[INFO] updating cached repository inner-product/mdbook-scala-wrapper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/inner-product/mdbook-scala-wrapper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/inner-product/mdbook-scala-wrapper" "work/ex/clippy-test-run/sources/stable/gh/inner-product/mdbook-scala-wrapper"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/inner-product/mdbook-scala-wrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/inner-product/mdbook-scala-wrapper" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/inner-product/mdbook-scala-wrapper"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/inner-product/mdbook-scala-wrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 820d617c502e9ca3d36c38fe4351d4192b29b806
[INFO] sha for GitHub repo inner-product/mdbook-scala-wrapper: 820d617c502e9ca3d36c38fe4351d4192b29b806
[INFO] validating manifest of inner-product/mdbook-scala-wrapper 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 inner-product/mdbook-scala-wrapper 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 inner-product/mdbook-scala-wrapper
[INFO] finished frobbing inner-product/mdbook-scala-wrapper
[INFO] frobbed toml for inner-product/mdbook-scala-wrapper written to work/ex/clippy-test-run/sources/stable/gh/inner-product/mdbook-scala-wrapper/Cargo.toml
[INFO] started frobbing inner-product/mdbook-scala-wrapper
[INFO] finished frobbing inner-product/mdbook-scala-wrapper
[INFO] frobbed toml for inner-product/mdbook-scala-wrapper written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/inner-product/mdbook-scala-wrapper/Cargo.toml
[INFO] crate inner-product/mdbook-scala-wrapper 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 inner-product/mdbook-scala-wrapper 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/inner-product/mdbook-scala-wrapper:/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] 451eff02109cb29738e1375636c8d72fea526d478dd35887f2a94e9602d6e998
[INFO] running `"docker" "start" "-a" "451eff02109cb29738e1375636c8d72fea526d478dd35887f2a94e9602d6e998"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking strum v0.9.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.9.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking toml-query v0.7.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.1.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.3
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]     Checking ammonia v1.2.0
[INFO] [stderr]     Checking mdbook v0.2.1
[INFO] [stderr]     Checking mdbook-scala-wrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 134 | |                 if let BookItem::Chapter(ref mut chapter) = *item {
[INFO] [stderr] 135 | |                     eprintln!("{}: processing chapter '{}'", self.name(), chapter.name);
[INFO] [stderr] 136 | |                     result = match self.remove_wrappers(chapter) {
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |                 }
[INFO] [stderr] 148 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 133 |             } else if let BookItem::Chapter(ref mut chapter) = *item {
[INFO] [stderr] 134 |     eprintln!("{}: processing chapter '{}'", self.name(), chapter.name);
[INFO] [stderr] 135 |     result = match self.remove_wrappers(chapter) {
[INFO] [stderr] 136 |         Ok(content) => {
[INFO] [stderr] 137 |             chapter.content = content;
[INFO] [stderr] 138 |             Ok(())
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/main.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     if let Err(e) = handle_preprocessing(args_os().skip(1).next().expect("one argument")) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] error: regex syntax error: unclosed counted repetition
[INFO] [stderr]   --> src/main.rs:40:74
[INFO] [stderr]    |
[INFO] [stderr] 40 |     static ref WRAPPER_BLOCK_START: Regex = Regex::new(r"object wrapper.*{").unwrap();
[INFO] [stderr]    |                                                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::invalid_regex)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/main.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |     static ref WRAPPER_BLOCK_END: Regex = Regex::new(r"^}").unwrap();
[INFO] [stderr]    |                                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]    = help: consider using `str::starts_with`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `ScalaWrapper`
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     pub fn new() -> ScalaWrapper {
[INFO] [stderr] 64 | |         ScalaWrapper
[INFO] [stderr] 65 | |     }
[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] 60 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mdbook-scala-wrapper`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 134 | |                 if let BookItem::Chapter(ref mut chapter) = *item {
[INFO] [stderr] 135 | |                     eprintln!("{}: processing chapter '{}'", self.name(), chapter.name);
[INFO] [stderr] 136 | |                     result = match self.remove_wrappers(chapter) {
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |                 }
[INFO] [stderr] 148 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 133 |             } else if let BookItem::Chapter(ref mut chapter) = *item {
[INFO] [stderr] 134 |     eprintln!("{}: processing chapter '{}'", self.name(), chapter.name);
[INFO] [stderr] 135 |     result = match self.remove_wrappers(chapter) {
[INFO] [stderr] 136 |         Ok(content) => {
[INFO] [stderr] 137 |             chapter.content = content;
[INFO] [stderr] 138 |             Ok(())
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/main.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     if let Err(e) = handle_preprocessing(args_os().skip(1).next().expect("one argument")) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] error: regex syntax error: unclosed counted repetition
[INFO] [stderr]   --> src/main.rs:40:74
[INFO] [stderr]    |
[INFO] [stderr] 40 |     static ref WRAPPER_BLOCK_START: Regex = Regex::new(r"object wrapper.*{").unwrap();
[INFO] [stderr]    |                                                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::invalid_regex)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/main.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |     static ref WRAPPER_BLOCK_END: Regex = Regex::new(r"^}").unwrap();
[INFO] [stderr]    |                                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]    = help: consider using `str::starts_with`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `ScalaWrapper`
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     pub fn new() -> ScalaWrapper {
[INFO] [stderr] 64 | |         ScalaWrapper
[INFO] [stderr] 65 | |     }
[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] 60 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mdbook-scala-wrapper`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "451eff02109cb29738e1375636c8d72fea526d478dd35887f2a94e9602d6e998"`
[INFO] running `"docker" "rm" "-f" "451eff02109cb29738e1375636c8d72fea526d478dd35887f2a94e9602d6e998"`
[INFO] [stdout] 451eff02109cb29738e1375636c8d72fea526d478dd35887f2a94e9602d6e998