[INFO] crate typesafe-derive-builder 0.1.0 is already in cache
[INFO] extracting crate typesafe-derive-builder 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/typesafe-derive-builder/0.1.0
[INFO] extracting crate typesafe-derive-builder 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/typesafe-derive-builder/0.1.0
[INFO] validating manifest of typesafe-derive-builder-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 typesafe-derive-builder-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 typesafe-derive-builder-0.1.0
[INFO] finished frobbing typesafe-derive-builder-0.1.0
[INFO] frobbed toml for typesafe-derive-builder-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/typesafe-derive-builder/0.1.0/Cargo.toml
[INFO] started frobbing typesafe-derive-builder-0.1.0
[INFO] finished frobbing typesafe-derive-builder-0.1.0
[INFO] frobbed toml for typesafe-derive-builder-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/typesafe-derive-builder/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 typesafe-derive-builder-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-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/typesafe-derive-builder/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] d3aadf66416ebc5c2773da8ca362509e239650263a8303b93987e59593bb15a4
[INFO] running `"docker" "start" "-a" "d3aadf66416ebc5c2773da8ca362509e239650263a8303b93987e59593bb15a4"`
[INFO] [stderr]     Checking typesafe-derive-builder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |       let fields: &Vec<syn::Field> = match &ast.body {
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 29 | |         &syn::Body::Enum(_) => panic!("Cannot derive Builder for enums"),
[INFO] [stderr] 30 | |         &syn::Body::Struct(ref data) => match data {
[INFO] [stderr] 31 | |             &syn::VariantData::Tuple(_) => panic!("Canont derive Builder for Tuple structs"),
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         },
[INFO] [stderr] 35 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let fields: &Vec<syn::Field> = match ast.body {
[INFO] [stderr] 29 |         syn::Body::Enum(_) => panic!("Cannot derive Builder for enums"),
[INFO] [stderr] 30 |         syn::Body::Struct(ref data) => match data {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:30:41
[INFO] [stderr]    |
[INFO] [stderr] 30 |           &syn::Body::Struct(ref data) => match data {
[INFO] [stderr]    |  _________________________________________^
[INFO] [stderr] 31 | |             &syn::VariantData::Tuple(_) => panic!("Canont derive Builder for Tuple structs"),
[INFO] [stderr] 32 | |             &syn::VariantData::Unit => panic!("Cannot derive Builder for unit structs"),
[INFO] [stderr] 33 | |             &syn::VariantData::Struct(ref fields) => fields,
[INFO] [stderr] 34 | |         },
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 30 |         &syn::Body::Struct(ref data) => match *data {
[INFO] [stderr] 31 |             syn::VariantData::Tuple(_) => panic!("Canont derive Builder for Tuple structs"),
[INFO] [stderr] 32 |             syn::VariantData::Unit => panic!("Cannot derive Builder for unit structs"),
[INFO] [stderr] 33 |             syn::VariantData::Struct(ref fields) => fields,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/lib.rs:99:49
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         let generic_type_name = generic_builder_fields.get(idx).unwrap();
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `generic_builder_fields[idx]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |       let fields: &Vec<syn::Field> = match &ast.body {
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 29 | |         &syn::Body::Enum(_) => panic!("Cannot derive Builder for enums"),
[INFO] [stderr] 30 | |         &syn::Body::Struct(ref data) => match data {
[INFO] [stderr] 31 | |             &syn::VariantData::Tuple(_) => panic!("Canont derive Builder for Tuple structs"),
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         },
[INFO] [stderr] 35 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let fields: &Vec<syn::Field> = match ast.body {
[INFO] [stderr] 29 |         syn::Body::Enum(_) => panic!("Cannot derive Builder for enums"),
[INFO] [stderr] 30 |         syn::Body::Struct(ref data) => match data {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:30:41
[INFO] [stderr]    |
[INFO] [stderr] 30 |           &syn::Body::Struct(ref data) => match data {
[INFO] [stderr]    |  _________________________________________^
[INFO] [stderr] 31 | |             &syn::VariantData::Tuple(_) => panic!("Canont derive Builder for Tuple structs"),
[INFO] [stderr] 32 | |             &syn::VariantData::Unit => panic!("Cannot derive Builder for unit structs"),
[INFO] [stderr] 33 | |             &syn::VariantData::Struct(ref fields) => fields,
[INFO] [stderr] 34 | |         },
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 30 |         &syn::Body::Struct(ref data) => match *data {
[INFO] [stderr] 31 |             syn::VariantData::Tuple(_) => panic!("Canont derive Builder for Tuple structs"),
[INFO] [stderr] 32 |             syn::VariantData::Unit => panic!("Cannot derive Builder for unit structs"),
[INFO] [stderr] 33 |             syn::VariantData::Struct(ref fields) => fields,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/lib.rs:99:49
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         let generic_type_name = generic_builder_fields.get(idx).unwrap();
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `generic_builder_fields[idx]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "d3aadf66416ebc5c2773da8ca362509e239650263a8303b93987e59593bb15a4"`
[INFO] running `"docker" "rm" "-f" "d3aadf66416ebc5c2773da8ca362509e239650263a8303b93987e59593bb15a4"`
[INFO] [stdout] d3aadf66416ebc5c2773da8ca362509e239650263a8303b93987e59593bb15a4