[INFO] crate hexplay 0.2.1 is already in cache
[INFO] extracting crate hexplay 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/hexplay/0.2.1
[INFO] extracting crate hexplay 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hexplay/0.2.1
[INFO] validating manifest of hexplay-0.2.1 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 hexplay-0.2.1 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 hexplay-0.2.1
[INFO] finished frobbing hexplay-0.2.1
[INFO] frobbed toml for hexplay-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/hexplay/0.2.1/Cargo.toml
[INFO] started frobbing hexplay-0.2.1
[INFO] finished frobbing hexplay-0.2.1
[INFO] frobbed toml for hexplay-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hexplay/0.2.1/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 hexplay-0.2.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hexplay/0.2.1:/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] 475e893f177554e5e3bf3247fc4cdd1d195bee1c9f7e0a62734ed9cf7bfd875b
[INFO] running `"docker" "start" "-a" "475e893f177554e5e3bf3247fc4cdd1d195bee1c9f7e0a62734ed9cf7bfd875b"`
[INFO] [stderr]     Checking hexplay v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/format.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[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: using `writeln!(buffer, "")`
[INFO] [stderr]   --> src/format.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             writeln!(buffer, "")?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(buffer)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             colors: colors,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `colors`
[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/format.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[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: using `writeln!(buffer, "")`
[INFO] [stderr]   --> src/format.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             writeln!(buffer, "")?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(buffer)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             colors: colors,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `colors`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/byte_mapping.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const CODEPAGE_ASCII: &'static [char]  = &[
[INFO] [stderr]    |                           -^^^^^^^------- help: consider removing `'static`: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/byte_mapping.rs:34:27
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub const CODEPAGE_0850: &'static [char]  = &[
[INFO] [stderr]    |                          -^^^^^^^------- help: consider removing `'static`: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/byte_mapping.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const CODEPAGE_1252: &'static [char] = &[
[INFO] [stderr]    |                          -^^^^^^^------- help: consider removing `'static`: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/byte_mapping.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     return codepage[byte as usize];
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `codepage[byte as usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/byte_mapping.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const CODEPAGE_ASCII: &'static [char]  = &[
[INFO] [stderr]    |                           -^^^^^^^------- help: consider removing `'static`: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/byte_mapping.rs:34:27
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub const CODEPAGE_0850: &'static [char]  = &[
[INFO] [stderr]    |                          -^^^^^^^------- help: consider removing `'static`: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/byte_mapping.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const CODEPAGE_1252: &'static [char] = &[
[INFO] [stderr]    |                          -^^^^^^^------- help: consider removing `'static`: `&[char]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/byte_mapping.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     return codepage[byte as usize];
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `codepage[byte as usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/color.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(colors: &'a Colors) -> Self {
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/format.rs:292:29
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let data: Vec<u8> = (0x40..0x40 + 0xF + 1).collect();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0x40..=0x40 + 0xF)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/format.rs:305:21
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let data = ['a' as u8; 10];
[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/format.rs:318:21
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let data = ['a' as u8; 11];
[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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/format.rs:333:21
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let data = ['a' as u8; 8];
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/color.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(colors: &'a Colors) -> Self {
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `hexplay`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "475e893f177554e5e3bf3247fc4cdd1d195bee1c9f7e0a62734ed9cf7bfd875b"`
[INFO] running `"docker" "rm" "-f" "475e893f177554e5e3bf3247fc4cdd1d195bee1c9f7e0a62734ed9cf7bfd875b"`
[INFO] [stdout] 475e893f177554e5e3bf3247fc4cdd1d195bee1c9f7e0a62734ed9cf7bfd875b