[INFO] crate skimmer 0.0.2 is already in cache
[INFO] extracting crate skimmer 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/skimmer/0.0.2
[INFO] extracting crate skimmer 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/skimmer/0.0.2
[INFO] validating manifest of skimmer-0.0.2 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 skimmer-0.0.2 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 skimmer-0.0.2
[INFO] finished frobbing skimmer-0.0.2
[INFO] frobbed toml for skimmer-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/skimmer/0.0.2/Cargo.toml
[INFO] started frobbing skimmer-0.0.2
[INFO] finished frobbing skimmer-0.0.2
[INFO] frobbed toml for skimmer-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/skimmer/0.0.2/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 skimmer-0.0.2 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/skimmer/0.0.2:/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] dab6215e84dd15faf0e432839bd204adc75526e22f5cf0301db91d104f0c83fa
[INFO] running `"docker" "start" "-a" "dab6215e84dd15faf0e432839bd204adc75526e22f5cf0301db91d104f0c83fa"`
[INFO] [stderr]     Checking skimmer v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/marker.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Marker { pos1: pos1, pos2: pos2 }
[INFO] [stderr]    |                  ^^^^^^^^^^ help: replace it with: `pos1`
[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/marker.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Marker { pos1: pos1, pos2: pos2 }
[INFO] [stderr]    |                              ^^^^^^^^^^ help: replace it with: `pos2`
[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/marker.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Marker { pos1: pos1, pos2: pos2 }
[INFO] [stderr]    |                  ^^^^^^^^^^ help: replace it with: `pos1`
[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/marker.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Marker { pos1: pos1, pos2: pos2 }
[INFO] [stderr]    |                              ^^^^^^^^^^ help: replace it with: `pos2`
[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: trait `Datum` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/data.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / pub trait Datum : Clone + Debug {
[INFO] [stderr] 8  | |     fn len (&self) -> usize;
[INFO] [stderr] 9  | |
[INFO] [stderr] 10 | |     fn as_slice (&self) -> &[u8];
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/data.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let ref datum = self.data[marker.pos1.0];
[INFO] [stderr]    |             ----^^^^^^^^^---------------------------- help: try: `let datum = &self.data[marker.pos1.0];`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/data.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     let ref datum = self.data[pos2.0];
[INFO] [stderr]    |                     ----^^^^^^^^^--------------------- help: try: `let datum = &self.data[pos2.0];`
[INFO] [stderr]    |
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/data.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     fn _chunk_slice<'a> (&'a self, datum_idx: usize, start: usize, end: usize) -> Chunk<'a> {
[INFO] [stderr] 92 | |         Chunk::Slice (&self.data[datum_idx].as_slice ()[start .. end])
[INFO] [stderr] 93 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/slice_reader.rs:126:59
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn get_byte_at (&mut self, at: usize) -> Option<u8> { self.content.content.get (self.pointer + at).map (|b| *b) }
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer + at).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/slice_reader.rs:129:54
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn get_byte_at_start (&mut self) -> Option<u8> { self.content.content.get (self.pointer).map (|b| *b) }
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/bytes_reader.rs:135:59
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn get_byte_at (&mut self, at: usize) -> Option<u8> { self.content.content.get (self.pointer + at).map (|b| *b) }
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer + at).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/bytes_reader.rs:138:54
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn get_byte_at_start (&mut self) -> Option<u8> { self.content.content.get (self.pointer).map (|b| *b) }
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/ioreadeof_reader.rs:142:59
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_byte_at (&mut self, at: usize) -> Option<u8> { self.content.content.get (self.pointer + at).map (|b| *b) }
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer + at).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/ioreadeof_reader.rs:145:54
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn get_byte_at_start (&mut self) -> Option<u8> { self.content.content.get (self.pointer).map (|b| *b) }
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Datum` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/data.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / pub trait Datum : Clone + Debug {
[INFO] [stderr] 8  | |     fn len (&self) -> usize;
[INFO] [stderr] 9  | |
[INFO] [stderr] 10 | |     fn as_slice (&self) -> &[u8];
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/data.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let ref datum = self.data[marker.pos1.0];
[INFO] [stderr]    |             ----^^^^^^^^^---------------------------- help: try: `let datum = &self.data[marker.pos1.0];`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/data.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     let ref datum = self.data[pos2.0];
[INFO] [stderr]    |                     ----^^^^^^^^^--------------------- help: try: `let datum = &self.data[pos2.0];`
[INFO] [stderr]    |
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/data.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     fn _chunk_slice<'a> (&'a self, datum_idx: usize, start: usize, end: usize) -> Chunk<'a> {
[INFO] [stderr] 92 | |         Chunk::Slice (&self.data[datum_idx].as_slice ()[start .. end])
[INFO] [stderr] 93 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/slice_reader.rs:126:59
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn get_byte_at (&mut self, at: usize) -> Option<u8> { self.content.content.get (self.pointer + at).map (|b| *b) }
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer + at).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/slice_reader.rs:129:54
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn get_byte_at_start (&mut self) -> Option<u8> { self.content.content.get (self.pointer).map (|b| *b) }
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/bytes_reader.rs:135:59
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn get_byte_at (&mut self, at: usize) -> Option<u8> { self.content.content.get (self.pointer + at).map (|b| *b) }
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer + at).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/bytes_reader.rs:138:54
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn get_byte_at_start (&mut self) -> Option<u8> { self.content.content.get (self.pointer).map (|b| *b) }
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/ioreadeof_reader.rs:142:59
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_byte_at (&mut self, at: usize) -> Option<u8> { self.content.content.get (self.pointer + at).map (|b| *b) }
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer + at).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader/ioreadeof_reader.rs:145:54
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn get_byte_at_start (&mut self) -> Option<u8> { self.content.content.get (self.pointer).map (|b| *b) }
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.content.content.get (self.pointer).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "dab6215e84dd15faf0e432839bd204adc75526e22f5cf0301db91d104f0c83fa"`
[INFO] running `"docker" "rm" "-f" "dab6215e84dd15faf0e432839bd204adc75526e22f5cf0301db91d104f0c83fa"`
[INFO] [stdout] dab6215e84dd15faf0e432839bd204adc75526e22f5cf0301db91d104f0c83fa