[INFO] updating cached repository julian3ng/bf_interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/julian3ng/bf_interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/julian3ng/bf_interpreter" "work/ex/clippy-test-run/sources/stable/gh/julian3ng/bf_interpreter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/julian3ng/bf_interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/julian3ng/bf_interpreter" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/julian3ng/bf_interpreter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/julian3ng/bf_interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 416757f255a79581ace0cfb547445244cb363fba
[INFO] sha for GitHub repo julian3ng/bf_interpreter: 416757f255a79581ace0cfb547445244cb363fba
[INFO] validating manifest of julian3ng/bf_interpreter 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 julian3ng/bf_interpreter 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 julian3ng/bf_interpreter
[INFO] finished frobbing julian3ng/bf_interpreter
[INFO] frobbed toml for julian3ng/bf_interpreter written to work/ex/clippy-test-run/sources/stable/gh/julian3ng/bf_interpreter/Cargo.toml
[INFO] started frobbing julian3ng/bf_interpreter
[INFO] finished frobbing julian3ng/bf_interpreter
[INFO] frobbed toml for julian3ng/bf_interpreter written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/julian3ng/bf_interpreter/Cargo.toml
[INFO] crate julian3ng/bf_interpreter 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 julian3ng/bf_interpreter against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/julian3ng/bf_interpreter:/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] 44573b79a63a39fa165af13a25f5251fc3ad2f7850cc7835702368ab03859867
[INFO] running `"docker" "start" "-a" "44573b79a63a39fa165af13a25f5251fc3ad2f7850cc7835702368ab03859867"`
[INFO] [stderr]     Checking brainfuck_interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match ci {
[INFO] [stderr] 68 | |             &Bra(-1) => {
[INFO] [stderr] 69 | |                 eprintln!("Error: Unmatched bra");
[INFO] [stderr] 70 | |                 exit(1);
[INFO] [stderr] 71 | |             },
[INFO] [stderr] 72 | |             _ => ()
[INFO] [stderr] 73 | |         }
[INFO] [stderr]    | |_________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 67 |         if let &Bra(-1) = ci {
[INFO] [stderr] 68 |     eprintln!("Error: Unmatched bra");
[INFO] [stderr] 69 |     exit(1);
[INFO] [stderr] 70 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match ci {
[INFO] [stderr] 68 | |             &Bra(-1) => {
[INFO] [stderr] 69 | |                 eprintln!("Error: Unmatched bra");
[INFO] [stderr] 70 | |                 exit(1);
[INFO] [stderr] 71 | |             },
[INFO] [stderr] 72 | |             _ => ()
[INFO] [stderr] 73 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 67 |         match *ci {
[INFO] [stderr] 68 |             Bra(-1) => {
[INFO] [stderr]    |
[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/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match ci {
[INFO] [stderr] 68 | |             &Bra(-1) => {
[INFO] [stderr] 69 | |                 eprintln!("Error: Unmatched bra");
[INFO] [stderr] 70 | |                 exit(1);
[INFO] [stderr] 71 | |             },
[INFO] [stderr] 72 | |             _ => ()
[INFO] [stderr] 73 | |         }
[INFO] [stderr]    | |_________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 67 |         if let &Bra(-1) = ci {
[INFO] [stderr] 68 |     eprintln!("Error: Unmatched bra");
[INFO] [stderr] 69 |     exit(1);
[INFO] [stderr] 70 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match ci {
[INFO] [stderr] 68 | |             &Bra(-1) => {
[INFO] [stderr] 69 | |                 eprintln!("Error: Unmatched bra");
[INFO] [stderr] 70 | |                 exit(1);
[INFO] [stderr] 71 | |             },
[INFO] [stderr] 72 | |             _ => ()
[INFO] [stderr] 73 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 67 |         match *ci {
[INFO] [stderr] 68 |             Bra(-1) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "44573b79a63a39fa165af13a25f5251fc3ad2f7850cc7835702368ab03859867"`
[INFO] running `"docker" "rm" "-f" "44573b79a63a39fa165af13a25f5251fc3ad2f7850cc7835702368ab03859867"`
[INFO] [stdout] 44573b79a63a39fa165af13a25f5251fc3ad2f7850cc7835702368ab03859867