Nov 30 00:28:48.389 INFO checking justincampbell/url-shortener-rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:28:48.389 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 00:28:48.760 INFO [stdout] 034129432a50d08b1a437d90c93c8e6d717ce45e1b96889ae6b158f303bd8cb2
Nov 30 00:28:48.760 INFO running `"docker" "start" "-a" "034129432a50d08b1a437d90c93c8e6d717ce45e1b96889ae6b158f303bd8cb2"`
Nov 30 00:28:49.801 INFO [stderr] usermod: no changes
Nov 30 00:28:49.860 INFO [stderr]     Checking shortener v0.0.1 (/source)
Nov 30 00:28:50.248 INFO [stderr] warning: type alias is never used: `Token`
Nov 30 00:28:50.248 INFO [stderr]  --> src/shortener.rs:3:1
Nov 30 00:28:50.248 INFO [stderr]   |
Nov 30 00:28:50.248 INFO [stderr] 3 | type Token = String;
Nov 30 00:28:50.248 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:50.248 INFO [stderr]   |
Nov 30 00:28:50.249 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.249 INFO [stderr] warning: type alias is never used: `Url`
Nov 30 00:28:50.249 INFO [stderr]  --> src/shortener.rs:4:1
Nov 30 00:28:50.249 INFO [stderr]   |
Nov 30 00:28:50.249 INFO [stderr] 4 | type Url = String;
Nov 30 00:28:50.249 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.249 INFO [stderr] warning: struct is never constructed: `World`
Nov 30 00:28:50.249 INFO [stderr]  --> src/shortener.rs:6:1
Nov 30 00:28:50.249 INFO [stderr]   |
Nov 30 00:28:50.249 INFO [stderr] 6 | pub struct World {
Nov 30 00:28:50.249 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.249 INFO [stderr] warning: method is never used: `empty`
Nov 30 00:28:50.249 INFO [stderr]   --> src/shortener.rs:12:5
Nov 30 00:28:50.249 INFO [stderr]    |
Nov 30 00:28:50.249 INFO [stderr] 12 |     pub fn empty() -> World {
Nov 30 00:28:50.249 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.249 INFO [stderr] warning: method is never used: `shorten`
Nov 30 00:28:50.249 INFO [stderr]   --> src/shortener.rs:16:5
Nov 30 00:28:50.249 INFO [stderr]    |
Nov 30 00:28:50.249 INFO [stderr] 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
Nov 30 00:28:50.249 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.249 INFO [stderr] warning: method is never used: `expand`
Nov 30 00:28:50.249 INFO [stderr]   --> src/shortener.rs:25:5
Nov 30 00:28:50.249 INFO [stderr]    |
Nov 30 00:28:50.249 INFO [stderr] 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
Nov 30 00:28:50.249 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.249 INFO [stderr] warning: method is never used: `tokenize`
Nov 30 00:28:50.249 INFO [stderr]   --> src/shortener.rs:29:5
Nov 30 00:28:50.249 INFO [stderr]    |
Nov 30 00:28:50.249 INFO [stderr] 29 |     fn tokenize(id: i32) -> String {
Nov 30 00:28:50.249 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:50.249 INFO [stderr] 
Nov 30 00:28:50.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Nov 30 00:28:50.416 INFO [stderr] su: No module specific data is present
Nov 30 00:28:51.088 INFO running `"docker" "inspect" "034129432a50d08b1a437d90c93c8e6d717ce45e1b96889ae6b158f303bd8cb2"`
Nov 30 00:28:51.406 INFO running `"docker" "rm" "-f" "034129432a50d08b1a437d90c93c8e6d717ce45e1b96889ae6b158f303bd8cb2"`
Nov 30 00:28:51.708 INFO [stdout] 034129432a50d08b1a437d90c93c8e6d717ce45e1b96889ae6b158f303bd8cb2