[INFO] updating cached repository https://github.com/firefox7025/DataCleaner
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] b551cbcb2ed88c3db87bbeb050157c58f2940027
[INFO] checking firefox7025/DataCleaner against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirefox7025%2FDataCleaner" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/firefox7025/DataCleaner on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/firefox7025/DataCleaner
[INFO] finished tweaking git repo https://github.com/firefox7025/DataCleaner
[INFO] tweaked toml for git repo https://github.com/firefox7025/DataCleaner written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/firefox7025/DataCleaner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 714082caab944c88be6c9a4ad27b5c07b5d39292478d64be6fd87fc7a561cb4f
[INFO] running `"docker" "start" "-a" "714082caab944c88be6c9a4ad27b5c07b5d39292478d64be6fd87fc7a561cb4f"`
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking rustfix v0.4.4
[INFO] [stderr]     Checking img_hash v2.1.0
[INFO] [stderr]     Checking image_sorter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `image_hash_combos`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let image_hash_combos: Vec<_> = images.par_iter()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_image_hash_combos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `diff`
[INFO] [stderr]   --> src/hasher.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn diff(hash1: ImageHash, hash2: ImageHash) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hash`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     hash: img_hash::ImageHash,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `path`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image_hash_combos`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let image_hash_combos: Vec<_> = images.par_iter()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_image_hash_combos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `diff`
[INFO] [stderr]   --> src/hasher.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn diff(hash1: ImageHash, hash2: ImageHash) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hash`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     hash: img_hash::ImageHash,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `path`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `"docker" "inspect" "714082caab944c88be6c9a4ad27b5c07b5d39292478d64be6fd87fc7a561cb4f"`
[INFO] running `"docker" "rm" "-f" "714082caab944c88be6c9a4ad27b5c07b5d39292478d64be6fd87fc7a561cb4f"`
[INFO] [stdout] 714082caab944c88be6c9a4ad27b5c07b5d39292478d64be6fd87fc7a561cb4f