[INFO] crate typed_index_derive 0.1.4 is already in cache
[INFO] extracting crate typed_index_derive 0.1.4 into work/ex/clippy-test-run/sources/stable/reg/typed_index_derive/0.1.4
[INFO] extracting crate typed_index_derive 0.1.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/typed_index_derive/0.1.4
[INFO] validating manifest of typed_index_derive-0.1.4 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 typed_index_derive-0.1.4 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 typed_index_derive-0.1.4
[INFO] finished frobbing typed_index_derive-0.1.4
[INFO] frobbed toml for typed_index_derive-0.1.4 written to work/ex/clippy-test-run/sources/stable/reg/typed_index_derive/0.1.4/Cargo.toml
[INFO] started frobbing typed_index_derive-0.1.4
[INFO] finished frobbing typed_index_derive-0.1.4
[INFO] frobbed toml for typed_index_derive-0.1.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/typed_index_derive/0.1.4/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 typed_index_derive-0.1.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/typed_index_derive/0.1.4:/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] 259e681ed30b0c791dfe204c6fb1ba33b51f7fb6e4ea18b23b6f7d786e645390
[INFO] running `"docker" "start" "-a" "259e681ed30b0c791dfe204c6fb1ba33b51f7fb6e4ea18b23b6f7d786e645390"`
[INFO] [stderr]     Checking proc-macro2 v0.4.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking quote v0.6.11
[INFO] [stderr]    Compiling typed_index_derive v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 | /             match meta {
[INFO] [stderr] 162 | |                 syn::NestedMeta::Meta(syn::Meta::Word(word)) => return word,
[INFO] [stderr] 163 | |                 _ => (),
[INFO] [stderr] 164 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let syn::NestedMeta::Meta(syn::Meta::Word(word)) = meta { return word }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 | /     match data {
[INFO] [stderr] 173 | |         syn::Data::Struct(data) => {
[INFO] [stderr] 174 | |             match data.fields {
[INFO] [stderr] 175 | |                 syn::Fields::Unnamed(ref fields) if fields.unnamed.len() == 1 => {
[INFO] [stderr] ...   |
[INFO] [stderr] 182 | |         _ => (),
[INFO] [stderr] 183 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 172 |     if let syn::Data::Struct(data) = data {
[INFO] [stderr] 173 |     match data.fields {
[INFO] [stderr] 174 |         syn::Fields::Unnamed(ref fields) if fields.unnamed.len() == 1 => {
[INFO] [stderr] 175 |             let field = fields.unnamed.first().unwrap().into_value();
[INFO] [stderr] 176 |             return field.ty.clone();
[INFO] [stderr] 177 |         }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 | /             match meta {
[INFO] [stderr] 162 | |                 syn::NestedMeta::Meta(syn::Meta::Word(word)) => return word,
[INFO] [stderr] 163 | |                 _ => (),
[INFO] [stderr] 164 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let syn::NestedMeta::Meta(syn::Meta::Word(word)) = meta { return word }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 | /     match data {
[INFO] [stderr] 173 | |         syn::Data::Struct(data) => {
[INFO] [stderr] 174 | |             match data.fields {
[INFO] [stderr] 175 | |                 syn::Fields::Unnamed(ref fields) if fields.unnamed.len() == 1 => {
[INFO] [stderr] ...   |
[INFO] [stderr] 182 | |         _ => (),
[INFO] [stderr] 183 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 172 |     if let syn::Data::Struct(data) = data {
[INFO] [stderr] 173 |     match data.fields {
[INFO] [stderr] 174 |         syn::Fields::Unnamed(ref fields) if fields.unnamed.len() == 1 => {
[INFO] [stderr] 175 |             let field = fields.unnamed.first().unwrap().into_value();
[INFO] [stderr] 176 |             return field.ty.clone();
[INFO] [stderr] 177 |         }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: equal expressions as operands to `-`
[INFO] [stderr]   --> examples/minimal.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |     assert_eq!(idx - idx, 0usize);
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::eq_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#eq_op
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `typed_index_derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "259e681ed30b0c791dfe204c6fb1ba33b51f7fb6e4ea18b23b6f7d786e645390"`
[INFO] running `"docker" "rm" "-f" "259e681ed30b0c791dfe204c6fb1ba33b51f7fb6e4ea18b23b6f7d786e645390"`
[INFO] [stdout] 259e681ed30b0c791dfe204c6fb1ba33b51f7fb6e4ea18b23b6f7d786e645390