[INFO] fetching crate debate 0.1.0...
[INFO] checking debate-0.1.0 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate debate 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate debate 0.1.0
[INFO] finished tweaking crates.io crate debate 0.1.0
[INFO] tweaked toml for crates.io crate debate 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate debate 0.1.0 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate debate 0.1.0 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded joinery v3.1.0
[INFO] [stderr]   Downloaded debate-parser v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41123273b65119cf39d47b721be8a3179445d0d050e3031f84ce5f0da98da604
[INFO] running `Command { std: "docker" "start" "-a" "41123273b65119cf39d47b721be8a3179445d0d050e3031f84ce5f0da98da604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41123273b65119cf39d47b721be8a3179445d0d050e3031f84ce5f0da98da604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41123273b65119cf39d47b721be8a3179445d0d050e3031f84ce5f0da98da604", kill_on_drop: false }`
[INFO] [stdout] 41123273b65119cf39d47b721be8a3179445d0d050e3031f84ce5f0da98da604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae54b03be69021bea5d7788d3db811e21cf843b1c45293582dc5037f21a0d40
[INFO] running `Command { std: "docker" "start" "-a" "fae54b03be69021bea5d7788d3db811e21cf843b1c45293582dc5037f21a0d40", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking joinery v3.1.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking debate-parser v0.1.0
[INFO] [stderr]     Checking debate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/from_args.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 |             .unwrap_or_else(|err: errors::BuildError| todo!());
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/from_args.rs:69:44
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Self::build(state).unwrap_or_else(|err: errors::BuildError| todo!())
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/from_args.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 |             .unwrap_or_else(|err: errors::BuildError| todo!());
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/from_args.rs:69:44
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Self::build(state).unwrap_or_else(|err: errors::BuildError| todo!())
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tags`
[INFO] [stdout]   --> src/help.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         tags: Tags<'_>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_tags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argument`
[INFO] [stdout]   --> src/help.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         argument: Option<ValueParameter<'_>>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]   --> src/help.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         requirement: Requirement,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]   --> src/help.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         repetition: Repetition,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> src/help.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         description: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argument`
[INFO] [stdout]   --> src/help.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         argument: ValueParameter<'_>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]   --> src/help.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         requirement: Requirement,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]   --> src/help.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         repetition: Repetition,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> src/help.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         description: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/help.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         command: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> src/help.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         description: Option<&str>,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]   --> src/help.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         usage: UsageHelper<impl Usage>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/help.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn group(&mut self, name: &str, usage: UsageHelper<impl Usage>) -> Result<(), Self::Err> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]   --> src/help.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn group(&mut self, name: &str, usage: UsageHelper<impl Usage>) -> Result<(), Self::Err> {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]   --> src/help.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         requirement: Requirement,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tags`
[INFO] [stdout]   --> src/help.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         tags: Tags<'_>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_tags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]   --> src/help.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         usage: UsageHelper<impl Usage>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]    --> src/help.rs:101:35
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn anonymous_group(&mut self, usage: UsageHelper<impl Usage>) -> Result<(), Self::Err> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argument`
[INFO] [stdout]   --> src/help.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         argument: Option<ValueParameter<'_>>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]   --> src/help.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         requirement: Requirement,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]   --> src/help.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         repetition: Repetition,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> src/help.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         description: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argument`
[INFO] [stdout]   --> src/help.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         argument: ValueParameter<'_>,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]   --> src/help.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         requirement: Requirement,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]   --> src/help.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         repetition: Repetition,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> src/help.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         description: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/help.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         command: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> src/help.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         description: Option<&str>,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]   --> src/help.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         usage: UsageHelper<impl Usage>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/help.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn group(&mut self, name: &str, usage: UsageHelper<impl Usage>) -> Result<(), Self::Err> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]   --> src/help.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn group(&mut self, name: &str, usage: UsageHelper<impl Usage>) -> Result<(), Self::Err> {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]   --> src/help.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         requirement: Requirement,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]   --> src/help.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         usage: UsageHelper<impl Usage>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usage`
[INFO] [stdout]    --> src/help.rs:101:35
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn anonymous_group(&mut self, usage: UsageHelper<impl Usage>) -> Result<(), Self::Err> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_usage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]    --> src/printers.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         requirement: crate::help::Requirement,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]    --> src/printers.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         repetition: crate::help::Repetition,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]    --> src/printers.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |         requirement: crate::help::Requirement,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]    --> src/printers.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         repetition: crate::help::Repetition,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/printers.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |         description: Option<&str>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]    --> src/printers.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         requirement: crate::help::Requirement,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]    --> src/printers.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         repetition: crate::help::Repetition,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `requirement`
[INFO] [stdout]    --> src/printers.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |         requirement: crate::help::Requirement,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_requirement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repetition`
[INFO] [stdout]    --> src/printers.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         repetition: crate::help::Repetition,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_repetition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/printers.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |         description: Option<&str>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "fae54b03be69021bea5d7788d3db811e21cf843b1c45293582dc5037f21a0d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae54b03be69021bea5d7788d3db811e21cf843b1c45293582dc5037f21a0d40", kill_on_drop: false }`
[INFO] [stdout] fae54b03be69021bea5d7788d3db811e21cf843b1c45293582dc5037f21a0d40
