[INFO] crate emitbrown 0.1.3 is already in cache
[INFO] extracting crate emitbrown 0.1.3 into work/ex/clippy-test-run/sources/stable/reg/emitbrown/0.1.3
[INFO] extracting crate emitbrown 0.1.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/emitbrown/0.1.3
[INFO] validating manifest of emitbrown-0.1.3 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 emitbrown-0.1.3 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 emitbrown-0.1.3
[INFO] finished frobbing emitbrown-0.1.3
[INFO] frobbed toml for emitbrown-0.1.3 written to work/ex/clippy-test-run/sources/stable/reg/emitbrown/0.1.3/Cargo.toml
[INFO] started frobbing emitbrown-0.1.3
[INFO] finished frobbing emitbrown-0.1.3
[INFO] frobbed toml for emitbrown-0.1.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/emitbrown/0.1.3/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 emitbrown-0.1.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/emitbrown/0.1.3:/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] 2b3b51a7baca21c26974f4fa25b220f2512a2d902a05f129d1ef9b3cc3172286
[INFO] running `"docker" "start" "-a" "2b3b51a7baca21c26974f4fa25b220f2512a2d902a05f129d1ef9b3cc3172286"`
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking emitbrown v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Emitter<'callback, T>`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> Emitter<'callback, T> {
[INFO] [stderr] 19 | |         Emitter {
[INFO] [stderr] 20 | |             events: HashMap::new()
[INFO] [stderr] 21 | |         }
[INFO] [stderr] 22 | |     }
[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] 13 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 | /             match self.events.get_mut(&event_name) {
[INFO] [stderr] 29 | |                 Some(callbacks) => callbacks.push(callback),
[INFO] [stderr] 30 | |                 None => (),
[INFO] [stderr] 31 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Some(callbacks) = self.events.get_mut(&event_name) { callbacks.push(callback) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match self.events.get_mut(&event_name) {
[INFO] [stderr] 44 | |             Some(callbacks) => {
[INFO] [stderr] 45 | |                 for callback in callbacks.iter_mut() {
[INFO] [stderr] 46 | |                     (*callback)(event_data);
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |             _ => { ; }
[INFO] [stderr] 50 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if let Some(callbacks) = self.events.get_mut(&event_name) {
[INFO] [stderr] 44 |     for callback in callbacks.iter_mut() {
[INFO] [stderr] 45 |         (*callback)(event_data);
[INFO] [stderr] 46 |     }
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Emitter<'callback, T>`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> Emitter<'callback, T> {
[INFO] [stderr] 19 | |         Emitter {
[INFO] [stderr] 20 | |             events: HashMap::new()
[INFO] [stderr] 21 | |         }
[INFO] [stderr] 22 | |     }
[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] 13 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 | /             match self.events.get_mut(&event_name) {
[INFO] [stderr] 29 | |                 Some(callbacks) => callbacks.push(callback),
[INFO] [stderr] 30 | |                 None => (),
[INFO] [stderr] 31 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Some(callbacks) = self.events.get_mut(&event_name) { callbacks.push(callback) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match self.events.get_mut(&event_name) {
[INFO] [stderr] 44 | |             Some(callbacks) => {
[INFO] [stderr] 45 | |                 for callback in callbacks.iter_mut() {
[INFO] [stderr] 46 | |                     (*callback)(event_data);
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |             _ => { ; }
[INFO] [stderr] 50 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if let Some(callbacks) = self.events.get_mut(&event_name) {
[INFO] [stderr] 44 |     for callback in callbacks.iter_mut() {
[INFO] [stderr] 45 |         (*callback)(event_data);
[INFO] [stderr] 46 |     }
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> tests/emitbrown.rs:134:28
[INFO] [stderr]     |
[INFO] [stderr] 134 |             if data.bar != "HAHAHA".to_string() {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `"HAHAHA"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `"docker" "inspect" "2b3b51a7baca21c26974f4fa25b220f2512a2d902a05f129d1ef9b3cc3172286"`
[INFO] running `"docker" "rm" "-f" "2b3b51a7baca21c26974f4fa25b220f2512a2d902a05f129d1ef9b3cc3172286"`
[INFO] [stdout] 2b3b51a7baca21c26974f4fa25b220f2512a2d902a05f129d1ef9b3cc3172286