[INFO] fetching crate covid_cert_uvci 0.2.1...
[INFO] linting covid_cert_uvci-0.2.1 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate covid_cert_uvci 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate covid_cert_uvci 0.2.1
[INFO] finished tweaking crates.io crate covid_cert_uvci 0.2.1
[INFO] tweaked toml for crates.io crate covid_cert_uvci 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate covid_cert_uvci 0.2.1 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate covid_cert_uvci 0.2.1 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded luhn-rs v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff35d35909dcd95cd65d3c70fee9e225f4a792e77e472bfcc0a42fbc6ba7c2b
[INFO] running `Command { std: "docker" "start" "-a" "aff35d35909dcd95cd65d3c70fee9e225f4a792e77e472bfcc0a42fbc6ba7c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff35d35909dcd95cd65d3c70fee9e225f4a792e77e472bfcc0a42fbc6ba7c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff35d35909dcd95cd65d3c70fee9e225f4a792e77e472bfcc0a42fbc6ba7c2b", kill_on_drop: false }`
[INFO] [stdout] aff35d35909dcd95cd65d3c70fee9e225f4a792e77e472bfcc0a42fbc6ba7c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f690091d3549df9880343306b61307c685c69018a17f11779193927f1cdcd6
[INFO] running `Command { std: "docker" "start" "-a" "a6f690091d3549df9880343306b61307c685c69018a17f11779193927f1cdcd6", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking luhn-rs v0.0.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking covid_cert_uvci v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     return to_csv(parse(cert_id));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     return to_csv(parse(cert_id));
[INFO] [stdout] 76 +     to_csv(parse(cert_id))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     return output.to_string();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 107 -     return output.to_string();
[INFO] [stdout] 107 +     output.to_string()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     output.push_str(",");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     output.push_str(",");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     output.push_str(",");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     return cypher_output;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     return cypher_output;
[INFO] [stdout] 126 +     cypher_output
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     return to_graph(parse(cert_id));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     return to_graph(parse(cert_id));
[INFO] [stdout] 136 +     to_graph(parse(cert_id))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     return cypher_cmd;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 229 -     return cypher_cmd;
[INFO] [stdout] 229 +     cypher_cmd
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let var_month_name;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `var_month_name` here and remove the assignments from the `match` arms
[INFO] [stdout]     |
[INFO] [stdout] 184 ~     
[INFO] [stdout] 185 ~     let var_month_name = match uvci_data.opaque_vaccination_month {
[INFO] [stdout] 186 ~         1 => "Jan".to_string(),
[INFO] [stdout] 187 ~         2 => "Feb".to_string(),
[INFO] [stdout] 188 ~         3 => "Mar".to_string(),
[INFO] [stdout] 189 ~         4 => "Apr".to_string(),
[INFO] [stdout] 190 ~         5 => "May".to_string(),
[INFO] [stdout] 191 ~         6 => "Jun".to_string(),
[INFO] [stdout] 192 ~         7 => "Jul".to_string(),
[INFO] [stdout] 193 ~         8 => "Aug".to_string(),
[INFO] [stdout] 194 ~         9 => "Sep".to_string(),
[INFO] [stdout] 195 ~         10 => "Oct".to_string(),
[INFO] [stdout] 196 ~         11 => "Nov".to_string(),
[INFO] [stdout] 197 ~         12 => "Dec".to_string(),
[INFO] [stdout] 198 ~         _ => "Unknown".to_string(),
[INFO] [stdout] 199 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     var_date_data.push_str(" ");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `var_date_data.push(' ')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:396:5
[INFO] [stdout]     |
[INFO] [stdout] 396 |     return uvci_data;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 396 -     return uvci_data;
[INFO] [stdout] 396 +     uvci_data
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/lib.rs:381:5
[INFO] [stdout]     |
[INFO] [stdout] 381 | /     if (uvci_data.version == 1)
[INFO] [stdout] 382 | |         && (uvci_data.country == "SE")
[INFO] [stdout] 383 | |         && (uvci_data.issuing_entity == "EHM")
[INFO] [stdout] 384 | |         && (uvci_data.schema_option_number == 3)
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 384 ~         && (uvci_data.schema_option_number == 3)
[INFO] [stdout] 385 ~         && uvci_data.opaque_unique_string.len() == 13 {
[INFO] [stdout] 386 |             uvci_data.opaque_id = (&uvci_data.opaque_unique_string[0..9]).to_string();
[INFO] [stdout] ...
