[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-2048" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bwhetherington/rust-2048 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8be3319ab3541c97986d0d9b50b181471b76acf12f4d70d4487f607f079087f [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" "f8be3319ab3541c97986d0d9b50b181471b76acf12f4d70d4487f607f079087f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8be3319ab3541c97986d0d9b50b181471b76acf12f4d70d4487f607f079087f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8be3319ab3541c97986d0d9b50b181471b76acf12f4d70d4487f607f079087f", kill_on_drop: false }` [INFO] [stdout] f8be3319ab3541c97986d0d9b50b181471b76acf12f4d70d4487f607f079087f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b2181be2cba400f2a383743e7064087b8e3f762e586bf35298635a08a35acd8 [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" "7b2181be2cba400f2a383743e7064087b8e3f762e586bf35298635a08a35acd8", 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 0.57s [INFO] running `Command { std: "docker" "inspect" "7b2181be2cba400f2a383743e7064087b8e3f762e586bf35298635a08a35acd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b2181be2cba400f2a383743e7064087b8e3f762e586bf35298635a08a35acd8", kill_on_drop: false }` [INFO] [stdout] 7b2181be2cba400f2a383743e7064087b8e3f762e586bf35298635a08a35acd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 113652b318f9d3855863af443860aaf7c4d2c7a581f8a93fedd6edebb82137bb [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" "113652b318f9d3855863af443860aaf7c4d2c7a581f8a93fedd6edebb82137bb", 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 0.42s [INFO] running `Command { std: "docker" "inspect" "113652b318f9d3855863af443860aaf7c4d2c7a581f8a93fedd6edebb82137bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "113652b318f9d3855863af443860aaf7c4d2c7a581f8a93fedd6edebb82137bb", kill_on_drop: false }` [INFO] [stdout] 113652b318f9d3855863af443860aaf7c4d2c7a581f8a93fedd6edebb82137bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 524a7d1d557d483e2af1f6e139c8c10ce4586cea646f8c869aee38b75be43637 [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" "524a7d1d557d483e2af1f6e139c8c10ce4586cea646f8c869aee38b75be43637", 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: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_2048_2-497800951bedb027) [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" "524a7d1d557d483e2af1f6e139c8c10ce4586cea646f8c869aee38b75be43637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "524a7d1d557d483e2af1f6e139c8c10ce4586cea646f8c869aee38b75be43637", kill_on_drop: false }` [INFO] [stdout] 524a7d1d557d483e2af1f6e139c8c10ce4586cea646f8c869aee38b75be43637