[INFO] updating cached repository https://github.com/lklacar/rust-tic-tac-toe-ai [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4071d4f333eaf0b602d2deaa041e398bf8e3f014 [INFO] testing lklacar/rust-tic-tac-toe-ai against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flklacar%2Frust-tic-tac-toe-ai" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lklacar/rust-tic-tac-toe-ai on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lklacar/rust-tic-tac-toe-ai [INFO] finished tweaking git repo https://github.com/lklacar/rust-tic-tac-toe-ai [INFO] tweaked toml for git repo https://github.com/lklacar/rust-tic-tac-toe-ai written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/lklacar/rust-tic-tac-toe-ai already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 03d30dcd31243c52f492dfc8f6e16df9ebca0c765e0816c81e6a4d9d7dc971ba [INFO] running `"docker" "start" "-a" "03d30dcd31243c52f492dfc8f6e16df9ebca0c765e0816c81e6a4d9d7dc971ba"` [INFO] [stderr] Compiling rust-tic-tac-toe-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/board.rs:10:16 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(size: u32) -> Board { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell` [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `empty_cells` [INFO] [stderr] --> src/board.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn empty_cells(&self) -> Vec<&cell::Cell> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `O` [INFO] [stderr] --> src/cell.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | O, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `"docker" "inspect" "03d30dcd31243c52f492dfc8f6e16df9ebca0c765e0816c81e6a4d9d7dc971ba"` [INFO] running `"docker" "rm" "-f" "03d30dcd31243c52f492dfc8f6e16df9ebca0c765e0816c81e6a4d9d7dc971ba"` [INFO] [stdout] 03d30dcd31243c52f492dfc8f6e16df9ebca0c765e0816c81e6a4d9d7dc971ba [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ee62401678e4a69d10b9d4198ed1532cbf34e1e257b20a75ecaf3f2e39c3b7c5 [INFO] running `"docker" "start" "-a" "ee62401678e4a69d10b9d4198ed1532cbf34e1e257b20a75ecaf3f2e39c3b7c5"` [INFO] [stderr] Compiling rust-tic-tac-toe-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/board.rs:10:16 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(size: u32) -> Board { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell` [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `empty_cells` [INFO] [stderr] --> src/board.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn empty_cells(&self) -> Vec<&cell::Cell> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `O` [INFO] [stderr] --> src/cell.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | O, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `"docker" "inspect" "ee62401678e4a69d10b9d4198ed1532cbf34e1e257b20a75ecaf3f2e39c3b7c5"` [INFO] running `"docker" "rm" "-f" "ee62401678e4a69d10b9d4198ed1532cbf34e1e257b20a75ecaf3f2e39c3b7c5"` [INFO] [stdout] ee62401678e4a69d10b9d4198ed1532cbf34e1e257b20a75ecaf3f2e39c3b7c5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 826433c8e2ce002192fc967471bf8caf9595a751cdf9427c638b25fba54f5ca4 [INFO] running `"docker" "start" "-a" "826433c8e2ce002192fc967471bf8caf9595a751cdf9427c638b25fba54f5ca4"` [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/board.rs:10:16 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(size: u32) -> Board { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell` [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `empty_cells` [INFO] [stderr] --> src/board.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn empty_cells(&self) -> Vec<&cell::Cell> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `O` [INFO] [stderr] --> src/cell.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | O, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_tic_tac_toe_ai-534d1f33866a43b8 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "826433c8e2ce002192fc967471bf8caf9595a751cdf9427c638b25fba54f5ca4"` [INFO] running `"docker" "rm" "-f" "826433c8e2ce002192fc967471bf8caf9595a751cdf9427c638b25fba54f5ca4"` [INFO] [stdout] 826433c8e2ce002192fc967471bf8caf9595a751cdf9427c638b25fba54f5ca4