[INFO] updating cached repository dwallach1/Spell-Checker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dwallach1/Spell-Checker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dwallach1/Spell-Checker" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/dwallach1/Spell-Checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/dwallach1/Spell-Checker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dwallach1/Spell-Checker" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/dwallach1/Spell-Checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/dwallach1/Spell-Checker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21ceaec76b202443107aa3787e18957b7ecd6908
[INFO] sha for GitHub repo dwallach1/Spell-Checker: 21ceaec76b202443107aa3787e18957b7ecd6908
[INFO] validating manifest of dwallach1/Spell-Checker on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dwallach1/Spell-Checker on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dwallach1/Spell-Checker
[INFO] finished frobbing dwallach1/Spell-Checker
[INFO] frobbed toml for dwallach1/Spell-Checker written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/dwallach1/Spell-Checker/Cargo.toml
[INFO] started frobbing dwallach1/Spell-Checker
[INFO] finished frobbing dwallach1/Spell-Checker
[INFO] frobbed toml for dwallach1/Spell-Checker written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/dwallach1/Spell-Checker/Cargo.toml
[INFO] crate dwallach1/Spell-Checker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dwallach1/Spell-Checker against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a2066167d977593b73b605d69d92cd79a60ec1fa91b75214e50a2a001be3c691
[INFO] running `"docker" "start" "-a" "a2066167d977593b73b605d69d92cd79a60ec1fa91b75214e50a2a001be3c691"`
[INFO] [stderr]     Checking hw2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout`
[INFO] [stderr]  --> src/spell_checker.rs:3:41
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
[INFO] [stderr]   |                                         ^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout`
[INFO] [stderr]  --> src/spell_checker.rs:3:41
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
[INFO] [stderr]   |                                         ^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printer`
[INFO] [stderr]   --> src/spell_checker.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn printer(cache: &Trie, level: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printer`
[INFO] [stderr]   --> src/spell_checker.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn printer(cache: &Trie, level: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "a2066167d977593b73b605d69d92cd79a60ec1fa91b75214e50a2a001be3c691"`
[INFO] running `"docker" "rm" "-f" "a2066167d977593b73b605d69d92cd79a60ec1fa91b75214e50a2a001be3c691"`
[INFO] [stdout] a2066167d977593b73b605d69d92cd79a60ec1fa91b75214e50a2a001be3c691