[INFO] crate rs-graph-derive 0.14.1 is already in cache
[INFO] extracting crate rs-graph-derive 0.14.1 into work/ex/clippy-test-run/sources/stable/reg/rs-graph-derive/0.14.1
[INFO] extracting crate rs-graph-derive 0.14.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rs-graph-derive/0.14.1
[INFO] validating manifest of rs-graph-derive-0.14.1 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 rs-graph-derive-0.14.1 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 rs-graph-derive-0.14.1
[INFO] finished frobbing rs-graph-derive-0.14.1
[INFO] frobbed toml for rs-graph-derive-0.14.1 written to work/ex/clippy-test-run/sources/stable/reg/rs-graph-derive/0.14.1/Cargo.toml
[INFO] started frobbing rs-graph-derive-0.14.1
[INFO] finished frobbing rs-graph-derive-0.14.1
[INFO] frobbed toml for rs-graph-derive-0.14.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rs-graph-derive/0.14.1/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 rs-graph-derive-0.14.1 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/rs-graph-derive/0.14.1:/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] 6fd42c901b547496b84a65f46570a1afdad997fed4ae12ff6f9e211cc46e23bc
[INFO] running `"docker" "start" "-a" "6fd42c901b547496b84a65f46570a1afdad997fed4ae12ff6f9e211cc46e23bc"`
[INFO] [stderr]    Compiling rs-graph v0.14.2
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking rs-graph-derive v0.14.1 (/opt/crater/workdir)
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]    --> src/lib.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |               if &field
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 102 | |                 .ident
[INFO] [stderr] 103 | |                 .as_ref()
[INFO] [stderr] 104 | |                 .map(|id| id.to_string())
[INFO] [stderr] 105 | |                 .unwrap_or_else(|| String::new()) == &"graph"
[INFO] [stderr]     | |_____________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]     |
[INFO] [stderr] 101 |             if field
[INFO] [stderr] 102 |                 .ident
[INFO] [stderr] 103 |                 .as_ref()
[INFO] [stderr] 104 |                 .map(|id| id.to_string())
[INFO] [stderr] 105 |                 .unwrap_or_else(|| String::new()) == "graph"
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 .unwrap_or_else(|| String::new()) == &"graph"
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::new`
[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] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> src/lib.rs:110:53
[INFO] [stderr]     |
[INFO] [stderr] 110 |               } else if field.attrs.iter().any(|attr| {
[INFO] [stderr]     |  _____________________________________________________^
[INFO] [stderr] 111 | |                 attr.path.segments.len() == 1
[INFO] [stderr] 112 | |                     && attr.path.segments.first().unwrap().into_value().ident
[INFO] [stderr] 113 | |                         == syn::Ident::new("graph", Span::call_site())
[INFO] [stderr] 114 | |             }) {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]    --> src/lib.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |               if &field
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 102 | |                 .ident
[INFO] [stderr] 103 | |                 .as_ref()
[INFO] [stderr] 104 | |                 .map(|id| id.to_string())
[INFO] [stderr] 105 | |                 .unwrap_or_else(|| String::new()) == &"graph"
[INFO] [stderr]     | |_____________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]     |
[INFO] [stderr] 101 |             if field
[INFO] [stderr] 102 |                 .ident
[INFO] [stderr] 103 |                 .as_ref()
[INFO] [stderr] 104 |                 .map(|id| id.to_string())
[INFO] [stderr] 105 |                 .unwrap_or_else(|| String::new()) == "graph"
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 .unwrap_or_else(|| String::new()) == &"graph"
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::new`
[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] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> src/lib.rs:110:53
[INFO] [stderr]     |
[INFO] [stderr] 110 |               } else if field.attrs.iter().any(|attr| {
[INFO] [stderr]     |  _____________________________________________________^
[INFO] [stderr] 111 | |                 attr.path.segments.len() == 1
[INFO] [stderr] 112 | |                     && attr.path.segments.first().unwrap().into_value().ident
[INFO] [stderr] 113 | |                         == syn::Ident::new("graph", Span::call_site())
[INFO] [stderr] 114 | |             }) {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `"docker" "inspect" "6fd42c901b547496b84a65f46570a1afdad997fed4ae12ff6f9e211cc46e23bc"`
[INFO] running `"docker" "rm" "-f" "6fd42c901b547496b84a65f46570a1afdad997fed4ae12ff6f9e211cc46e23bc"`
[INFO] [stdout] 6fd42c901b547496b84a65f46570a1afdad997fed4ae12ff6f9e211cc46e23bc