Update to 2018 edition and prune dependencies

.travis.yml

@@ -2,19 +2,19 @@ language: rust
 rust:
   - stable
   - beta
-  - 1.25.0
+  - 1.36.0
 script: |
   cargo build --verbose &&
   cargo test  --verbose --all
 matrix: # additional tests
   include:
   - rust: nightly
     script: cargo test --all --features nightly
-  - rust: 1.29.1
+  - rust: 1.36.0
     env: CLIPPY=YESPLEASE
     before_script: rustup component add clippy-preview
     script: cargo clippy --all -- -D warnings
-  - rust: 1.29.1
+  - rust: 1.36.0
     env: RUSTFMT=YESPLEASE
     before_script: rustup component add rustfmt-preview
     script: cargo fmt --all -- --check

Cargo.toml

@@ -10,18 +10,17 @@ authors = ["Yoshua Wuyts <yoshuawuyts@gmail.com>",
            "Pascal Hertleif <killercup@gmail.com>",
            "Katharina Fey <kookie@spacekookie.de>"]
 readme = "README.md"
+edition = "2018"
 
 [package.metadata.docs.rs]
 features = ["nightly"]
 
 [dependencies]
 termcolor = "1.0.4"
-tempdir = "0.3.7"
-uuid = { version = "0.7.1", features = ["v4"] }
+uuid = { version = "0.7.1", features = ["v4"], default-features = false }
 serde_derive = "1.0.79"
 toml = "0.4.7"
 serde = "1.0.79"
-failure = { version = "0.1.2", default-features = false, features = ["std"] }
 os_type = "2.2.0"
 backtrace = "0.3.9"
 

README.md

@@ -92,8 +92,7 @@ stack backtrace:
 ## Usage
 
 ```rust no_run
-#[macro_use]
-extern crate human_panic;
+use human_panic::setup_panic;
 
 fn main() {
    setup_panic!();

src/lib.rs

@@ -45,13 +45,6 @@
 #![cfg_attr(feature = "nightly", feature(external_doc))]
 #![cfg_attr(feature = "nightly", feature(panic_info_message))]
 
-extern crate backtrace;
-#[macro_use]
-extern crate failure;
-#[macro_use]
-extern crate serde_derive;
-extern crate termcolor;
-
 pub mod report;
 use report::{Method, Report};
 
@@ -84,9 +77,8 @@ pub struct Metadata {
 /// The Metadata struct can't implement `Default` because of orphan rules, which
 /// means you need to provide all fields for initialisation.
 ///
-/// ```ignore
-/// #[macro_use]
-/// extern crate human_panic;
+/// ```
+/// use human_panic::setup_panic;
 ///
 /// setup_panic!(Metadata {
 ///     name: env!("CARGO_PKG_NAME").into(),

src/report.rs

@@ -3,20 +3,14 @@
 //! A `Report` contains the metadata collected about the event
 //! to construct a helpful error message.
 
-extern crate failure;
-extern crate os_type;
-extern crate serde;
-extern crate tempdir;
-extern crate toml;
-extern crate uuid;
-
-use self::failure::Error;
-use self::uuid::Uuid;
 use backtrace::Backtrace;
+use serde_derive::Serialize;
 use std::borrow::Cow;
+use std::error::Error;
 use std::fmt::Write as FmtWrite;
 use std::mem;
 use std::{env, fs::File, io::Write, path::Path, path::PathBuf};
+use uuid::Uuid;
 
 /// Method of failure.
 #[derive(Debug, Serialize, Clone, Copy)]
@@ -135,15 +129,11 @@ impl Report {
   }
 
   /// Write a file to disk.
-  pub fn persist(&self) -> Result<PathBuf, Error> {
+  pub fn persist(&self) -> Result<PathBuf, Box<dyn Error + 'static>> {
     let uuid = Uuid::new_v4().to_hyphenated().to_string();
     let tmp_dir = env::temp_dir();
-    let tmp_dir = match tmp_dir.to_str() {
-      Some(dir) => dir,
-      None => bail!("Could not create a tmp directory for a report."),
-    };
     let file_name = format!("report-{}.toml", &uuid);
-    let file_path = Path::new(tmp_dir).join(file_name);
+    let file_path = Path::new(&tmp_dir).join(file_name);
     let mut file = File::create(&file_path)?;
     let toml = self.serialize().unwrap();
     file.write_all(toml.as_bytes())?;

tests/custom-panic/Cargo.toml

@@ -2,9 +2,10 @@
 name = "custom-panic-test"
 version = "0.1.0"
 authors = ["Human Panic Authors <human-panic-crate@example.com>"]
+edition = "2018"
 
 [dependencies]
 human-panic = { path = "../.." }
 
 [dev-dependencies]
-assert_cli = "0.5.4"
+assert_cli = "0.6.3"

tests/custom-panic/src/main.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate human_panic;
+use human_panic::setup_panic;
 
 fn main() {
   setup_panic!(Metadata {

tests/custom-panic/tests/integration.rs

@@ -1,4 +1,4 @@
-extern crate assert_cli;
+use assert_cli;
 
 #[test]
 fn release() {

tests/single-panic/Cargo.toml

@@ -2,9 +2,10 @@
 name = "single-panic-test"
 version = "0.1.0"
 authors = ["Human Panic Authors <human-panic-crate@example.com>"]
+edition = "2018"
 
 [dependencies]
 human-panic = { path = "../.." }
 
 [dev-dependencies]
-assert_cli = "0.5.4"
+assert_cli = "0.6.3"

tests/single-panic/src/main.rs

@@ -1,5 +1,4 @@
-#[macro_use]
-extern crate human_panic;
+use human_panic::setup_panic;
 
 fn main() {
   setup_panic!();

tests/single-panic/tests/integration.rs

@@ -1,4 +1,4 @@
-extern crate assert_cli;
+use assert_cli;
 
 #[test]
 fn release() {