[INFO] updating cached repository kr-b/dna_encoder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kr-b/dna_encoder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kr-b/dna_encoder" "work/ex/clippy-test-run/sources/stable/gh/kr-b/dna_encoder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kr-b/dna_encoder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kr-b/dna_encoder" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kr-b/dna_encoder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kr-b/dna_encoder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6766acd78e8b56b7ba1698a9bebe8231d872bf00
[INFO] sha for GitHub repo kr-b/dna_encoder: 6766acd78e8b56b7ba1698a9bebe8231d872bf00
[INFO] validating manifest of kr-b/dna_encoder 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 kr-b/dna_encoder 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 kr-b/dna_encoder
[INFO] finished frobbing kr-b/dna_encoder
[INFO] frobbed toml for kr-b/dna_encoder written to work/ex/clippy-test-run/sources/stable/gh/kr-b/dna_encoder/Cargo.toml
[INFO] started frobbing kr-b/dna_encoder
[INFO] finished frobbing kr-b/dna_encoder
[INFO] frobbed toml for kr-b/dna_encoder written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kr-b/dna_encoder/Cargo.toml
[INFO] crate kr-b/dna_encoder 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 kr-b/dna_encoder 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/kr-b/dna_encoder:/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] 50f009cb7a7371314b3c3cd8061782fba5d7c09f1567ea9c05c36e55a835c2ab
[INFO] running `"docker" "start" "-a" "50f009cb7a7371314b3c3cd8061782fba5d7c09f1567ea9c05c36e55a835c2ab"`
[INFO] [stderr]     Checking dna_encoder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     return [b1, b2, b3, b4]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[b1, b2, b3, b4]`
[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: unneeded return statement
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     return [b1, b2, b3, b4]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[b1, b2, b3, b4]`
[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: the loop variable `i` is only used to index `args`.
[INFO] [stderr]   --> src/main.rs:73:26
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 for i in 4..args.len() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 for <item> in args.iter().skip(4) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let mut n = bit.clone();
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: try removing the `clone` call: `bit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let mut n = input.clone();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: try removing the `clone` call: `input`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:143:20
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if *bit != ' ' as u8 {
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:168:39
[INFO] [stderr]     |
[INFO] [stderr] 168 |         out += (base.pow(i as u32)) * (*bit as u32);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ help: try: `u32::from(*bit)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `args`.
[INFO] [stderr]   --> src/main.rs:73:26
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 for i in 4..args.len() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 for <item> in args.iter().skip(4) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let mut n = bit.clone();
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: try removing the `clone` call: `bit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let mut n = input.clone();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: try removing the `clone` call: `input`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:143:20
[INFO] [stderr]     |
[INFO] [stderr] 143 |         if *bit != ' ' as u8 {
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b' '
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:168:39
[INFO] [stderr]     |
[INFO] [stderr] 168 |         out += (base.pow(i as u32)) * (*bit as u32);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ help: try: `u32::from(*bit)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "50f009cb7a7371314b3c3cd8061782fba5d7c09f1567ea9c05c36e55a835c2ab"`
[INFO] running `"docker" "rm" "-f" "50f009cb7a7371314b3c3cd8061782fba5d7c09f1567ea9c05c36e55a835c2ab"`
[INFO] [stdout] 50f009cb7a7371314b3c3cd8061782fba5d7c09f1567ea9c05c36e55a835c2ab