[INFO] cloning repository https://github.com/bbush915/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbush915/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbush915%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbush915%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5a27e3b824507460a729ef37bf0b7c63836f973 [INFO] testing bbush915/sudoku-solver against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbush915%2Fsudoku-solver" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bbush915/sudoku-solver on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bbush915/sudoku-solver [INFO] finished tweaking git repo https://github.com/bbush915/sudoku-solver [INFO] tweaked toml for git repo https://github.com/bbush915/sudoku-solver written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/bbush915/sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2500a5ba1d97b2b7158cc335bd34addcc5d6918afd9e3ff079395fbca3b4176 [INFO] running `Command { std: "docker" "start" "-a" "f2500a5ba1d97b2b7158cc335bd34addcc5d6918afd9e3ff079395fbca3b4176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2500a5ba1d97b2b7158cc335bd34addcc5d6918afd9e3ff079395fbca3b4176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2500a5ba1d97b2b7158cc335bd34addcc5d6918afd9e3ff079395fbca3b4176", kill_on_drop: false }` [INFO] [stdout] f2500a5ba1d97b2b7158cc335bd34addcc5d6918afd9e3ff079395fbca3b4176 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0f51e5e7392982919916b7511d5b30c45dbe08cae87c7709e944b28d1955d51 [INFO] running `Command { std: "docker" "start" "-a" "a0f51e5e7392982919916b7511d5b30c45dbe08cae87c7709e944b28d1955d51", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Step` [INFO] [stdout] --> src/main.rs:108:10 [INFO] [stdout] | [INFO] [stdout] 108 | struct Step { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/main.rs:113:10 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_step` [INFO] [stdout] --> src/main.rs:199:6 [INFO] [stdout] | [INFO] [stdout] 199 | fn generate_step(grid: &utils::Cells, index: usize, initial_value: u8) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.29s [INFO] running `Command { std: "docker" "inspect" "a0f51e5e7392982919916b7511d5b30c45dbe08cae87c7709e944b28d1955d51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0f51e5e7392982919916b7511d5b30c45dbe08cae87c7709e944b28d1955d51", kill_on_drop: false }` [INFO] [stdout] a0f51e5e7392982919916b7511d5b30c45dbe08cae87c7709e944b28d1955d51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f3abe70c0c1e4e0fdc38935a8dbab9a75f0800e25bbaab0fae7b57138ae5bae [INFO] running `Command { std: "docker" "start" "-a" "5f3abe70c0c1e4e0fdc38935a8dbab9a75f0800e25bbaab0fae7b57138ae5bae", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Step` [INFO] [stdout] --> src/main.rs:108:10 [INFO] [stdout] | [INFO] [stdout] 108 | struct Step { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/main.rs:113:10 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_step` [INFO] [stdout] --> src/main.rs:199:6 [INFO] [stdout] | [INFO] [stdout] 199 | fn generate_step(grid: &utils::Cells, index: usize, initial_value: u8) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5f3abe70c0c1e4e0fdc38935a8dbab9a75f0800e25bbaab0fae7b57138ae5bae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f3abe70c0c1e4e0fdc38935a8dbab9a75f0800e25bbaab0fae7b57138ae5bae", kill_on_drop: false }` [INFO] [stdout] 5f3abe70c0c1e4e0fdc38935a8dbab9a75f0800e25bbaab0fae7b57138ae5bae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 23578711740faf034812110008b9870bdfe6a5073c61319d6195ebcbf52dd64b [INFO] running `Command { std: "docker" "start" "-a" "23578711740faf034812110008b9870bdfe6a5073c61319d6195ebcbf52dd64b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: struct is never constructed: `Step` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:108:10 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 108 | struct Step { [INFO] [stdout] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `solve` [INFO] [stderr] --> src/main.rs:113:10 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn solve( [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `generate_step` [INFO] [stderr] --> src/main.rs:199:6 [INFO] [stderr] | [INFO] [stderr] 199 | fn generate_step(grid: &utils::Cells, index: usize, initial_value: u8) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `sudoku-solver` (bin "sudoku-solver" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-3a627063a7c97e0f) [INFO] running `Command { std: "docker" "inspect" "23578711740faf034812110008b9870bdfe6a5073c61319d6195ebcbf52dd64b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23578711740faf034812110008b9870bdfe6a5073c61319d6195ebcbf52dd64b", kill_on_drop: false }` [INFO] [stdout] 23578711740faf034812110008b9870bdfe6a5073c61319d6195ebcbf52dd64b