[INFO] crate lsystem 0.2.1 is already in cache
[INFO] extracting crate lsystem 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/lsystem/0.2.1
[INFO] extracting crate lsystem 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lsystem/0.2.1
[INFO] validating manifest of lsystem-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 lsystem-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 lsystem-0.2.1
[INFO] finished frobbing lsystem-0.2.1
[INFO] frobbed toml for lsystem-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/lsystem/0.2.1/Cargo.toml
[INFO] started frobbing lsystem-0.2.1
[INFO] finished frobbing lsystem-0.2.1
[INFO] frobbed toml for lsystem-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lsystem/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 lsystem-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-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lsystem/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] cae7f1ea5da422fb0d9a7a230c63b7357e62eb38cba630c143fd9edd71d8fe1a
[INFO] running `"docker" "start" "-a" "cae7f1ea5da422fb0d9a7a230c63b7357e62eb38cba630c143fd9edd71d8fe1a"`
[INFO] [stderr]     Checking lsystem v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             rules: rules,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `rules`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             axiom: axiom,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `axiom`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             rules: rules,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `rules`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             axiom: axiom,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `axiom`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `MapRules<T>`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 | /     pub fn new() -> MapRules<T> {
[INFO] [stderr] 270 | |         MapRules {
[INFO] [stderr] 271 | |             productions: HashMap::new(),
[INFO] [stderr] 272 | |         }
[INFO] [stderr] 273 | |     }
[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] 263 | #[derive(Default)]
[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/lib.rs:303:16
[INFO] [stderr]     |
[INFO] [stderr] 303 | pub fn show(v: &Vec<char>) -> String {
[INFO] [stderr]     |                ^^^^^^^^^^ help: change this to: `&[char]`
[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: you should consider deriving a `Default` implementation for `MapRules<T>`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 | /     pub fn new() -> MapRules<T> {
[INFO] [stderr] 270 | |         MapRules {
[INFO] [stderr] 271 | |             productions: HashMap::new(),
[INFO] [stderr] 272 | |         }
[INFO] [stderr] 273 | |     }
[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] 263 | #[derive(Default)]
[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/lib.rs:303:16
[INFO] [stderr]     |
[INFO] [stderr] 303 | pub fn show(v: &Vec<char>) -> String {
[INFO] [stderr]     |                ^^^^^^^^^^ help: change this to: `&[char]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "cae7f1ea5da422fb0d9a7a230c63b7357e62eb38cba630c143fd9edd71d8fe1a"`
[INFO] running `"docker" "rm" "-f" "cae7f1ea5da422fb0d9a7a230c63b7357e62eb38cba630c143fd9edd71d8fe1a"`
[INFO] [stdout] cae7f1ea5da422fb0d9a7a230c63b7357e62eb38cba630c143fd9edd71d8fe1a