feat: Fixed build

Author: mitsuhiko

integrations/sentry-actix/Cargo.toml

@@ -10,7 +10,6 @@ documentation = "https://docs.rs/sentry-actix"
 description = """
 Sentry client extension for actix-web
 """
-build = "build.rs"
 
 [dependencies]
 actix-web = "0.6.13"

integrations/sentry-actix/src/lib.rs

@@ -12,23 +12,23 @@
 //! extern crate actix_web;
 //! extern crate sentry;
 //! extern crate sentry_actix;
-//! 
+//!
 //! # fn main() {
 //! use std::env;
 //! use std::io;
-//! 
+//!
 //! use actix_web::{server, App, Error, HttpRequest};
 //! use sentry_actix::SentryMiddleware;
-//! 
+//!
 //! fn failing(_req: HttpRequest) -> Result<String, Error> {
 //!     Err(io::Error::new(io::ErrorKind::Other, "An error happens here").into())
 //! }
-//! 
+//!
 //! fn main() {
 //!     let _guard = sentry::init("https://public@sentry.io/1234");
 //!     env::set_var("RUST_BACKTRACE", "1");
 //!     sentry::integrations::panic::register_panic_handler();
-//! 
+//!
 //!     server::new(|| {
 //!         App::new()
 //!             .middleware(SentryMiddleware::new())