[INFO] crate uenc 0.1.2 is already in cache
[INFO] extracting crate uenc 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/uenc/0.1.2
[INFO] extracting crate uenc 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/uenc/0.1.2
[INFO] validating manifest of uenc-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 uenc-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 uenc-0.1.2
[INFO] finished frobbing uenc-0.1.2
[INFO] frobbed toml for uenc-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/uenc/0.1.2/Cargo.toml
[INFO] started frobbing uenc-0.1.2
[INFO] finished frobbing uenc-0.1.2
[INFO] frobbed toml for uenc-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/uenc/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 uenc-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-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/uenc/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] f394e7a63c5cdf1432e04741d08bdc69486834d989b50ca09f43f6af4dd0c60c
[INFO] running `"docker" "start" "-a" "f394e7a63c5cdf1432e04741d08bdc69486834d989b50ca09f43f6af4dd0c60c"`
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking uenc v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/uenc.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     return percent_encode(str.as_bytes(),
[INFO] [stderr] 65 | |                           FORM_URLENCODED_ENCODE_SET);
[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] 64 |     percent_encode(str.as_bytes(),
[INFO] [stderr] 65 |                           FORM_URLENCODED_ENCODE_SET)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/uenc.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     return percent_encode(str.as_bytes(),
[INFO] [stderr] 65 | |                           FORM_URLENCODED_ENCODE_SET);
[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] 64 |     percent_encode(str.as_bytes(),
[INFO] [stderr] 65 |                           FORM_URLENCODED_ENCODE_SET)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/udec.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return lossy_utf8_percent_decode(str.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lossy_utf8_percent_decode(str.as_bytes())`
[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/udec.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn decode(str: &String) -> String {
[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: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/uenc.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     let last = buffer.chars().skip(len-1).next().unwrap();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/udec.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return lossy_utf8_percent_decode(str.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lossy_utf8_percent_decode(str.as_bytes())`
[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: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/uenc.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     let last = buffer.chars().skip(len-1).next().unwrap();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/udec.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn decode(str: &String) -> String {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `"docker" "inspect" "f394e7a63c5cdf1432e04741d08bdc69486834d989b50ca09f43f6af4dd0c60c"`
[INFO] running `"docker" "rm" "-f" "f394e7a63c5cdf1432e04741d08bdc69486834d989b50ca09f43f6af4dd0c60c"`
[INFO] [stdout] f394e7a63c5cdf1432e04741d08bdc69486834d989b50ca09f43f6af4dd0c60c