[INFO] crate kg 0.0.5 is already in cache
[INFO] extracting crate kg 0.0.5 into work/ex/clippy-test-run/sources/stable/reg/kg/0.0.5
[INFO] extracting crate kg 0.0.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kg/0.0.5
[INFO] validating manifest of kg-0.0.5 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 kg-0.0.5 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 kg-0.0.5
[INFO] finished frobbing kg-0.0.5
[INFO] frobbed toml for kg-0.0.5 written to work/ex/clippy-test-run/sources/stable/reg/kg/0.0.5/Cargo.toml
[INFO] started frobbing kg-0.0.5
[INFO] finished frobbing kg-0.0.5
[INFO] frobbed toml for kg-0.0.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kg/0.0.5/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 kg-0.0.5 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/kg/0.0.5:/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] d5ee858b84c5558323a8ddeee460e7bc9aaa4b9e4e4c55a6aa11e4da871094be
[INFO] running `"docker" "start" "-a" "d5ee858b84c5558323a8ddeee460e7bc9aaa4b9e4e4c55a6aa11e4da871094be"`
[INFO] [stderr]     Checking config v0.9.2
[INFO] [stderr]     Checking comrak v0.2.14
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking nya v0.6.0
[INFO] [stderr]     Checking kg v0.0.5 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/frontmatter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     match text.starts_with("---\n") {
[INFO] [stderr] 18 | |         true => {
[INFO] [stderr] 19 | |             let slice_after_marker = &text[4..];
[INFO] [stderr] 20 | |             let marker_end = slice_after_marker.find("---\n").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         false => None,
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 17 |     if text.starts_with("---\n") {
[INFO] [stderr] 18 |     let slice_after_marker = &text[4..];
[INFO] [stderr] 19 |     let marker_end = slice_after_marker.find("---\n").unwrap();
[INFO] [stderr] 20 |     let yaml_slice = &text[4..marker_end + 4];
[INFO] [stderr] 21 |     let content_slice = &text[marker_end + 2 * 4..];
[INFO] [stderr] 22 |     Some((
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/frontmatter.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn serialize(matter: &Vec<Yaml>) -> String {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: change this to: `&[Yaml]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/frontmatter.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn deserialize(matter: &String) -> Vec<Yaml> {
[INFO] [stderr]    |                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/frontmatter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     match text.starts_with("---\n") {
[INFO] [stderr] 18 | |         true => {
[INFO] [stderr] 19 | |             let slice_after_marker = &text[4..];
[INFO] [stderr] 20 | |             let marker_end = slice_after_marker.find("---\n").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         false => None,
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 17 |     if text.starts_with("---\n") {
[INFO] [stderr] 18 |     let slice_after_marker = &text[4..];
[INFO] [stderr] 19 |     let marker_end = slice_after_marker.find("---\n").unwrap();
[INFO] [stderr] 20 |     let yaml_slice = &text[4..marker_end + 4];
[INFO] [stderr] 21 |     let content_slice = &text[marker_end + 2 * 4..];
[INFO] [stderr] 22 |     Some((
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/frontmatter.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn serialize(matter: &Vec<Yaml>) -> String {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: change this to: `&[Yaml]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/frontmatter.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn deserialize(matter: &String) -> Vec<Yaml> {
[INFO] [stderr]    |                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.67s
[INFO] running `"docker" "inspect" "d5ee858b84c5558323a8ddeee460e7bc9aaa4b9e4e4c55a6aa11e4da871094be"`
[INFO] running `"docker" "rm" "-f" "d5ee858b84c5558323a8ddeee460e7bc9aaa4b9e4e4c55a6aa11e4da871094be"`
[INFO] [stdout] d5ee858b84c5558323a8ddeee460e7bc9aaa4b9e4e4c55a6aa11e4da871094be