[INFO] crate polyester 0.1.0 is already in cache
[INFO] extracting crate polyester 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/polyester/0.1.0
[INFO] extracting crate polyester 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/polyester/0.1.0
[INFO] validating manifest of polyester-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 polyester-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 polyester-0.1.0
[INFO] finished frobbing polyester-0.1.0
[INFO] frobbed toml for polyester-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/polyester/0.1.0/Cargo.toml
[INFO] started frobbing polyester-0.1.0
[INFO] finished frobbing polyester-0.1.0
[INFO] frobbed toml for polyester-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/polyester/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 polyester-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-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/polyester/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] 30fe199ec7bcaaa8d0284436a6d9e5ef5ad028957c683ee3195f40fb33d11a50
[INFO] running `"docker" "start" "-a" "30fe199ec7bcaaa8d0284436a6d9e5ef5ad028957c683ee3195f40fb33d11a50"`
[INFO] [stderr]     Checking synchronoise v0.4.0
[INFO] [stderr]     Checking coco v0.3.4
[INFO] [stderr]     Checking polyester v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |             cache: cache,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `cache`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 |             signals: signals,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `signals`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/lib.rs:413:9
[INFO] [stderr]     |
[INFO] [stderr] 413 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/lib.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |             cache: cache,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `cache`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 |             signals: signals,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `signals`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/lib.rs:413:9
[INFO] [stderr]     |
[INFO] [stderr] 413 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/lib.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/lib.rs:400:25
[INFO] [stderr]     |
[INFO] [stderr] 400 |         (dur.as_secs(), dur.subsec_nanos() / 1_000_000)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `dur.subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/lib.rs:408:33
[INFO] [stderr]     |
[INFO] [stderr] 408 |         let seq = (0..1_000_000).fold(0usize, |l,r| l+r);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `"docker" "inspect" "30fe199ec7bcaaa8d0284436a6d9e5ef5ad028957c683ee3195f40fb33d11a50"`
[INFO] running `"docker" "rm" "-f" "30fe199ec7bcaaa8d0284436a6d9e5ef5ad028957c683ee3195f40fb33d11a50"`
[INFO] [stdout] 30fe199ec7bcaaa8d0284436a6d9e5ef5ad028957c683ee3195f40fb33d11a50