[INFO] crate quest 0.3.0 is already in cache
[INFO] extracting crate quest 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/quest/0.3.0
[INFO] extracting crate quest 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/quest/0.3.0
[INFO] validating manifest of quest-0.3.0 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 quest-0.3.0 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 quest-0.3.0
[INFO] finished frobbing quest-0.3.0
[INFO] frobbed toml for quest-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/quest/0.3.0/Cargo.toml
[INFO] started frobbing quest-0.3.0
[INFO] finished frobbing quest-0.3.0
[INFO] frobbed toml for quest-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/quest/0.3.0/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 quest-0.3.0 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/quest/0.3.0:/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] a8d224511e741cfaa7fea071f8c4bb9929854dc10ab087a4c50158bb6f846200
[INFO] running `"docker" "start" "-a" "a8d224511e741cfaa7fea071f8c4bb9929854dc10ab087a4c50158bb6f846200"`
[INFO] [stderr]     Checking quest v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/interactive/unix.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut new = old.clone();
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: try removing the `clone` call: `old`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |     assert!(items.len() > 0);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!items.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/interactive/unix.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut new = old.clone();
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: try removing the `clone` call: `old`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |     assert!(items.len() > 0);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!items.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> examples/everything.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     match loop {
[INFO] [stderr] 45 | |         quest::ask("Are you the one? [yN] ");
[INFO] [stderr] 46 | |         match quest::yesno(false)? {
[INFO] [stderr] 47 | |             Some(b) => break b,
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         false => println!("I guess not."),
[INFO] [stderr] 53 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 44 |     if loop {
[INFO] [stderr] 45 |         quest::ask("Are you the one? [yN] ");
[INFO] [stderr] 46 |         match quest::yesno(false)? {
[INFO] [stderr] 47 |             Some(b) => break b,
[INFO] [stderr] 48 |             None => (),
[INFO] [stderr] 49 |         }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> examples/everything.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 | /         match quest::yesno(false)? {
[INFO] [stderr] 47 | |             Some(b) => break b,
[INFO] [stderr] 48 | |             None => (),
[INFO] [stderr] 49 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(b) = quest::yesno(false)? { break b }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "a8d224511e741cfaa7fea071f8c4bb9929854dc10ab087a4c50158bb6f846200"`
[INFO] running `"docker" "rm" "-f" "a8d224511e741cfaa7fea071f8c4bb9929854dc10ab087a4c50158bb6f846200"`
[INFO] [stdout] a8d224511e741cfaa7fea071f8c4bb9929854dc10ab087a4c50158bb6f846200