[INFO] updating cached repository 8bittree/pietro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/8bittree/pietro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/8bittree/pietro" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/8bittree/pietro"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/8bittree/pietro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/8bittree/pietro" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/8bittree/pietro"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/8bittree/pietro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44376cf3f47db5ec40b2da0821c09e858a54bbe3
[INFO] sha for GitHub repo 8bittree/pietro: 44376cf3f47db5ec40b2da0821c09e858a54bbe3
[INFO] validating manifest of 8bittree/pietro on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 8bittree/pietro on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 8bittree/pietro
[INFO] finished frobbing 8bittree/pietro
[INFO] frobbed toml for 8bittree/pietro written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/8bittree/pietro/Cargo.toml
[INFO] started frobbing 8bittree/pietro
[INFO] finished frobbing 8bittree/pietro
[INFO] frobbed toml for 8bittree/pietro written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/8bittree/pietro/Cargo.toml
[INFO] crate 8bittree/pietro already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 8bittree/pietro against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-6/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/8bittree/pietro:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4b726cac994816433cb05f894847601b03332c529b0d2a0835e3dc5d8392b8b
[INFO] running `"docker" "start" "-a" "f4b726cac994816433cb05f894847601b03332c529b0d2a0835e3dc5d8392b8b"`
[INFO] [stderr]     Checking pietro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{self, DirEntry};
[INFO] [stderr]   |                     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{self, DirEntry};
[INFO] [stderr]   |                     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dirEntries` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |         if let Ok(mut dirEntries) = fs::read_dir(dir) {
[INFO] [stderr]    |                       ^^^^^^^^^^ help: convert the identifier to snake case: `dir_entries`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dirEntries` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |         if let Ok(mut dirEntries) = fs::read_dir(dir) {
[INFO] [stderr]    |                       ^^^^^^^^^^ help: convert the identifier to snake case: `dir_entries`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "f4b726cac994816433cb05f894847601b03332c529b0d2a0835e3dc5d8392b8b"`
[INFO] running `"docker" "rm" "-f" "f4b726cac994816433cb05f894847601b03332c529b0d2a0835e3dc5d8392b8b"`
[INFO] [stdout] f4b726cac994816433cb05f894847601b03332c529b0d2a0835e3dc5d8392b8b