[INFO] crate bidir-map 1.0.0 is already in cache
[INFO] extracting crate bidir-map 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/bidir-map/1.0.0
[INFO] extracting crate bidir-map 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bidir-map/1.0.0
[INFO] validating manifest of bidir-map-1.0.0 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 bidir-map-1.0.0 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 bidir-map-1.0.0
[INFO] finished frobbing bidir-map-1.0.0
[INFO] frobbed toml for bidir-map-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/bidir-map/1.0.0/Cargo.toml
[INFO] started frobbing bidir-map-1.0.0
[INFO] finished frobbing bidir-map-1.0.0
[INFO] frobbed toml for bidir-map-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bidir-map/1.0.0/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 bidir-map-1.0.0 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/bidir-map/1.0.0:/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] 127c13e1e0a53061ad6bebc08a818a5ea18f689830b0100ce44a9507ed9f809f
[INFO] running `"docker" "start" "-a" "127c13e1e0a53061ad6bebc08a818a5ea18f689830b0100ce44a9507ed9f809f"`
[INFO] [stderr]     Checking bidir-map v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:429:3
[INFO] [stderr]     |
[INFO] [stderr] 429 |         return self.cont.into_iter()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.cont.into_iter()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:429:3
[INFO] [stderr]     |
[INFO] [stderr] 429 |         return self.cont.into_iter()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.cont.into_iter()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]   --> tests/lib.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     map[ByFirst("fdsa")];
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]   --> tests/lib.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     map[&ByFirst("fdsa")];
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "127c13e1e0a53061ad6bebc08a818a5ea18f689830b0100ce44a9507ed9f809f"`
[INFO] running `"docker" "rm" "-f" "127c13e1e0a53061ad6bebc08a818a5ea18f689830b0100ce44a9507ed9f809f"`
[INFO] [stdout] 127c13e1e0a53061ad6bebc08a818a5ea18f689830b0100ce44a9507ed9f809f