[INFO] cloning repository https://github.com/JuanPotato/Sandpile [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanPotato/Sandpile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 19a6c3c6203e9a11b78f710ef2d0e81006784435 [INFO] checking JuanPotato/Sandpile against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JuanPotato/Sandpile 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/JuanPotato/Sandpile [INFO] finished tweaking git repo https://github.com/JuanPotato/Sandpile [INFO] tweaked toml for git repo https://github.com/JuanPotato/Sandpile written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JuanPotato/Sandpile 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 git repository `https://github.com/AngryLawyer/rust-sdl2.git` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.1.37 [INFO] [stderr] Downloaded num v0.1.37 [INFO] [stderr] Downloaded num-integer v0.1.33 [INFO] [stderr] Downloaded lazy_static v0.2.4 [INFO] [stderr] Downloaded num-iter v0.1.33 [INFO] [stderr] Downloaded rand v0.3.15 [INFO] [stderr] Downloaded libc v0.2.21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4bfe8d16cebe177c60c642998054ff9c10a849cea3455fcaf60732d7e262e4da [INFO] running `Command { std: "docker" "start" "-a" "4bfe8d16cebe177c60c642998054ff9c10a849cea3455fcaf60732d7e262e4da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bfe8d16cebe177c60c642998054ff9c10a849cea3455fcaf60732d7e262e4da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bfe8d16cebe177c60c642998054ff9c10a849cea3455fcaf60732d7e262e4da", kill_on_drop: false }` [INFO] [stdout] 4bfe8d16cebe177c60c642998054ff9c10a849cea3455fcaf60732d7e262e4da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f55d766b9ed3d91dd9f2859a0d4c7eaa328bb2bf5060b5d6570ed364ca11bd41 [INFO] running `Command { std: "docker" "start" "-a" "f55d766b9ed3d91dd9f2859a0d4c7eaa328bb2bf5060b5d6570ed364ca11bd41", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling sdl2-sys v0.27.2 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632) [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking lazy_static v0.2.4 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking sdl2 v0.29.0 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632) [INFO] [stderr] Checking sandpiles v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 221 - let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] 221 + let w = WIDTH as f64 / sqrt as f64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 221 - let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] 221 + let w = WIDTH as f64 / sqrt as f64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_square` is never used [INFO] [stdout] --> src/main.rs:203:4 [INFO] [stdout] | [INFO] [stdout] 203 | fn print_square(arr: &[u32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_square` is never used [INFO] [stdout] --> src/main.rs:203:4 [INFO] [stdout] | [INFO] [stdout] 203 | fn print_square(arr: &[u32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 229 | let _ = rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 229 | let _ = rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s [INFO] running `Command { std: "docker" "inspect" "f55d766b9ed3d91dd9f2859a0d4c7eaa328bb2bf5060b5d6570ed364ca11bd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f55d766b9ed3d91dd9f2859a0d4c7eaa328bb2bf5060b5d6570ed364ca11bd41", kill_on_drop: false }` [INFO] [stdout] f55d766b9ed3d91dd9f2859a0d4c7eaa328bb2bf5060b5d6570ed364ca11bd41 [INFO] checking JuanPotato/Sandpile against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2FSandpile" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JuanPotato/Sandpile 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/JuanPotato/Sandpile [INFO] finished tweaking git repo https://github.com/JuanPotato/Sandpile [INFO] tweaked toml for git repo https://github.com/JuanPotato/Sandpile written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JuanPotato/Sandpile 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8901334d6298f2a176f8cd896b481ff361b67286772364610cc3c213d57005c [INFO] running `Command { std: "docker" "start" "-a" "f8901334d6298f2a176f8cd896b481ff361b67286772364610cc3c213d57005c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8901334d6298f2a176f8cd896b481ff361b67286772364610cc3c213d57005c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8901334d6298f2a176f8cd896b481ff361b67286772364610cc3c213d57005c", kill_on_drop: false }` [INFO] [stdout] f8901334d6298f2a176f8cd896b481ff361b67286772364610cc3c213d57005c [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f53a77e5ef9f55f3d5172b42bd8a867bdf1671b28827e71b6c1188160230d767 [INFO] running `Command { std: "docker" "start" "-a" "f53a77e5ef9f55f3d5172b42bd8a867bdf1671b28827e71b6c1188160230d767", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling sdl2-sys v0.27.2 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632) [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking lazy_static v0.2.4 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking sdl2 v0.29.0 (https://github.com/AngryLawyer/rust-sdl2.git#5d8c8632) [INFO] [stderr] Checking sandpiles v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 221 - let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] 221 + let w = WIDTH as f64 / sqrt as f64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 221 - let w = (WIDTH as f64 / sqrt as f64); [INFO] [stdout] 221 + let w = WIDTH as f64 / sqrt as f64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_square` is never used [INFO] [stdout] --> src/main.rs:203:4 [INFO] [stdout] | [INFO] [stdout] 203 | fn print_square(arr: &[u32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 229 | let _ = rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_square` is never used [INFO] [stdout] --> src/main.rs:203:4 [INFO] [stdout] | [INFO] [stdout] 203 | fn print_square(arr: &[u32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 229 | let _ = rend.fill_rect(Some(((col as f64 * w).round() as i32, (row as f64 * w).round() as i32, w_r, w_r).into())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "f53a77e5ef9f55f3d5172b42bd8a867bdf1671b28827e71b6c1188160230d767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f53a77e5ef9f55f3d5172b42bd8a867bdf1671b28827e71b6c1188160230d767", kill_on_drop: false }` [INFO] [stdout] f53a77e5ef9f55f3d5172b42bd8a867bdf1671b28827e71b6c1188160230d767