[INFO] crate field-ref 0.2.0 is already in cache
[INFO] extracting crate field-ref 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/field-ref/0.2.0
[INFO] extracting crate field-ref 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/field-ref/0.2.0
[INFO] validating manifest of field-ref-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 field-ref-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 field-ref-0.2.0
[INFO] finished frobbing field-ref-0.2.0
[INFO] frobbed toml for field-ref-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/field-ref/0.2.0/Cargo.toml
[INFO] started frobbing field-ref-0.2.0
[INFO] finished frobbing field-ref-0.2.0
[INFO] frobbed toml for field-ref-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/field-ref/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 field-ref-0.2.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/field-ref/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 -Dclippy::into_iter_on_array" "-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] 89580adfc0b0ed0a9caf05945968f9f6e4a08c16986827c0a3cc94e284240331
[INFO] running `"docker" "start" "-a" "89580adfc0b0ed0a9caf05945968f9f6e4a08c16986827c0a3cc94e284240331"`
[INFO] [stderr]     Checking field-ref v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn offset(&self) -> usize {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:246:21
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn chain<V>(&self, fr: FieldRef<U, V>) -> FieldRef<T, V> {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:251:29
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn as_opt_field_ref(&self) -> FieldRefAsOptionFieldRef<T, U> {
[INFO] [stderr]     |                             ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn offset(&self) -> usize {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:246:21
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn chain<V>(&self, fr: FieldRef<U, V>) -> FieldRef<T, V> {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:251:29
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn as_opt_field_ref(&self) -> FieldRefAsOptionFieldRef<T, U> {
[INFO] [stderr]     |                             ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `foo`
[INFO] [stderr]    --> src/lib.rs:688:17
[INFO] [stderr]     |
[INFO] [stderr] 688 |         let mut foo = Foo(10, 20);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::blacklisted_name)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `bar`
[INFO] [stderr]    --> src/lib.rs:703:13
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let bar = Bar{ foo: Foo(10, 20), x: 30 };
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:666:13
[INFO] [stderr]     |
[INFO] [stderr] 666 |           |e| if let &$($mut)* $e { $f: ref $($mut)* x, .. } = e {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 667 | |             Some(&$($mut)*(*x) $(.$fs)*)
[INFO] [stderr] 668 | |         } else {
[INFO] [stderr] 669 | |             None
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] ...
[INFO] [stderr] 760 |           let fr1 = opt_field_ref_of!(E::A{1});
[INFO] [stderr]     |                     -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:666:13
[INFO] [stderr]     |
[INFO] [stderr] 666 |           |e| if let &$($mut)* $e { $f: ref $($mut)* x, .. } = e {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 667 | |             Some(&$($mut)*(*x) $(.$fs)*)
[INFO] [stderr] 668 | |         } else {
[INFO] [stderr] 669 | |             None
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] ...
[INFO] [stderr] 760 |           let fr1 = opt_field_ref_of!(E::A{1});
[INFO] [stderr]     |                     -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:666:13
[INFO] [stderr]     |
[INFO] [stderr] 666 |           |e| if let &$($mut)* $e { $f: ref $($mut)* x, .. } = e {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 667 | |             Some(&$($mut)*(*x) $(.$fs)*)
[INFO] [stderr] 668 | |         } else {
[INFO] [stderr] 669 | |             None
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] ...
[INFO] [stderr] 761 |           let fr2 = opt_field_ref_of!(E::B{x});
[INFO] [stderr]     |                     -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:666:13
[INFO] [stderr]     |
[INFO] [stderr] 666 |           |e| if let &$($mut)* $e { $f: ref $($mut)* x, .. } = e {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 667 | |             Some(&$($mut)*(*x) $(.$fs)*)
[INFO] [stderr] 668 | |         } else {
[INFO] [stderr] 669 | |             None
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] ...
[INFO] [stderr] 761 |           let fr2 = opt_field_ref_of!(E::B{x});
[INFO] [stderr]     |                     -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:666:13
[INFO] [stderr]     |
[INFO] [stderr] 666 |           |e| if let &$($mut)* $e { $f: ref $($mut)* x, .. } = e {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 667 | |             Some(&$($mut)*(*x) $(.$fs)*)
[INFO] [stderr] 668 | |         } else {
[INFO] [stderr] 669 | |             None
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] ...
[INFO] [stderr] 777 |           let fr1 = opt_field_ref_of!(sub::E2::X{0});
[INFO] [stderr]     |                     -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:666:13
[INFO] [stderr]     |
[INFO] [stderr] 666 |           |e| if let &$($mut)* $e { $f: ref $($mut)* x, .. } = e {
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 667 | |             Some(&$($mut)*(*x) $(.$fs)*)
[INFO] [stderr] 668 | |         } else {
[INFO] [stderr] 669 | |             None
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] ...
[INFO] [stderr] 777 |           let fr1 = opt_field_ref_of!(sub::E2::X{0});
[INFO] [stderr]     |                     -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "89580adfc0b0ed0a9caf05945968f9f6e4a08c16986827c0a3cc94e284240331"`
[INFO] running `"docker" "rm" "-f" "89580adfc0b0ed0a9caf05945968f9f6e4a08c16986827c0a3cc94e284240331"`
[INFO] [stdout] 89580adfc0b0ed0a9caf05945968f9f6e4a08c16986827c0a3cc94e284240331