[INFO] crate verbose_bird 0.2.2 is already in cache
[INFO] extracting crate verbose_bird 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/verbose_bird/0.2.2
[INFO] extracting crate verbose_bird 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/verbose_bird/0.2.2
[INFO] validating manifest of verbose_bird-0.2.2 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 verbose_bird-0.2.2 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 verbose_bird-0.2.2
[INFO] finished frobbing verbose_bird-0.2.2
[INFO] frobbed toml for verbose_bird-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/verbose_bird/0.2.2/Cargo.toml
[INFO] started frobbing verbose_bird-0.2.2
[INFO] finished frobbing verbose_bird-0.2.2
[INFO] frobbed toml for verbose_bird-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/verbose_bird/0.2.2/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 verbose_bird-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/verbose_bird/0.2.2:/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] c750f951c2e876e806c0c8b7c072559f68c1720460d31ddb2da791550717d613
[INFO] running `"docker" "start" "-a" "c750f951c2e876e806c0c8b7c072559f68c1720460d31ddb2da791550717d613"`
[INFO] [stderr]     Checking verbose_bird v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:196:70
[INFO] [stderr]     |
[INFO] [stderr] 196 |             fn info(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                               ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:201:70
[INFO] [stderr]     |
[INFO] [stderr] 201 |             fn warn(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                               ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:206:71
[INFO] [stderr]     |
[INFO] [stderr] 206 |             fn error(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                                ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:211:73
[INFO] [stderr]     |
[INFO] [stderr] 211 |             fn success(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                                  ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:196:70
[INFO] [stderr]     |
[INFO] [stderr] 196 |             fn info(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                               ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:201:70
[INFO] [stderr]     |
[INFO] [stderr] 201 |             fn warn(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                               ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:206:71
[INFO] [stderr]     |
[INFO] [stderr] 206 |             fn error(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                                ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:211:73
[INFO] [stderr]     |
[INFO] [stderr] 211 |             fn success(struct_name: &str, message_content: &str, variable: &str) -> ()
[INFO] [stderr]     |                                                                                  ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "c750f951c2e876e806c0c8b7c072559f68c1720460d31ddb2da791550717d613"`
[INFO] running `"docker" "rm" "-f" "c750f951c2e876e806c0c8b7c072559f68c1720460d31ddb2da791550717d613"`
[INFO] [stdout] c750f951c2e876e806c0c8b7c072559f68c1720460d31ddb2da791550717d613