[INFO] crate enum-methods 0.0.8 is already in cache
[INFO] extracting crate enum-methods 0.0.8 into work/ex/clippy-test-run/sources/stable/reg/enum-methods/0.0.8
[INFO] extracting crate enum-methods 0.0.8 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/enum-methods/0.0.8
[INFO] validating manifest of enum-methods-0.0.8 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 enum-methods-0.0.8 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 enum-methods-0.0.8
[INFO] finished frobbing enum-methods-0.0.8
[INFO] frobbed toml for enum-methods-0.0.8 written to work/ex/clippy-test-run/sources/stable/reg/enum-methods/0.0.8/Cargo.toml
[INFO] started frobbing enum-methods-0.0.8
[INFO] finished frobbing enum-methods-0.0.8
[INFO] frobbed toml for enum-methods-0.0.8 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/enum-methods/0.0.8/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 enum-methods-0.0.8 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-4/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/enum-methods/0.0.8:/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] 2efb61f082e4f623b6f468ba0ad2404511d427788fe02e2be0ff5672921f9527
[INFO] running `"docker" "start" "-a" "2efb61f082e4f623b6f468ba0ad2404511d427788fe02e2be0ff5672921f9527"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking enum-methods v0.0.8 (/opt/crater/workdir)
[INFO] [stderr] error[E0602]: unknown lint: `clippy::into_iter_on_array`
[INFO] [stderr]   |
[INFO] [stderr]   = note: requested on the command line with `-D clippy::into_iter_on_array`
[INFO] [stderr] 
[INFO] [stderr] error[E0602]: unknown lint: `clippy::into_iter_on_array`
[INFO] [stderr]   |
[INFO] [stderr]   = note: requested on the command line with `-D clippy::into_iter_on_array`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0602`.
[INFO] [stderr] error: Could not compile `unicode-xid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0602`.
[INFO] [stderr] error: Could not compile `quote`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]  --> src/getters.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let ref name = ast.ident;
[INFO] [stderr]   |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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/getters.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let ref name = ast.ident;
[INFO] [stderr]     |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/getters.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let ref name = ast.ident;
[INFO] [stderr]     |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]  --> src/is_a.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let ref name = ast.ident;
[INFO] [stderr]   |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/is_a.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let ref name = ast.ident;
[INFO] [stderr]    |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/is_a.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let ref name = ast.ident;
[INFO] [stderr]    |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/util.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |             buffer: vec!['a' as u8],
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'a'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/util.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if self.buffer[last_char] < 'z' as u8 {
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'z'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/util.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |             self.buffer.push('a' as u8);
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'a'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]  --> src/getters.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let ref name = ast.ident;
[INFO] [stderr]   |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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/getters.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let ref name = ast.ident;
[INFO] [stderr]     |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/getters.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let ref name = ast.ident;
[INFO] [stderr]     |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]  --> src/is_a.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let ref name = ast.ident;
[INFO] [stderr]   |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/is_a.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let ref name = ast.ident;
[INFO] [stderr]    |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/is_a.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let ref name = ast.ident;
[INFO] [stderr]    |     ----^^^^^^^^------------- help: try: `let name = &ast.ident;`
[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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/util.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |             buffer: vec!['a' as u8],
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'a'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/util.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if self.buffer[last_char] < 'z' as u8 {
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'z'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/util.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |             self.buffer.push('a' as u8);
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'a'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2efb61f082e4f623b6f468ba0ad2404511d427788fe02e2be0ff5672921f9527"`
[INFO] running `"docker" "rm" "-f" "2efb61f082e4f623b6f468ba0ad2404511d427788fe02e2be0ff5672921f9527"`
[INFO] [stdout] 2efb61f082e4f623b6f468ba0ad2404511d427788fe02e2be0ff5672921f9527