[INFO] crate eventsourcing-derive 0.1.1 is already in cache
[INFO] extracting crate eventsourcing-derive 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/eventsourcing-derive/0.1.1
[INFO] extracting crate eventsourcing-derive 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/eventsourcing-derive/0.1.1
[INFO] validating manifest of eventsourcing-derive-0.1.1 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 eventsourcing-derive-0.1.1 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 eventsourcing-derive-0.1.1
[INFO] finished frobbing eventsourcing-derive-0.1.1
[INFO] frobbed toml for eventsourcing-derive-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/eventsourcing-derive/0.1.1/Cargo.toml
[INFO] started frobbing eventsourcing-derive-0.1.1
[INFO] finished frobbing eventsourcing-derive-0.1.1
[INFO] frobbed toml for eventsourcing-derive-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/eventsourcing-derive/0.1.1/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 eventsourcing-derive-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/eventsourcing-derive/0.1.1:/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] 4c4017db61343eb0490eda6a4ae43d90607794e5785d3cf104d8a78f1349b654
[INFO] running `"docker" "start" "-a" "4c4017db61343eb0490eda6a4ae43d90607794e5785d3cf104d8a78f1349b654"`
[INFO] [stderr]     Checking eventsourcing-derive v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             x
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |               let x = syn::parse2::<EventTypeVersionAttribute>(attr.tts.clone())
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 87 | |                 .unwrap()
[INFO] [stderr] 88 | |                 .event_type_version;
[INFO] [stderr]    | |___________________________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             x
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:98:21
[INFO] [stderr]     |
[INFO] [stderr] 98  |               let x = syn::parse2::<EventSourceAttribute>(attr.tts.clone())
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 99  | |                 .unwrap()
[INFO] [stderr] 100 | |                 .event_source;
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             x
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |               let x = syn::parse2::<EventTypeVersionAttribute>(attr.tts.clone())
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 87 | |                 .unwrap()
[INFO] [stderr] 88 | |                 .event_type_version;
[INFO] [stderr]    | |___________________________________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             x
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:98:21
[INFO] [stderr]     |
[INFO] [stderr] 98  |               let x = syn::parse2::<EventSourceAttribute>(attr.tts.clone())
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 99  | |                 .unwrap()
[INFO] [stderr] 100 | |                 .event_source;
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     named!(parse -> Self, map!(
[INFO] [stderr] 58 | |         parens!(syn!(LitStr)),
[INFO] [stderr] 59 | |         |(_, event_source)| EventSourceAttribute { event_source }
[INFO] [stderr] 60 | |     ));
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     named!(parse -> Self, map!(
[INFO] [stderr] 65 | |         parens!(syn!(Path)),
[INFO] [stderr] 66 | |         |(_, aggregate)| AggregateAttribute { aggregate }
[INFO] [stderr] 67 | |     ));
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 | /     named!(parse -> Self, map!(
[INFO] [stderr] 72 | |         parens!(syn!(LitStr)),
[INFO] [stderr] 73 | |         |(_, event_type_version) | EventTypeVersionAttribute { event_type_version }
[INFO] [stderr] 74 | |     ));
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[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 argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:133:11
[INFO] [stderr]     |
[INFO] [stderr] 133 |     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:162:26
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn event_type_name(name: &Ident, variant_id: &Ident) -> String {
[INFO] [stderr]     |                          ^^^^^^ help: consider passing by value instead: `Ident`
[INFO] [stderr]     |
[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:162:46
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn event_type_name(name: &Ident, variant_id: &Ident) -> String {
[INFO] [stderr]     |                                              ^^^^^^ help: consider passing by value instead: `Ident`
[INFO] [stderr]     |
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     named!(parse -> Self, map!(
[INFO] [stderr] 58 | |         parens!(syn!(LitStr)),
[INFO] [stderr] 59 | |         |(_, event_source)| EventSourceAttribute { event_source }
[INFO] [stderr] 60 | |     ));
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     named!(parse -> Self, map!(
[INFO] [stderr] 65 | |         parens!(syn!(Path)),
[INFO] [stderr] 66 | |         |(_, aggregate)| AggregateAttribute { aggregate }
[INFO] [stderr] 67 | |     ));
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[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: redundant closure found
[INFO] [stderr]   --> src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 | /     named!(parse -> Self, map!(
[INFO] [stderr] 72 | |         parens!(syn!(LitStr)),
[INFO] [stderr] 73 | |         |(_, event_type_version) | EventTypeVersionAttribute { event_type_version }
[INFO] [stderr] 74 | |     ));
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[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 argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:133:11
[INFO] [stderr]     |
[INFO] [stderr] 133 |     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:162:26
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn event_type_name(name: &Ident, variant_id: &Ident) -> String {
[INFO] [stderr]     |                          ^^^^^^ help: consider passing by value instead: `Ident`
[INFO] [stderr]     |
[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:162:46
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn event_type_name(name: &Ident, variant_id: &Ident) -> String {
[INFO] [stderr]     |                                              ^^^^^^ help: consider passing by value instead: `Ident`
[INFO] [stderr]     |
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "4c4017db61343eb0490eda6a4ae43d90607794e5785d3cf104d8a78f1349b654"`
[INFO] running `"docker" "rm" "-f" "4c4017db61343eb0490eda6a4ae43d90607794e5785d3cf104d8a78f1349b654"`
[INFO] [stdout] 4c4017db61343eb0490eda6a4ae43d90607794e5785d3cf104d8a78f1349b654