[INFO] cloning repository https://github.com/ngobach/ggez-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngobach/ggez-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngobach%2Fggez-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngobach%2Fggez-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 726807bb5266cc0b2290f7bb72d74db01d2d649d
[INFO] checking ngobach/ggez-2048 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngobach%2Fggez-2048" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ngobach/ggez-2048
[INFO] finished tweaking git repo https://github.com/ngobach/ggez-2048
[INFO] tweaked toml for git repo https://github.com/ngobach/ggez-2048 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ngobach/ggez-2048 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ngobach/ggez-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" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `mint`
[INFO] [stdout]  --> src/consts.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mint;
[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 imports: `DrawMode`, `MeshBuilder`, and `self`
[INFO] [stdout]  --> src/game/board.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez::graphics::{self, Align, DrawMode, DrawParam, MeshBuilder, Rect, Scale};
[INFO] [stdout]   |                      ^^^^         ^^^^^^^^             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mint`
[INFO] [stdout]  --> src/consts.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mint;
[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 imports: `DrawMode`, `MeshBuilder`, and `self`
[INFO] [stdout]  --> src/game/board.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez::graphics::{self, Align, DrawMode, DrawParam, MeshBuilder, Rect, Scale};
[INFO] [stdout]   |                      ^^^^         ^^^^^^^^             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]    --> src/game/board.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             for turn in 0..4 {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game/state.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut vector: Option<(i8, i8)> = match keycode {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game/state.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ctx: &mut Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keymods`
[INFO] [stdout]   --> src/game/state.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         keymods: KeyMods,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keymods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game/state.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut score_bg = MeshBuilder::new()
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]    --> src/game/board.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             for turn in 0..4 {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/game/board.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     matrix: [[Cell; 4]; 4],
[INFO] [stdout] 14 |     root: Rect,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump_board` is never used
[INFO] [stdout]   --> src/game/board.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn dump_board(b: &[[Cell; 4]; 4]) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_num` is never used
[INFO] [stdout]    --> src/game/board.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |         fn safe_num(x: i8) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MoveOffset` is never constructed
[INFO] [stdout]  --> src/game/cell.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MoveOffset {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game/state.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut vector: Option<(i8, i8)> = match keycode {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game/state.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ctx: &mut Context,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keymods`
[INFO] [stdout]   --> src/game/state.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         keymods: KeyMods,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keymods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game/state.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut score_bg = MeshBuilder::new()
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/game/board.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     matrix: [[Cell; 4]; 4],
[INFO] [stdout] 14 |     root: Rect,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump_board` is never used
[INFO] [stdout]   --> src/game/board.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn dump_board(b: &[[Cell; 4]; 4]) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_num` is never used
[INFO] [stdout]    --> src/game/board.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |         fn safe_num(x: i8) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MoveOffset` is never constructed
[INFO] [stdout]  --> src/game/cell.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MoveOffset {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ggez::graphics::Rect`
[INFO] [stdout]    --> src/game/board.rs:219:15
[INFO] [stdout]     |
[INFO] [stdout] 219 |         root: root.into(),
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<ggez::graphics::Rect as Into<ggez::graphics::Rect>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/game/brush.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for x in [rect.x + radius, rect.x + rect.w - radius].into_iter() {
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for x in [rect.x + radius, rect.x + rect.w - radius].into_iter() {
[INFO] [stdout] 17 +     for x in [rect.x + radius, rect.x + rect.w - radius].iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for x in [rect.x + radius, rect.x + rect.w - radius].into_iter() {
[INFO] [stdout] 17 +     for x in [rect.x + radius, rect.x + rect.w - radius] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/game/brush.rs:18:62
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for y in [rect.y + radius, rect.y + rect.h - radius].into_iter() {
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for y in [rect.y + radius, rect.y + rect.h - radius].into_iter() {
[INFO] [stdout] 18 +         for y in [rect.y + radius, rect.y + rect.h - radius].iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for y in [rect.y + radius, rect.y + rect.h - radius].into_iter() {
[INFO] [stdout] 18 +         for y in [rect.y + radius, rect.y + rect.h - radius] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ggez::graphics::Rect`
[INFO] [stdout]    --> src/game/board.rs:219:15
[INFO] [stdout]     |
[INFO] [stdout] 219 |         root: root.into(),
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<ggez::graphics::Rect as Into<ggez::graphics::Rect>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/game/brush.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for x in [rect.x + radius, rect.x + rect.w - radius].into_iter() {
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for x in [rect.x + radius, rect.x + rect.w - radius].into_iter() {
[INFO] [stdout] 17 +     for x in [rect.x + radius, rect.x + rect.w - radius].iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for x in [rect.x + radius, rect.x + rect.w - radius].into_iter() {
[INFO] [stdout] 17 +     for x in [rect.x + radius, rect.x + rect.w - radius] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/game/brush.rs:18:62
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for y in [rect.y + radius, rect.y + rect.h - radius].into_iter() {
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for y in [rect.y + radius, rect.y + rect.h - radius].into_iter() {
[INFO] [stdout] 18 +         for y in [rect.y + radius, rect.y + rect.h - radius].iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for y in [rect.y + radius, rect.y + rect.h - radius].into_iter() {
[INFO] [stdout] 18 +         for y in [rect.y + radius, rect.y + rect.h - radius] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ggez-2048` (bin "ggez-2048" test) due to 1 previous error; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ggez-2048` (bin "ggez-2048") due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1547e65f8008d275e012b077d8532d293da08f25043018ab1f8b29cc6ac71fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1547e65f8008d275e012b077d8532d293da08f25043018ab1f8b29cc6ac71fda", kill_on_drop: false }`
[INFO] [stdout] 1547e65f8008d275e012b077d8532d293da08f25043018ab1f8b29cc6ac71fda
