Aug 01 16:17:00.041 INFO checking justincampbell/url-shortener-rust against 1.27.2+tmplazy for lazy_static-1
Aug 01 16:17:00.041 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:17:00.041 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:17:00.041 INFO running `"docker" "create" "-v" "/tmp/crater.rNgYcUgZfU8c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 16:17:00.263 INFO blam! e0803df814b7c19af301fac5724dd3e0bb1a54a179c4619ddcb729b50a340db4
Aug 01 16:17:00.265 INFO running `"docker" "start" "-a" "e0803df814b7c19af301fac5724dd3e0bb1a54a179c4619ddcb729b50a340db4"`
Aug 01 16:17:01.309 INFO kablam!     Checking shortener v0.0.1 (file:///source)
Aug 01 16:17:01.866 INFO kablam! warning: type alias is never used: `Token`
Aug 01 16:17:01.866 INFO kablam!  --> src/shortener.rs:3:1
Aug 01 16:17:01.866 INFO kablam!   |
Aug 01 16:17:01.866 INFO kablam! 3 | type Token = String;
Aug 01 16:17:01.866 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 16:17:01.867 INFO kablam!   |
Aug 01 16:17:01.867 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 01 16:17:01.867 INFO kablam! 
Aug 01 16:17:01.867 INFO kablam! warning: type alias is never used: `Url`
Aug 01 16:17:01.867 INFO kablam!  --> src/shortener.rs:4:1
Aug 01 16:17:01.867 INFO kablam!   |
Aug 01 16:17:01.867 INFO kablam! 4 | type Url = String;
Aug 01 16:17:01.867 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 01 16:17:01.867 INFO kablam! 
Aug 01 16:17:01.867 INFO kablam! warning: struct is never used: `World`
Aug 01 16:17:01.867 INFO kablam!  --> src/shortener.rs:6:1
Aug 01 16:17:01.867 INFO kablam!   |
Aug 01 16:17:01.867 INFO kablam! 6 | pub struct World {
Aug 01 16:17:01.867 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 01 16:17:01.867 INFO kablam! 
Aug 01 16:17:01.867 INFO kablam! warning: method is never used: `empty`
Aug 01 16:17:01.867 INFO kablam!   --> src/shortener.rs:12:5
Aug 01 16:17:01.867 INFO kablam!    |
Aug 01 16:17:01.868 INFO kablam! 12 |     pub fn empty() -> World {
Aug 01 16:17:01.868 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:17:01.868 INFO kablam! 
Aug 01 16:17:01.868 INFO kablam! warning: method is never used: `shorten`
Aug 01 16:17:01.868 INFO kablam!   --> src/shortener.rs:16:5
Aug 01 16:17:01.868 INFO kablam!    |
Aug 01 16:17:01.868 INFO kablam! 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
Aug 01 16:17:01.868 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:17:01.868 INFO kablam! 
Aug 01 16:17:01.868 INFO kablam! warning: method is never used: `expand`
Aug 01 16:17:01.868 INFO kablam!   --> src/shortener.rs:25:5
Aug 01 16:17:01.868 INFO kablam!    |
Aug 01 16:17:01.868 INFO kablam! 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
Aug 01 16:17:01.868 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:17:01.868 INFO kablam! 
Aug 01 16:17:01.868 INFO kablam! warning: method is never used: `tokenize`
Aug 01 16:17:01.868 INFO kablam!   --> src/shortener.rs:29:5
Aug 01 16:17:01.869 INFO kablam!    |
Aug 01 16:17:01.869 INFO kablam! 29 |     fn tokenize(id: i32) -> String {
Aug 01 16:17:01.869 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:17:01.869 INFO kablam! 
Aug 01 16:17:01.887 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Aug 01 16:17:01.889 INFO kablam! su: No module specific data is present
Aug 01 16:17:02.416 INFO running `"docker" "rm" "-f" "e0803df814b7c19af301fac5724dd3e0bb1a54a179c4619ddcb729b50a340db4"`
Aug 01 16:17:02.596 INFO blam! e0803df814b7c19af301fac5724dd3e0bb1a54a179c4619ddcb729b50a340db4