Nov 02 12:17:31.565 INFO checking justincampbell/url-shortener-rust against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 12:17:31.567 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 02 12:17:31.933 INFO blam! 68edd5d8e1f099039f6e62ae1c13fd445950cb30adc803e700550d54aff25589
Nov 02 12:17:31.938 INFO running `"docker" "start" "-a" "68edd5d8e1f099039f6e62ae1c13fd445950cb30adc803e700550d54aff25589"`
Nov 02 12:17:33.165 INFO kablam! usermod: no changes
Nov 02 12:17:33.236 INFO kablam!     Checking shortener v0.0.1 (/source)
Nov 02 12:17:33.712 INFO kablam! warning: type alias is never used: `Token`
Nov 02 12:17:33.712 INFO kablam!  --> src/shortener.rs:3:1
Nov 02 12:17:33.712 INFO kablam!   |
Nov 02 12:17:33.712 INFO kablam! 3 | type Token = String;
Nov 02 12:17:33.712 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 02 12:17:33.712 INFO kablam!   |
Nov 02 12:17:33.712 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 12:17:33.712 INFO kablam! 
Nov 02 12:17:33.712 INFO kablam! warning: type alias is never used: `Url`
Nov 02 12:17:33.712 INFO kablam!  --> src/shortener.rs:4:1
Nov 02 12:17:33.712 INFO kablam!   |
Nov 02 12:17:33.712 INFO kablam! 4 | type Url = String;
Nov 02 12:17:33.712 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 02 12:17:33.713 INFO kablam! 
Nov 02 12:17:33.713 INFO kablam! warning: struct is never constructed: `World`
Nov 02 12:17:33.713 INFO kablam!  --> src/shortener.rs:6:1
Nov 02 12:17:33.713 INFO kablam!   |
Nov 02 12:17:33.713 INFO kablam! 6 | pub struct World {
Nov 02 12:17:33.713 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 02 12:17:33.713 INFO kablam! 
Nov 02 12:17:33.713 INFO kablam! warning: method is never used: `empty`
Nov 02 12:17:33.713 INFO kablam!   --> src/shortener.rs:12:5
Nov 02 12:17:33.713 INFO kablam!    |
Nov 02 12:17:33.713 INFO kablam! 12 |     pub fn empty() -> World {
Nov 02 12:17:33.713 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:17:33.713 INFO kablam! 
Nov 02 12:17:33.713 INFO kablam! warning: method is never used: `shorten`
Nov 02 12:17:33.713 INFO kablam!   --> src/shortener.rs:16:5
Nov 02 12:17:33.713 INFO kablam!    |
Nov 02 12:17:33.713 INFO kablam! 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
Nov 02 12:17:33.713 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:17:33.713 INFO kablam! 
Nov 02 12:17:33.713 INFO kablam! warning: method is never used: `expand`
Nov 02 12:17:33.713 INFO kablam!   --> src/shortener.rs:25:5
Nov 02 12:17:33.713 INFO kablam!    |
Nov 02 12:17:33.713 INFO kablam! 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
Nov 02 12:17:33.713 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:17:33.713 INFO kablam! 
Nov 02 12:17:33.713 INFO kablam! warning: method is never used: `tokenize`
Nov 02 12:17:33.713 INFO kablam!   --> src/shortener.rs:29:5
Nov 02 12:17:33.713 INFO kablam!    |
Nov 02 12:17:33.713 INFO kablam! 29 |     fn tokenize(id: i32) -> String {
Nov 02 12:17:33.713 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:17:33.713 INFO kablam! 
Nov 02 12:17:33.904 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 02 12:17:33.904 INFO kablam! su: No module specific data is present
Nov 02 12:17:34.328 INFO running `"docker" "rm" "-f" "68edd5d8e1f099039f6e62ae1c13fd445950cb30adc803e700550d54aff25589"`
Nov 02 12:17:34.582 INFO blam! 68edd5d8e1f099039f6e62ae1c13fd445950cb30adc803e700550d54aff25589