[INFO] crate structopt-toml-derive 0.3.0 is already in cache
[INFO] extracting crate structopt-toml-derive 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/structopt-toml-derive/0.3.0
[INFO] extracting crate structopt-toml-derive 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/structopt-toml-derive/0.3.0
[INFO] validating manifest of structopt-toml-derive-0.3.0 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 structopt-toml-derive-0.3.0 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 structopt-toml-derive-0.3.0
[INFO] finished frobbing structopt-toml-derive-0.3.0
[INFO] frobbed toml for structopt-toml-derive-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/structopt-toml-derive/0.3.0/Cargo.toml
[INFO] started frobbing structopt-toml-derive-0.3.0
[INFO] finished frobbing structopt-toml-derive-0.3.0
[INFO] frobbed toml for structopt-toml-derive-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/structopt-toml-derive/0.3.0/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 structopt-toml-derive-0.3.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/structopt-toml-derive/0.3.0:/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 -Dclippy::into_iter_on_array" "-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] e27e6a113fd3e72dcb87255b97b0a01216ffe2a79a2f1174409e61443f98b4ec
[INFO] running `"docker" "start" "-a" "e27e6a113fd3e72dcb87255b97b0a01216ffe2a79a2f1174409e61443f98b4ec"`
[INFO] [stderr]     Checking structopt-toml-derive v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |     name: &Ident,
[INFO] [stderr]    |           ^^^^^^ help: consider passing by value instead: `Ident`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |     name: &Ident,
[INFO] [stderr]    |           ^^^^^^ help: consider passing by value instead: `Ident`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/lib.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 | /                 match quote!(#path) == quote!(structopt) {
[INFO] [stderr] 69 | |                     true => Some(
[INFO] [stderr] 70 | |                         attr.interpret_meta()
[INFO] [stderr] 71 | |                         .expect(&format!("invalid structopt syntax: {}", quote!(attr)))
[INFO] [stderr] 72 | |                         ),
[INFO] [stderr] 73 | |                     false => None,
[INFO] [stderr] 74 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 if quote!(#path) == quote!(structopt) { Some(
[INFO] [stderr] 69 | attr.interpret_meta()
[INFO] [stderr] 70 | .expect(&format!("invalid structopt syntax: {}", quote!(attr)))
[INFO] [stderr] 71 | ) } else { None }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/lib.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |                         .expect(&format!("invalid structopt syntax: {}", quote!(attr)))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("invalid structopt syntax: {}", quote!(attr)))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lib.rs:85:61
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut structopt_name = LitStr::new(&format!("{}", field.ident.unwrap().clone()), field.ident.unwrap().span);
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `field.ident.unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[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:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 | /             match attr {
[INFO] [stderr] 88 | |                 NameValue(MetaNameValue { ident, lit: Str(value), .. }) => {
[INFO] [stderr] 89 | |                     if ident == "name" {
[INFO] [stderr] 90 | |                         structopt_name = value;
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |                 _ => ()
[INFO] [stderr] 94 | |             }
[INFO] [stderr]    | |_____________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 87 |             if let NameValue(MetaNameValue { ident, lit: Str(value), .. }) = attr {
[INFO] [stderr] 88 |     if ident == "name" {
[INFO] [stderr] 89 |         structopt_name = value;
[INFO] [stderr] 90 |     }
[INFO] [stderr] 91 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/lib.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 | /                 match quote!(#path) == quote!(structopt) {
[INFO] [stderr] 69 | |                     true => Some(
[INFO] [stderr] 70 | |                         attr.interpret_meta()
[INFO] [stderr] 71 | |                         .expect(&format!("invalid structopt syntax: {}", quote!(attr)))
[INFO] [stderr] 72 | |                         ),
[INFO] [stderr] 73 | |                     false => None,
[INFO] [stderr] 74 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 if quote!(#path) == quote!(structopt) { Some(
[INFO] [stderr] 69 | attr.interpret_meta()
[INFO] [stderr] 70 | .expect(&format!("invalid structopt syntax: {}", quote!(attr)))
[INFO] [stderr] 71 | ) } else { None }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/lib.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |                         .expect(&format!("invalid structopt syntax: {}", quote!(attr)))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("invalid structopt syntax: {}", quote!(attr)))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lib.rs:85:61
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut structopt_name = LitStr::new(&format!("{}", field.ident.unwrap().clone()), field.ident.unwrap().span);
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `field.ident.unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[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:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 | /             match attr {
[INFO] [stderr] 88 | |                 NameValue(MetaNameValue { ident, lit: Str(value), .. }) => {
[INFO] [stderr] 89 | |                     if ident == "name" {
[INFO] [stderr] 90 | |                         structopt_name = value;
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |                 _ => ()
[INFO] [stderr] 94 | |             }
[INFO] [stderr]    | |_____________^
[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] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 87 |             if let NameValue(MetaNameValue { ident, lit: Str(value), .. }) = attr {
[INFO] [stderr] 88 |     if ident == "name" {
[INFO] [stderr] 89 |         structopt_name = value;
[INFO] [stderr] 90 |     }
[INFO] [stderr] 91 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "e27e6a113fd3e72dcb87255b97b0a01216ffe2a79a2f1174409e61443f98b4ec"`
[INFO] running `"docker" "rm" "-f" "e27e6a113fd3e72dcb87255b97b0a01216ffe2a79a2f1174409e61443f98b4ec"`
[INFO] [stdout] e27e6a113fd3e72dcb87255b97b0a01216ffe2a79a2f1174409e61443f98b4ec