build: correct linting errors

Author: brianheineman

postgresql_commands/README.md

@@ -12,24 +12,25 @@ A library for executing PostgreSQL command line utilities.
 ## Examples
 
 ```rust
+use postgresql_commands::Result;
 use postgresql_commands::psql::PsqlBuilder;
 
-let psql = PsqlBuilder::new()
-.command("CREATE DATABASE \"test\"")
-.host("127.0.0.1")
-.port(5432)
-.username("postgresql")
-.pg_password("password")
-.build();
-
-let (stdout, stderr) = psql.execute(10).await?;
+fn main() -> Result<()> {
+    let psql = PsqlBuilder::new()
+        .command("CREATE DATABASE \"test\"")
+        .host("127.0.0.1")
+        .port(5432)
+        .username("postgresql")
+        .pg_password("password")
+        .build();
+
+    let (stdout, stderr) = psql.execute()?;
+    Ok(())
+}
 ```
 
 ## Feature flags
 
-postgresql_commands uses [feature flags] to address compile time and binary size
-uses.
-
 The following features are available:
 
 | Name    | Description                       | Default? |

postgresql_embedded/src/postgresql.rs

@@ -7,7 +7,11 @@ use postgresql_commands::initdb::InitDbBuilder;
 use postgresql_commands::pg_ctl::Mode::{Start, Stop};
 use postgresql_commands::pg_ctl::PgCtlBuilder;
 use postgresql_commands::pg_ctl::ShutdownMode::Fast;
-use postgresql_commands::{AsyncCommandExecutor, CommandBuilder, CommandExecutor};
+#[cfg(feature = "tokio")]
+use postgresql_commands::AsyncCommandExecutor;
+use postgresql_commands::CommandBuilder;
+#[cfg(not(feature = "tokio"))]
+use postgresql_commands::CommandExecutor;
 use std::fs::{remove_dir_all, remove_file};
 use std::io::prelude::*;
 use std::net::TcpListener;

postgresql_embedded/src/settings.rs

@@ -160,7 +160,7 @@ impl Settings {
 /// Implement the [`Settings`] trait for [`Settings`]
 impl postgresql_commands::Settings for Settings {
     fn get_binary_dir(&self) -> PathBuf {
-        self.get_binary_dir().clone()
+        self.binary_dir().clone()
     }
 
     fn get_host(&self) -> OsString {