[INFO] updating cached repository https://github.com/rschwalk/mv_filtered_images
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d45e995b31e51ba757957a21027f34416946f524
[INFO] checking rschwalk/mv_filtered_images against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschwalk%2Fmv_filtered_images" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rschwalk/mv_filtered_images on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rschwalk/mv_filtered_images
[INFO] finished tweaking git repo https://github.com/rschwalk/mv_filtered_images
[INFO] tweaked toml for git repo https://github.com/rschwalk/mv_filtered_images written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rschwalk/mv_filtered_images already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b764ee26039f33752ead6a9ecab7c8b5338d5d4b917438e50f83b550422d8ce3
[INFO] running `"docker" "start" "-a" "b764ee26039f33752ead6a9ecab7c8b5338d5d4b917438e50f83b550422d8ce3"`
[INFO] [stderr]     Checking mv_filtered_images v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `files`
[INFO] [stderr]   --> src/lib.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut files: Vec<DirEntry> = WalkDir::new(config.path)
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_files`
[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/lib.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut files: Vec<DirEntry> = WalkDir::new(config.path)
[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: unused variable: `files`
[INFO] [stderr]   --> src/lib.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut files: Vec<DirEntry> = WalkDir::new(config.path)
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_files`
[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/lib.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut files: Vec<DirEntry> = WalkDir::new(config.path)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "b764ee26039f33752ead6a9ecab7c8b5338d5d4b917438e50f83b550422d8ce3"`
[INFO] running `"docker" "rm" "-f" "b764ee26039f33752ead6a9ecab7c8b5338d5d4b917438e50f83b550422d8ce3"`
[INFO] [stdout] b764ee26039f33752ead6a9ecab7c8b5338d5d4b917438e50f83b550422d8ce3