[INFO] cloning repository https://github.com/neiskip/negamax-tic-tac-toe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neiskip/negamax-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneiskip%2Fnegamax-tic-tac-toe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneiskip%2Fnegamax-tic-tac-toe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 539ed0b7b20b73277e9e34c5ae4608198e0e8515 [INFO] building neiskip/negamax-tic-tac-toe 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%2Fneiskip%2Fnegamax-tic-tac-toe" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/neiskip/negamax-tic-tac-toe 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/neiskip/negamax-tic-tac-toe [INFO] finished tweaking git repo https://github.com/neiskip/negamax-tic-tac-toe [INFO] tweaked toml for git repo https://github.com/neiskip/negamax-tic-tac-toe written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/neiskip/negamax-tic-tac-toe 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cf212c757a4a2ad0f16e4e0f84b1ccaf62ea1945db1b6666a05676974d18509e [INFO] running `Command { std: "docker" "start" "-a" "cf212c757a4a2ad0f16e4e0f84b1ccaf62ea1945db1b6666a05676974d18509e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf212c757a4a2ad0f16e4e0f84b1ccaf62ea1945db1b6666a05676974d18509e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf212c757a4a2ad0f16e4e0f84b1ccaf62ea1945db1b6666a05676974d18509e", kill_on_drop: false }` [INFO] [stdout] cf212c757a4a2ad0f16e4e0f84b1ccaf62ea1945db1b6666a05676974d18509e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0967bab2951d83d7b66386d90ababa1bfdc1194116734f739f8146d7a421e445 [INFO] running `Command { std: "docker" "start" "-a" "0967bab2951d83d7b66386d90ababa1bfdc1194116734f739f8146d7a421e445", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.6 [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 my_ttt_negamax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> src/board.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::raw::c_char` [INFO] [stdout] --> src/player.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::os::raw::c_char; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/board.rs:98:18 [INFO] [stdout] | [INFO] [stdout] 98 | Some(i) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strategy.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut score = match eval(&board) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strategy.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut score = estimate_value(board, player, depth); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c_choice` is never read [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut c_choice = String::from(""); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eval` is never used [INFO] [stdout] --> src/strategy.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn eval(board: &Board) -> Player { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minimax` is never used [INFO] [stdout] --> src/strategy.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn minimax(board: &mut Board, depth: i32, player: &Player) -> Vec{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `Command { std: "docker" "inspect" "0967bab2951d83d7b66386d90ababa1bfdc1194116734f739f8146d7a421e445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0967bab2951d83d7b66386d90ababa1bfdc1194116734f739f8146d7a421e445", kill_on_drop: false }` [INFO] [stdout] 0967bab2951d83d7b66386d90ababa1bfdc1194116734f739f8146d7a421e445 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b311f1ba7efe833b833811a0bbb92b146c44628b8714b1930266877f4d95c885 [INFO] running `Command { std: "docker" "start" "-a" "b311f1ba7efe833b833811a0bbb92b146c44628b8714b1930266877f4d95c885", kill_on_drop: false }` [INFO] [stderr] Compiling my_ttt_negamax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> src/board.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::raw::c_char` [INFO] [stdout] --> src/player.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::os::raw::c_char; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/board.rs:98:18 [INFO] [stdout] | [INFO] [stdout] 98 | Some(i) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strategy.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut score = match eval(&board) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strategy.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut score = estimate_value(board, player, depth); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c_choice` is never read [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut c_choice = String::from(""); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eval` is never used [INFO] [stdout] --> src/strategy.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn eval(board: &Board) -> Player { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minimax` is never used [INFO] [stdout] --> src/strategy.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn minimax(board: &mut Board, depth: i32, player: &Player) -> Vec{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "b311f1ba7efe833b833811a0bbb92b146c44628b8714b1930266877f4d95c885", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b311f1ba7efe833b833811a0bbb92b146c44628b8714b1930266877f4d95c885", kill_on_drop: false }` [INFO] [stdout] b311f1ba7efe833b833811a0bbb92b146c44628b8714b1930266877f4d95c885