[INFO] crate ecoji 1.0.0 is already in cache
[INFO] extracting crate ecoji 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/ecoji/1.0.0
[INFO] extracting crate ecoji 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ecoji/1.0.0
[INFO] validating manifest of ecoji-1.0.0 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 ecoji-1.0.0 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 ecoji-1.0.0
[INFO] finished frobbing ecoji-1.0.0
[INFO] frobbed toml for ecoji-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/ecoji/1.0.0/Cargo.toml
[INFO] started frobbing ecoji-1.0.0
[INFO] finished frobbing ecoji-1.0.0
[INFO] frobbed toml for ecoji-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ecoji/1.0.0/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 ecoji-1.0.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/ecoji/1.0.0:/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] 5e01bfa751616c8a7efa4efc73f1a3ab6ee98d4f8485d01e0c35b1eb3936c82a
[INFO] running `"docker" "start" "-a" "5e01bfa751616c8a7efa4efc73f1a3ab6ee98d4f8485d01e0c35b1eb3936c82a"`
[INFO] [stderr]    Compiling ecoji v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> /opt/crater/target/debug/build/ecoji-247843e09d1176fc/out/emojis.rs:1033:10
[INFO] [stderr]      |
[INFO] [stderr] 1033 |     key: 3213172566270843353,
[INFO] [stderr]      |          ^^^^^^^^^^^^^^^^^^^ help: consider: `3_213_172_566_270_843_353`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/chars.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     return UTF8_CHAR_WIDTH[b as usize] as usize;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `UTF8_CHAR_WIDTH[b as usize] 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: length comparison to zero
[INFO] [stderr]  --> src/encode.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     assert!(s.len() > 0 && s.len() <= 5, "Unexpected slice length");
[INFO] [stderr]   |             ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `chars`.
[INFO] [stderr]   --> src/decode.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for i in 1..4 {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for <item> in chars.iter_mut().skip(1) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> /opt/crater/target/debug/build/ecoji-247843e09d1176fc/out/emojis.rs:1033:10
[INFO] [stderr]      |
[INFO] [stderr] 1033 |     key: 3213172566270843353,
[INFO] [stderr]      |          ^^^^^^^^^^^^^^^^^^^ help: consider: `3_213_172_566_270_843_353`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/chars.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     return UTF8_CHAR_WIDTH[b as usize] as usize;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `UTF8_CHAR_WIDTH[b as usize] 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: length comparison to zero
[INFO] [stderr]  --> src/encode.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     assert!(s.len() > 0 && s.len() <= 5, "Unexpected slice length");
[INFO] [stderr]   |             ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/encode.rs:157:41
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let buf = encode_to_string(&mut input.clone()).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let buf = encode_to_string(&mut &(*input).clone()).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let buf = encode_to_string(&mut &[u8]::clone(input)).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/encode.rs:162:41
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let buf = encode_to_string(&mut input.clone()).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let buf = encode_to_string(&mut &(*input).clone()).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let buf = encode_to_string(&mut &[u8]::clone(input)).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `chars`.
[INFO] [stderr]   --> src/decode.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for i in 1..4 {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for <item> in chars.iter_mut().skip(1) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/decode.rs:222:38
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let buf = decode_to_vec(&mut input.clone()).unwrap();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let buf = decode_to_vec(&mut &(*input).clone()).unwrap();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let buf = decode_to_vec(&mut &[u8]::clone(input)).unwrap();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ecoji`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5e01bfa751616c8a7efa4efc73f1a3ab6ee98d4f8485d01e0c35b1eb3936c82a"`
[INFO] running `"docker" "rm" "-f" "5e01bfa751616c8a7efa4efc73f1a3ab6ee98d4f8485d01e0c35b1eb3936c82a"`
[INFO] [stdout] 5e01bfa751616c8a7efa4efc73f1a3ab6ee98d4f8485d01e0c35b1eb3936c82a