[INFO] updating cached repository https://github.com/Nyanguy/rust.tetris [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b94fdfe31a31d33ebd4511a2b1b854eb6a5f986 [INFO] testing Nyanguy/rust.tetris against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyanguy%2Frust.tetris" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nyanguy/rust.tetris on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nyanguy/rust.tetris [INFO] finished tweaking git repo https://github.com/Nyanguy/rust.tetris [INFO] tweaked toml for git repo https://github.com/Nyanguy/rust.tetris written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Nyanguy/rust.tetris already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e294584c3cc8e0771cc7415febcf38aa6b1c5352ee4aba585c4a8b0d77270c7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2e294584c3cc8e0771cc7415febcf38aa6b1c5352ee4aba585c4a8b0d77270c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e294584c3cc8e0771cc7415febcf38aa6b1c5352ee4aba585c4a8b0d77270c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e294584c3cc8e0771cc7415febcf38aa6b1c5352ee4aba585c4a8b0d77270c7", kill_on_drop: false }` [INFO] [stdout] 2e294584c3cc8e0771cc7415febcf38aa6b1c5352ee4aba585c4a8b0d77270c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72720c42c1fa7087a81e2c698bab9adc884935766bbc38f46541496edfe13867 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "72720c42c1fa7087a81e2c698bab9adc884935766bbc38f46541496edfe13867", kill_on_drop: false }` [INFO] [stderr] Compiling sdl2 v0.33.0 [INFO] [stderr] Compiling sdl2-sys v0.33.0 [INFO] [stderr] Compiling rust_tetris v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2::pixels::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/engine/text.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::rect::Rect` [INFO] [stdout] --> src/runtime_logic/menu.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use sdl2::rect::Rect; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/runtime_logic/menu.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | / macro_rules! rect( [INFO] [stdout] 20 | | ($x:expr, $y:expr, $w:expr, $h:expr) => ( [INFO] [stdout] 21 | | Rect::new($x as i32, $y as i32, $w as u32, $h as u32) [INFO] [stdout] 22 | | ) [INFO] [stdout] 23 | | ); [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/runtime_logic/tetris.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Distribution`, `Rng`, `Standard` [INFO] [stdout] --> src/runtime_logic/tetris.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{distributions::{Distribution, Standard}, Rng}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rect::Rect` [INFO] [stdout] --> src/runtime_logic/tetris.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | rect::Rect, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> src/runtime_logic/field.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/runtime_logic/field.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/runtime_logic/menu.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn save_name(text: &str, pos_x: u32, pos_y: u32) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos_x` [INFO] [stdout] --> src/runtime_logic/menu.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn save_name(text: &str, pos_x: u32, pos_y: u32) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pos_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos_y` [INFO] [stdout] --> src/runtime_logic/menu.rs:25:42 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn save_name(text: &str, pos_x: u32, pos_y: u32) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pos_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/runtime_logic/field.rs:76:35 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn check_lines(&mut self, n: u16, lb: u32, rb: u32, f: u32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lb` [INFO] [stdout] --> src/runtime_logic/field.rs:76:43 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn check_lines(&mut self, n: u16, lb: u32, rb: u32, f: u32) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_lb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rb` [INFO] [stdout] --> src/runtime_logic/field.rs:76:52 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn check_lines(&mut self, n: u16, lb: u32, rb: u32, f: u32) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/runtime_logic/field.rs:76:61 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn check_lines(&mut self, n: u16, lb: u32, rb: u32, f: u32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/runtime_logic/tetris.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let mut lines = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contents` [INFO] [stdout] --> src/engine/text.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn contents(&self) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_color` [INFO] [stdout] --> src/engine/text.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn get_color(&self) -> sdl2::pixels::Color { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_hinting` [INFO] [stdout] --> src/engine/text.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn set_hinting(&mut self, hint: sdl2::ttf::Hinting) { self.hint = hint } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_font` [INFO] [stdout] --> src/engine/text.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn set_font(&mut self, font: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_size` [INFO] [stdout] --> src/engine/text.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn set_size(&mut self, size: u16) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `img_ctx` [INFO] [stdout] --> src/engine/render.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | img_ctx: sdl2::image::Sdl2ImageContext [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_color` [INFO] [stdout] --> src/engine/render.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn set_color(&mut self, clr: Color) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_context` [INFO] [stdout] --> src/engine/render.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn get_context(&self) -> &sdl2::Sdl { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `texture_to_buffer` [INFO] [stdout] --> src/engine/render.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn texture_to_buffer(&mut self, texture: &sdl2::render::Texture, src: Option, dst: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/engine/render.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn run(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `save_name` [INFO] [stdout] --> src/runtime_logic/menu.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn save_name(text: &str, pos_x: u32, pos_y: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/runtime_logic/tetromino.rs:111:12 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn id(&self) -> &Shape { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_tile` [INFO] [stdout] --> src/runtime_logic/tetromino.rs:221:12 [INFO] [stdout] | [INFO] [stdout] 221 | pub fn delete_tile(&mut self, t_pos: (u32,u32)) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/runtime_logic/field.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | width: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/runtime_logic/field.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | height: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inc_score` [INFO] [stdout] --> src/runtime_logic/field.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn inc_score(&mut self, n: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_lvl` [INFO] [stdout] --> src/runtime_logic/field.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn next_lvl(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `check_lines` [INFO] [stdout] --> src/runtime_logic/field.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn check_lines(&mut self, n: u16, lb: u32, rb: u32, f: u32) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | menu::run(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | window.draw_line(WHITE, (0, H_UI), (window.width as i32, H_UI)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | window.draw_line(WHITE, (145, 0), (145, H_UI)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | window.draw_line(WHITE, (border_left as i32, ui_bottom_offset), (border_left as i32, H_UI)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | window.draw_line(WHITE, (border_right as i32, ui_bottom_offset), (border_right as i32, H_UI)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | window.draw_line(WHITE, (120, ui_bottom_offset), (120, window.height as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | window.draw_line(WHITE, (170, ui_bottom_offset), (170, window.height as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/tetris.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | window.draw_line(WHITE, (0, ui_bottom_offset), (window.width as i32, ui_bottom_offset)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/runtime_logic/field.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | draw_fn(window, *kv.0, *kv.1, 18); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit code: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.rust_tetris.9ffzkkh9-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1" "/opt/rustwide/target/debug/deps/rust_tetris-04cbed8b4dd289b1.5eeebdk60watwd0y.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-6e9da37c4b6d4427.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-1d13122d7f4ae212.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-64bfa76f9410d844.rlib" "/opt/rustwide/target/debug/deps/librand_core-dcfcc6060b03947c.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-7205d58b4af238e9.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/libsdl2-7abd3514d870bedc.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-6bd4221a70b42f42.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/liblibc-7826762e6f3b7eff.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lSDL2_image [INFO] [stdout] /usr/bin/ld: cannot find -lSDL2_ttf [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 44 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_tetris`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "72720c42c1fa7087a81e2c698bab9adc884935766bbc38f46541496edfe13867", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72720c42c1fa7087a81e2c698bab9adc884935766bbc38f46541496edfe13867", kill_on_drop: false }` [INFO] [stdout] 72720c42c1fa7087a81e2c698bab9adc884935766bbc38f46541496edfe13867