[INFO] crate subdiff 0.1.0 is already in cache
[INFO] extracting crate subdiff 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/subdiff/0.1.0
[INFO] extracting crate subdiff 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/subdiff/0.1.0
[INFO] validating manifest of subdiff-0.1.0 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 subdiff-0.1.0 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 subdiff-0.1.0
[INFO] finished frobbing subdiff-0.1.0
[INFO] frobbed toml for subdiff-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/subdiff/0.1.0/Cargo.toml
[INFO] started frobbing subdiff-0.1.0
[INFO] finished frobbing subdiff-0.1.0
[INFO] frobbed toml for subdiff-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/subdiff/0.1.0/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 subdiff-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/subdiff/0.1.0:/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] 471950ae58b643208e87a21367be4908739cc039df852c0178291cfe6a10888d
[INFO] running `"docker" "start" "-a" "471950ae58b643208e87a21367be4908739cc039df852c0178291cfe6a10888d"`
[INFO] [stderr]     Checking lcs-diff v0.1.1
[INFO] [stderr]     Checking subdiff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `enum_variant_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/wdiff.rs:58:44
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::enum_variant_names`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `enum_variant_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/wdiff.rs:58:44
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::enum_variant_names`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `HasCharacterClass` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/wdiff.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | / pub trait HasCharacterClass {
[INFO] [stderr] 92 | |     type Item : Clone + PartialEq;
[INFO] [stderr] 93 | |     fn cc(&self) -> CharacterClass<Self::Item>;
[INFO] [stderr] 94 | |     fn len(&self) -> usize;
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/wdiff.rs:457:12
[INFO] [stderr]     |
[INFO] [stderr] 457 |         if words.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!words.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: lint name `enum_variant_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/wdiff.rs:58:44
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::enum_variant_names`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `enum_variant_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/wdiff.rs:58:44
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::enum_variant_names`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `HasCharacterClass` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/wdiff.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | / pub trait HasCharacterClass {
[INFO] [stderr] 92 | |     type Item : Clone + PartialEq;
[INFO] [stderr] 93 | |     fn cc(&self) -> CharacterClass<Self::Item>;
[INFO] [stderr] 94 | |     fn len(&self) -> usize;
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/wdiff.rs:457:12
[INFO] [stderr]     |
[INFO] [stderr] 457 |         if words.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!words.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: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/tests.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         io::stderr().write(&our_output).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/tests.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         io::stderr().write(&expected).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tests.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         out.write(s1.as_bytes()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tests.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         io::stderr().write(b"Got: `").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tests.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         io::stderr().write(&out).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `subdiff`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "471950ae58b643208e87a21367be4908739cc039df852c0178291cfe6a10888d"`
[INFO] running `"docker" "rm" "-f" "471950ae58b643208e87a21367be4908739cc039df852c0178291cfe6a10888d"`
[INFO] [stdout] 471950ae58b643208e87a21367be4908739cc039df852c0178291cfe6a10888d