Nov 29 18:14:14.268 INFO checking sikinmettugi/wordfreq-rs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:14:14.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 29 18:14:14.767 INFO [stdout] bc9b7cf5ab4d9639c295d6a6f19b763dee8f9e0c999c69e76ea0a87ba85e072f
Nov 29 18:14:14.772 INFO running `"docker" "start" "-a" "bc9b7cf5ab4d9639c295d6a6f19b763dee8f9e0c999c69e76ea0a87ba85e072f"`
Nov 29 18:14:16.488 INFO [stderr] usermod: no changes
Nov 29 18:14:16.554 INFO [stderr]     Checking wordfreq-rs v0.1.0 (/source)
Nov 29 18:14:16.932 INFO [stderr] warning: struct is never constructed: `WordCount`
Nov 29 18:14:16.932 INFO [stderr]   --> src/main.rs:13:1
Nov 29 18:14:16.932 INFO [stderr]    |
Nov 29 18:14:16.932 INFO [stderr] 13 | struct WordCount {
Nov 29 18:14:16.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 29 18:14:16.932 INFO [stderr]    |
Nov 29 18:14:16.932 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 18:14:16.932 INFO [stderr] 
Nov 29 18:14:16.932 INFO [stderr] warning: method is never used: `get_count`
Nov 29 18:14:16.932 INFO [stderr]   --> src/main.rs:19:5
Nov 29 18:14:16.932 INFO [stderr]    |
Nov 29 18:14:16.932 INFO [stderr] 19 |     fn get_count(&self) -> u32 {
Nov 29 18:14:16.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:14:16.932 INFO [stderr] 
Nov 29 18:14:16.932 INFO [stderr] warning: method is never used: `increment`
Nov 29 18:14:16.932 INFO [stderr]   --> src/main.rs:23:5
Nov 29 18:14:16.932 INFO [stderr]    |
Nov 29 18:14:16.932 INFO [stderr] 23 |     fn increment(&mut self) {
Nov 29 18:14:16.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:14:16.932 INFO [stderr] 
Nov 29 18:14:17.131 INFO [stderr] warning: struct is never constructed: `WordCount`
Nov 29 18:14:17.132 INFO [stderr]   --> src/main.rs:13:1
Nov 29 18:14:17.132 INFO [stderr]    |
Nov 29 18:14:17.132 INFO [stderr] 13 | struct WordCount {
Nov 29 18:14:17.133 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 29 18:14:17.133 INFO [stderr]    |
Nov 29 18:14:17.133 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 18:14:17.133 INFO [stderr] 
Nov 29 18:14:17.134 INFO [stderr] warning: method is never used: `get_count`
Nov 29 18:14:17.134 INFO [stderr]   --> src/main.rs:19:5
Nov 29 18:14:17.134 INFO [stderr]    |
Nov 29 18:14:17.135 INFO [stderr] 19 |     fn get_count(&self) -> u32 {
Nov 29 18:14:17.135 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:14:17.135 INFO [stderr] 
Nov 29 18:14:17.136 INFO [stderr] warning: method is never used: `increment`
Nov 29 18:14:17.136 INFO [stderr]   --> src/main.rs:23:5
Nov 29 18:14:17.136 INFO [stderr]    |
Nov 29 18:14:17.137 INFO [stderr] 23 |     fn increment(&mut self) {
Nov 29 18:14:17.137 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:14:17.137 INFO [stderr] 
Nov 29 18:14:17.164 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Nov 29 18:14:17.166 INFO [stderr] su: No module specific data is present
Nov 29 18:14:18.475 INFO running `"docker" "inspect" "bc9b7cf5ab4d9639c295d6a6f19b763dee8f9e0c999c69e76ea0a87ba85e072f"`
Nov 29 18:14:18.720 INFO running `"docker" "rm" "-f" "bc9b7cf5ab4d9639c295d6a6f19b763dee8f9e0c999c69e76ea0a87ba85e072f"`
Nov 29 18:14:18.964 INFO [stdout] bc9b7cf5ab4d9639c295d6a6f19b763dee8f9e0c999c69e76ea0a87ba85e072f