[INFO] cloning repository https://github.com/Ryan1729/wasm_shenzhen_solitaire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryan1729/wasm_shenzhen_solitaire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fwasm_shenzhen_solitaire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fwasm_shenzhen_solitaire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c98f355a208b99c061d8ac22edcf6f5f5ae33ac2
[INFO] checking Ryan1729/wasm_shenzhen_solitaire against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fwasm_shenzhen_solitaire" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire
[INFO] finished tweaking git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire
[INFO] tweaked toml for git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded stdweb-derive v0.4.0
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[INFO] [stderr]   Downloaded stdweb v0.4.2
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[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6299ff605872647f8c6fd1abfada709625c8718abbf701cd877fef5a94bdd76c
[INFO] running `Command { std: "docker" "start" "-a" "6299ff605872647f8c6fd1abfada709625c8718abbf701cd877fef5a94bdd76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6299ff605872647f8c6fd1abfada709625c8718abbf701cd877fef5a94bdd76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6299ff605872647f8c6fd1abfada709625c8718abbf701cd877fef5a94bdd76c", kill_on_drop: false }`
[INFO] [stdout] 6299ff605872647f8c6fd1abfada709625c8718abbf701cd877fef5a94bdd76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd77f414ea5b067d626dc97567ace670fc079b5fc02348737ee8fbee8813adc0
[INFO] running `Command { std: "docker" "start" "-a" "bd77f414ea5b067d626dc97567ace670fc079b5fc02348737ee8fbee8813adc0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling stdweb v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking env_logger v0.5.5
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]     Checking wasm_shenzhen_solitaire v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rendering::draw_winning_screen`
[INFO] [stdout]  --> src/common/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use rendering::draw_winning_screen;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_state::*`
[INFO] [stdout]  --> src/common/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use game_state::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rendering::draw_winning_screen`
[INFO] [stdout]  --> src/common/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use rendering::draw_winning_screen;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_state::*`
[INFO] [stdout]  --> src/common/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use game_state::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:429:29
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<Error>>>(error: E) {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<dyn Error>>>(error: E) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:243:53
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:249:49
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:429:29
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<Error>>>(error: E) {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<dyn Error>>>(error: E) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:243:53
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:249:49
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_winning_screen` is never used
[INFO] [stdout]    --> src/common/rendering.rs:571:8
[INFO] [stdout]     |
[INFO] [stdout] 571 | pub fn draw_winning_screen(framebuffer: &mut Framebuffer) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_LENGTH` is never used
[INFO] [stdout]  --> src/common/inner_common.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const SCREEN_LENGTH: usize = SCREEN_WIDTH * SCREEN_HEIGHT;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_winning_screen` is never used
[INFO] [stdout]    --> src/common/rendering.rs:571:8
[INFO] [stdout]     |
[INFO] [stdout] 571 | pub fn draw_winning_screen(framebuffer: &mut Framebuffer) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_LENGTH` is never used
[INFO] [stdout]  --> src/common/inner_common.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const SCREEN_LENGTH: usize = SCREEN_WIDTH * SCREEN_HEIGHT;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 6.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stdweb v0.4.2, syn v0.12.14
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bd77f414ea5b067d626dc97567ace670fc079b5fc02348737ee8fbee8813adc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd77f414ea5b067d626dc97567ace670fc079b5fc02348737ee8fbee8813adc0", kill_on_drop: false }`
[INFO] [stdout] bd77f414ea5b067d626dc97567ace670fc079b5fc02348737ee8fbee8813adc0
[INFO] checking Ryan1729/wasm_shenzhen_solitaire against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fwasm_shenzhen_solitaire" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire
[INFO] finished tweaking git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire
[INFO] tweaked toml for git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan1729/wasm_shenzhen_solitaire 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60fc2fc73348b8e2bd640262349e4044546f442c725e9fa0623ccdfe50264c5c
[INFO] running `Command { std: "docker" "start" "-a" "60fc2fc73348b8e2bd640262349e4044546f442c725e9fa0623ccdfe50264c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60fc2fc73348b8e2bd640262349e4044546f442c725e9fa0623ccdfe50264c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fc2fc73348b8e2bd640262349e4044546f442c725e9fa0623ccdfe50264c5c", kill_on_drop: false }`
[INFO] [stdout] 60fc2fc73348b8e2bd640262349e4044546f442c725e9fa0623ccdfe50264c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 6c4e0c2336b2bb0e4a9bf61514fe272cced20da7004947723324a109f7a0e068
[INFO] running `Command { std: "docker" "start" "-a" "6c4e0c2336b2bb0e4a9bf61514fe272cced20da7004947723324a109f7a0e068", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]    Compiling stdweb v0.4.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking env_logger v0.5.5
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking wasm_shenzhen_solitaire v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rendering::draw_winning_screen`
[INFO] [stdout]  --> src/common/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use rendering::draw_winning_screen;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]  --> src/common/inner_common.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> src/common/inner_common.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/common/inner_common.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rendering::draw_winning_screen`
[INFO] [stdout]  --> src/common/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use rendering::draw_winning_screen;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/common/inner_common.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]  --> src/common/inner_common.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> src/common/inner_common.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/common/inner_common.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/common/inner_common.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_state::*`
[INFO] [stdout]  --> src/common/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use game_state::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_state::*`
[INFO] [stdout]  --> src/common/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use game_state::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/common/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     bitflags! {
[INFO] [stdout] 51 | |         #[derive(Default)]
[INFO] [stdout] 52 | |         pub flags Ty: u8 {
[INFO] [stdout] 53 | |             const A          = 1 << 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         }
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:429:29
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<Error>>>(error: E) {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<dyn Error>>>(error: E) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:243:53
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:249:49
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:429:29
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<Error>>>(error: E) {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn handle_error<E: Into<Box<dyn Error>>>(error: E) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:243:53
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn execute_cycle(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:249:49
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn run_a_bit(&mut self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_winning_screen` is never used
[INFO] [stdout]    --> src/common/rendering.rs:571:8
[INFO] [stdout]     |
[INFO] [stdout] 571 | pub fn draw_winning_screen(framebuffer: &mut Framebuffer) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_LENGTH` is never used
[INFO] [stdout]  --> src/common/inner_common.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const SCREEN_LENGTH: usize = SCREEN_WIDTH * SCREEN_HEIGHT;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_winning_screen` is never used
[INFO] [stdout]    --> src/common/rendering.rs:571:8
[INFO] [stdout]     |
[INFO] [stdout] 571 | pub fn draw_winning_screen(framebuffer: &mut Framebuffer) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_LENGTH` is never used
[INFO] [stdout]  --> src/common/inner_common.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const SCREEN_LENGTH: usize = SCREEN_WIDTH * SCREEN_HEIGHT;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm_shenzhen_solitaire` (bin "wasm_shenzhen_solitaire" test) due to 5 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `wasm_shenzhen_solitaire` (bin "wasm_shenzhen_solitaire") due to 5 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6c4e0c2336b2bb0e4a9bf61514fe272cced20da7004947723324a109f7a0e068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4e0c2336b2bb0e4a9bf61514fe272cced20da7004947723324a109f7a0e068", kill_on_drop: false }`
[INFO] [stdout] 6c4e0c2336b2bb0e4a9bf61514fe272cced20da7004947723324a109f7a0e068
