[INFO] cloning repository https://github.com/endvvell/muz.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/endvvell/muz.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendvvell%2Fmuz.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendvvell%2Fmuz.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0dc8087ac402a65b45a8e3d6809495a95efd67e1 [INFO] checking endvvell/muz.rs against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendvvell%2Fmuz.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/endvvell/muz.rs [INFO] finished tweaking git repo https://github.com/endvvell/muz.rs [INFO] tweaked toml for git repo https://github.com/endvvell/muz.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/endvvell/muz.rs on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/endvvell/muz.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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8a3aae3e51915858de6cc910691a1f8db6517c907ef71ff05faa6d2f2cd6c8f [INFO] running `Command { std: "docker" "start" "-a" "c8a3aae3e51915858de6cc910691a1f8db6517c907ef71ff05faa6d2f2cd6c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8a3aae3e51915858de6cc910691a1f8db6517c907ef71ff05faa6d2f2cd6c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8a3aae3e51915858de6cc910691a1f8db6517c907ef71ff05faa6d2f2cd6c8f", kill_on_drop: false }` [INFO] [stdout] c8a3aae3e51915858de6cc910691a1f8db6517c907ef71ff05faa6d2f2cd6c8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 087816fa8c5fe78c76cadc824a6cad14815db9f59b40ad07f390834cbc7e9630 [INFO] running `Command { std: "docker" "start" "-a" "087816fa8c5fe78c76cadc824a6cad14815db9f59b40ad07f390834cbc7e9630", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking anstyle-query v1.1.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking clap_lex v0.7.1 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking clap_builder v4.5.7 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling clap_derive v4.5.5 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking clap v4.5.7 [INFO] [stderr] Checking muz_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `game_type_id` and `game_type_name` are never read [INFO] [stdout] --> src/main.rs:1206:5 [INFO] [stdout] | [INFO] [stdout] 1204 | struct GameType<'a> { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 1205 | // TODO: either remove these because they are not needed, or rewrite code so that it uses these fields [INFO] [stdout] 1206 | game_type_id: i32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 1207 | game_type_name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GameType` 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: constant `RED_WITH_UNDERLINE` is never used [INFO] [stdout] --> src/colours/colours.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub const RED_WITH_UNDERLINE: &str = "\x1B[4;31m"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `GREEN_WITH_UNDERLINE` is never used [INFO] [stdout] --> src/colours/colours.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | pub const GREEN_WITH_UNDERLINE: &str = "\x1B[4;32m"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `YELLOW` is never used [INFO] [stdout] --> src/colours/colours.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | pub const YELLOW: &str = "\x1B[33m"; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BLUE` is never used [INFO] [stdout] --> src/colours/colours.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | pub const BLUE: &str = "\x1B[34m"; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BLUE_WITH_UNDERLINE` is never used [INFO] [stdout] --> src/colours/colours.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 15 | pub const BLUE_WITH_UNDERLINE: &str = "\x1B[4;34m"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:331:13 [INFO] [stdout] | [INFO] [stdout] 331 | / writer_buf.write_all( [INFO] [stdout] 332 | | format!( [INFO] [stdout] 333 | | "\n\n{:>42}\n", [INFO] [stdout] 334 | | YELLOW_WITH_UNDERLINE.to_owned() [INFO] [stdout] ... | [INFO] [stdout] 338 | | .as_bytes(), [INFO] [stdout] 339 | | ); // TODO: error handling [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] 331 | let _ = writer_buf.write_all( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:356:17 [INFO] [stdout] | [INFO] [stdout] 356 | / writer_buf.write_all( [INFO] [stdout] 357 | | format!( [INFO] [stdout] 358 | | "\n{:>width$} {} )\n", [INFO] [stdout] 359 | | "(", [INFO] [stdout] ... | [INFO] [stdout] 363 | | .as_bytes(), [INFO] [stdout] 364 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 356 | let _ = writer_buf.write_all( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | / writer_buf.write_all( [INFO] [stdout] 385 | | format!( [INFO] [stdout] 386 | | " {:>width$}{}\n", [INFO] [stdout] 387 | | "|", [INFO] [stdout] ... | [INFO] [stdout] 391 | | .as_bytes(), [INFO] [stdout] 392 | | ); [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] 384 | let _ = writer_buf.write_all( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:395:17 [INFO] [stdout] | [INFO] [stdout] 395 | / writer_buf.write_all( [INFO] [stdout] 396 | | format!( [INFO] [stdout] 397 | | " {: src/main.rs:418:25 [INFO] [stdout] | [INFO] [stdout] 418 | / writer_buf.write_all( [INFO] [stdout] 419 | | format!( [INFO] [stdout] 420 | | " {: src/main.rs:430:13 [INFO] [stdout] | [INFO] [stdout] 430 | writer_buf.write_all("\n".as_bytes()); [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] 430 | let _ = writer_buf.write_all("\n".