[INFO] cloning repository https://github.com/nosark/wordle_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nosark/wordle_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosark%2Fwordle_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosark%2Fwordle_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bcbddcae0fcde773421e7f5f05a779d6a82fe4f
[INFO] checking nosark/wordle_solver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnosark%2Fwordle_solver" "/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/nosark/wordle_solver
[INFO] finished tweaking git repo https://github.com/nosark/wordle_solver
[INFO] tweaked toml for git repo https://github.com/nosark/wordle_solver written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nosark/wordle_solver on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nosark/wordle_solver 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a113145f2474f3f5dfbd07a695bc88854ec6128bd80906bd930dde6cc4993fa
[INFO] running `Command { std: "docker" "start" "-a" "2a113145f2474f3f5dfbd07a695bc88854ec6128bd80906bd930dde6cc4993fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a113145f2474f3f5dfbd07a695bc88854ec6128bd80906bd930dde6cc4993fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a113145f2474f3f5dfbd07a695bc88854ec6128bd80906bd930dde6cc4993fa", kill_on_drop: false }`
[INFO] [stdout] 2a113145f2474f3f5dfbd07a695bc88854ec6128bd80906bd930dde6cc4993fa
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd33bd147eb8f6a56870923185675a160819b372d6ebe0ccbf992b0b97b02b3
[INFO] running `Command { std: "docker" "start" "-a" "2dd33bd147eb8f6a56870923185675a160819b372d6ebe0ccbf992b0b97b02b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[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 wordle_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `guess_history` and `did_win_round` are never read
[INFO] [stdout]    --> src/wordle.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub struct WordleRound {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 146 |     guess_history: GuessHistory,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 147 |     did_win_round: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/utility.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file_results: String = fs::read_to_string(file_path)?.parse()?;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/utility.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file_results: String = fs::read_to_string(file_path)?.parse()?;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wordle_solver` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `WORDS` is never used
[INFO] [stdout]   --> src/utility.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 |     const WORDS: &str = include_str!("../res/dictionary.txt");
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `guess_history` and `did_win_round` are never read
[INFO] [stdout]    --> src/wordle.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub struct WordleRound {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 146 |     guess_history: GuessHistory,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 147 |     did_win_round: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/utility.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file_results: String = fs::read_to_string(file_path)?.parse()?;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/utility.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let file_results: String = fs::read_to_string(file_path)?.parse()?;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wordle_solver` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2dd33bd147eb8f6a56870923185675a160819b372d6ebe0ccbf992b0b97b02b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd33bd147eb8f6a56870923185675a160819b372d6ebe0ccbf992b0b97b02b3", kill_on_drop: false }`
[INFO] [stdout] 2dd33bd147eb8f6a56870923185675a160819b372d6ebe0ccbf992b0b97b02b3
