[INFO] crate error-chain-mini-derive 0.2.0 is already in cache
[INFO] extracting crate error-chain-mini-derive 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/error-chain-mini-derive/0.2.0
[INFO] extracting crate error-chain-mini-derive 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/error-chain-mini-derive/0.2.0
[INFO] validating manifest of error-chain-mini-derive-0.2.0 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 error-chain-mini-derive-0.2.0 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 error-chain-mini-derive-0.2.0
[INFO] finished frobbing error-chain-mini-derive-0.2.0
[INFO] frobbed toml for error-chain-mini-derive-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/error-chain-mini-derive/0.2.0/Cargo.toml
[INFO] started frobbing error-chain-mini-derive-0.2.0
[INFO] finished frobbing error-chain-mini-derive-0.2.0
[INFO] frobbed toml for error-chain-mini-derive-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/error-chain-mini-derive/0.2.0/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 error-chain-mini-derive-0.2.0 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-4/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/error-chain-mini-derive/0.2.0:/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] c6062e3b0445ab5070db0af3a0c4528f90a7df62f9b9a107fe38ee25a2cddb81
[INFO] running `"docker" "start" "-a" "c6062e3b0445ab5070db0af3a0c4528f90a7df62f9b9a107fe38ee25a2cddb81"`
[INFO] [stderr]     Checking syn v0.13.11
[INFO] [stderr]     Checking synstructure v0.8.1
[INFO] [stderr]     Checking error-chain-mini-derive v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:115:43
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if ident.as_ref().starts_with("_") {
[INFO] [stderr]     |                                           ^^^ help: try using a char instead: `'_'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:123:18
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 .into_iter()
[INFO] [stderr]     |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:115:43
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if ident.as_ref().starts_with("_") {
[INFO] [stderr]     |                                           ^^^ help: try using a char instead: `'_'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:123:18
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 .into_iter()
[INFO] [stderr]     |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.33s
[INFO] running `"docker" "inspect" "c6062e3b0445ab5070db0af3a0c4528f90a7df62f9b9a107fe38ee25a2cddb81"`
[INFO] running `"docker" "rm" "-f" "c6062e3b0445ab5070db0af3a0c4528f90a7df62f9b9a107fe38ee25a2cddb81"`
[INFO] [stdout] c6062e3b0445ab5070db0af3a0c4528f90a7df62f9b9a107fe38ee25a2cddb81