Dec 19 17:41:19.525 INFO checking dwallach1/Spell-Checker against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:41:19.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dwallach1/Spell-Checker:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:41:20.098 INFO [stdout] 1d3b1d892a531ac518d9a9fd6c8a2574de700aa09937ecaf8ea0ad19f72dd55f
Dec 19 17:41:20.100 INFO running `"docker" "start" "-a" "1d3b1d892a531ac518d9a9fd6c8a2574de700aa09937ecaf8ea0ad19f72dd55f"`
Dec 19 17:41:21.898 INFO [stderr]     Checking hw2 v0.1.0 (/opt/crater/workdir)
Dec 19 17:41:22.124 INFO [stderr] warning: unused imports: `Write`, `stdin`, `stdout`
Dec 19 17:41:22.124 INFO [stderr]  --> src/spell_checker.rs:3:41
Dec 19 17:41:22.124 INFO [stderr]   |
Dec 19 17:41:22.124 INFO [stderr] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
Dec 19 17:41:22.124 INFO [stderr]   |                                         ^^^^^  ^^^^^  ^^^^^^
Dec 19 17:41:22.124 INFO [stderr]   |
Dec 19 17:41:22.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:41:22.124 INFO [stderr] 
Dec 19 17:41:22.263 INFO [stderr] warning: unused imports: `Write`, `stdin`, `stdout`
Dec 19 17:41:22.264 INFO [stderr]  --> src/spell_checker.rs:3:41
Dec 19 17:41:22.264 INFO [stderr]   |
Dec 19 17:41:22.264 INFO [stderr] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
Dec 19 17:41:22.265 INFO [stderr]   |                                         ^^^^^  ^^^^^  ^^^^^^
Dec 19 17:41:22.265 INFO [stderr]   |
Dec 19 17:41:22.265 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:41:22.266 INFO [stderr] 
Dec 19 17:41:22.266 INFO [stderr] warning: function is never used: `printer`
Dec 19 17:41:22.266 INFO [stderr]   --> src/spell_checker.rs:31:1
Dec 19 17:41:22.266 INFO [stderr]    |
Dec 19 17:41:22.266 INFO [stderr] 31 | fn printer(cache: &Trie, level: usize) {
Dec 19 17:41:22.266 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:41:22.266 INFO [stderr]    |
Dec 19 17:41:22.266 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:41:22.266 INFO [stderr] 
Dec 19 17:41:22.508 INFO [stderr] warning: function is never used: `printer`
Dec 19 17:41:22.508 INFO [stderr]   --> src/spell_checker.rs:31:1
Dec 19 17:41:22.508 INFO [stderr]    |
Dec 19 17:41:22.508 INFO [stderr] 31 | fn printer(cache: &Trie, level: usize) {
Dec 19 17:41:22.508 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:41:22.508 INFO [stderr]    |
Dec 19 17:41:22.508 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:41:22.508 INFO [stderr] 
Dec 19 17:41:22.542 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 19 17:41:23.548 INFO running `"docker" "inspect" "1d3b1d892a531ac518d9a9fd6c8a2574de700aa09937ecaf8ea0ad19f72dd55f"`
Dec 19 17:41:23.858 INFO running `"docker" "rm" "-f" "1d3b1d892a531ac518d9a9fd6c8a2574de700aa09937ecaf8ea0ad19f72dd55f"`
Dec 19 17:41:24.143 INFO [stdout] 1d3b1d892a531ac518d9a9fd6c8a2574de700aa09937ecaf8ea0ad19f72dd55f