[INFO] updating cached repository Implox/rust-gameboy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Implox/rust-gameboy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Implox/rust-gameboy" "work/ex/clippy-test-run/sources/stable/gh/Implox/rust-gameboy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Implox/rust-gameboy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Implox/rust-gameboy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Implox/rust-gameboy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Implox/rust-gameboy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be275d40ba3630feb7a46dd32c2b185ff40efa58
[INFO] sha for GitHub repo Implox/rust-gameboy: be275d40ba3630feb7a46dd32c2b185ff40efa58
[INFO] validating manifest of Implox/rust-gameboy 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 Implox/rust-gameboy 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 Implox/rust-gameboy
[INFO] finished frobbing Implox/rust-gameboy
[INFO] frobbed toml for Implox/rust-gameboy written to work/ex/clippy-test-run/sources/stable/gh/Implox/rust-gameboy/Cargo.toml
[INFO] started frobbing Implox/rust-gameboy
[INFO] finished frobbing Implox/rust-gameboy
[INFO] frobbed toml for Implox/rust-gameboy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Implox/rust-gameboy/Cargo.toml
[INFO] crate Implox/rust-gameboy 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 Implox/rust-gameboy against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Implox/rust-gameboy:/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" "-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] 5f0d42ca97e9673dd8fbb0f04155a61b2bfaecf2772266db6daf5e7dc3af759d
[INFO] running `"docker" "start" "-a" "5f0d42ca97e9673dd8fbb0f04155a61b2bfaecf2772266db6daf5e7dc3af759d"`
[INFO] [stderr]     Checking gameboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     println!("");
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/register.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         return self.0[idx];
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.0[idx]`
[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/register.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             return (high << 8) | low;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(high << 8) | low`
[INFO] [stderr]     |
[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/register.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             return (low << 8) | high;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(low << 8) | high`
[INFO] [stderr]     |
[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: `memory::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use memory::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/register.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         return self.0[idx];
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.0[idx]`
[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/register.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             return (high << 8) | low;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(high << 8) | low`
[INFO] [stderr]     |
[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/register.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             return (low << 8) | high;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(low << 8) | high`
[INFO] [stderr]     |
[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: `memory::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use memory::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/register.rs:154:20
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let high = self.0[idx] as u16;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.0[idx])`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/register.rs:155:19
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let low = self.0[idx + 1] as u16;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.0[idx + 1])`
[INFO] [stderr]     |
[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 used to index `arr`
[INFO] [stderr]   --> src/main.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for i in 0..12 {
[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] 12 |     for (i, <item>) in arr.iter_mut().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/register.rs:154:20
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let high = self.0[idx] as u16;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.0[idx])`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/register.rs:155:19
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let low = self.0[idx + 1] as u16;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.0[idx + 1])`
[INFO] [stderr]     |
[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 used to index `arr`
[INFO] [stderr]   --> src/main.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for i in 0..12 {
[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] 12 |     for (i, <item>) in arr.iter_mut().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "5f0d42ca97e9673dd8fbb0f04155a61b2bfaecf2772266db6daf5e7dc3af759d"`
[INFO] running `"docker" "rm" "-f" "5f0d42ca97e9673dd8fbb0f04155a61b2bfaecf2772266db6daf5e7dc3af759d"`
[INFO] [stdout] 5f0d42ca97e9673dd8fbb0f04155a61b2bfaecf2772266db6daf5e7dc3af759d