[INFO] cloning repository https://github.com/colinthatcher/checkers-engine-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colinthatcher/checkers-engine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinthatcher%2Fcheckers-engine-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinthatcher%2Fcheckers-engine-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76a1523e4daa42c027267615eb20a5b033f6ba55 [INFO] building colinthatcher/checkers-engine-rs against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinthatcher%2Fcheckers-engine-rs" "/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/colinthatcher/checkers-engine-rs on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/colinthatcher/checkers-engine-rs [INFO] finished tweaking git repo https://github.com/colinthatcher/checkers-engine-rs [INFO] tweaked toml for git repo https://github.com/colinthatcher/checkers-engine-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/colinthatcher/checkers-engine-rs 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec573a3f08ffde3a5f2dd55d5582bdabc252e246752fe8ef91a4e3e4ae056181 [INFO] running `Command { std: "docker" "start" "-a" "ec573a3f08ffde3a5f2dd55d5582bdabc252e246752fe8ef91a4e3e4ae056181", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec573a3f08ffde3a5f2dd55d5582bdabc252e246752fe8ef91a4e3e4ae056181", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec573a3f08ffde3a5f2dd55d5582bdabc252e246752fe8ef91a4e3e4ae056181", kill_on_drop: false }` [INFO] [stdout] ec573a3f08ffde3a5f2dd55d5582bdabc252e246752fe8ef91a4e3e4ae056181 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d8623d502bb5bc5b61a624a63adb1ad89b5f43fc369c3a2499a1b8b52f59cea [INFO] running `Command { std: "docker" "start" "-a" "9d8623d502bb5bc5b61a624a63adb1ad89b5f43fc369c3a2499a1b8b52f59cea", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling unicode-bidi v0.3.8 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling cpufeatures v0.2.5 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling http v0.2.8 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling unicode-normalization v0.1.21 [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 idna v0.2.3 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.3 [INFO] [stderr] Compiling digest v0.10.3 [INFO] [stderr] Compiling url v2.3.0 [INFO] [stderr] Compiling sha-1 v0.10.0 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling thiserror v1.0.34 [INFO] [stderr] Compiling tungstenite v0.17.3 [INFO] [stderr] Compiling checkers-engine-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/game.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`, and `Mutex` [INFO] [stdout] --> src/game.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Arc, Mutex, MutexGuard}; [INFO] [stdout] | ^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::game::EMPTY_POS` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::game::EMPTY_POS; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `checkers` [INFO] [stdout] --> src/game.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut checkers: Checkers = Checkers::init(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkers` [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/game.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | let mut checkers: Checkers = Checkers::init(); [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: unused variable: `all_jumpable_pieces2` [INFO] [stdout] --> src/game.rs:214:22 [INFO] [stdout] | [INFO] [stdout] 214 | let (all_jumpable_pieces2, all_available_jumps2) = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_jumpable_pieces2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let mut checkers = &mut checkers_arc.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init_with_players` and `set_completed` are never used [INFO] [stdout] --> src/game.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Checkers { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn init_with_players(&mut self, player1: String, player2: String) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | fn set_completed(&mut self, completed: bool) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `move_piece` is never used [INFO] [stdout] --> src/game/checkers_board.rs:313:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl CheckersBoard { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 313 | pub fn move_piece( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `init` is never used [INFO] [stdout] --> src/game/checkers_board/checkers_piece.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl CheckerPiece { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 12 | fn init() -> CheckerPiece { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | / websocket.write_message(Message::Text(String::from( [INFO] [stdout] 177 | | "SERVER ERROR: Please notify dumb admin that checker board failed to setup!", [INFO] [stdout] 178 | | ))); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = websocket.write_message(Message::Text(String::from( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s [INFO] running `Command { std: "docker" "inspect" "9d8623d502bb5bc5b61a624a63adb1ad89b5f43fc369c3a2499a1b8b52f59cea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d8623d502bb5bc5b61a624a63adb1ad89b5f43fc369c3a2499a1b8b52f59cea", kill_on_drop: false }` [INFO] [stdout] 9d8623d502bb5bc5b61a624a63adb1ad89b5f43fc369c3a2499a1b8b52f59cea [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63cd62dc007a20695ba9741238386c1ec7dde0795aa5c9dee242cfd18c4f2608 [INFO] running `Command { std: "docker" "start" "-a" "63cd62dc007a20695ba9741238386c1ec7dde0795aa5c9dee242cfd18c4f2608", kill_on_drop: false }` [INFO] [stderr] Compiling checkers-engine-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/game.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`, and `Mutex` [INFO] [stdout] --> src/game.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Arc, Mutex, MutexGuard}; [INFO] [stdout] | ^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::game::EMPTY_POS` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::game::EMPTY_POS; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `checkers` [INFO] [stdout] --> src/game.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut checkers: Checkers = Checkers::init(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkers` [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/game.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | let mut checkers: Checkers = Checkers::init(); [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: unused variable: `all_jumpable_pieces2` [INFO] [stdout] --> src/game.rs:214:22 [INFO] [stdout] | [INFO] [stdout] 214 | let (all_jumpable_pieces2, all_available_jumps2) = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_jumpable_pieces2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let mut checkers = &mut checkers_arc.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:210:13 [INFO] [stdout] | [INFO] [stdout] 210 | let mut checkers = game::Checkers::init(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `option` [INFO] [stdout] --> src/main.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | let option = checkers.init_with_players("test1".to_string(), "test2".to_string()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_completed` is never used [INFO] [stdout] --> src/game.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl Checkers { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn set_completed(&mut self, completed: bool) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `move_piece` is never used [INFO] [stdout] --> src/game/checkers_board.rs:313:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl CheckersBoard { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 313 | pub fn move_piece( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `init` is never used [INFO] [stdout] --> src/game/checkers_board/checkers_piece.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl CheckerPiece { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 12 | fn init() -> CheckerPiece { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | / websocket.write_message(Message::Text(String::from( [INFO] [stdout] 177 | | "SERVER ERROR: Please notify dumb admin that checker board failed to setup!", [INFO] [stdout] 178 | | ))); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = websocket.write_message(Message::Text(String::from( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "63cd62dc007a20695ba9741238386c1ec7dde0795aa5c9dee242cfd18c4f2608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63cd62dc007a20695ba9741238386c1ec7dde0795aa5c9dee242cfd18c4f2608", kill_on_drop: false }` [INFO] [stdout] 63cd62dc007a20695ba9741238386c1ec7dde0795aa5c9dee242cfd18c4f2608