[INFO] crate tweetnacl 0.2.1 is already in cache
[INFO] extracting crate tweetnacl 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/tweetnacl/0.2.1
[INFO] extracting crate tweetnacl 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tweetnacl/0.2.1
[INFO] validating manifest of tweetnacl-0.2.1 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 tweetnacl-0.2.1 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 tweetnacl-0.2.1
[INFO] finished frobbing tweetnacl-0.2.1
[INFO] frobbed toml for tweetnacl-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/tweetnacl/0.2.1/Cargo.toml
[INFO] started frobbing tweetnacl-0.2.1
[INFO] finished frobbing tweetnacl-0.2.1
[INFO] frobbed toml for tweetnacl-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tweetnacl/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 tweetnacl-0.2.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tweetnacl/0.2.1:/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] e9cf5db34b14a459d4a9aca4533317a13e5103cc214f46e2e7bc1bafec565f83
[INFO] running `"docker" "start" "-a" "e9cf5db34b14a459d4a9aca4533317a13e5103cc214f46e2e7bc1bafec565f83"`
[INFO] [stderr]    Compiling tweetnacl-sys v0.1.3
[INFO] [stderr]     Checking tweetnacl v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/lib.rs:40:77
[INFO] [stderr]    |
[INFO] [stderr] 40 |         sys::crypto_stream_salsa20_tweet_xor(c.as_mut_ptr(), match m { Some(v) => v.as_ptr(), None => core::ptr::null() }, c.len() as sys::c_ulonglong, n.as_ptr(), k.as_ptr())
[INFO] [stderr]    |                                                                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/lib.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let x = unsafe {
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:106:63
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn box_(c: &mut [u8], m: &[u8], n: &[u8;24], y: &[u8;32], x: &[u8;32]) -> Result<(),()>
[INFO] [stderr]     |                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:120:68
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn box_open(m : &mut [u8], c: &[u8], n: &[u8;24], y: &[u8;32], x: &[u8;32]) -> Result<(),()>
[INFO] [stderr]     |                                                                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/lib.rs:40:77
[INFO] [stderr]    |
[INFO] [stderr] 40 |         sys::crypto_stream_salsa20_tweet_xor(c.as_mut_ptr(), match m { Some(v) => v.as_ptr(), None => core::ptr::null() }, c.len() as sys::c_ulonglong, n.as_ptr(), k.as_ptr())
[INFO] [stderr]    |                                                                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/lib.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let x = unsafe {
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:106:63
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn box_(c: &mut [u8], m: &[u8], n: &[u8;24], y: &[u8;32], x: &[u8;32]) -> Result<(),()>
[INFO] [stderr]     |                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:120:68
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn box_open(m : &mut [u8], c: &[u8], n: &[u8;24], y: &[u8;32], x: &[u8;32]) -> Result<(),()>
[INFO] [stderr]     |                                                                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/lib.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     m.map(|x| assert_eq!(x.len(), c.len()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: try this: `if let Some(x) = m { ... }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:190:21
[INFO] [stderr]     |
[INFO] [stderr] 190 |     for (i, v) in x.into_iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |     for (i, v) in x_sys.into_iter().enumerate() {
[INFO] [stderr]     |                         ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/lib.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     m.map(|x| assert_eq!(x.len(), c.len()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: try this: `if let Some(x) = m { ... }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:190:21
[INFO] [stderr]     |
[INFO] [stderr] 190 |     for (i, v) in x.into_iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |     for (i, v) in x_sys.into_iter().enumerate() {
[INFO] [stderr]     |                         ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "e9cf5db34b14a459d4a9aca4533317a13e5103cc214f46e2e7bc1bafec565f83"`
[INFO] running `"docker" "rm" "-f" "e9cf5db34b14a459d4a9aca4533317a13e5103cc214f46e2e7bc1bafec565f83"`
[INFO] [stdout] e9cf5db34b14a459d4a9aca4533317a13e5103cc214f46e2e7bc1bafec565f83