[INFO] updating cached repository JhettHeliks/SorterDOTio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JhettHeliks/SorterDOTio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JhettHeliks/SorterDOTio" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JhettHeliks/SorterDOTio"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JhettHeliks/SorterDOTio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JhettHeliks/SorterDOTio" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JhettHeliks/SorterDOTio"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JhettHeliks/SorterDOTio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 552e4f017f1553a110b8741d1b1f6e737bf3a7f8
[INFO] sha for GitHub repo JhettHeliks/SorterDOTio: 552e4f017f1553a110b8741d1b1f6e737bf3a7f8
[INFO] validating manifest of JhettHeliks/SorterDOTio on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JhettHeliks/SorterDOTio on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JhettHeliks/SorterDOTio
[INFO] finished frobbing JhettHeliks/SorterDOTio
[INFO] frobbed toml for JhettHeliks/SorterDOTio written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JhettHeliks/SorterDOTio/Cargo.toml
[INFO] started frobbing JhettHeliks/SorterDOTio
[INFO] finished frobbing JhettHeliks/SorterDOTio
[INFO] frobbed toml for JhettHeliks/SorterDOTio written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/JhettHeliks/SorterDOTio/Cargo.toml
[INFO] crate JhettHeliks/SorterDOTio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JhettHeliks/SorterDOTio against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/JhettHeliks/SorterDOTio:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eef7dbd5654c6f696ff6554b39ea29379f8481cbcf0c55fe8a7d3a0892b64b3f
[INFO] running `"docker" "start" "-a" "eef7dbd5654c6f696ff6554b39ea29379f8481cbcf0c55fe8a7d3a0892b64b3f"`
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking sorter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/main.rs:217:10
[INFO] [stderr]     |
[INFO] [stderr] 217 |     for (key, values) in map.iter(){
[INFO] [stderr]     |          ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/main.rs:217:10
[INFO] [stderr]     |
[INFO] [stderr] 217 |     for (key, values) in map.iter(){
[INFO] [stderr]     |          ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 let mut in_box = file.clone().to_owned();
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:284:25
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     let mut in_box = file.clone().to_owned();
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "eef7dbd5654c6f696ff6554b39ea29379f8481cbcf0c55fe8a7d3a0892b64b3f"`
[INFO] running `"docker" "rm" "-f" "eef7dbd5654c6f696ff6554b39ea29379f8481cbcf0c55fe8a7d3a0892b64b3f"`
[INFO] [stdout] eef7dbd5654c6f696ff6554b39ea29379f8481cbcf0c55fe8a7d3a0892b64b3f