[INFO] updating cached repository Safort/dupchecker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Safort/dupchecker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Safort/dupchecker" "work/ex/clippy-test-run/sources/stable/gh/Safort/dupchecker"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Safort/dupchecker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Safort/dupchecker" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Safort/dupchecker"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Safort/dupchecker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b44b6b5082f68896a89cf8abe1993e2609b6b02
[INFO] sha for GitHub repo Safort/dupchecker: 4b44b6b5082f68896a89cf8abe1993e2609b6b02
[INFO] validating manifest of Safort/dupchecker on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Safort/dupchecker on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Safort/dupchecker
[INFO] finished frobbing Safort/dupchecker
[INFO] frobbed toml for Safort/dupchecker written to work/ex/clippy-test-run/sources/stable/gh/Safort/dupchecker/Cargo.toml
[INFO] started frobbing Safort/dupchecker
[INFO] finished frobbing Safort/dupchecker
[INFO] frobbed toml for Safort/dupchecker written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Safort/dupchecker/Cargo.toml
[INFO] crate Safort/dupchecker has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting Safort/dupchecker against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Safort/dupchecker:/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 -Dclippy::into_iter_on_array" "-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 917ffaa5b31c5a22abc8464597dac83b5c5a97b9e115b416cd7abfc193b18df4
[INFO] running `"docker" "start" "-a" "917ffaa5b31c5a22abc8464597dac83b5c5a97b9e115b416cd7abfc193b18df4"`
[INFO] [stderr]     Checking dupchecker v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> src/lib.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if *&dir.is_file() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: try this: `dir.is_file()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deref_addrof)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> src/lib.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         } else if *&dir.is_dir() {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: try this: `dir.is_dir()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded `()`
[INFO] [stderr]   --> src/lib.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |         return ();
[INFO] [stderr]    |                ^^ help: remove the `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     if duplicates.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `duplicates.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/lib.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | /         if !store.contains_key(&hash) {
[INFO] [stderr] 67 | |             store.insert(hash, file_path);
[INFO] [stderr] 68 | |         } else {
[INFO] [stderr] 69 | |             duplicates.push(file_path.to_string());
[INFO] [stderr] 70 | |         }
[INFO] [stderr]    | |_________^ help: consider using: `store.entry(hash)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> src/lib.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if *&dir.is_file() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: try this: `dir.is_file()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deref_addrof)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> src/lib.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         } else if *&dir.is_dir() {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: try this: `dir.is_dir()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded `()`
[INFO] [stderr]   --> src/lib.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |         return ();
[INFO] [stderr]    |                ^^ help: remove the `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |         assert_eq!(hash, 6797947405645866459);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^ help: consider: `6_797_947_405_645_866_459`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     if duplicates.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `duplicates.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/lib.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | /         if !store.contains_key(&hash) {
[INFO] [stderr] 67 | |             store.insert(hash, file_path);
[INFO] [stderr] 68 | |         } else {
[INFO] [stderr] 69 | |             duplicates.push(file_path.to_string());
[INFO] [stderr] 70 | |         }
[INFO] [stderr]    | |_________^ help: consider using: `store.entry(hash)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "917ffaa5b31c5a22abc8464597dac83b5c5a97b9e115b416cd7abfc193b18df4"`
[INFO] running `"docker" "rm" "-f" "917ffaa5b31c5a22abc8464597dac83b5c5a97b9e115b416cd7abfc193b18df4"`
[INFO] [stdout] 917ffaa5b31c5a22abc8464597dac83b5c5a97b9e115b416cd7abfc193b18df4