[INFO] updating cached repository bluejekyll/triword
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bluejekyll/triword
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bluejekyll/triword" "work/ex/clippy-test-run/sources/stable/gh/bluejekyll/triword"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/bluejekyll/triword'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluejekyll/triword" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bluejekyll/triword"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bluejekyll/triword'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 542e956dbf701845da56f86b349bec71416ade78
[INFO] sha for GitHub repo bluejekyll/triword: 542e956dbf701845da56f86b349bec71416ade78
[INFO] validating manifest of bluejekyll/triword 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 bluejekyll/triword 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 bluejekyll/triword
[INFO] finished frobbing bluejekyll/triword
[INFO] frobbed toml for bluejekyll/triword written to work/ex/clippy-test-run/sources/stable/gh/bluejekyll/triword/Cargo.toml
[INFO] started frobbing bluejekyll/triword
[INFO] finished frobbing bluejekyll/triword
[INFO] frobbed toml for bluejekyll/triword written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bluejekyll/triword/Cargo.toml
[INFO] crate bluejekyll/triword 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 bluejekyll/triword 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/gh/bluejekyll/triword:/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] 9c4d06fe7d1ea81df0a57edcadeb81aaf69e1ca9e6df2428e0dc49d4b59647d1
[INFO] running `"docker" "start" "-a" "9c4d06fe7d1ea81df0a57edcadeb81aaf69e1ca9e6df2428e0dc49d4b59647d1"`
[INFO] [stderr]     Checking serde v1.0.39
[INFO] [stderr]     Checking radix_trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.39
[INFO] [stderr]     Checking serde_json v1.0.15
[INFO] [stderr]     Checking triword v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]    --> src/lib.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             writeln!(f, "")?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]    --> src/lib.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             writeln!(f, "")?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/lib.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn to_array(s1: &[u8], s2: &[u8], s3: &[u8], idx: usize) -> [u8; 3] {
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 | struct SlotIter<'a>(Enumerate<Chain<Chain<Iter<'a, u8>, Iter<'a, u8>>, Iter<'a, u8>>>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `GridLetterCount`
[INFO] [stderr]    --> src/lib.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | /     pub fn new() -> Self {
[INFO] [stderr] 138 | |         GridLetterCount([[0; 26]; 9])
[INFO] [stderr] 139 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 134 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/lib.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn to_array(s1: &[u8], s2: &[u8], s3: &[u8], idx: usize) -> [u8; 3] {
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 | struct SlotIter<'a>(Enumerate<Chain<Chain<Iter<'a, u8>, Iter<'a, u8>>, Iter<'a, u8>>>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `GridLetterCount`
[INFO] [stderr]    --> src/lib.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | /     pub fn new() -> Self {
[INFO] [stderr] 138 | |         GridLetterCount([[0; 26]; 9])
[INFO] [stderr] 139 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 134 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .split("\n")
[INFO] [stderr]    |                ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |         .chain(ALL_THREES.split("\n"))
[INFO] [stderr]    |                                 ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .split("\n")
[INFO] [stderr]    |                ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |         .chain(ALL_THREES.split("\n"))
[INFO] [stderr]    |                                 ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.03s
[INFO] running `"docker" "inspect" "9c4d06fe7d1ea81df0a57edcadeb81aaf69e1ca9e6df2428e0dc49d4b59647d1"`
[INFO] running `"docker" "rm" "-f" "9c4d06fe7d1ea81df0a57edcadeb81aaf69e1ca9e6df2428e0dc49d4b59647d1"`
[INFO] [stdout] 9c4d06fe7d1ea81df0a57edcadeb81aaf69e1ca9e6df2428e0dc49d4b59647d1