[INFO] cloning repository https://github.com/hjsjhn/SimpleWordle [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjsjhn/SimpleWordle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjsjhn%2FSimpleWordle", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjsjhn%2FSimpleWordle'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d574433bf5e9b6fa4309cd61410a17c0a5f0917c [INFO] checking hjsjhn/SimpleWordle against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjsjhn%2FSimpleWordle" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hjsjhn/SimpleWordle on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hjsjhn/SimpleWordle [INFO] finished tweaking git repo https://github.com/hjsjhn/SimpleWordle [INFO] tweaked toml for git repo https://github.com/hjsjhn/SimpleWordle written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hjsjhn/SimpleWordle 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding autocfg v1.3.0 [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding byteorder v1.5.0 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.16) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.2) [INFO] [stderr] Adding getrandom v0.2.15 [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.4.0) [INFO] [stderr] Updating libc v0.2.131 -> v0.2.158 [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding ppv-lite86 v0.2.20 [INFO] [stderr] Updating proc-macro2 v1.0.43 -> v1.0.86 [INFO] [stderr] Updating quote v1.0.21 -> v1.0.37 [INFO] [stderr] Adding rand v0.8.5 [INFO] [stderr] Adding rand_chacha v0.3.1 [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.6.4 [INFO] [stderr] Updating serde v1.0.143 -> v1.0.209 [INFO] [stderr] Adding serde_derive v1.0.209 [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v2.0.76 [INFO] [stderr] Adding termcolor v1.4.1 [INFO] [stderr] Adding textwrap v0.16.1 [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding winapi-util v0.1.9 [INFO] [stderr] Adding windows-sys v0.59.0 [INFO] [stderr] Adding windows-targets v0.52.6 [INFO] [stderr] Adding windows_aarch64_gnullvm v0.52.6 [INFO] [stderr] Adding windows_aarch64_msvc v0.52.6 [INFO] [stderr] Adding windows_i686_gnu v0.52.6 [INFO] [stderr] Adding windows_i686_gnullvm v0.52.6 [INFO] [stderr] Adding windows_i686_msvc v0.52.6 [INFO] [stderr] Adding windows_x86_64_gnu v0.52.6 [INFO] [stderr] Adding windows_x86_64_gnullvm v0.52.6 [INFO] [stderr] Adding windows_x86_64_msvc v0.52.6 [INFO] [stderr] Adding zerocopy v0.7.35 [INFO] [stderr] Adding zerocopy-derive v0.7.35 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ntest_test_cases v0.8.0 [INFO] [stderr] Downloaded ntest_proc_macro_helper v0.8.0 [INFO] [stderr] Downloaded ntest v0.8.1 [INFO] [stderr] Downloaded ntest_timeout v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b06ae64345aec38abe62e7ee63f4315197ca141d67b7dc3605d54b75edcebab [INFO] running `Command { std: "docker" "start" "-a" "2b06ae64345aec38abe62e7ee63f4315197ca141d67b7dc3605d54b75edcebab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b06ae64345aec38abe62e7ee63f4315197ca141d67b7dc3605d54b75edcebab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b06ae64345aec38abe62e7ee63f4315197ca141d67b7dc3605d54b75edcebab", kill_on_drop: false }` [INFO] [stdout] 2b06ae64345aec38abe62e7ee63f4315197ca141d67b7dc3605d54b75edcebab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cea0187a22f231143a409a9916009b23a0b8fd79a6dd639579825eb6877c2e0 [INFO] running `Command { std: "docker" "start" "-a" "1cea0187a22f231143a409a9916009b23a0b8fd79a6dd639579825eb6877c2e0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling ntest_proc_macro_helper v0.8.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking pretty_assertions v1.2.1 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking console v0.15.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.32 [INFO] [stderr] Compiling ntest_test_cases v0.8.0 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking assert-json-diff v2.0.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling thiserror v1.0.32 [INFO] [stderr] Compiling proc-macro-crate v1.2.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling ntest_timeout v0.8.1 [INFO] [stderr] Checking ntest v0.8.1 [INFO] [stderr] Checking wordle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut col: Color = color.unwrap_or(Color::Nothing); [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/main.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut col: Color = color.unwrap_or(Color::Nothing); [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: value assigned to `input_word` is never read [INFO] [stdout] --> src/main.rs:409:21 [INFO] [stdout] | [INFO] [stdout] 409 | let mut input_word = String::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `input_word` is never read [INFO] [stdout] --> src/main.rs:410:13 [INFO] [stdout] | [INFO] [stdout] 410 | input_word = "tares".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 `input_word` is never read [INFO] [stdout] --> src/main.rs:409:21 [INFO] [stdout] | [INFO] [stdout] 409 | let mut input_word = String::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `input_word` is never read [INFO] [stdout] --> src/main.rs:410:13 [INFO] [stdout] | [INFO] [stdout] 410 | input_word = "tares".to_string(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:800:17 [INFO] [stdout] | [INFO] [stdout] 800 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:800:17 [INFO] [stdout] | [INFO] [stdout] 800 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:823:17 [INFO] [stdout] | [INFO] [stdout] 823 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:823:17 [INFO] [stdout] | [INFO] [stdout] 823 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `key_word` is never read [INFO] [stdout] --> src/main.rs:764:13 [INFO] [stdout] | [INFO] [stdout] 764 | let mut key_word: String = String::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 `key_word` is never read [INFO] [stdout] --> src/main.rs:764:13 [INFO] [stdout] | [INFO] [stdout] 764 | let mut key_word: String = String::new(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:757:5 [INFO] [stdout] | [INFO] [stdout] 757 | mut state_file_path: &str, [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:912:9 [INFO] [stdout] | [INFO] [stdout] 912 | let mut wordle = Wordle::new( [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:757:5 [INFO] [stdout] | [INFO] [stdout] 757 | mut state_file_path: &str, [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:912:9 [INFO] [stdout] | [INFO] [stdout] 912 | let mut wordle = Wordle::new( [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:1042:13 [INFO] [stdout] | [INFO] [stdout] 1042 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:1082:13 [INFO] [stdout] | [INFO] [stdout] 1082 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:1042:13 [INFO] [stdout] | [INFO] [stdout] 1042 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:1082:13 [INFO] [stdout] | [INFO] [stdout] 1082 | Err(_) => return Err(ArgsErr("File path has a wrong format."))?, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stats`, `seed`, and `final_set` are never read [INFO] [stdout] --> src/main.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 105 | struct Wordle { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 108 | stats: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 109 | seed: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 110 | tty: bool, [INFO] [stdout] 111 | final_set: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stats`, `seed`, and `final_set` are never read [INFO] [stdout] --> src/main.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 105 | struct Wordle { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 108 | stats: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 109 | seed: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 110 | tty: bool, [INFO] [stdout] 111 | final_set: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | io::stdin().read_line(&mut key_word); [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] 159 | let _ = io::stdin().read_line(&mut key_word); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | io::stdin().read_line(&mut key_word); [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] 159 | let _ = io::stdin().read_line(&mut key_word); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s [INFO] running `Command { std: "docker" "inspect" "1cea0187a22f231143a409a9916009b23a0b8fd79a6dd639579825eb6877c2e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cea0187a22f231143a409a9916009b23a0b8fd79a6dd639579825eb6877c2e0", kill_on_drop: false }` [INFO] [stdout] 1cea0187a22f231143a409a9916009b23a0b8fd79a6dd639579825eb6877c2e0