[INFO] cloning repository https://github.com/EdwardGarmon/checkers_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdwardGarmon/checkers_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdwardGarmon%2Fcheckers_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdwardGarmon%2Fcheckers_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec1b5d28bcf7b62e36da19e8ca0d16c534dd94e8 [INFO] checking EdwardGarmon/checkers_rust against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdwardGarmon%2Fcheckers_rust" "/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/EdwardGarmon/checkers_rust on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EdwardGarmon/checkers_rust [INFO] finished tweaking git repo https://github.com/EdwardGarmon/checkers_rust [INFO] tweaked toml for git repo https://github.com/EdwardGarmon/checkers_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/EdwardGarmon/checkers_rust 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indextree v4.4.0 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7988708c537ad694c4596d9bfa2b519a0eb4f462ed2dc86b67011d37f3260f58 [INFO] running `Command { std: "docker" "start" "-a" "7988708c537ad694c4596d9bfa2b519a0eb4f462ed2dc86b67011d37f3260f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7988708c537ad694c4596d9bfa2b519a0eb4f462ed2dc86b67011d37f3260f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7988708c537ad694c4596d9bfa2b519a0eb4f462ed2dc86b67011d37f3260f58", kill_on_drop: false }` [INFO] [stdout] 7988708c537ad694c4596d9bfa2b519a0eb4f462ed2dc86b67011d37f3260f58 [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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fb1237db1d99f8f7d21bd672a9b40b7fa86cf129875e70c238a8b5554ae98c4 [INFO] running `Command { std: "docker" "start" "-a" "0fb1237db1d99f8f7d21bd672a9b40b7fa86cf129875e70c238a8b5554ae98c4", kill_on_drop: false }` [INFO] [stderr] Checking indextree v4.4.0 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking Minimax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `io::Empty`, `iter::Cloned`, `ops::ControlFlow`, `write` [INFO] [stdout] --> src/board.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | fmt::{self, write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 3 | io::Empty, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | iter::Cloned, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 5 | ops::ControlFlow, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BitVec`, `Blocks` [INFO] [stdout] --> src/board.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use bit_vec::{BitVec, Blocks}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `prelude::SliceRandom`, `seq::index` [INFO] [stdout] --> src/board.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | use rand::{prelude::SliceRandom, seq::index, Rng}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `io::Empty`, `iter::Cloned`, `ops::ControlFlow`, `write` [INFO] [stdout] --> src/board.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | fmt::{self, write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 3 | io::Empty, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | iter::Cloned, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 5 | ops::ControlFlow, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IteratorRandom`, `SliceRandom` [INFO] [stdout] --> src/montecarlo.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | prelude::{IteratorRandom, SliceRandom}, [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BitVec`, `Blocks` [INFO] [stdout] --> src/board.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use bit_vec::{BitVec, Blocks}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `prelude::SliceRandom`, `seq::index` [INFO] [stdout] --> src/board.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | use rand::{prelude::SliceRandom, seq::index, Rng}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IteratorRandom`, `SliceRandom` [INFO] [stdout] --> src/montecarlo.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | prelude::{IteratorRandom, SliceRandom}, [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `slice::SliceIndex` [INFO] [stdout] --> src/board.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | slice::SliceIndex, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `slice::SliceIndex` [INFO] [stdout] --> src/board.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | slice::SliceIndex, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/montecarlo.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | let mut self_node = arena.get_mut(self.loc.unwrap()).unwrap().get_mut(); [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/montecarlo.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | let mut self_node = arena.get_mut(self.loc.unwrap()).unwrap().get_mut(); [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: static `BITS_PS` is never used [INFO] [stdout] --> src/board.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | static BITS_PS: usize = 3; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_current_color` and `print_board` are never used [INFO] [stdout] --> src/board.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 219 | impl Board { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 220 | pub fn get_current_color(&self) -> Color { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 459 | pub fn print_board(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/minimax.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `BITS_PS` is never used [INFO] [stdout] --> src/board.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | static BITS_PS: usize = 3; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_current_color` and `print_board` are never used [INFO] [stdout] --> src/board.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 219 | impl Board { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 220 | pub fn get_current_color(&self) -> Color { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 459 | pub fn print_board(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/minimax.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Minimax` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `minimax` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Minimax` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `minimax` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "0fb1237db1d99f8f7d21bd672a9b40b7fa86cf129875e70c238a8b5554ae98c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fb1237db1d99f8f7d21bd672a9b40b7fa86cf129875e70c238a8b5554ae98c4", kill_on_drop: false }` [INFO] [stdout] 0fb1237db1d99f8f7d21bd672a9b40b7fa86cf129875e70c238a8b5554ae98c4