[INFO] cloning repository https://github.com/bwhetherington/rust-2048 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwhetherington/rust-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-2048", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-2048'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c80aad95941ca1f8797613d73ab44044c3178f40 [INFO] testing bwhetherington/rust-2048 against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-2048" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bwhetherington/rust-2048 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bwhetherington/rust-2048 [INFO] finished tweaking git repo https://github.com/bwhetherington/rust-2048 [INFO] tweaked toml for git repo https://github.com/bwhetherington/rust-2048 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/bwhetherington/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 03131fe7830dfc037f2c930ee5f5045044bc33a85181caba93c9b781a2cb0c4d [INFO] running `Command { std: "docker" "start" "-a" "03131fe7830dfc037f2c930ee5f5045044bc33a85181caba93c9b781a2cb0c4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03131fe7830dfc037f2c930ee5f5045044bc33a85181caba93c9b781a2cb0c4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03131fe7830dfc037f2c930ee5f5045044bc33a85181caba93c9b781a2cb0c4d", kill_on_drop: false }` [INFO] [stdout] 03131fe7830dfc037f2c930ee5f5045044bc33a85181caba93c9b781a2cb0c4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 576981150fee998c2698cfa7a1fa38cb5114b1766f40150fa956a666939a218d [INFO] running `Command { std: "docker" "start" "-a" "576981150fee998c2698cfa7a1fa38cb5114b1766f40150fa956a666939a218d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-2048-2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `game::*` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use game::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let d: Matrix<_> = m.diag().into(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/game/mod.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | for j in 0..source.cols() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | fn slide_left(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/game/mod.rs:82:16 [INFO] [stdout] | [INFO] [stdout] 82 | fn slide_right(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | fn slide_right(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/game/mod.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | fn slide_up(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:88:35 [INFO] [stdout] | [INFO] [stdout] 88 | fn slide_up(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/game/mod.rs:94:15 [INFO] [stdout] | [INFO] [stdout] 94 | fn slide_down(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:94:37 [INFO] [stdout] | [INFO] [stdout] 94 | fn slide_down(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.90s [INFO] running `Command { std: "docker" "inspect" "576981150fee998c2698cfa7a1fa38cb5114b1766f40150fa956a666939a218d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "576981150fee998c2698cfa7a1fa38cb5114b1766f40150fa956a666939a218d", kill_on_drop: false }` [INFO] [stdout] 576981150fee998c2698cfa7a1fa38cb5114b1766f40150fa956a666939a218d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54a9b0ee3d73a26f6ef1a26f57b03e544dfdbcd727d881502a4afdb0c35aa8e3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "54a9b0ee3d73a26f6ef1a26f57b03e544dfdbcd727d881502a4afdb0c35aa8e3", kill_on_drop: false }` [INFO] [stderr] Compiling rust-2048-2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `game::*` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use game::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let d: Matrix<_> = m.diag().into(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/game/mod.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | for j in 0..source.cols() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | fn slide_left(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/game/mod.rs:82:16 [INFO] [stdout] | [INFO] [stdout] 82 | fn slide_right(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | fn slide_right(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/game/mod.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | fn slide_up(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:88:35 [INFO] [stdout] | [INFO] [stdout] 88 | fn slide_up(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/game/mod.rs:94:15 [INFO] [stdout] | [INFO] [stdout] 94 | fn slide_down(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/game/mod.rs:94:37 [INFO] [stdout] | [INFO] [stdout] 94 | fn slide_down(source: &Matrix, dest: &mut Matrix) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_2048_2-109a2be53e5b1a15) [INFO] running `Command { std: "docker" "inspect" "54a9b0ee3d73a26f6ef1a26f57b03e544dfdbcd727d881502a4afdb0c35aa8e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54a9b0ee3d73a26f6ef1a26f57b03e544dfdbcd727d881502a4afdb0c35aa8e3", kill_on_drop: false }` [INFO] [stdout] 54a9b0ee3d73a26f6ef1a26f57b03e544dfdbcd727d881502a4afdb0c35aa8e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3d5d53c685c8c694592595321e1270b64a9558834ea794f033e570fb7574ab32 [INFO] running `Command { std: "docker" "start" "-a" "3d5d53c685c8c694592595321e1270b64a9558834ea794f033e570fb7574ab32", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `game::*` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use game::*; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let d: Matrix<_> = m.diag().into(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/game/mod.rs:74:13 [INFO] [stderr] | [INFO] [stderr] 74 | for j in 0..source.cols() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dest` [INFO] [stderr] --> src/game/mod.rs:70:37 [INFO] [stderr] | [INFO] [stderr] 70 | fn slide_left(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/game/mod.rs:82:16 [INFO] [stderr] | [INFO] [stderr] 82 | fn slide_right(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dest` [INFO] [stderr] --> src/game/mod.rs:82:38 [INFO] [stderr] | [INFO] [stderr] 82 | fn slide_right(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/game/mod.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | fn slide_up(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dest` [INFO] [stderr] --> src/game/mod.rs:88:35 [INFO] [stderr] | [INFO] [stderr] 88 | fn slide_up(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/game/mod.rs:94:15 [INFO] [stderr] | [INFO] [stderr] 94 | fn slide_down(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dest` [INFO] [stderr] --> src/game/mod.rs:94:37 [INFO] [stderr] | [INFO] [stderr] 94 | fn slide_down(source: &Matrix, dest: &mut Matrix) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stderr] [INFO] [stderr] warning: `rust-2048-2` (bin "rust-2048-2" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_2048_2-109a2be53e5b1a15) [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" "3d5d53c685c8c694592595321e1270b64a9558834ea794f033e570fb7574ab32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d5d53c685c8c694592595321e1270b64a9558834ea794f033e570fb7574ab32", kill_on_drop: false }` [INFO] [stdout] 3d5d53c685c8c694592595321e1270b64a9558834ea794f033e570fb7574ab32