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `askForAnswer` should have a snake case name [INFO] [stdout] --> src/main.rs:434:8 [INFO] [stdout] | [INFO] [stdout] 434 | fn askForAnswer(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `ask_for_answer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:437:13 [INFO] [stdout] | [INFO] [stdout] 437 | io::stdout().flush(); // TODO: error handling [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] 437 | let _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:445:13 [INFO] [stdout] | [INFO] [stdout] 445 | io::stdout().flush(); // TODO: error handling [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 _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mut_askExercise` should have a snake case name [INFO] [stdout] --> src/main.rs:1040:8 [INFO] [stdout] | [INFO] [stdout] 1040 | fn mut_askExercise(&mut self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `mut_ask_exercise` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:1046:13 [INFO] [stdout] | [INFO] [stdout] 1046 | io::stdout().flush(); // TODO: error handling [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] 1046 | let _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:1197:38 [INFO] [stdout] | [INFO] [stdout] 1197 | fn init_game_resources<'a>(cmd_args: &CommandArguments) -> (Game<'a>, Octave) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ ------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1197 | fn init_game_resources<'a>(cmd_args: &CommandArguments) -> (Game<'a>, Octave<'_>) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:1238:9 [INFO] [stdout] | [INFO] [stdout] 1238 | io::stdout().flush(); // TODO: error handling [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] 1238 | let _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `game_type_id` and `game_type_name` are never read [INFO] [stdout] --> src/main.rs:1206:5 [INFO] [stdout] | [INFO] [stdout] 1204 | struct GameType<'a> { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 1205 | // TODO: either remove these because they are not needed, or rewrite code so that it uses these fields [INFO] [stdout] 1206 | game_type_id: i32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 1207 | game_type_name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GameType` 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: constant `RED_WITH_UNDERLINE` is never used [INFO] [stdout] --> src/colours/colours.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub const RED_WITH_UNDERLINE: &str = "\x1B[4;31m"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `GREEN_WITH_UNDERLINE` is never used [INFO] [stdout] --> src/colours/colours.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | pub const GREEN_WITH_UNDERLINE: &str = "\x1B[4;32m"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `YELLOW` is never used [INFO] [stdout] --> src/colours/colours.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | pub const YELLOW: &str = "\x1B[33m"; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BLUE` is never used [INFO] [stdout] --> src/colours/colours.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | pub const BLUE: &str = "\x1B[34m"; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BLUE_WITH_UNDERLINE` is never used [INFO] [stdout] --> src/colours/colours.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 15 | pub const BLUE_WITH_UNDERLINE: &str = "\x1B[4;34m"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:331:13 [INFO] [stdout] | [INFO] [stdout] 331 | / writer_buf.write_all( [INFO] [stdout] 332 | | format!( [INFO] [stdout] 333 | | "\n\n{:>42}\n", [INFO] [stdout] 334 | | YELLOW_WITH_UNDERLINE.to_owned() [INFO] [stdout] ... | [INFO] [stdout] 338 | | .as_bytes(), [INFO] [stdout] 339 | | ); // TODO: error handling [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] 331 | let _ = writer_buf.write_all( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:356:17 [INFO] [stdout] | [INFO] [stdout] 356 | / writer_buf.write_all( [INFO] [stdout] 357 | | format!( [INFO] [stdout] 358 | | "\n{:>width$} {} )\n", [INFO] [stdout] 359 | | "(", [INFO] [stdout] ... | [INFO] [stdout] 363 | | .as_bytes(), [INFO] [stdout] 364 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 356 | let _ = writer_buf.write_all( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | / writer_buf.write_all( [INFO] [stdout] 385 | | format!( [INFO] [stdout] 386 | | " {:>width$}{}\n", [INFO] [stdout] 387 | | "|", [INFO] [stdout] ... | [INFO] [stdout] 391 | | .as_bytes(), [INFO] [stdout] 392 | | ); [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] 384 | let _ = writer_buf.write_all( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:395:17 [INFO] [stdout] | [INFO] [stdout] 395 | / writer_buf.write_all( [INFO] [stdout] 396 | | format!( [INFO] [stdout] 397 | | " {: src/main.rs:418:25 [INFO] [stdout] | [INFO] [stdout] 418 | / writer_buf.write_all( [INFO] [stdout] 419 | | format!( [INFO] [stdout] 420 | | " {: src/main.rs:430:13 [INFO] [stdout] | [INFO] [stdout] 430 | writer_buf.write_all("\n".as_bytes()); [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] 430 | let _ = writer_buf.write_all("\n".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `askForAnswer` should have a snake case name [INFO] [stdout] --> src/main.rs:434:8 [INFO] [stdout] | [INFO] [stdout] 434 | fn askForAnswer(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `ask_for_answer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:437:13 [INFO] [stdout] | [INFO] [stdout] 437 | io::stdout().flush(); // TODO: error handling [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] 437 | let _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:445:13 [INFO] [stdout] | [INFO] [stdout] 445 | io::stdout().flush(); // TODO: error handling [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 _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mut_askExercise` should have a snake case name [INFO] [stdout] --> src/main.rs:1040:8 [INFO] [stdout] | [INFO] [stdout] 1040 | fn mut_askExercise(&mut self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `mut_ask_exercise` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:1046:13 [INFO] [stdout] | [INFO] [stdout] 1046 | io::stdout().flush(); // TODO: error handling [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] 1046 | let _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:1197:38 [INFO] [stdout] | [INFO] [stdout] 1197 | fn init_game_resources<'a>(cmd_args: &CommandArguments) -> (Game<'a>, Octave) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ ------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1197 | fn init_game_resources<'a>(cmd_args: &CommandArguments) -> (Game<'a>, Octave<'_>) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:1238:9 [INFO] [stdout] | [INFO] [stdout] 1238 | io::stdout().flush(); // TODO: error handling [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] 1238 | let _ = io::stdout().flush(); // TODO: error handling [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 11.05s [INFO] running `Command { std: "docker" "inspect" "087816fa8c5fe78c76cadc824a6cad14815db9f59b40ad07f390834cbc7e9630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "087816fa8c5fe78c76cadc824a6cad14815db9f59b40ad07f390834cbc7e9630", kill_on_drop: false }` [INFO] [stdout] 087816fa8c5fe78c76cadc824a6cad14815db9f59b40ad07f390834cbc7e9630