[INFO] cloning repository https://github.com/iamquang95/wordle-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamquang95/wordle-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamquang95%2Fwordle-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamquang95%2Fwordle-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7680c1752973bdd58b607ad99df5383bd9134471 [INFO] checking iamquang95/wordle-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamquang95%2Fwordle-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamquang95/wordle-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamquang95/wordle-rs [INFO] finished tweaking git repo https://github.com/iamquang95/wordle-rs [INFO] tweaked toml for git repo https://github.com/iamquang95/wordle-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iamquang95/wordle-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eddcd6d824cf628b694369d190873fd895d5b3604be81cc6ca9509040d86618d [INFO] running `Command { std: "docker" "start" "-a" "eddcd6d824cf628b694369d190873fd895d5b3604be81cc6ca9509040d86618d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eddcd6d824cf628b694369d190873fd895d5b3604be81cc6ca9509040d86618d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eddcd6d824cf628b694369d190873fd895d5b3604be81cc6ca9509040d86618d", kill_on_drop: false }` [INFO] [stdout] eddcd6d824cf628b694369d190873fd895d5b3604be81cc6ca9509040d86618d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c6cae255f1ba4aed2c954f115d50e189358cb0689592bd7bb3be8070c581e43 [INFO] running `Command { std: "docker" "start" "-a" "4c6cae255f1ba4aed2c954f115d50e189358cb0689592bd7bb3be8070c581e43", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking wordle-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut state = &mut self.state; [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: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut state = &mut self.state; [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: field `state` is never read [INFO] [stdout] --> src/game.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub struct GameResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 104 | pub judged_guesses: Vec, [INFO] [stdout] 105 | pub state: State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GameResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/game.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub struct GameResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 104 | pub judged_guesses: Vec, [INFO] [stdout] 105 | pub state: State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GameResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s [INFO] running `Command { std: "docker" "inspect" "4c6cae255f1ba4aed2c954f115d50e189358cb0689592bd7bb3be8070c581e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c6cae255f1ba4aed2c954f115d50e189358cb0689592bd7bb3be8070c581e43", kill_on_drop: false }` [INFO] [stdout] 4c6cae255f1ba4aed2c954f115d50e189358cb0689592bd7bb3be8070c581e43 [INFO] checking iamquang95/wordle-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamquang95%2Fwordle-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamquang95/wordle-rs on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamquang95/wordle-rs [INFO] finished tweaking git repo https://github.com/iamquang95/wordle-rs [INFO] tweaked toml for git repo https://github.com/iamquang95/wordle-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iamquang95/wordle-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f15210e36e48f5f1f79180603bb4beb65c9ac47ac8799285890bb6429085b1a3 [INFO] running `Command { std: "docker" "start" "-a" "f15210e36e48f5f1f79180603bb4beb65c9ac47ac8799285890bb6429085b1a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f15210e36e48f5f1f79180603bb4beb65c9ac47ac8799285890bb6429085b1a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f15210e36e48f5f1f79180603bb4beb65c9ac47ac8799285890bb6429085b1a3", kill_on_drop: false }` [INFO] [stdout] f15210e36e48f5f1f79180603bb4beb65c9ac47ac8799285890bb6429085b1a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2878aa53c857ce32b785409d7216616cb3996681c6fa314ba7e0955ff638f1b0 [INFO] running `Command { std: "docker" "start" "-a" "2878aa53c857ce32b785409d7216616cb3996681c6fa314ba7e0955ff638f1b0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking wordle-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut state = &mut self.state; [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: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut state = &mut self.state; [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: field `state` is never read [INFO] [stdout] --> src/game.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub struct GameResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 104 | pub judged_guesses: Vec, [INFO] [stdout] 105 | pub state: State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GameResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/game.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub struct GameResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 104 | pub judged_guesses: Vec, [INFO] [stdout] 105 | pub state: State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GameResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s [INFO] running `Command { std: "docker" "inspect" "2878aa53c857ce32b785409d7216616cb3996681c6fa314ba7e0955ff638f1b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2878aa53c857ce32b785409d7216616cb3996681c6fa314ba7e0955ff638f1b0", kill_on_drop: false }` [INFO] [stdout] 2878aa53c857ce32b785409d7216616cb3996681c6fa314ba7e0955ff638f1b0