[INFO] [stdout] 391 |             uvci_data.opaque_vaccination_year = vaccination_date.1;
[INFO] [stdout] 392 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]    --> src/lib.rs:387:35
[INFO] [stdout]     |
[INFO] [stdout] 387 |             uvci_data.opaque_id = (&uvci_data.opaque_unique_string[0..9]).to_string();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `uvci_data.opaque_unique_string[0..9]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]    --> src/lib.rs:388:41
[INFO] [stdout]     |
[INFO] [stdout] 388 |             uvci_data.opaque_issuance = (&uvci_data.opaque_unique_string[9..13]).to_string();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `uvci_data.opaque_unique_string[9..13]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:447:5
[INFO] [stdout]     |
[INFO] [stdout] 447 |     return cert_id.to_uppercase();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 447 -     return cert_id.to_uppercase();
[INFO] [stdout] 447 +     cert_id.to_uppercase()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:458:8
[INFO] [stdout]     |
[INFO] [stdout] 458 |     if !opaque_id.parse::<f32>().is_ok() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `opaque_id.parse::<f32>().is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:497:5
[INFO] [stdout]     |
[INFO] [stdout] 497 |     return (vaccination_month as u8, vaccination_year as u16);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 497 -     return (vaccination_month as u8, vaccination_year as u16);
[INFO] [stdout] 497 +     (vaccination_month as u8, vaccination_year as u16)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let vaccination_year;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `vaccination_year` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 481 ~     
[INFO] [stdout] 482 ~     let vaccination_year = if vaccination_month == 0 {
[INFO] [stdout] 483 ~         2020
[INFO] [stdout] 484 |     } else {
[INFO] [stdout] 485 ~         ((vaccination_month - 1) / 12) + 2021
[INFO] [stdout] 486 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 |         vaccination_month = vaccination_month - 12;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `vaccination_month -= 12`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u16` -> `u16`)
[INFO] [stdout]    --> src/lib.rs:497:38
[INFO] [stdout]     |
[INFO] [stdout] 497 |     return (vaccination_month as u8, vaccination_year as u16);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vaccination_year`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     return to_csv(parse(cert_id));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     return to_csv(parse(cert_id));
[INFO] [stdout] 76 +     to_csv(parse(cert_id))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     return output.to_string();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 107 -     return output.to_string();
[INFO] [stdout] 107 +     output.to_string()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     output.push_str(",");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     output.push_str(",");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     output.push_str(",");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     output.push_str(",");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `output.push(',')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     return cypher_output;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     return cypher_output;
[INFO] [stdout] 126 +     cypher_output
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     return to_graph(parse(cert_id));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     return to_graph(parse(cert_id));
[INFO] [stdout] 136 +     to_graph(parse(cert_id))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     return cypher_cmd;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 229 -     return cypher_cmd;
[INFO] [stdout] 229 +     cypher_cmd
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let var_month_name;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `var_month_name` here and remove the assignments from the `match` arms
[INFO] [stdout]     |
[INFO] [stdout] 184 ~     
[INFO] [stdout] 185 ~     let var_month_name = match uvci_data.opaque_vaccination_month {
[INFO] [stdout] 186 ~         1 => "Jan".to_string(),
[INFO] [stdout] 187 ~         2 => "Feb".to_string(),
[INFO] [stdout] 188 ~         3 => "Mar".to_string(),
[INFO] [stdout] 189 ~         4 => "Apr".to_string(),
[INFO] [stdout] 190 ~         5 => "May".to_string(),
[INFO] [stdout] 191 ~         6 => "Jun".to_string(),
[INFO] [stdout] 192 ~         7 => "Jul".to_string(),
[INFO] [stdout] 193 ~         8 => "Aug".to_string(),
[INFO] [stdout] 194 ~         9 => "Sep".to_string(),
[INFO] [stdout] 195 ~         10 => "Oct".to_string(),
[INFO] [stdout] 196 ~         11 => "Nov".to_string(),
[INFO] [stdout] 197 ~         12 => "Dec".to_string(),
[INFO] [stdout] 198 ~         _ => "Unknown".to_string(),
[INFO] [stdout] 199 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     var_date_data.push_str(" ");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `var_date_data.push(' ')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:396:5
[INFO] [stdout]     |
[INFO] [stdout] 396 |     return uvci_data;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 396 -     return uvci_data;
[INFO] [stdout] 396 +     uvci_data
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/lib.rs:381:5
[INFO] [stdout]     |
[INFO] [stdout] 381 | /     if (uvci_data.version == 1)
[INFO] [stdout] 382 | |         && (uvci_data.country == "SE")
[INFO] [stdout] 383 | |         && (uvci_data.issuing_entity == "EHM")
[INFO] [stdout] 384 | |         && (uvci_data.schema_option_number == 3)
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 384 ~         && (uvci_data.schema_option_number == 3)
[INFO] [stdout] 385 ~         && uvci_data.opaque_unique_string.len() == 13 {
[INFO] [stdout] 386 |             uvci_data.opaque_id = (&uvci_data.opaque_unique_string[0..9]).to_string();
[INFO] [stdout] ...
