[INFO] cloning repository https://github.com/1ncursio/alpha-beta-pruning-tictactoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1ncursio/alpha-beta-pruning-tictactoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ncursio%2Falpha-beta-pruning-tictactoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ncursio%2Falpha-beta-pruning-tictactoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c4a8e3d6029042d954726b68bc0308d61655e03
[INFO] building 1ncursio/alpha-beta-pruning-tictactoe against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ncursio%2Falpha-beta-pruning-tictactoe" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1ncursio/alpha-beta-pruning-tictactoe on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1ncursio/alpha-beta-pruning-tictactoe
[INFO] finished tweaking git repo https://github.com/1ncursio/alpha-beta-pruning-tictactoe
[INFO] tweaked toml for git repo https://github.com/1ncursio/alpha-beta-pruning-tictactoe written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/1ncursio/alpha-beta-pruning-tictactoe 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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] 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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebc8e048f8613f9367a01d3a9a3f77e59b715d172cf7aeec2023d8be29c6923f
[INFO] running `Command { std: "docker" "start" "-a" "ebc8e048f8613f9367a01d3a9a3f77e59b715d172cf7aeec2023d8be29c6923f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebc8e048f8613f9367a01d3a9a3f77e59b715d172cf7aeec2023d8be29c6923f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc8e048f8613f9367a01d3a9a3f77e59b715d172cf7aeec2023d8be29c6923f", kill_on_drop: false }`
[INFO] [stdout] ebc8e048f8613f9367a01d3a9a3f77e59b715d172cf7aeec2023d8be29c6923f
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a8efed473ca7b2f0b5ac43dc3dcb855430211ff85bca43df542f7802648c3b
[INFO] running `Command { std: "docker" "start" "-a" "27a8efed473ca7b2f0b5ac43dc3dcb855430211ff85bca43df542f7802648c3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.7
[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 alpha_beta_pruning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `mini_max_plus_evaluate` is never used
[INFO] [stdout]   --> src/action.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn mini_max_plus_evaluate(state: &State, limit: i8) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_max_vs_random` is never used
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn mini_max_vs_random() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vs_random` is never used
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn random_vs_random() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "27a8efed473ca7b2f0b5ac43dc3dcb855430211ff85bca43df542f7802648c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a8efed473ca7b2f0b5ac43dc3dcb855430211ff85bca43df542f7802648c3b", kill_on_drop: false }`
[INFO] [stdout] 27a8efed473ca7b2f0b5ac43dc3dcb855430211ff85bca43df542f7802648c3b
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af1e9f59abe5a9939630ea9ba2ea5d8a8a2b7d18cd79551c7d803ab4fe608bd
[INFO] running `Command { std: "docker" "start" "-a" "0af1e9f59abe5a9939630ea9ba2ea5d8a8a2b7d18cd79551c7d803ab4fe608bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling alpha_beta_pruning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `mini_max_plus_evaluate` is never used
[INFO] [stdout]   --> src/action.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn mini_max_plus_evaluate(state: &State, limit: i8) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_max_vs_random` is never used
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn mini_max_vs_random() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vs_random` is never used
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn random_vs_random() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_max_plus_evaluate` is never used
[INFO] [stdout]   --> src/action.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn mini_max_plus_evaluate(state: &State, limit: i8) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0af1e9f59abe5a9939630ea9ba2ea5d8a8a2b7d18cd79551c7d803ab4fe608bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af1e9f59abe5a9939630ea9ba2ea5d8a8a2b7d18cd79551c7d803ab4fe608bd", kill_on_drop: false }`
[INFO] [stdout] 0af1e9f59abe5a9939630ea9ba2ea5d8a8a2b7d18cd79551c7d803ab4fe608bd