[INFO] cloning repository https://github.com/xenya52/game_2048 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xenya52/game_2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenya52%2Fgame_2048", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenya52%2Fgame_2048'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7171be49bb6cc8e67d762f496fdfe8e575567bc2 [INFO] checking xenya52/game_2048 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenya52%2Fgame_2048" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xenya52/game_2048 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/xenya52/game_2048 [INFO] finished tweaking git repo https://github.com/xenya52/game_2048 [INFO] tweaked toml for git repo https://github.com/xenya52/game_2048 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xenya52/game_2048 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 crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded colorized v1.0.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] acfb6c53699d42f73dc932c1495943400b6e45b88f012c593b98f816f576206f [INFO] running `Command { std: "docker" "start" "-a" "acfb6c53699d42f73dc932c1495943400b6e45b88f012c593b98f816f576206f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acfb6c53699d42f73dc932c1495943400b6e45b88f012c593b98f816f576206f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acfb6c53699d42f73dc932c1495943400b6e45b88f012c593b98f816f576206f", kill_on_drop: false }` [INFO] [stdout] acfb6c53699d42f73dc932c1495943400b6e45b88f012c593b98f816f576206f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef165f72aab99ee76866db1c6d50a106085fdd23501ae97b86389deb998e0928 [INFO] running `Command { std: "docker" "start" "-a" "ef165f72aab99ee76866db1c6d50a106085fdd23501ae97b86389deb998e0928", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking colorized v1.0.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking signal-hook v0.3.17 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Checking game_2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `f32::MAX_10_EXP` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{vec, f32::MAX_10_EXP}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ExecutableCommand`, `KeyModifiers`, `SetSize`, `self` [INFO] [stdout] --> src/main.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | terminal::{self, SetSize}, [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] 8 | ExecutableCommand, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | event::{self, KeyCode, KeyEvent, KeyModifiers, read}, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `f32::MAX_10_EXP` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{vec, f32::MAX_10_EXP}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ExecutableCommand`, `KeyModifiers`, `SetSize`, `self` [INFO] [stdout] --> src/main.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | terminal::{self, SetSize}, [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] 8 | ExecutableCommand, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | event::{self, KeyCode, KeyEvent, KeyModifiers, read}, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:131:10 [INFO] [stdout] | [INFO] [stdout] 131 | for (i,row) in board.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:132:14 [INFO] [stdout] | [INFO] [stdout] 132 | for (j, row) in row.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:131:10 [INFO] [stdout] | [INFO] [stdout] 131 | for (i,row) in board.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:132:14 [INFO] [stdout] | [INFO] [stdout] 132 | for (j, row) in row.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `modifiers` [INFO] [stdout] --> src/main.rs:157:51 [INFO] [stdout] | [INFO] [stdout] 157 | if let event::Event::Key(KeyEvent { code, modifiers, .. }) = read()? { [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `modifiers: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `modifiers` [INFO] [stdout] --> src/main.rs:157:51 [INFO] [stdout] | [INFO] [stdout] 157 | if let event::Event::Key(KeyEvent { code, modifiers, .. }) = read()? { [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `modifiers: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:318:9 [INFO] [stdout] | [INFO] [stdout] 318 | game_loop(&mut board); [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] 318 | let _ = game_loop(&mut board); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:318:9 [INFO] [stdout] | [INFO] [stdout] 318 | game_loop(&mut board); [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] 318 | let _ = game_loop(&mut board); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s [INFO] running `Command { std: "docker" "inspect" "ef165f72aab99ee76866db1c6d50a106085fdd23501ae97b86389deb998e0928", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef165f72aab99ee76866db1c6d50a106085fdd23501ae97b86389deb998e0928", kill_on_drop: false }` [INFO] [stdout] ef165f72aab99ee76866db1c6d50a106085fdd23501ae97b86389deb998e0928