[INFO] updating cached repository fcantournet/adventofcode2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fcantournet/adventofcode2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fcantournet/adventofcode2017" "work/ex/clippy-test-run/sources/stable/gh/fcantournet/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/fcantournet/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fcantournet/adventofcode2017" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fcantournet/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fcantournet/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35632086dabdc3bd7765a45d25647fbe6fd9b6c6
[INFO] sha for GitHub repo fcantournet/adventofcode2017: 35632086dabdc3bd7765a45d25647fbe6fd9b6c6
[INFO] validating manifest of fcantournet/adventofcode2017 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 fcantournet/adventofcode2017 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 fcantournet/adventofcode2017
[INFO] finished frobbing fcantournet/adventofcode2017
[INFO] frobbed toml for fcantournet/adventofcode2017 written to work/ex/clippy-test-run/sources/stable/gh/fcantournet/adventofcode2017/Cargo.toml
[INFO] started frobbing fcantournet/adventofcode2017
[INFO] finished frobbing fcantournet/adventofcode2017
[INFO] frobbed toml for fcantournet/adventofcode2017 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fcantournet/adventofcode2017/Cargo.toml
[INFO] crate fcantournet/adventofcode2017 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 fcantournet/adventofcode2017 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/fcantournet/adventofcode2017:/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] adb6240f0429fe01af049626a5c74bf7a73210969108f1a8e78b83ea19773790
[INFO] running `"docker" "start" "-a" "adb6240f0429fe01af049626a5c74bf7a73210969108f1a8e78b83ea19773790"`
[INFO] [stderr]     Checking aoc2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/day1.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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/bin/day1.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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/bin/day2.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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/bin/day2.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/bin/day1.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn captcha(input: &String) -> u32 {
[INFO] [stderr]   |                   ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/bin/day1.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn captcha2(input: &String) -> u32 {
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/bin/day2.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn checksum(text: &String) -> i32 {
[INFO] [stderr]    |                   ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/day2.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/bin/day2.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn checksum2(text: &String) -> i32 {
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/day2.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/bin/day2.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn checksum(text: &String) -> i32 {
[INFO] [stderr]    |                   ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/day1.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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/bin/day1.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return total
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `total`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/bin/day2.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn checksum2(text: &String) -> i32 {
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/bin/day1.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn captcha(input: &String) -> u32 {
[INFO] [stderr]   |                   ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/bin/day1.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn captcha2(input: &String) -> u32 {
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "adb6240f0429fe01af049626a5c74bf7a73210969108f1a8e78b83ea19773790"`
[INFO] running `"docker" "rm" "-f" "adb6240f0429fe01af049626a5c74bf7a73210969108f1a8e78b83ea19773790"`
[INFO] [stdout] adb6240f0429fe01af049626a5c74bf7a73210969108f1a8e78b83ea19773790