Dec 04 16:12:33.110 INFO checking justincampbell/url-shortener-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:12:33.110 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 16:12:33.561 INFO [stdout] 8ee11531b34dfbe8b28455b626c08664771b0f027557e69bc8b4812beaf940ec
Dec 04 16:12:33.564 INFO running `"docker" "start" "-a" "8ee11531b34dfbe8b28455b626c08664771b0f027557e69bc8b4812beaf940ec"`
Dec 04 16:12:34.843 INFO [stderr] usermod: no changes
Dec 04 16:12:34.900 INFO [stderr]     Checking shortener v0.0.1 (/source)
Dec 04 16:12:35.483 INFO [stderr] warning: type alias is never used: `Token`
Dec 04 16:12:35.483 INFO [stderr]  --> src/shortener.rs:3:1
Dec 04 16:12:35.483 INFO [stderr]   |
Dec 04 16:12:35.483 INFO [stderr] 3 | type Token = String;
Dec 04 16:12:35.483 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr]   |
Dec 04 16:12:35.483 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.483 INFO [stderr] warning: type alias is never used: `Url`
Dec 04 16:12:35.483 INFO [stderr]  --> src/shortener.rs:4:1
Dec 04 16:12:35.483 INFO [stderr]   |
Dec 04 16:12:35.483 INFO [stderr] 4 | type Url = String;
Dec 04 16:12:35.483 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.483 INFO [stderr] warning: struct is never constructed: `World`
Dec 04 16:12:35.483 INFO [stderr]  --> src/shortener.rs:6:1
Dec 04 16:12:35.483 INFO [stderr]   |
Dec 04 16:12:35.483 INFO [stderr] 6 | pub struct World {
Dec 04 16:12:35.483 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.483 INFO [stderr] warning: method is never used: `empty`
Dec 04 16:12:35.483 INFO [stderr]   --> src/shortener.rs:12:5
Dec 04 16:12:35.483 INFO [stderr]    |
Dec 04 16:12:35.483 INFO [stderr] 12 |     pub fn empty() -> World {
Dec 04 16:12:35.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.483 INFO [stderr] warning: method is never used: `shorten`
Dec 04 16:12:35.483 INFO [stderr]   --> src/shortener.rs:16:5
Dec 04 16:12:35.483 INFO [stderr]    |
Dec 04 16:12:35.483 INFO [stderr] 16 |     pub fn shorten(&mut self, url: &Url) -> Token {
Dec 04 16:12:35.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.483 INFO [stderr] warning: method is never used: `expand`
Dec 04 16:12:35.483 INFO [stderr]   --> src/shortener.rs:25:5
Dec 04 16:12:35.483 INFO [stderr]    |
Dec 04 16:12:35.483 INFO [stderr] 25 |     pub fn expand(&self, token: Token) -> Option<&Url> {
Dec 04 16:12:35.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.483 INFO [stderr] warning: method is never used: `tokenize`
Dec 04 16:12:35.483 INFO [stderr]   --> src/shortener.rs:29:5
Dec 04 16:12:35.483 INFO [stderr]    |
Dec 04 16:12:35.483 INFO [stderr] 29 |     fn tokenize(id: i32) -> String {
Dec 04 16:12:35.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:35.483 INFO [stderr] 
Dec 04 16:12:35.663 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 04 16:12:35.669 INFO [stderr] su: No module specific data is present
Dec 04 16:12:36.283 INFO running `"docker" "inspect" "8ee11531b34dfbe8b28455b626c08664771b0f027557e69bc8b4812beaf940ec"`
Dec 04 16:12:36.571 INFO running `"docker" "rm" "-f" "8ee11531b34dfbe8b28455b626c08664771b0f027557e69bc8b4812beaf940ec"`
Dec 04 16:12:36.895 INFO [stdout] 8ee11531b34dfbe8b28455b626c08664771b0f027557e69bc8b4812beaf940ec