[INFO] crate trace2_macro 0.1.0 is already in cache
[INFO] extracting crate trace2_macro 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/trace2_macro/0.1.0
[INFO] extracting crate trace2_macro 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/trace2_macro/0.1.0
[INFO] validating manifest of trace2_macro-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 trace2_macro-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 trace2_macro-0.1.0
[INFO] finished frobbing trace2_macro-0.1.0
[INFO] frobbed toml for trace2_macro-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/trace2_macro/0.1.0/Cargo.toml
[INFO] started frobbing trace2_macro-0.1.0
[INFO] finished frobbing trace2_macro-0.1.0
[INFO] frobbed toml for trace2_macro-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/trace2_macro/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 trace2_macro-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-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/trace2_macro/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] 44bed685c217edc6a0a00ba8198920b05d7beebb7e5812e60923dafc9250b6a8
[INFO] running `"docker" "start" "-a" "44bed685c217edc6a0a00ba8198920b05d7beebb7e5812e60923dafc9250b6a8"`
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking trace2_macro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> codegen.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if ident.ident.to_string() != "self" {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `*ident.ident`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> folder.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 if last.ident.to_string() == "trace2" {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `*last.ident`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> folder.rs:99:16
[INFO] [stderr]     |
[INFO] [stderr] 99  |           if let Some(_) = some_config {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 100 | |             // we are folding from a larger scope, ignore this
[INFO] [stderr] 101 | |             if self.scope > FoldScope::Fn {
[INFO] [stderr] 102 | |                 return i;
[INFO] [stderr] 103 | |             }
[INFO] [stderr] 104 | |         }
[INFO] [stderr]     | |_________- help: try this: `if some_config.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> folder.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |           if let Some(_) = some_config {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 114 | |             // we are folding from a larger scope, ignore this
[INFO] [stderr] 115 | |             if self.scope > FoldScope::Fn {
[INFO] [stderr] 116 | |                 return i;
[INFO] [stderr] 117 | |             }
[INFO] [stderr] 118 | |         }
[INFO] [stderr]     | |_________- help: try this: `if some_config.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> folder.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |           if let Some(_) = some_config {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 141 | |             // we are folding from a larger scope, ignore this
[INFO] [stderr] 142 | |             if self.scope > FoldScope::Impl {
[INFO] [stderr] 143 | |                 return i;
[INFO] [stderr] 144 | |             }
[INFO] [stderr] 145 | |         }
[INFO] [stderr]     | |_________- help: try this: `if some_config.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> folder.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 | /     named!(parse -> Self, do_parse!(
[INFO] [stderr] 181 | |         config: option!(parens!(syn!(Config))) >>
[INFO] [stderr] 182 | |         (AttrTTS(config.map(|pair| pair.1).unwrap_or_default()))
[INFO] [stderr] 183 | |     ));
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> codegen.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if ident.ident.to_string() != "self" {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `*ident.ident`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> folder.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 if last.ident.to_string() == "trace2" {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try: `*last.ident`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> folder.rs:99:16
[INFO] [stderr]     |
[INFO] [stderr] 99  |           if let Some(_) = some_config {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 100 | |             // we are folding from a larger scope, ignore this
[INFO] [stderr] 101 | |             if self.scope > FoldScope::Fn {
[INFO] [stderr] 102 | |                 return i;
[INFO] [stderr] 103 | |             }
[INFO] [stderr] 104 | |         }
[INFO] [stderr]     | |_________- help: try this: `if some_config.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> folder.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |           if let Some(_) = some_config {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 114 | |             // we are folding from a larger scope, ignore this
[INFO] [stderr] 115 | |             if self.scope > FoldScope::Fn {
[INFO] [stderr] 116 | |                 return i;
[INFO] [stderr] 117 | |             }
[INFO] [stderr] 118 | |         }
[INFO] [stderr]     | |_________- help: try this: `if some_config.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> folder.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |           if let Some(_) = some_config {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 141 | |             // we are folding from a larger scope, ignore this
[INFO] [stderr] 142 | |             if self.scope > FoldScope::Impl {
[INFO] [stderr] 143 | |                 return i;
[INFO] [stderr] 144 | |             }
[INFO] [stderr] 145 | |         }
[INFO] [stderr]     | |_________- help: try this: `if some_config.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> folder.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 | /     named!(parse -> Self, do_parse!(
[INFO] [stderr] 181 | |         config: option!(parens!(syn!(Config))) >>
[INFO] [stderr] 182 | |         (AttrTTS(config.map(|pair| pair.1).unwrap_or_default()))
[INFO] [stderr] 183 | |     ));
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.56s
[INFO] running `"docker" "inspect" "44bed685c217edc6a0a00ba8198920b05d7beebb7e5812e60923dafc9250b6a8"`
[INFO] running `"docker" "rm" "-f" "44bed685c217edc6a0a00ba8198920b05d7beebb7e5812e60923dafc9250b6a8"`
[INFO] [stdout] 44bed685c217edc6a0a00ba8198920b05d7beebb7e5812e60923dafc9250b6a8