[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] building EdwardGarmon/checkers_rust 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%2FEdwardGarmon%2Fcheckers_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EdwardGarmon/checkers_rust 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/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-1-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3a44709767d1b3d34c4d8c894b582aad062ebbf83bc342f8ff875a98229593b9 [INFO] running `Command { std: "docker" "start" "-a" "3a44709767d1b3d34c4d8c894b582aad062ebbf83bc342f8ff875a98229593b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a44709767d1b3d34c4d8c894b582aad062ebbf83bc342f8ff875a98229593b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a44709767d1b3d34c4d8c894b582aad062ebbf83bc342f8ff875a98229593b9", kill_on_drop: false }` [INFO] [stdout] 3a44709767d1b3d34c4d8c894b582aad062ebbf83bc342f8ff875a98229593b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4a5890c227b543577ab76ab8dce7becb0d1dee96a626e4ee21097c90acb4709b [INFO] running `Command { std: "docker" "start" "-a" "4a5890c227b543577ab76ab8dce7becb0d1dee96a626e4ee21097c90acb4709b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling indextree v4.4.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [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 Minimax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `io::Empty`, `iter::Cloned`, `ops::ControlFlow`, and `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` and `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` and `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` and `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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "4a5890c227b543577ab76ab8dce7becb0d1dee96a626e4ee21097c90acb4709b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a5890c227b543577ab76ab8dce7becb0d1dee96a626e4ee21097c90acb4709b", kill_on_drop: false }` [INFO] [stdout] 4a5890c227b543577ab76ab8dce7becb0d1dee96a626e4ee21097c90acb4709b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 39f0fd2b090a13ddda4dfa4c65e6cc327e4b3a97045eaa6940bdb796c6b5e51c [INFO] running `Command { std: "docker" "start" "-a" "39f0fd2b090a13ddda4dfa4c65e6cc327e4b3a97045eaa6940bdb796c6b5e51c", kill_on_drop: false }` [INFO] [stderr] Compiling Minimax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `io::Empty`, `iter::Cloned`, `ops::ControlFlow`, and `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` and `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` and `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` and `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: 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "39f0fd2b090a13ddda4dfa4c65e6cc327e4b3a97045eaa6940bdb796c6b5e51c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39f0fd2b090a13ddda4dfa4c65e6cc327e4b3a97045eaa6940bdb796c6b5e51c", kill_on_drop: false }` [INFO] [stdout] 39f0fd2b090a13ddda4dfa4c65e6cc327e4b3a97045eaa6940bdb796c6b5e51c