[INFO] updating cached repository bb2000/brainfuck_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bb2000/brainfuck_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bb2000/brainfuck_rs" "work/ex/clippy-test-run/sources/stable/gh/bb2000/brainfuck_rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/bb2000/brainfuck_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bb2000/brainfuck_rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bb2000/brainfuck_rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bb2000/brainfuck_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad90024b1689901fef3fa8ab7a7017c5cbe3eaef
[INFO] sha for GitHub repo bb2000/brainfuck_rs: ad90024b1689901fef3fa8ab7a7017c5cbe3eaef
[INFO] validating manifest of bb2000/brainfuck_rs 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 bb2000/brainfuck_rs 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 bb2000/brainfuck_rs
[INFO] finished frobbing bb2000/brainfuck_rs
[INFO] frobbed toml for bb2000/brainfuck_rs written to work/ex/clippy-test-run/sources/stable/gh/bb2000/brainfuck_rs/Cargo.toml
[INFO] started frobbing bb2000/brainfuck_rs
[INFO] finished frobbing bb2000/brainfuck_rs
[INFO] frobbed toml for bb2000/brainfuck_rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bb2000/brainfuck_rs/Cargo.toml
[INFO] crate bb2000/brainfuck_rs 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 bb2000/brainfuck_rs 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-1/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/bb2000/brainfuck_rs:/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] 0574048eb3eb9fffdd3bce3715b4364ea202b44cbcce0624cdcc47c4334f84dc
[INFO] running `"docker" "start" "-a" "0574048eb3eb9fffdd3bce3715b4364ea202b44cbcce0624cdcc47c4334f84dc"`
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/brainfuck.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             program: program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/brainfuck.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             input: input,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `input`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     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: redundant field names in struct initialization
[INFO] [stderr]   --> src/brainfuck.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             program: program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/brainfuck.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             input: input,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `input`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     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: unused imports: `Read`, `Stdin`, `Write`
[INFO] [stderr]  --> src/brainfuck.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read, Write, Stdin};
[INFO] [stderr]   |               ^^^^  ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/brainfuck.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/brainfuck.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for location in (0..self.memory.len()) {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufReader, Read, Write};
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Stdin`, `Write`
[INFO] [stderr]  --> src/brainfuck.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read, Write, Stdin};
[INFO] [stderr]   |               ^^^^  ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/brainfuck.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/brainfuck.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for location in (0..self.memory.len()) {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufReader, Read, Write};
[INFO] [stderr]   |               ^^^^^^^^^
[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/brainfuck.rs:63:41
[INFO] [stderr]    |
[INFO] [stderr] 63 |                             if value == '[' 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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:65:49
[INFO] [stderr]    |
[INFO] [stderr] 65 |                             } else if (value == ']' as u8) & (loops == 0) {
[INFO] [stderr]    |                                                 ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:67:48
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             } else if value == ']' as u8 {
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |                             if value == ']' as u8 {
[INFO] [stderr]    |                                         ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:81:49
[INFO] [stderr]    |
[INFO] [stderr] 81 |                             } else if (value == '[' as u8) & (loops == 0) {
[INFO] [stderr]    |                                                 ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:83:48
[INFO] [stderr]    |
[INFO] [stderr] 83 |                             } else if value == '[' as u8 {
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[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: length comparison to zero
[INFO] [stderr]   --> src/brainfuck.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         if self.input.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.input.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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     io::stdin().read_line(&mut input_buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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/brainfuck.rs:63:41
[INFO] [stderr]    |
[INFO] [stderr] 63 |                             if value == '[' 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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:65:49
[INFO] [stderr]    |
[INFO] [stderr] 65 |                             } else if (value == ']' as u8) & (loops == 0) {
[INFO] [stderr]    |                                                 ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:67:48
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             } else if value == ']' as u8 {
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |                             if value == ']' as u8 {
[INFO] [stderr]    |                                         ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:81:49
[INFO] [stderr]    |
[INFO] [stderr] 81 |                             } else if (value == '[' as u8) & (loops == 0) {
[INFO] [stderr]    |                                                 ^^^^^^^^^
[INFO] [stderr]    |
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/brainfuck.rs:83:48
[INFO] [stderr]    |
[INFO] [stderr] 83 |                             } else if value == '[' as u8 {
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[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: length comparison to zero
[INFO] [stderr]   --> src/brainfuck.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         if self.input.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.input.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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     io::stdin().read_line(&mut input_buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "0574048eb3eb9fffdd3bce3715b4364ea202b44cbcce0624cdcc47c4334f84dc"`
[INFO] running `"docker" "rm" "-f" "0574048eb3eb9fffdd3bce3715b4364ea202b44cbcce0624cdcc47c4334f84dc"`
[INFO] [stdout] 0574048eb3eb9fffdd3bce3715b4364ea202b44cbcce0624cdcc47c4334f84dc