[INFO] updating cached repository tombruijn/backup-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tombruijn/backup-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tombruijn/backup-rust" "work/ex/clippy-test-run/sources/stable/gh/tombruijn/backup-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tombruijn/backup-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tombruijn/backup-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tombruijn/backup-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tombruijn/backup-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29cd685a96cebc514aaae6651ea2797a05a40ff0
[INFO] sha for GitHub repo tombruijn/backup-rust: 29cd685a96cebc514aaae6651ea2797a05a40ff0
[INFO] validating manifest of tombruijn/backup-rust 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 tombruijn/backup-rust 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 tombruijn/backup-rust
[INFO] finished frobbing tombruijn/backup-rust
[INFO] frobbed toml for tombruijn/backup-rust written to work/ex/clippy-test-run/sources/stable/gh/tombruijn/backup-rust/Cargo.toml
[INFO] started frobbing tombruijn/backup-rust
[INFO] finished frobbing tombruijn/backup-rust
[INFO] frobbed toml for tombruijn/backup-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tombruijn/backup-rust/Cargo.toml
[INFO] crate tombruijn/backup-rust has a lockfile. skipping
[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 tombruijn/backup-rust 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-0/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/gh/tombruijn/backup-rust:/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] a50c15b071ad312414c54acf1f7ff7fda286009f070ed3a427363d2178ae8967
[INFO] running `"docker" "start" "-a" "a50c15b071ad312414c54acf1f7ff7fda286009f070ed3a427363d2178ae8967"`
[INFO] [stderr]     Checking backup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     return match command.spawn() {
[INFO] [stderr] 21 | |         Err(why) => panic!("couldn't spawn tar: {}", why.description()),
[INFO] [stderr] 22 | |         Ok(process) => process,
[INFO] [stderr] 23 | |     };
[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] 20 |     match command.spawn() {
[INFO] [stderr] 21 |         Err(why) => panic!("couldn't spawn tar: {}", why.description()),
[INFO] [stderr] 22 |         Ok(process) => process,
[INFO] [stderr] 23 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     return match command.spawn() {
[INFO] [stderr] 31 | |         Err(why) => panic!("couldn't spawn gzip: {}", why.description()),
[INFO] [stderr] 32 | |         Ok(process) => process,
[INFO] [stderr] 33 | |     };
[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] 30 |     match command.spawn() {
[INFO] [stderr] 31 |         Err(why) => panic!("couldn't spawn gzip: {}", why.description()),
[INFO] [stderr] 32 |         Ok(process) => process,
[INFO] [stderr] 33 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 Ok(size) => return size,
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: remove `return` as shown: `size`
[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:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     return match command.spawn() {
[INFO] [stderr] 21 | |         Err(why) => panic!("couldn't spawn tar: {}", why.description()),
[INFO] [stderr] 22 | |         Ok(process) => process,
[INFO] [stderr] 23 | |     };
[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] 20 |     match command.spawn() {
[INFO] [stderr] 21 |         Err(why) => panic!("couldn't spawn tar: {}", why.description()),
[INFO] [stderr] 22 |         Ok(process) => process,
[INFO] [stderr] 23 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     return match command.spawn() {
[INFO] [stderr] 31 | |         Err(why) => panic!("couldn't spawn gzip: {}", why.description()),
[INFO] [stderr] 32 | |         Ok(process) => process,
[INFO] [stderr] 33 | |     };
[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] 30 |     match command.spawn() {
[INFO] [stderr] 31 |         Err(why) => panic!("couldn't spawn gzip: {}", why.description()),
[INFO] [stderr] 32 |         Ok(process) => process,
[INFO] [stderr] 33 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 Ok(size) => return size,
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: remove `return` as shown: `size`
[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 0.71s
[INFO] running `"docker" "inspect" "a50c15b071ad312414c54acf1f7ff7fda286009f070ed3a427363d2178ae8967"`
[INFO] running `"docker" "rm" "-f" "a50c15b071ad312414c54acf1f7ff7fda286009f070ed3a427363d2178ae8967"`
[INFO] [stdout] a50c15b071ad312414c54acf1f7ff7fda286009f070ed3a427363d2178ae8967