[INFO] cloning repository https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9cf379d70a9fafc9424b73ada2112d5351b28f2 [INFO] checking viliusi/Recursive-Tic-Tac-Toe-Rust against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust [INFO] finished tweaking git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust [INFO] tweaked toml for git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking viliusi/Recursive-Tic-Tac-Toe-Rust against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust [INFO] finished tweaking git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust [INFO] tweaked toml for git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd9fbea0e7a1247df9af6cb77ad01ea64b3747aa6c72570a0de4db380a1149dc [INFO] running `Command { std: "docker" "start" "-a" "cd9fbea0e7a1247df9af6cb77ad01ea64b3747aa6c72570a0de4db380a1149dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd9fbea0e7a1247df9af6cb77ad01ea64b3747aa6c72570a0de4db380a1149dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd9fbea0e7a1247df9af6cb77ad01ea64b3747aa6c72570a0de4db380a1149dc", kill_on_drop: false }` [INFO] [stdout] cd9fbea0e7a1247df9af6cb77ad01ea64b3747aa6c72570a0de4db380a1149dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3971b7051c71b7ec05fc5294a71ba1d490b2898c0849ebf8cd7ed95cc6562c0f [INFO] running `Command { std: "docker" "start" "-a" "3971b7051c71b7ec05fc5294a71ba1d490b2898c0849ebf8cd7ed95cc6562c0f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Checking console v0.15.11 [INFO] [stderr] Checking recursive-tic-tac-toe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:64:24 [INFO] [stdout] | [INFO] [stdout] 64 | if (preview == 9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if (preview == 9) { [INFO] [stdout] 64 + if preview == 9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:64:24 [INFO] [stdout] | [INFO] [stdout] 64 | if (preview == 9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if (preview == 9) { [INFO] [stdout] 64 + if preview == 9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `return_pos` is assigned to, but never used [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut return_pos = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_return_pos` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `return_pos` is never read [INFO] [stdout] --> src/main.rs:66:25 [INFO] [stdout] | [INFO] [stdout] 66 | return_pos = 9; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/main.rs:151:21 [INFO] [stdout] | [INFO] [stdout] 151 | let mut i: u8 = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 159 | i = i_target; [INFO] [stdout] | ------------ `i` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 208 | board: &mut [[u8; 9]; 9], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `focus` [INFO] [stdout] --> src/main.rs:209:5 [INFO] [stdout] | [INFO] [stdout] 209 | focus: &mut u8, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_focus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `preview` [INFO] [stdout] --> src/main.rs:210:5 [INFO] [stdout] | [INFO] [stdout] 210 | preview: &mut u8, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_turn` [INFO] [stdout] --> src/main.rs:212:5 [INFO] [stdout] | [INFO] [stdout] 212 | current_turn: bool, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:267:5 [INFO] [stdout] | [INFO] [stdout] 267 | input: char, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:268:5 [INFO] [stdout] | [INFO] [stdout] 268 | board: &mut [[u8; 9]; 9], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `return_pos` is assigned to, but never used [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut return_pos = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_return_pos` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `return_pos` is never read [INFO] [stdout] --> src/main.rs:66:25 [INFO] [stdout] | [INFO] [stdout] 66 | return_pos = 9; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_turn` [INFO] [stdout] --> src/main.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | current_turn: bool, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `j` is never read [INFO] [stdout] --> src/main.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut j = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 310 | j = j_target; [INFO] [stdout] | ------------ `j` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/main.rs:151:21 [INFO] [stdout] | [INFO] [stdout] 151 | let mut i: u8 = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 159 | i = i_target; [INFO] [stdout] | ------------ `i` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 208 | board: &mut [[u8; 9]; 9], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `focus` [INFO] [stdout] --> src/main.rs:209:5 [INFO] [stdout] | [INFO] [stdout] 209 | focus: &mut u8, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_focus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `preview` [INFO] [stdout] --> src/main.rs:210:5 [INFO] [stdout] | [INFO] [stdout] 210 | preview: &mut u8, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_turn` [INFO] [stdout] --> src/main.rs:212:5 [INFO] [stdout] | [INFO] [stdout] 212 | current_turn: bool, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:267:5 [INFO] [stdout] | [INFO] [stdout] 267 | input: char, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:268:5 [INFO] [stdout] | [INFO] [stdout] 268 | board: &mut [[u8; 9]; 9], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_turn` [INFO] [stdout] --> src/main.rs:270:5 [INFO] [stdout] | [INFO] [stdout] 270 | current_turn: bool, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `j` is never read [INFO] [stdout] --> src/main.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut j = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 310 | j = j_target; [INFO] [stdout] | ------------ `j` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "3971b7051c71b7ec05fc5294a71ba1d490b2898c0849ebf8cd7ed95cc6562c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3971b7051c71b7ec05fc5294a71ba1d490b2898c0849ebf8cd7ed95cc6562c0f", kill_on_drop: false }` [INFO] [stdout] 3971b7051c71b7ec05fc5294a71ba1d490b2898c0849ebf8cd7ed95cc6562c0f