[INFO] cloning repository https://github.com/alvinmatias69/simple-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvinmatias69/simple-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinmatias69%2Fsimple-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinmatias69%2Fsimple-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4d59fe5702971379aba658849bcc76343b89f51
[INFO] checking alvinmatias69/simple-2048 against master#c0bb140a37c81cf59a0b40c21c9413059644e294 for pr-129249-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinmatias69%2Fsimple-2048" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alvinmatias69/simple-2048
[INFO] finished tweaking git repo https://github.com/alvinmatias69/simple-2048
[INFO] tweaked toml for git repo https://github.com/alvinmatias69/simple-2048 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alvinmatias69/simple-2048 on toolchain c0bb140a37c81cf59a0b40c21c9413059644e294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alvinmatias69/simple-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" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4
[INFO] running `Command { std: "docker" "start" "ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Mesh`
[INFO] [stdout]  --> src/game/display/board.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graphics::{Mesh, Text, TextFragment};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mesh`
[INFO] [stdout]  --> src/game/display/board.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graphics::{Mesh, Text, TextFragment};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InputInterface` is never used
[INFO] [stdout]  --> src/interface/input/interface.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait InputInterface {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InputString` is never constructed
[INFO] [stdout]  --> src/interface/input/string.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct InputString {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OutputInterface` is never used
[INFO] [stdout]  --> src/interface/output/interface.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait OutputInterface {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OutputString` is never constructed
[INFO] [stdout]  --> src/interface/output/string.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct OutputString {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 sound::play(ctx, SoundType::Menu);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let _ = sound::play(ctx, SoundType::Menu);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 sound::play(ctx, SoundType::Menu);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = sound::play(ctx, SoundType::Menu);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let _ = sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let _ = sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InputInterface` is never used
[INFO] [stdout]  --> src/interface/input/interface.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait InputInterface {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InputString` is never constructed
[INFO] [stdout]  --> src/interface/input/string.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct InputString {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OutputInterface` is never used
[INFO] [stdout]  --> src/interface/output/interface.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait OutputInterface {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OutputString` is never constructed
[INFO] [stdout]  --> src/interface/output/string.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct OutputString {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 sound::play(ctx, SoundType::Menu);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let _ = sound::play(ctx, SoundType::Menu);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 sound::play(ctx, SoundType::Menu);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = sound::play(ctx, SoundType::Menu);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let _ = sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let _ = sound::play(ctx, SoundType::Start);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: winit v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4", kill_on_drop: false }`
[INFO] [stdout] ac02a8637c07a636ed757670e935b519d5d3a4115ea64744ce1db12caeab99e4
