test: replace skeptic with rustdoc

Replace the skeptic tool for checking README code validity with direct
run of rustdoc. This elimates a bunch of dependencies while still
providing the desired tests.

Also clean the work area before building in CI. This avoids an error
where document check tools find previously compiled versions of crates
and error.

Signed-off-by: Nick Stevens <[email protected]>

Author: nastevens

.travis.yml

@@ -24,9 +24,10 @@ install:
   - cargo -V
 
 script:
-  - cargo check --verbose --no-default-features
-  - cargo check --all --verbose
+  - cargo clean
+  - cargo build --all --verbose
   - cargo test --all --verbose
+  - rustdoc -L target/debug/deps --test README.md
   - cargo doc --all --no-deps
 
 cache:

Cargo.toml

@@ -9,13 +9,6 @@ documentation = "https://docs.rs/fixedvec"
 readme = "README.md"
 keywords = ["buffer", "vector", "no_std", "core", "heapless"]
 license = "MIT"
-build = "build.rs"
-
-[build-dependencies]
-skeptic = "0.13"
-
-[dev-dependencies]
-skeptic = "0.13"
 
 [features]
 unstable = []

README.md

@@ -61,7 +61,7 @@ fn main() {
 License
 -------
 
-```
+```ignore
 Copyright (c) 2015-2016, Nick Stevens <[email protected]>
 
 The MIT License (MIT)