[INFO] updating cached repository Niedzwiedzw/camera_copier
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Niedzwiedzw/camera_copier
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Niedzwiedzw/camera_copier" "work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/camera_copier"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/camera_copier'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Niedzwiedzw/camera_copier" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Niedzwiedzw/camera_copier"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Niedzwiedzw/camera_copier'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3cf34bda9d9ca4606370337dfdee36b1a203d25e
[INFO] sha for GitHub repo Niedzwiedzw/camera_copier: 3cf34bda9d9ca4606370337dfdee36b1a203d25e
[INFO] validating manifest of Niedzwiedzw/camera_copier 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 Niedzwiedzw/camera_copier 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 Niedzwiedzw/camera_copier
[INFO] finished frobbing Niedzwiedzw/camera_copier
[INFO] frobbed toml for Niedzwiedzw/camera_copier written to work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/camera_copier/Cargo.toml
[INFO] started frobbing Niedzwiedzw/camera_copier
[INFO] finished frobbing Niedzwiedzw/camera_copier
[INFO] frobbed toml for Niedzwiedzw/camera_copier written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Niedzwiedzw/camera_copier/Cargo.toml
[INFO] crate Niedzwiedzw/camera_copier 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 Niedzwiedzw/camera_copier 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/Niedzwiedzw/camera_copier:/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] 22bffe5543a630d713883e77371dde1b516927fef7e0f40f0c11fb2eb80e6c8a
[INFO] running `"docker" "start" "-a" "22bffe5543a630d713883e77371dde1b516927fef7e0f40f0c11fb2eb80e6c8a"`
[INFO] [stderr]     Checking camera_copier v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Err(_) => { return false }
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Err(_) => { return false }
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/main.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn files<'a>(directory: &String) -> std::result::Result<std::vec::Vec<std::fs::DirEntry>, std::io::Error>
[INFO] [stderr]   |                         ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn files<'a>(directory: &String) -> std::result::Result<std::vec::Vec<std::fs::DirEntry>, std::io::Error>
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn is_camera_dir(disk: &String) -> bool {
[INFO] [stderr]    |                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/main.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn camera_disk<'a>() -> Option<String> {
[INFO] [stderr]    |                ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:53:50
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn contains(element: &std::fs::DirEntry, vector: &Vec<std::fs::DirEntry>) -> bool {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[std::fs::DirEntry]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/main.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn files<'a>(directory: &String) -> std::result::Result<std::vec::Vec<std::fs::DirEntry>, std::io::Error>
[INFO] [stderr]   |                         ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn files<'a>(directory: &String) -> std::result::Result<std::vec::Vec<std::fs::DirEntry>, std::io::Error>
[INFO] [stderr]   |          ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn is_camera_dir(disk: &String) -> bool {
[INFO] [stderr]    |                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/main.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn camera_disk<'a>() -> Option<String> {
[INFO] [stderr]    |                ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:53:50
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn contains(element: &std::fs::DirEntry, vector: &Vec<std::fs::DirEntry>) -> bool {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[std::fs::DirEntry]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "22bffe5543a630d713883e77371dde1b516927fef7e0f40f0c11fb2eb80e6c8a"`
[INFO] running `"docker" "rm" "-f" "22bffe5543a630d713883e77371dde1b516927fef7e0f40f0c11fb2eb80e6c8a"`
[INFO] [stdout] 22bffe5543a630d713883e77371dde1b516927fef7e0f40f0c11fb2eb80e6c8a