[INFO] crate uq 0.1.2 is already in cache
[INFO] extracting crate uq 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/uq/0.1.2
[INFO] extracting crate uq 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/uq/0.1.2
[INFO] validating manifest of uq-0.1.2 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 uq-0.1.2 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 uq-0.1.2
[INFO] finished frobbing uq-0.1.2
[INFO] frobbed toml for uq-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/uq/0.1.2/Cargo.toml
[INFO] started frobbing uq-0.1.2
[INFO] finished frobbing uq-0.1.2
[INFO] frobbed toml for uq-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/uq/0.1.2/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 uq-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/uq/0.1.2:/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] db9937c0036e5f7ec7143624d51d6f9fe5ce6d86e46bd136e24769ecca6c479b
[INFO] running `"docker" "start" "-a" "db9937c0036e5f7ec7143624d51d6f9fe5ce6d86e46bd136e24769ecca6c479b"`
[INFO] [stderr]     Checking uq v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Box::new(move |line| lines.insert(line.clone()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Box::new(move |line| lines.insert(line.clone()))`
[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/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     return Box::new(move |line| {
[INFO] [stderr] 36 | |         if lines.insert(line.clone()) {
[INFO] [stderr] 37 | |             if lines.len() > capacity {
[INFO] [stderr] 38 | |                 panic!("Cache capacity exceeded!");
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |         return false;
[INFO] [stderr] 43 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Box::new(move |line| {
[INFO] [stderr] 36 |         if lines.insert(line.clone()) {
[INFO] [stderr] 37 |             if lines.len() > capacity {
[INFO] [stderr] 38 |                 panic!("Cache capacity exceeded!");
[INFO] [stderr] 39 |             }
[INFO] [stderr] 40 |             return true;
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[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/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     return Box::new(move |line| {
[INFO] [stderr] 51 | |         if set.insert(line.clone()) {
[INFO] [stderr] 52 | |             if set.len() > capacity {
[INFO] [stderr] 53 | |                 set.remove(&queue.pop_front().unwrap());
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |         return false;
[INFO] [stderr] 60 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Box::new(move |line| {
[INFO] [stderr] 51 |         if set.insert(line.clone()) {
[INFO] [stderr] 52 |             if set.len() > capacity {
[INFO] [stderr] 53 |                 set.remove(&queue.pop_front().unwrap());
[INFO] [stderr] 54 |             }
[INFO] [stderr] 55 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[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/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Box::new(move |line| lines.insert(line.clone()));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Box::new(move |line| lines.insert(line.clone()))`
[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/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     return Box::new(move |line| {
[INFO] [stderr] 36 | |         if lines.insert(line.clone()) {
[INFO] [stderr] 37 | |             if lines.len() > capacity {
[INFO] [stderr] 38 | |                 panic!("Cache capacity exceeded!");
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |         return false;
[INFO] [stderr] 43 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Box::new(move |line| {
[INFO] [stderr] 36 |         if lines.insert(line.clone()) {
[INFO] [stderr] 37 |             if lines.len() > capacity {
[INFO] [stderr] 38 |                 panic!("Cache capacity exceeded!");
[INFO] [stderr] 39 |             }
[INFO] [stderr] 40 |             return true;
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[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/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     return Box::new(move |line| {
[INFO] [stderr] 51 | |         if set.insert(line.clone()) {
[INFO] [stderr] 52 | |             if set.len() > capacity {
[INFO] [stderr] 53 | |                 set.remove(&queue.pop_front().unwrap());
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |         return false;
[INFO] [stderr] 60 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Box::new(move |line| {
[INFO] [stderr] 51 |         if set.insert(line.clone()) {
[INFO] [stderr] 52 |             if set.len() > capacity {
[INFO] [stderr] 53 |                 set.remove(&queue.pop_front().unwrap());
[INFO] [stderr] 54 |             }
[INFO] [stderr] 55 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "db9937c0036e5f7ec7143624d51d6f9fe5ce6d86e46bd136e24769ecca6c479b"`
[INFO] running `"docker" "rm" "-f" "db9937c0036e5f7ec7143624d51d6f9fe5ce6d86e46bd136e24769ecca6c479b"`
[INFO] [stdout] db9937c0036e5f7ec7143624d51d6f9fe5ce6d86e46bd136e24769ecca6c479b