[INFO] cloning repository https://github.com/geekylink/tictactoe-ai-minmax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geekylink/tictactoe-ai-minmax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekylink%2Ftictactoe-ai-minmax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekylink%2Ftictactoe-ai-minmax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1b0887d53c97dcd90a749baadbaa04fb61ea10b
[INFO] testing geekylink/tictactoe-ai-minmax against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekylink%2Ftictactoe-ai-minmax" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/geekylink/tictactoe-ai-minmax
[INFO] finished tweaking git repo https://github.com/geekylink/tictactoe-ai-minmax
[INFO] tweaked toml for git repo https://github.com/geekylink/tictactoe-ai-minmax written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/geekylink/tictactoe-ai-minmax on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/geekylink/tictactoe-ai-minmax 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8dbdc42369a04a34308b2b4ec54818d8a269b7454187b0a480fccd3a91bf3a9
[INFO] running `Command { std: "docker" "start" "-a" "e8dbdc42369a04a34308b2b4ec54818d8a269b7454187b0a480fccd3a91bf3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8dbdc42369a04a34308b2b4ec54818d8a269b7454187b0a480fccd3a91bf3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dbdc42369a04a34308b2b4ec54818d8a269b7454187b0a480fccd3a91bf3a9", kill_on_drop: false }`
[INFO] [stdout] e8dbdc42369a04a34308b2b4ec54818d8a269b7454187b0a480fccd3a91bf3a9
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 67f3e3879406736d75afc45b1bb8e5c11b7ab7b86d6855ff71d85851f2b0913a
[INFO] running `Command { std: "docker" "start" "-a" "67f3e3879406736d75afc45b1bb8e5c11b7ab7b86d6855ff71d85851f2b0913a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tictactoe-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next_move`
[INFO] [stdout]    --> src/main.rs:234:25
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let (score, next_move) = self.min_max(max_depth, depth+1, next_player, board);
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_move`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |        let (score, next_move) = self.min_max(max_depth, 0, player_id, Tictactoe::new_from(self));
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |         for i in 0..iterations {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `Command { std: "docker" "inspect" "67f3e3879406736d75afc45b1bb8e5c11b7ab7b86d6855ff71d85851f2b0913a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f3e3879406736d75afc45b1bb8e5c11b7ab7b86d6855ff71d85851f2b0913a", kill_on_drop: false }`
[INFO] [stdout] 67f3e3879406736d75afc45b1bb8e5c11b7ab7b86d6855ff71d85851f2b0913a
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dec62e3005c30334780cd6b133fec6bdc44aa78b816f67783c244c510ce0e8d3
[INFO] running `Command { std: "docker" "start" "-a" "dec62e3005c30334780cd6b133fec6bdc44aa78b816f67783c244c510ce0e8d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tictactoe-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next_move`
[INFO] [stdout]    --> src/main.rs:234:25
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let (score, next_move) = self.min_max(max_depth, depth+1, next_player, board);
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_move`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |        let (score, next_move) = self.min_max(max_depth, 0, player_id, Tictactoe::new_from(self));
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |         for i in 0..iterations {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "dec62e3005c30334780cd6b133fec6bdc44aa78b816f67783c244c510ce0e8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec62e3005c30334780cd6b133fec6bdc44aa78b816f67783c244c510ce0e8d3", kill_on_drop: false }`
[INFO] [stdout] dec62e3005c30334780cd6b133fec6bdc44aa78b816f67783c244c510ce0e8d3
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e4895e1110fc54c2960658769394c775d542c825cac2692bb7edec8e2f31bec2
[INFO] running `Command { std: "docker" "start" "-a" "e4895e1110fc54c2960658769394c775d542c825cac2692bb7edec8e2f31bec2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `next_move`
[INFO] [stderr]    --> src/main.rs:234:25
[INFO] [stderr]     |
[INFO] [stderr] 234 |             let (score, next_move) = self.min_max(max_depth, depth+1, next_player, board);
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_move`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]    --> src/main.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |        let (score, next_move) = self.min_max(max_depth, 0, player_id, Tictactoe::new_from(self));
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:399:13
[INFO] [stderr]     |
[INFO] [stderr] 399 |         for i in 0..iterations {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `tictactoe-ai` (bin "tictactoe-ai" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/tictactoe_ai-4deb7c937ac4a0cb)
[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" "e4895e1110fc54c2960658769394c775d542c825cac2692bb7edec8e2f31bec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4895e1110fc54c2960658769394c775d542c825cac2692bb7edec8e2f31bec2", kill_on_drop: false }`
[INFO] [stdout] e4895e1110fc54c2960658769394c775d542c825cac2692bb7edec8e2f31bec2