[INFO] updating cached repository brain-lang/brainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brain-lang/brainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brain-lang/brainfuck" "work/ex/clippy-test-run/sources/stable/gh/brain-lang/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/brain-lang/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brain-lang/brainfuck" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brain-lang/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brain-lang/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a7e6127ec581fc53cf0a1b659952d8d8a6cd30d
[INFO] sha for GitHub repo brain-lang/brainfuck: 1a7e6127ec581fc53cf0a1b659952d8d8a6cd30d
[INFO] validating manifest of brain-lang/brainfuck 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 brain-lang/brainfuck 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 brain-lang/brainfuck
[INFO] finished frobbing brain-lang/brainfuck
[INFO] frobbed toml for brain-lang/brainfuck written to work/ex/clippy-test-run/sources/stable/gh/brain-lang/brainfuck/Cargo.toml
[INFO] started frobbing brain-lang/brainfuck
[INFO] finished frobbing brain-lang/brainfuck
[INFO] frobbed toml for brain-lang/brainfuck written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brain-lang/brainfuck/Cargo.toml
[INFO] crate brain-lang/brainfuck 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 brain-lang/brainfuck 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-4/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/brain-lang/brainfuck:/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] 7f3ef575dc53c63c3d913fd8ca86485063cd53286c6fa73ed8052fcd07a9bbd3
[INFO] running `"docker" "start" "-a" "7f3ef575dc53c63c3d913fd8ca86485063cd53286c6fa73ed8052fcd07a9bbd3"`
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking brain-brainfuck v1.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/precompiler.rs:80:27
[INFO] [stderr]    |
[INFO] [stderr] 80 |         const NO_GROUPS: &'static [u8] = b"><[.][.][,],+-.>-,+";
[INFO] [stderr]    |                          -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/precompiler.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 |         const SOME_GROUPS: &'static [u8] = b"><>>>++-[[[<+,-.>]]]...,,,,++++---<<<>>>[>>.,]";
[INFO] [stderr]     |                            -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[INFO] [stderr]     |                  ----^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/benchmark.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `brain-brainfuck`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[INFO] [stderr]     |                  ----^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7f3ef575dc53c63c3d913fd8ca86485063cd53286c6fa73ed8052fcd07a9bbd3"`
[INFO] running `"docker" "rm" "-f" "7f3ef575dc53c63c3d913fd8ca86485063cd53286c6fa73ed8052fcd07a9bbd3"`
[INFO] [stdout] 7f3ef575dc53c63c3d913fd8ca86485063cd53286c6fa73ed8052fcd07a9bbd3