Aug 17 01:56:56.126 INFO checking justincampbell/url-shortener-rust against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 01:56:56.126 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 01:56:56.126 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 01:56:56.126 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 01:56:56.375 INFO blam! 7d7abe792575b206508303c379a954028af8356a506d0639ca3f165161241387
Aug 17 01:56:56.377 INFO running `"docker" "start" "-a" "7d7abe792575b206508303c379a954028af8356a506d0639ca3f165161241387"`
Aug 17 01:56:57.178 INFO kablam!     Checking shortener v0.0.1 (file:///source)
Aug 17 01:56:57.705 INFO kablam! warning: type alias is never used: `Token`
Aug 17 01:56:57.705 INFO kablam!  --> src/shortener.rs:3:1
Aug 17 01:56:57.705 INFO kablam!   |
Aug 17 01:56:57.705 INFO kablam! 3 | type Token = String;
Aug 17 01:56:57.705 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 17 01:56:57.705 INFO kablam!   |
Aug 17 01:56:57.705 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 17 01:56:57.705 INFO kablam! 
Aug 17 01:56:57.705 INFO kablam! warning: type alias is never used: `Url`
Aug 17 01:56:57.705 INFO kablam!  --> src/shortener.rs:4:1
Aug 17 01:56:57.705 INFO kablam!   |
Aug 17 01:56:57.705 INFO kablam! 4 | type Url = String;
Aug 17 01:56:57.705 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 17 01:56:57.714 INFO kablam! 
Aug 17 01:56:57.715 INFO kablam! warning: struct is never constructed: `World`
Aug 17 01:56:57.715 INFO kablam!  --> src/shortener.rs:6:1
Aug 17 01:56:57.715 INFO kablam!   |
Aug 17 01:56:57.715 INFO kablam! 6 | pub struct World {
Aug 17 01:56:57.715 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 17 01:56:57.715 INFO kablam! 
Aug 17 01:56:57.715 INFO kablam! warning: method is never used: `empty`
Aug 17 01:56:57.715 INFO kablam!   --> src/shortener.rs:12:5
Aug 17 01:56:57.715 INFO kablam!    |
Aug 17 01:56:57.715 INFO kablam! 12 |     pub fn empty() -> World {
Aug 17 01:56:57.715 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 01:56:57.715 INFO kablam! 
Aug 17 01:56:57.715 INFO kablam! warning: method is never used: `shorten`
Aug 17 01:56:57.716 INFO kablam!   --> src/shortener.rs:16:5
Aug 17 01:56:57.716 INFO kablam!    |
Aug 17 01:56:57.716 INFO kablam! 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
Aug 17 01:56:57.716 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 01:56:57.716 INFO kablam! 
Aug 17 01:56:57.716 INFO kablam! warning: method is never used: `expand`
Aug 17 01:56:57.716 INFO kablam!   --> src/shortener.rs:25:5
Aug 17 01:56:57.716 INFO kablam!    |
Aug 17 01:56:57.716 INFO kablam! 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
Aug 17 01:56:57.716 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 01:56:57.716 INFO kablam! 
Aug 17 01:56:57.716 INFO kablam! warning: method is never used: `tokenize`
Aug 17 01:56:57.716 INFO kablam!   --> src/shortener.rs:29:5
Aug 17 01:56:57.716 INFO kablam!    |
Aug 17 01:56:57.716 INFO kablam! 29 |     fn tokenize(id: i32) -> String {
Aug 17 01:56:57.716 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 01:56:57.716 INFO kablam! 
Aug 17 01:56:57.928 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Aug 17 01:56:57.943 INFO kablam! su: No module specific data is present
Aug 17 01:56:58.446 INFO running `"docker" "rm" "-f" "7d7abe792575b206508303c379a954028af8356a506d0639ca3f165161241387"`
Aug 17 01:56:58.614 INFO blam! 7d7abe792575b206508303c379a954028af8356a506d0639ca3f165161241387