
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 mousestate, x, y, xrel, yrel
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `mousestate: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 mousestate, x, y, xrel, yrel
[INFO] [stdout]     |                             ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 mousestate, x, y, xrel, yrel
[INFO] [stdout]     |                                ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 timestamp, window_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 timestamp, window_id,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> src/main.rs:167:26
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                          ^^^^^^^^ help: try ignoring the field: `scancode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keymod`
[INFO] [stdout]    --> src/main.rs:167:36
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                                    ^^^^^^ help: try ignoring the field: `keymod: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/main.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 timestamp, window_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `timestamp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 timestamp, window_id,
[INFO] [stdout]     |                            ^^^^^^^^^ help: try ignoring the field: `window_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> src/main.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                          ^^^^^^^^ help: try ignoring the field: `scancode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keymod`
[INFO] [stdout]    --> src/main.rs:189:36
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                                    ^^^^^^ help: try ignoring the field: `keymod: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repeat`
[INFO] [stdout]    --> src/main.rs:189:44
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 keycode, scancode, keymod, repeat
[INFO] [stdout]     |                                            ^^^^^^ help: try ignoring the field: `repeat: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video` are never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct AppContext {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 38 |     sdl_context: Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 39 |     video: VideoSubsystem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 |             panic!(estring);
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 95 |             panic!("{}", estring);
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/scene/light_ray.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         write!(fmt, "({}, {}, {})\t({}, {}, {})",
[INFO] [stdout] 137 | |             self.ray.position.x,
[INFO] [stdout] 138 | |             self.ray.position.y,
[INFO] [stdout] 139 | |             self.ray.position.z,
[INFO] [stdout] 140 | |             self.ray.direction.x,
[INFO] [stdout] 141 | |             self.ray.direction.y,
[INFO] [stdout] 142 | |             self.ray.direction.z);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let _ = write!(fmt, "({}, {}, {})\t({}, {}, {})",
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/camera.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn pixels_iter(&self) -> CameraPixelIterator {
[INFO] [stdout]    |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn pixels_iter(&self) -> CameraPixelIterator<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/camera.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(camera: &Camera) -> CameraPixelIterator {
[INFO] [stdout]    |                        ^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(camera: &Camera) -> CameraPixelIterator<'_> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "c4380c98119816c1cabe04efda18eaf34786aa32fac960538d03c3bb8b708b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4380c98119816c1cabe04efda18eaf34786aa32fac960538d03c3bb8b708b79", kill_on_drop: false }`
[INFO] [stdout] c4380c98119816c1cabe04efda18eaf34786aa32fac960538d03c3bb8b708b79
