Dec 12 03:03:30.248 INFO checking ElectricCoffee/city_generator against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:03:30.248 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 03:03:30.404 INFO [stdout] adf129882329e32d7b34865488df98d93472b5174fe6293ae65043f982294f62
Dec 12 03:03:30.407 INFO running `"docker" "start" "-a" "adf129882329e32d7b34865488df98d93472b5174fe6293ae65043f982294f62"`
Dec 12 03:03:30.740 INFO [stderr] usermod: no changes
Dec 12 03:03:30.873 INFO [stderr]    Compiling serde v1.0.60
Dec 12 03:03:30.873 INFO [stderr]    Compiling serde_derive v1.0.60
Dec 12 03:03:48.208 INFO [stderr]     Checking serde_json v1.0.17
Dec 12 03:03:50.641 INFO [stderr]     Checking city_generator v0.1.0 (/source)
Dec 12 03:03:52.924 INFO [stderr] warning: method is never used: `generate_random`
Dec 12 03:03:52.924 INFO [stderr]   --> src/data.rs:39:5
Dec 12 03:03:52.924 INFO [stderr]    |
Dec 12 03:03:52.924 INFO [stderr] 39 |     pub fn generate_random(&self) -> Result<String> {
Dec 12 03:03:52.924 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:03:52.924 INFO [stderr]    |
Dec 12 03:03:52.924 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:03:52.924 INFO [stderr] 
Dec 12 03:03:53.148 INFO [stderr] warning: method is never used: `generate_random`
Dec 12 03:03:53.148 INFO [stderr]   --> src/data.rs:39:5
Dec 12 03:03:53.148 INFO [stderr]    |
Dec 12 03:03:53.148 INFO [stderr] 39 |     pub fn generate_random(&self) -> Result<String> {
Dec 12 03:03:53.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:03:53.148 INFO [stderr]    |
Dec 12 03:03:53.148 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:03:53.148 INFO [stderr] 
Dec 12 03:03:53.196 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.42s
Dec 12 03:03:53.209 INFO [stderr] su: No module specific data is present
Dec 12 03:03:54.432 INFO running `"docker" "inspect" "adf129882329e32d7b34865488df98d93472b5174fe6293ae65043f982294f62"`
Dec 12 03:03:54.748 INFO running `"docker" "rm" "-f" "adf129882329e32d7b34865488df98d93472b5174fe6293ae65043f982294f62"`
Dec 12 03:03:55.058 INFO [stdout] adf129882329e32d7b34865488df98d93472b5174fe6293ae65043f982294f62