[INFO] cloning repository https://github.com/sushruth31/2048-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sushruth31/2048-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsushruth31%2F2048-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsushruth31%2F2048-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67ab68952dc185ab5d87af9ea8c9a3378cf0900f
[INFO] testing sushruth31/2048-rust against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsushruth31%2F2048-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sushruth31/2048-rust on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sushruth31/2048-rust
[INFO] finished tweaking git repo https://github.com/sushruth31/2048-rust
[INFO] tweaked toml for git repo https://github.com/sushruth31/2048-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sushruth31/2048-rust 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettyplease v0.1.20
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[INFO] [stderr]   Downloaded gloo-net v0.2.4
[INFO] [stderr]   Downloaded gloo-utils v0.1.5
[INFO] [stderr]   Downloaded gloo v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a7148164a56fccd37114d897e1e0a64e09eacfe38e12916d7d3f1b4b789b874
[INFO] running `Command { std: "docker" "start" "-a" "9a7148164a56fccd37114d897e1e0a64e09eacfe38e12916d7d3f1b4b789b874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a7148164a56fccd37114d897e1e0a64e09eacfe38e12916d7d3f1b4b789b874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7148164a56fccd37114d897e1e0a64e09eacfe38e12916d7d3f1b4b789b874", kill_on_drop: false }`
[INFO] [stdout] 9a7148164a56fccd37114d897e1e0a64e09eacfe38e12916d7d3f1b4b789b874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d2a09642b27591c48a4f6864ad3148d9ea231f4fa5936f9eb88bb8f14b51c24
[INFO] running `Command { std: "docker" "start" "-a" "4d2a09642b27591c48a4f6864ad3148d9ea231f4fa5936f9eb88bb8f14b51c24", kill_on_drop: false }`
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[INFO] [stderr]    Compiling yew-router-macro v0.16.0 (https://github.com/yewstack/yew/#7ada3447)
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[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
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[INFO] [stderr]    Compiling js-sys v0.3.60
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[INFO] [stderr]    Compiling gloo-timers v0.2.4
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.3.1
[INFO] [stderr]    Compiling gloo-utils v0.1.5
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[INFO] [stderr]    Compiling gloo-dialogs v0.1.1
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[INFO] [stderr]    Compiling gloo-console v0.2.3
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[INFO] [stderr]    Compiling gloo-file v0.2.3
[INFO] [stderr]    Compiling gloo-history v0.1.0
[INFO] [stderr]    Compiling gloo-net v0.2.4
[INFO] [stderr]    Compiling gloo-worker v0.2.1
[INFO] [stderr]    Compiling gloo-worker v0.1.2
[INFO] [stderr]    Compiling gloo v0.4.2
[INFO] [stderr]    Compiling yew v0.19.3
[INFO] [stderr]    Compiling gloo v0.8.0
[INFO] [stderr]    Compiling yew v0.19.3 (https://github.com/yewstack/yew/#7ada3447)
[INFO] [stderr]    Compiling gloo v0.7.0
[INFO] [stderr]    Compiling yew-hooks v0.1.56
[INFO] [stderr]    Compiling yew-router v0.16.0 (https://github.com/yewstack/yew/#7ada3447)
[INFO] [stderr]    Compiling rust-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `console::log`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gloo::{console::log, events::EventListener};
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for (j, num) in row.iter().enumerate() {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (j, num) in row.iter().enumerate() {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for (i, row) in self.board.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:104:14
[INFO] [stdout]     |
[INFO] [stdout] 104 |         for (i, row) in self.board.iter_mut().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_tuple` is never used
[INFO] [stdout]    --> src/main.rs:302:4
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn to_tuple(key: &str) -> (i32, i32) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[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" "4d2a09642b27591c48a4f6864ad3148d9ea231f4fa5936f9eb88bb8f14b51c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2a09642b27591c48a4f6864ad3148d9ea231f4fa5936f9eb88bb8f14b51c24", kill_on_drop: false }`
[INFO] [stdout] 4d2a09642b27591c48a4f6864ad3148d9ea231f4fa5936f9eb88bb8f14b51c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ee4f18ecf2b83b33a9f854330e314d4fb307a11f3e6ba94b074cee190c8377
[INFO] running `Command { std: "docker" "start" "-a" "88ee4f18ecf2b83b33a9f854330e314d4fb307a11f3e6ba94b074cee190c8377", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `console::log`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gloo::{console::log, events::EventListener};
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for (j, num) in row.iter().enumerate() {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (j, num) in row.iter().enumerate() {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for (i, row) in self.board.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:104:14
[INFO] [stdout]     |
[INFO] [stdout] 104 |         for (i, row) in self.board.iter_mut().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_tuple` is never used
[INFO] [stdout]    --> src/main.rs:302:4
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn to_tuple(key: &str) -> (i32, i32) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[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" "88ee4f18ecf2b83b33a9f854330e314d4fb307a11f3e6ba94b074cee190c8377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ee4f18ecf2b83b33a9f854330e314d4fb307a11f3e6ba94b074cee190c8377", kill_on_drop: false }`
[INFO] [stdout] 88ee4f18ecf2b83b33a9f854330e314d4fb307a11f3e6ba94b074cee190c8377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 510c7eb4c2adf80b2b375be6a5b074f643adcc5958f61fb4e61d5e9af0f2cca9
[INFO] running `Command { std: "docker" "start" "-a" "510c7eb4c2adf80b2b375be6a5b074f643adcc5958f61fb4e61d5e9af0f2cca9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `console::log`
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use gloo::{console::log, events::EventListener};
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/main.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |             for (j, num) in row.iter().enumerate() {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/main.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |             for (j, num) in row.iter().enumerate() {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for (i, row) in self.board.iter_mut().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |         for (i, row) in self.board.iter_mut().enumerate() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function `to_tuple` is never used
[INFO] [stderr]    --> src/main.rs:302:4
[INFO] [stderr]     |
[INFO] [stderr] 302 | fn to_tuple(key: &str) -> (i32, i32) {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-2048` (bin "rust-2048" test) generated 6 warnings (run `cargo fix --bin "rust-2048" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_2048-5b7d2d66f83f2472)
[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" "510c7eb4c2adf80b2b375be6a5b074f643adcc5958f61fb4e61d5e9af0f2cca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510c7eb4c2adf80b2b375be6a5b074f643adcc5958f61fb4e61d5e9af0f2cca9", kill_on_drop: false }`
[INFO] [stdout] 510c7eb4c2adf80b2b375be6a5b074f643adcc5958f61fb4e61d5e9af0f2cca9