[INFO] crate ruby-sys 0.3.0 is already in cache
[INFO] extracting crate ruby-sys 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/ruby-sys/0.3.0
[INFO] extracting crate ruby-sys 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ruby-sys/0.3.0
[INFO] validating manifest of ruby-sys-0.3.0 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 ruby-sys-0.3.0 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 ruby-sys-0.3.0
[INFO] finished frobbing ruby-sys-0.3.0
[INFO] frobbed toml for ruby-sys-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/ruby-sys/0.3.0/Cargo.toml
[INFO] started frobbing ruby-sys-0.3.0
[INFO] finished frobbing ruby-sys-0.3.0
[INFO] frobbed toml for ruby-sys-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ruby-sys/0.3.0/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 ruby-sys-0.3.0 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/ruby-sys/0.3.0:/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] 94d2ad7bc896cac4b3a1cb54885ef307eaf9ecc2bcda699afe1228ff3848a8e8
[INFO] running `"docker" "start" "-a" "94d2ad7bc896cac4b3a1cb54885ef307eaf9ecc2bcda699afe1228ff3848a8e8"`
[INFO] [stderr]    Compiling ruby-sys v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: transmute from an integer to a pointer
[INFO] [stderr]   --> src/array.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let rarray: *const RArray = mem::transmute(value.value);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `value.value as *const array::RArray`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from an integer to a pointer
[INFO] [stderr]   --> src/string.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let rstring: *const RString = mem::transmute(value.value);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `value.value as *const string::RString`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/value.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn is_true(&self) -> bool {
[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/value.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn is_false(&self) -> bool {
[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/value.rs:92:19
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn is_nil(&self) -> bool {
[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/value.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn is_undef(&self) -> bool {
[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/value.rs:100:22
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn is_symbol(&self) -> bool {
[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/value.rs:104:22
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_fixnum(&self) -> bool {
[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/value.rs:108:22
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn is_flonum(&self) -> bool {
[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/value.rs:113:15
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn ty(&self) -> ValueType {
[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/value.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn is_immediate(&self) -> bool {
[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/value.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn test(&self) -> bool {
[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/value.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn builtin_type(&self) -> ValueType {
[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: transmute from an integer to a pointer
[INFO] [stderr]    --> src/value.rs:151:40
[INFO] [stderr]     |
[INFO] [stderr] 151 |             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.value as *const types::RBasic`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from an integer to a pointer
[INFO] [stderr]   --> src/array.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let rarray: *const RArray = mem::transmute(value.value);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `value.value as *const array::RArray`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from an integer to a pointer
[INFO] [stderr]   --> src/string.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let rstring: *const RString = mem::transmute(value.value);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `value.value as *const string::RString`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/value.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn is_true(&self) -> bool {
[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/value.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn is_false(&self) -> bool {
[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/value.rs:92:19
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn is_nil(&self) -> bool {
[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/value.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn is_undef(&self) -> bool {
[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/value.rs:100:22
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn is_symbol(&self) -> bool {
[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/value.rs:104:22
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_fixnum(&self) -> bool {
[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/value.rs:108:22
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn is_flonum(&self) -> bool {
[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/value.rs:113:15
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn ty(&self) -> ValueType {
[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/value.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn is_immediate(&self) -> bool {
[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/value.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn test(&self) -> bool {
[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/value.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn builtin_type(&self) -> ValueType {
[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: transmute from an integer to a pointer
[INFO] [stderr]    --> src/value.rs:151:40
[INFO] [stderr]     |
[INFO] [stderr] 151 |             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.value as *const types::RBasic`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "94d2ad7bc896cac4b3a1cb54885ef307eaf9ecc2bcda699afe1228ff3848a8e8"`
[INFO] running `"docker" "rm" "-f" "94d2ad7bc896cac4b3a1cb54885ef307eaf9ecc2bcda699afe1228ff3848a8e8"`
[INFO] [stdout] 94d2ad7bc896cac4b3a1cb54885ef307eaf9ecc2bcda699afe1228ff3848a8e8