[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/JhettHeliks/SorterDOTio"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/JhettHeliks/SorterDOTio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JhettHeliks/SorterDOTio" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/JhettHeliks/SorterDOTio"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JhettHeliks/SorterDOTio on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JhettHeliks/SorterDOTio against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa84fda30d554ffd89e0f3e6c568fdf4ff8cedcc03f3bd8e198f7aef330bb632
[INFO] running `"docker" "start" "-a" "fa84fda30d554ffd89e0f3e6c568fdf4ff8cedcc03f3bd8e198f7aef330bb632"`
[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 0.84s
[INFO] running `"docker" "inspect" "fa84fda30d554ffd89e0f3e6c568fdf4ff8cedcc03f3bd8e198f7aef330bb632"`
[INFO] running `"docker" "rm" "-f" "fa84fda30d554ffd89e0f3e6c568fdf4ff8cedcc03f3bd8e198f7aef330bb632"`
[INFO] [stdout] fa84fda30d554ffd89e0f3e6c568fdf4ff8cedcc03f3bd8e198f7aef330bb632