[INFO] cloning repository https://github.com/gabivlj/tetris-terminal [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabivlj/tetris-terminal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabivlj%2Ftetris-terminal", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabivlj%2Ftetris-terminal'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2730da18fa58daf525d373603cb5d45b0081a511 [INFO] testing gabivlj/tetris-terminal against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabivlj%2Ftetris-terminal" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gabivlj/tetris-terminal [INFO] finished tweaking git repo https://github.com/gabivlj/tetris-terminal [INFO] tweaked toml for git repo https://github.com/gabivlj/tetris-terminal written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gabivlj/tetris-terminal on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gabivlj/tetris-terminal 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14d8ca74a70c0bd2b5ec9f4cde03a3e22eccd36de23ee9785049d7ad0a9b82eb [INFO] running `Command { std: "docker" "start" "-a" "14d8ca74a70c0bd2b5ec9f4cde03a3e22eccd36de23ee9785049d7ad0a9b82eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14d8ca74a70c0bd2b5ec9f4cde03a3e22eccd36de23ee9785049d7ad0a9b82eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14d8ca74a70c0bd2b5ec9f4cde03a3e22eccd36de23ee9785049d7ad0a9b82eb", kill_on_drop: false }` [INFO] [stdout] 14d8ca74a70c0bd2b5ec9f4cde03a3e22eccd36de23ee9785049d7ad0a9b82eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8273f4cdca9ec72b0986a0d196dc101a589e483785044c5af75ad9e0f08890eb [INFO] running `Command { std: "docker" "start" "-a" "8273f4cdca9ec72b0986a0d196dc101a589e483785044c5af75ad9e0f08890eb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling termion v1.5.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tetris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Read` and `self` [INFO] [stdout] --> src/tetris.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stdin` [INFO] [stdout] --> src/tetris.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{stdin, stdout, Stdin, Stdout, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `color` and `style` [INFO] [stdout] --> src/tetris.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | use termion::{color, style}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/tetris.rs:199:39 [INFO] [stdout] | [INFO] [stdout] 199 | self.score += (how_many_rows * how_many_rows); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 199 - self.score += (how_many_rows * how_many_rows); [INFO] [stdout] 199 + self.score += how_many_rows * how_many_rows; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut tetris = Tetris::new(); [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: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | write!(self.stdout, "{}", termion::clear::All); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | write!(self.stdout, "{}", termion::cursor::Goto(1, r as u16 + 1),); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | write!(self.stdout, "{}", character); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:168:13 [INFO] [stdout] | [INFO] [stdout] 168 | write!(self.stdout, "\nScore: {}", self.score); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | / write!( [INFO] [stdout] 226 | | self.stdout, [INFO] [stdout] 227 | | "{}{}", [INFO] [stdout] 228 | | termion::cursor::Goto(1, 1), [INFO] [stdout] 229 | | termion::clear::CurrentLine [INFO] [stdout] 230 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s [INFO] running `Command { std: "docker" "inspect" "8273f4cdca9ec72b0986a0d196dc101a589e483785044c5af75ad9e0f08890eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8273f4cdca9ec72b0986a0d196dc101a589e483785044c5af75ad9e0f08890eb", kill_on_drop: false }` [INFO] [stdout] 8273f4cdca9ec72b0986a0d196dc101a589e483785044c5af75ad9e0f08890eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 57e899870afea57af45a495ef46ec70ae02b17708f1662e9461daa1373374c5f [INFO] running `Command { std: "docker" "start" "-a" "57e899870afea57af45a495ef46ec70ae02b17708f1662e9461daa1373374c5f", kill_on_drop: false }` [INFO] [stderr] Compiling tetris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Read` and `self` [INFO] [stdout] --> src/tetris.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stdin` [INFO] [stdout] --> src/tetris.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{stdin, stdout, Stdin, Stdout, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `color` and `style` [INFO] [stdout] --> src/tetris.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | use termion::{color, style}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/tetris.rs:199:39 [INFO] [stdout] | [INFO] [stdout] 199 | self.score += (how_many_rows * how_many_rows); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 199 - self.score += (how_many_rows * how_many_rows); [INFO] [stdout] 199 + self.score += how_many_rows * how_many_rows; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut tetris = Tetris::new(); [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: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | write!(self.stdout, "{}", termion::clear::All); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | write!(self.stdout, "{}", termion::cursor::Goto(1, r as u16 + 1),); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | write!(self.stdout, "{}", character); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:168:13 [INFO] [stdout] | [INFO] [stdout] 168 | write!(self.stdout, "\nScore: {}", self.score); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tetris.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | / write!( [INFO] [stdout] 226 | | self.stdout, [INFO] [stdout] 227 | | "{}{}", [INFO] [stdout] 228 | | termion::cursor::Goto(1, 1), [INFO] [stdout] 229 | | termion::clear::CurrentLine [INFO] [stdout] 230 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "57e899870afea57af45a495ef46ec70ae02b17708f1662e9461daa1373374c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57e899870afea57af45a495ef46ec70ae02b17708f1662e9461daa1373374c5f", kill_on_drop: false }` [INFO] [stdout] 57e899870afea57af45a495ef46ec70ae02b17708f1662e9461daa1373374c5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 69d6e2f02dc6c94db52a371ccf09c992a8988823658de24a8db98729a36f04e0 [INFO] running `Command { std: "docker" "start" "-a" "69d6e2f02dc6c94db52a371ccf09c992a8988823658de24a8db98729a36f04e0", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Read` and `self` [INFO] [stderr] --> src/tetris.rs:5:19 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Stdin` [INFO] [stderr] --> src/tetris.rs:6:34 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{stdin, stdout, Stdin, Stdout, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `color` and `style` [INFO] [stderr] --> src/tetris.rs:11:19 [INFO] [stderr] | [INFO] [stderr] 11 | use termion::{color, style}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/tetris.rs:199:39 [INFO] [stderr] | [INFO] [stderr] 199 | self.score += (how_many_rows * how_many_rows); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 199 - self.score += (how_many_rows * how_many_rows); [INFO] [stderr] 199 + self.score += how_many_rows * how_many_rows; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut tetris = Tetris::new(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tetris.rs:160:13 [INFO] [stderr] | [INFO] [stderr] 160 | write!(self.stdout, "{}", termion::clear::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tetris.rs:162:17 [INFO] [stderr] | [INFO] [stderr] 162 | write!(self.stdout, "{}", termion::cursor::Goto(1, r as u16 + 1),); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tetris.rs:165:21 [INFO] [stderr] | [INFO] [stderr] 165 | write!(self.stdout, "{}", character); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tetris.rs:168:13 [INFO] [stderr] | [INFO] [stderr] 168 | write!(self.stdout, "\nScore: {}", self.score); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tetris.rs:225:13 [INFO] [stderr] | [INFO] [stderr] 225 | / write!( [INFO] [stderr] 226 | | self.stdout, [INFO] [stderr] 227 | | "{}{}", [INFO] [stderr] 228 | | termion::cursor::Goto(1, 1), [INFO] [stderr] 229 | | termion::clear::CurrentLine [INFO] [stderr] 230 | | ); [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `tetris` (bin "tetris" test) generated 10 warnings (run `cargo fix --bin "tetris" --tests` to apply 5 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/tetris-1abe0258164c772b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "69d6e2f02dc6c94db52a371ccf09c992a8988823658de24a8db98729a36f04e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69d6e2f02dc6c94db52a371ccf09c992a8988823658de24a8db98729a36f04e0", kill_on_drop: false }` [INFO] [stdout] 69d6e2f02dc6c94db52a371ccf09c992a8988823658de24a8db98729a36f04e0