[INFO] crate mlcr 0.2.0 is already in cache
[INFO] extracting crate mlcr 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/mlcr/0.2.0
[INFO] extracting crate mlcr 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mlcr/0.2.0
[INFO] validating manifest of mlcr-0.2.0 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 mlcr-0.2.0 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 mlcr-0.2.0
[INFO] finished frobbing mlcr-0.2.0
[INFO] frobbed toml for mlcr-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/mlcr/0.2.0/Cargo.toml
[INFO] started frobbing mlcr-0.2.0
[INFO] finished frobbing mlcr-0.2.0
[INFO] frobbed toml for mlcr-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mlcr/0.2.0/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 mlcr-0.2.0 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/mlcr/0.2.0:/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] 456cf66c4ce761315c0d78f8a99345ac93d13d63713ca733d82bcc6eb1529cfc
[INFO] running `"docker" "start" "-a" "456cf66c4ce761315c0d78f8a99345ac93d13d63713ca733d82bcc6eb1529cfc"`
[INFO] [stderr]     Checking nn v0.1.6
[INFO] [stderr]     Checking mlcr v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 id: id,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `id`
[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:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 prediction: prediction,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prediction`
[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:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             heap: heap,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `heap`
[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:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 id: id,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `id`
[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:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 prediction: prediction,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prediction`
[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:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             heap: heap,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `heap`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |         vec![id as f64, self.instated as f64, self.last_used[0] as f64, self.last_used[1] as f64,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.instated)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:53:47
[INFO] [stderr]    |
[INFO] [stderr] 53 |         vec![id as f64, self.instated as f64, self.last_used[0] as f64, self.last_used[1] as f64,
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.last_used[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:53:73
[INFO] [stderr]    |
[INFO] [stderr] 53 |         vec![id as f64, self.instated as f64, self.last_used[0] as f64, self.last_used[1] as f64,
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.last_used[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 54 |              self.times_used as f64]
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.times_used)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Cache`
[INFO] [stderr]    --> src/lib.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 | /     pub fn new() -> Cache {
[INFO] [stderr] 145 | |         Cache {
[INFO] [stderr] 146 | |             blocks: HashMap::new(),
[INFO] [stderr] 147 | |             nn: NN::new(&[5, 6, 1]),
[INFO] [stderr] 148 | |             clock: 0,
[INFO] [stderr] 149 | |         }
[INFO] [stderr] 150 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 137 | impl Default for Cache {
[INFO] [stderr] 138 |     fn default() -> Self {
[INFO] [stderr] 139 |         Self::new()
[INFO] [stderr] 140 |     }
[INFO] [stderr] 141 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 164 |             let goal = (self.clock as f64 * 0.01).tanh();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.clock)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `ConcurrentCache`
[INFO] [stderr]    --> src/lib.rs:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 | /     pub fn new() -> ConcurrentCache {
[INFO] [stderr] 250 | |         ConcurrentCache {
[INFO] [stderr] 251 | |             inner: Mutex::new(Cache::new()),
[INFO] [stderr] 252 | |             queue: SegQueue::new(),
[INFO] [stderr] 253 | |         }
[INFO] [stderr] 254 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 247 | impl Default for ConcurrentCache {
[INFO] [stderr] 248 |     fn default() -> Self {
[INFO] [stderr] 249 |         Self::new()
[INFO] [stderr] 250 |     }
[INFO] [stderr] 251 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |         vec![id as f64, self.instated as f64, self.last_used[0] as f64, self.last_used[1] as f64,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.instated)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:53:47
[INFO] [stderr]    |
[INFO] [stderr] 53 |         vec![id as f64, self.instated as f64, self.last_used[0] as f64, self.last_used[1] as f64,
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.last_used[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:53:73
[INFO] [stderr]    |
[INFO] [stderr] 53 |         vec![id as f64, self.instated as f64, self.last_used[0] as f64, self.last_used[1] as f64,
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.last_used[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 54 |              self.times_used as f64]
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.times_used)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Cache`
[INFO] [stderr]    --> src/lib.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 | /     pub fn new() -> Cache {
[INFO] [stderr] 145 | |         Cache {
[INFO] [stderr] 146 | |             blocks: HashMap::new(),
[INFO] [stderr] 147 | |             nn: NN::new(&[5, 6, 1]),
[INFO] [stderr] 148 | |             clock: 0,
[INFO] [stderr] 149 | |         }
[INFO] [stderr] 150 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 137 | impl Default for Cache {
[INFO] [stderr] 138 |     fn default() -> Self {
[INFO] [stderr] 139 |         Self::new()
[INFO] [stderr] 140 |     }
[INFO] [stderr] 141 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 164 |             let goal = (self.clock as f64 * 0.01).tanh();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.clock)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `ConcurrentCache`
[INFO] [stderr]    --> src/lib.rs:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 | /     pub fn new() -> ConcurrentCache {
[INFO] [stderr] 250 | |         ConcurrentCache {
[INFO] [stderr] 251 | |             inner: Mutex::new(Cache::new()),
[INFO] [stderr] 252 | |             queue: SegQueue::new(),
[INFO] [stderr] 253 | |         }
[INFO] [stderr] 254 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 247 | impl Default for ConcurrentCache {
[INFO] [stderr] 248 |     fn default() -> Self {
[INFO] [stderr] 249 |         Self::new()
[INFO] [stderr] 250 |     }
[INFO] [stderr] 251 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "456cf66c4ce761315c0d78f8a99345ac93d13d63713ca733d82bcc6eb1529cfc"`
[INFO] running `"docker" "rm" "-f" "456cf66c4ce761315c0d78f8a99345ac93d13d63713ca733d82bcc6eb1529cfc"`
[INFO] [stdout] 456cf66c4ce761315c0d78f8a99345ac93d13d63713ca733d82bcc6eb1529cfc