[INFO] cloning repository https://github.com/garfieldnate/weekend_path_tracer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garfieldnate/weekend_path_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarfieldnate%2Fweekend_path_tracer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarfieldnate%2Fweekend_path_tracer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 48375dddab4a8edc58eee1548e9deb2fd2ca3fc6 [INFO] checking garfieldnate/weekend_path_tracer/48375dddab4a8edc58eee1548e9deb2fd2ca3fc6 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarfieldnate%2Fweekend_path_tracer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garfieldnate/weekend_path_tracer on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/garfieldnate/weekend_path_tracer [INFO] finished tweaking git repo https://github.com/garfieldnate/weekend_path_tracer [INFO] tweaked toml for git repo https://github.com/garfieldnate/weekend_path_tracer written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/garfieldnate/weekend_path_tracer 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wayland-cursor v0.25.0 [INFO] [stderr] Downloaded wayland-client v0.25.0 [INFO] [stderr] Downloaded wayland-scanner v0.25.0 [INFO] [stderr] Downloaded wayland-commons v0.25.0 [INFO] [stderr] Downloaded wayland-sys v0.25.0 [INFO] [stderr] Downloaded dyn-clone v1.0.1 [INFO] [stderr] Downloaded console v0.11.2 [INFO] [stderr] Downloaded wayland-protocols v0.25.0 [INFO] [stderr] Downloaded terminal_size v0.1.12 [INFO] [stderr] Downloaded termios v0.3.2 [INFO] [stderr] Downloaded minifb v0.16.0 [INFO] [stderr] Downloaded indicatif v0.14.0 [INFO] [stderr] Downloaded sdl2 v0.32.2 [INFO] [stderr] Downloaded sdl2-sys v0.32.6 [INFO] [stderr] Downloaded orbclient v0.3.27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44c6e79795e3f519fe10328949e5506c8b8f81b4f722b388c36a4d62e08b3572 [INFO] running `Command { std: "docker" "start" "-a" "44c6e79795e3f519fe10328949e5506c8b8f81b4f722b388c36a4d62e08b3572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44c6e79795e3f519fe10328949e5506c8b8f81b4f722b388c36a4d62e08b3572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44c6e79795e3f519fe10328949e5506c8b8f81b4f722b388c36a4d62e08b3572", kill_on_drop: false }` [INFO] [stdout] 44c6e79795e3f519fe10328949e5506c8b8f81b4f722b388c36a4d62e08b3572 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2215a337de3dc3aacd91c7ae3ec97255a23221287230c527beea221d6e39f1f1 [INFO] running `Command { std: "docker" "start" "-a" "2215a337de3dc3aacd91c7ae3ec97255a23221287230c527beea221d6e39f1f1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling xkbcommon-sys v0.7.4 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking deflate v0.8.4 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking dyn-clone v1.0.1 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling minifb v0.16.0 [INFO] [stderr] Compiling wayland-scanner v0.25.0 [INFO] [stderr] Checking png v0.16.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.25.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking terminal_size v0.1.12 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking xkb v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking console v0.11.2 [INFO] [stderr] Compiling wayland-client v0.25.0 [INFO] [stderr] Compiling wayland-protocols v0.25.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Checking indicatif v0.14.0 [INFO] [stderr] Checking wayland-commons v0.25.0 [INFO] [stderr] Checking image v0.23.4 [INFO] [stderr] Checking wayland-cursor v0.25.0 [INFO] [stderr] Checking weekend_path_tracer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0412]: cannot find type `ImageBuffer` in this scope [INFO] [stdout] --> src/texture.rs:82:11 [INFO] [stdout] | [INFO] [stdout] 82 | data: ImageBuffer, Vec> [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::texture::image::ImageBuffer; [INFO] [stdout] | [INFO] [stdout] 1 + use image::ImageBuffer; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `ImageBuffer` in this scope [INFO] [stdout] --> src/texture.rs:82:11 [INFO] [stdout] | [INFO] [stdout] 82 | data: ImageBuffer, Vec> [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::texture::image::ImageBuffer; [INFO] [stdout] | [INFO] [stdout] 1 + use image::ImageBuffer; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Rgb` in this scope [INFO] [stdout] --> src/texture.rs:82:23 [INFO] [stdout] | [INFO] [stdout] 82 | data: ImageBuffer, Vec> [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::texture::image::Rgb; [INFO] [stdout] | [INFO] [stdout] 1 + use image::Rgb; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Rgb` in this scope [INFO] [stdout] --> src/texture.rs:82:23 [INFO] [stdout] | [INFO] [stdout] 82 | data: ImageBuffer, Vec> [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::texture::image::Rgb; [INFO] [stdout] | [INFO] [stdout] 1 + use image::Rgb; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `nullptr` in this scope [INFO] [stdout] --> src/texture.rs:104:29 [INFO] [stdout] | [INFO] [stdout] 104 | if self.data == nullptr { [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `width` in this scope [INFO] [stdout] --> src/texture.rs:112:26 [INFO] [stdout] | [INFO] [stdout] 112 | let i = (u * width) as usize; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `nullptr` in this scope [INFO] [stdout] --> src/texture.rs:104:29 [INFO] [stdout] | [INFO] [stdout] 104 | if self.data == nullptr { [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `height` in this scope [INFO] [stdout] --> src/texture.rs:113:26 [INFO] [stdout] | [INFO] [stdout] 113 | let j = (v * height) as usize; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `width` in this scope [INFO] [stdout] --> src/texture.rs:112:26 [INFO] [stdout] | [INFO] [stdout] 112 | let i = (u * width) as usize; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `width` in this scope [INFO] [stdout] --> src/texture.rs:116:30 [INFO] [stdout] | [INFO] [stdout] 116 | let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `width` in this scope [INFO] [stdout] --> src/texture.rs:116:39 [INFO] [stdout] | [INFO] [stdout] 116 | let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `height` in this scope [INFO] [stdout] --> src/texture.rs:113:26 [INFO] [stdout] | [INFO] [stdout] 113 | let j = (v * height) as usize; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `height` in this scope [INFO] [stdout] --> src/texture.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `height` in this scope [INFO] [stdout] --> src/texture.rs:117:43 [INFO] [stdout] | [INFO] [stdout] 117 | let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `width` in this scope [INFO] [stdout] --> src/texture.rs:116:30 [INFO] [stdout] | [INFO] [stdout] 116 | let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `width` in this scope [INFO] [stdout] --> src/texture.rs:116:39 [INFO] [stdout] | [INFO] [stdout] 116 | let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `height` in this scope [INFO] [stdout] --> src/texture.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `height` in this scope [INFO] [stdout] --> src/texture.rs:117:43 [INFO] [stdout] | [INFO] [stdout] 117 | let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/texture.rs:116:24 [INFO] [stdout] | [INFO] [stdout] 116 | let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] 116 + let i = if i >= width {width-1} else {i}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/texture.rs:116:24 [INFO] [stdout] | [INFO] [stdout] 116 | let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - let i = if (i >= width) {width-1} else {i}; [INFO] [stdout] 116 + let i = if i >= width {width-1} else {i}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/texture.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 117 - let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] 117 + let j = if j >= height {j = height-1} else {j}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/texture.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 117 - let j = if (j >= height) {j = height-1} else {j}; [INFO] [stdout] 117 + let j = if j >= height {j = height-1} else {j}; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/texture.rs:86:44 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn new>(path: P) -> Self { [INFO] [stdout] | --- ^^^^ expected `ImageTexture`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/texture.rs:86:44 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn new>(path: P) -> Self { [INFO] [stdout] | --- ^^^^ expected `ImageTexture`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `color` in this scope [INFO] [stdout] --> src/texture.rs:105:24 [INFO] [stdout] | [INFO] [stdout] 105 | return color(0,1,1); [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `color` in this scope [INFO] [stdout] --> src/texture.rs:105:24 [INFO] [stdout] | [INFO] [stdout] 105 | return color(0,1,1); [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t0` [INFO] [stdout] --> src/sphere.rs:65:28 [INFO] [stdout] | [INFO] [stdout] 65 | fn bounding_box(&self, t0: f64, t1: f64) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t1` [INFO] [stdout] --> src/sphere.rs:65:37 [INFO] [stdout] | [INFO] [stdout] 65 | fn bounding_box(&self, t0: f64, t1: f64) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t0` [INFO] [stdout] --> src/sphere.rs:65:28 [INFO] [stdout] | [INFO] [stdout] 65 | fn bounding_box(&self, t0: f64, t1: f64) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t1` [INFO] [stdout] --> src/sphere.rs:65:37 [INFO] [stdout] | [INFO] [stdout] 65 | fn bounding_box(&self, t0: f64, t1: f64) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 11 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0412, E0425. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 11 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0412, E0425. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `weekend_path_tracer` (lib) due to 12 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `weekend_path_tracer` (lib test) due to 12 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2215a337de3dc3aacd91c7ae3ec97255a23221287230c527beea221d6e39f1f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2215a337de3dc3aacd91c7ae3ec97255a23221287230c527beea221d6e39f1f1", kill_on_drop: false }` [INFO] [stdout] 2215a337de3dc3aacd91c7ae3ec97255a23221287230c527beea221d6e39f1f1