[INFO] crate reroute 0.3.2 is already in cache
[INFO] extracting crate reroute 0.3.2 into work/ex/clippy-test-run/sources/stable/reg/reroute/0.3.2
[INFO] extracting crate reroute 0.3.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reroute/0.3.2
[INFO] validating manifest of reroute-0.3.2 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 reroute-0.3.2 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 reroute-0.3.2
[INFO] finished frobbing reroute-0.3.2
[INFO] frobbed toml for reroute-0.3.2 written to work/ex/clippy-test-run/sources/stable/reg/reroute/0.3.2/Cargo.toml
[INFO] started frobbing reroute-0.3.2
[INFO] finished frobbing reroute-0.3.2
[INFO] frobbed toml for reroute-0.3.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reroute/0.3.2/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 reroute-0.3.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/reroute/0.3.2:/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] 8a4f87c329537cb91e78228436467987fbe4c87b91a0e93e3856dbfe03d9ef1a
[INFO] running `"docker" "start" "-a" "8a4f87c329537cb91e78228436467987fbe4c87b91a0e93e3856dbfe03d9ef1a"`
[INFO] [stderr]     Checking reroute v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/lib.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let ref regex = self.patterns[index];
[INFO] [stderr]    |             ----^^^^^^^^^------------------------ help: try: `let regex = &self.patterns[index];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `RouterBuilder`
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | /     pub fn new() -> RouterBuilder {
[INFO] [stderr] 67 | |         RouterBuilder {
[INFO] [stderr] 68 | |             routes: vec![],
[INFO] [stderr] 69 | |             handlers: vec![],
[INFO] [stderr] 70 | |             not_found: None,
[INFO] [stderr] 71 | |         }
[INFO] [stderr] 72 | |     }
[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] 58 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/lib.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let ref regex = self.patterns[index];
[INFO] [stderr]    |             ----^^^^^^^^^------------------------ help: try: `let regex = &self.patterns[index];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `RouterBuilder`
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | /     pub fn new() -> RouterBuilder {
[INFO] [stderr] 67 | |         RouterBuilder {
[INFO] [stderr] 68 | |             routes: vec![],
[INFO] [stderr] 69 | |             handlers: vec![],
[INFO] [stderr] 70 | |             not_found: None,
[INFO] [stderr] 71 | |         }
[INFO] [stderr] 72 | |     }
[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] 58 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `"docker" "inspect" "8a4f87c329537cb91e78228436467987fbe4c87b91a0e93e3856dbfe03d9ef1a"`
[INFO] running `"docker" "rm" "-f" "8a4f87c329537cb91e78228436467987fbe4c87b91a0e93e3856dbfe03d9ef1a"`
[INFO] [stdout] 8a4f87c329537cb91e78228436467987fbe4c87b91a0e93e3856dbfe03d9ef1a