[INFO] updating cached repository bomb20/bfck-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bomb20/bfck-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bomb20/bfck-rust" "work/ex/clippy-test-run/sources/stable/gh/bomb20/bfck-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/bomb20/bfck-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bomb20/bfck-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bomb20/bfck-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bomb20/bfck-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0efad4f0fce8772230ac044c68260b549f5d90d
[INFO] sha for GitHub repo bomb20/bfck-rust: e0efad4f0fce8772230ac044c68260b549f5d90d
[INFO] validating manifest of bomb20/bfck-rust 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 bomb20/bfck-rust 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 bomb20/bfck-rust
[INFO] finished frobbing bomb20/bfck-rust
[INFO] frobbed toml for bomb20/bfck-rust written to work/ex/clippy-test-run/sources/stable/gh/bomb20/bfck-rust/Cargo.toml
[INFO] started frobbing bomb20/bfck-rust
[INFO] finished frobbing bomb20/bfck-rust
[INFO] frobbed toml for bomb20/bfck-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bomb20/bfck-rust/Cargo.toml
[INFO] crate bomb20/bfck-rust 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 bomb20/bfck-rust 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/bomb20/bfck-rust:/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] 098e5dc0e46787350b6f3633e79aaed1459798e123c47ab12559c743ca3c9507
[INFO] running `"docker" "start" "-a" "098e5dc0e46787350b6f3633e79aaed1459798e123c47ab12559c743ca3c9507"`
[INFO] [stderr]     Checking bfck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/bfck/runtime.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn run(&mut self, instructions: &Vec<Instruction>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bfck/runtime.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 |                   Instruction::WRITE => match io::stdin().bytes().next().expect("IO error") {
[INFO] [stderr]    |  _______________________________________^
[INFO] [stderr] 39 | |                     Ok(value) => self.tape.store(value),
[INFO] [stderr] 40 | |                     Err(_) => {},
[INFO] [stderr] 41 | |                 },
[INFO] [stderr]    | |_________________^ help: try this: `if let Ok(value) = io::stdin().bytes().next().expect("IO error") { self.tape.store(value) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/bfck/runtime.rs:53:34
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn compile(program_code: &Vec<u8>, instructions: &mut Vec<Instruction>) {
[INFO] [stderr]    |                                  ^^^^^^^^ help: change this to: `&[u8]`
[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: the loop variable `i` is used to index `program_code`
[INFO] [stderr]   --> src/bfck/runtime.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for i in 0..program_code.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] 56 |         for (i, <item>) in program_code.iter().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/bfck/runtime.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn optimize(instructions: &Vec<Instruction>, opt_instructions: &mut Vec<Instruction>) {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
[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 `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/bfck/runtime.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn run(&mut self, instructions: &Vec<Instruction>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bfck/runtime.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 |                   Instruction::WRITE => match io::stdin().bytes().next().expect("IO error") {
[INFO] [stderr]    |  _______________________________________^
[INFO] [stderr] 39 | |                     Ok(value) => self.tape.store(value),
[INFO] [stderr] 40 | |                     Err(_) => {},
[INFO] [stderr] 41 | |                 },
[INFO] [stderr]    | |_________________^ help: try this: `if let Ok(value) = io::stdin().bytes().next().expect("IO error") { self.tape.store(value) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/bfck/runtime.rs:53:34
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn compile(program_code: &Vec<u8>, instructions: &mut Vec<Instruction>) {
[INFO] [stderr]    |                                  ^^^^^^^^ help: change this to: `&[u8]`
[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: the loop variable `i` is used to index `program_code`
[INFO] [stderr]   --> src/bfck/runtime.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for i in 0..program_code.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] 56 |         for (i, <item>) in program_code.iter().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/bfck/runtime.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn optimize(instructions: &Vec<Instruction>, opt_instructions: &mut Vec<Instruction>) {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
[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 0.96s
[INFO] running `"docker" "inspect" "098e5dc0e46787350b6f3633e79aaed1459798e123c47ab12559c743ca3c9507"`
[INFO] running `"docker" "rm" "-f" "098e5dc0e46787350b6f3633e79aaed1459798e123c47ab12559c743ca3c9507"`
[INFO] [stdout] 098e5dc0e46787350b6f3633e79aaed1459798e123c47ab12559c743ca3c9507