[INFO] [stdout] 391 |             uvci_data.opaque_vaccination_year = vaccination_date.1;
[INFO] [stdout] 392 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]    --> src/lib.rs:387:35
[INFO] [stdout]     |
[INFO] [stdout] 387 |             uvci_data.opaque_id = (&uvci_data.opaque_unique_string[0..9]).to_string();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `uvci_data.opaque_unique_string[0..9]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]    --> src/lib.rs:388:41
[INFO] [stdout]     |
[INFO] [stdout] 388 |             uvci_data.opaque_issuance = (&uvci_data.opaque_unique_string[9..13]).to_string();
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `uvci_data.opaque_unique_string[9..13]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:447:5
[INFO] [stdout]     |
[INFO] [stdout] 447 |     return cert_id.to_uppercase();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 447 -     return cert_id.to_uppercase();
[INFO] [stdout] 447 +     cert_id.to_uppercase()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:458:8
[INFO] [stdout]     |
[INFO] [stdout] 458 |     if !opaque_id.parse::<f32>().is_ok() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `opaque_id.parse::<f32>().is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:497:5
[INFO] [stdout]     |
[INFO] [stdout] 497 |     return (vaccination_month as u8, vaccination_year as u16);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 497 -     return (vaccination_month as u8, vaccination_year as u16);
[INFO] [stdout] 497 +     (vaccination_month as u8, vaccination_year as u16)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let vaccination_year;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `vaccination_year` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 481 ~     
[INFO] [stdout] 482 ~     let vaccination_year = if vaccination_month == 0 {
[INFO] [stdout] 483 ~         2020
[INFO] [stdout] 484 |     } else {
[INFO] [stdout] 485 ~         ((vaccination_month - 1) / 12) + 2021
[INFO] [stdout] 486 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/lib.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 |         vaccination_month = vaccination_month - 12;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `vaccination_month -= 12`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u16` -> `u16`)
[INFO] [stdout]    --> src/lib.rs:497:38
[INFO] [stdout]     |
[INFO] [stdout] 497 |     return (vaccination_month as u8, vaccination_year as u16);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vaccination_year`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         print!("USAGE:\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 21 -         print!("USAGE:\n");
[INFO] [stdout] 21 +         println!("USAGE:");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/main.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut file = match File::create(&path) {
[INFO] [stdout]    |                                       ^^^^^ help: change this to: `path`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         print!("USAGE:\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 21 -         print!("USAGE:\n");
[INFO] [stdout] 21 +         println!("USAGE:");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/main.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut file = match File::create(&path) {
[INFO] [stdout]    |                                       ^^^^^ help: change this to: `path`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "a6f690091d3549df9880343306b61307c685c69018a17f11779193927f1cdcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f690091d3549df9880343306b61307c685c69018a17f11779193927f1cdcd6", kill_on_drop: false }`
[INFO] [stdout] a6f690091d3549df9880343306b61307c685c69018a17f11779193927f1cdcd6