[INFO] cloning repository https://github.com/yituoren/Wordle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yituoren/Wordle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyituoren%2FWordle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyituoren%2FWordle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01c353e813fde228434c24b577eb4243542b7f82
[INFO] checking yituoren/Wordle against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyituoren%2FWordle" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yituoren/Wordle
[INFO] finished tweaking git repo https://github.com/yituoren/Wordle
[INFO] tweaked toml for git repo https://github.com/yituoren/Wordle written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yituoren/Wordle on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yituoren/Wordle 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55c04466a1da266882dd1727f3461ff4b2786fc0ac928743b1c5240d4fec1243
[INFO] running `Command { std: "docker" "start" "-a" "55c04466a1da266882dd1727f3461ff4b2786fc0ac928743b1c5240d4fec1243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c04466a1da266882dd1727f3461ff4b2786fc0ac928743b1c5240d4fec1243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c04466a1da266882dd1727f3461ff4b2786fc0ac928743b1c5240d4fec1243", kill_on_drop: false }`
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[INFO] [stderr]     Checking wordle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `text_io::read`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use text_io::read;
[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: `text_io::read`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use text_io::read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]    --> src/game.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut word: String = "".to_string();
[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 `word` is never read
[INFO] [stdout]    --> src/game.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 word = "".to_string();
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color` is never read
[INFO] [stdout]    --> src/game.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |     let mut color = Color::Black;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color` is never read
[INFO] [stdout]    --> src/game.rs:481:21
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let mut color = tui::style::Color::Black;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `possible_answers` is never read
[INFO] [stdout]    --> src/solver.rs:160:45
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut possible_answers: Vec<String> = Vec::new();
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_correct` is never read
[INFO] [stdout]    --> src/solver.rs:334:36
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let mut is_correct: bool = false;
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer` is never read
[INFO] [stdout]   --> src/main.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut answer: game::Word = Word::new("");
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guess` is never read
[INFO] [stdout]   --> src/main.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut guess: game::Word = Word::new("");
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/solver.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub fn test()
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 |             get_input_span(&mut terminal, &span_output);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let _ = get_input_span(&mut terminal, &span_output);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     get_input_str(terminal, &error.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     let _ = get_input_str(terminal, &error.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |         execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor, Print(" "));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let _ = execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor, Print(" "));;
[INFO] [stdout]     |         +++++++                                                                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:469:13
[INFO] [stdout]     |
[INFO] [stdout] 469 |             execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 469 |             let _ = execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor);;
[INFO] [stdout]     |             +++++++                                                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]    --> src/game.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut word: String = "".to_string();
[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 `word` is never read
[INFO] [stdout]    --> src/game.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 word = "".to_string();
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color` is never read
[INFO] [stdout]    --> src/game.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |     let mut color = Color::Black;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `color` is never read
[INFO] [stdout]    --> src/game.rs:481:21
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let mut color = tui::style::Color::Black;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `possible_answers` is never read
[INFO] [stdout]    --> src/solver.rs:160:45
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut possible_answers: Vec<String> = Vec::new();
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_correct` is never read
[INFO] [stdout]    --> src/solver.rs:334:36
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let mut is_correct: bool = false;
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer` is never read
[INFO] [stdout]   --> src/main.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut answer: game::Word = Word::new("");
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guess` is never read
[INFO] [stdout]   --> src/main.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut guess: game::Word = Word::new("");
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/solver.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub fn test()
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 |             get_input_span(&mut terminal, &span_output);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let _ = get_input_span(&mut terminal, &span_output);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     get_input_str(terminal, &error.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     let _ = get_input_str(terminal, &error.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |         execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor, Print(" "));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let _ = execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor, Print(" "));;
[INFO] [stdout]     |         +++++++                                                                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:469:13
[INFO] [stdout]     |
[INFO] [stdout] 469 |             execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 469 |             let _ = execute!(stdout, SetForegroundColor(color), Print(letter), ResetColor);;
[INFO] [stdout]     |             +++++++                                                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.59s
[INFO] running `Command { std: "docker" "inspect" "e41756424b6a7d8f2522470d6cf859389acde0f005f2c6f6f4e167d661ea8678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41756424b6a7d8f2522470d6cf859389acde0f005f2c6f6f4e167d661ea8678", kill_on_drop: false }`
[INFO] [stdout] e41756424b6a7d8f2522470d6cf859389acde0f005f2c6f6f4e167d661ea8678
