[INFO] crate read_transform 0.1.0 is already in cache
[INFO] extracting crate read_transform 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/read_transform/0.1.0
[INFO] extracting crate read_transform 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/read_transform/0.1.0
[INFO] validating manifest of read_transform-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 read_transform-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 read_transform-0.1.0
[INFO] finished frobbing read_transform-0.1.0
[INFO] frobbed toml for read_transform-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/read_transform/0.1.0/Cargo.toml
[INFO] started frobbing read_transform-0.1.0
[INFO] finished frobbing read_transform-0.1.0
[INFO] frobbed toml for read_transform-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/read_transform/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 read_transform-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-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/read_transform/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] 3a7195088e321668042ec6690ddf857df34b1fc46dcf6c73463874294242a927
[INFO] running `"docker" "start" "-a" "3a7195088e321668042ec6690ddf857df34b1fc46dcf6c73463874294242a927"`
[INFO] [stderr]     Checking read_transform v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |                   return Some((
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 180 | |                     buffer
[INFO] [stderr] 181 | |                         .iter()
[INFO] [stderr] 182 | |                         .map(|x| {
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |                     buffer.len(),
[INFO] [stderr] 189 | |                 ));
[INFO] [stderr]     | |___________________^
[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] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 Some((
[INFO] [stderr] 180 |                     buffer
[INFO] [stderr] 181 |                         .iter()
[INFO] [stderr] 182 |                         .map(|x| {
[INFO] [stderr] 183 |                             if x % 2 == 0 {
[INFO] [stderr] 184 |                                 return 0;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:186:8
[INFO] [stderr]     |
[INFO] [stderr] 186 |                             return *x;
[INFO] [stderr]     |                             ^^^^^^^^^^ help: remove `return` as shown: `*x`
[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/lib.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 return Some((buf, buffer.len()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((buf, buffer.len()))`
[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/lib.rs:207:7
[INFO] [stderr]     |
[INFO] [stderr] 207 |                         return *x % 2 == 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `*x % 2 == 0`
[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/lib.rs:230:5
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 return Some((out, 4));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((out, 4))`
[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/lib.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 return Some((out, 4));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((out, 4))`
[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/lib.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 return Some((out, 2));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((out, 2))`
[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/lib.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |                 return Some((out, buffer.len()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((out, buffer.len()))`
[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/lib.rs:284:7
[INFO] [stderr]     |
[INFO] [stderr] 284 |                         return x;
[INFO] [stderr]     |                         ^^^^^^^^^ help: remove `return` as shown: `x`
[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/lib.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |                 return Some((buf, buffer.len()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((buf, buffer.len()))`
[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/lib.rs:302:7
[INFO] [stderr]     |
[INFO] [stderr] 302 |                         return *x % 2 == 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `*x % 2 == 0`
[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/lib.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 return Some((buf, buffer.len()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((buf, buffer.len()))`
[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/lib.rs:322:7
[INFO] [stderr]     |
[INFO] [stderr] 322 |                         return *x % 2 == 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `*x % 2 == 0`
[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 1.04s
[INFO] running `"docker" "inspect" "3a7195088e321668042ec6690ddf857df34b1fc46dcf6c73463874294242a927"`
[INFO] running `"docker" "rm" "-f" "3a7195088e321668042ec6690ddf857df34b1fc46dcf6c73463874294242a927"`
[INFO] [stdout] 3a7195088e321668042ec6690ddf857df34b1fc46dcf6c73463874294242a927