[INFO] crate veclist 0.1.2 is already in cache
[INFO] extracting crate veclist 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/veclist/0.1.2
[INFO] extracting crate veclist 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/veclist/0.1.2
[INFO] validating manifest of veclist-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 veclist-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 veclist-0.1.2
[INFO] finished frobbing veclist-0.1.2
[INFO] frobbed toml for veclist-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/veclist/0.1.2/Cargo.toml
[INFO] started frobbing veclist-0.1.2
[INFO] finished frobbing veclist-0.1.2
[INFO] frobbed toml for veclist-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/veclist/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 veclist-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-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/veclist/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] cc863f7f5e1ba6045019a139a600676d10431b49dbdf3522b470e6f4ee1eb606
[INFO] running `"docker" "start" "-a" "cc863f7f5e1ba6045019a139a600676d10431b49dbdf3522b470e6f4ee1eb606"`
[INFO] [stderr]     Checking veclist v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | /         match *self {
[INFO] [stderr] 28 | |             Node::Vacant(_) => return None,
[INFO] [stderr] 29 | |             _ => {}
[INFO] [stderr] 30 | |         };
[INFO] [stderr]    | |_________^ help: try this: `if let Node::Vacant(_) = *self { return None }`
[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] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | /         match *self {
[INFO] [stderr] 28 | |             Node::Vacant(_) => return None,
[INFO] [stderr] 29 | |             _ => {}
[INFO] [stderr] 30 | |         };
[INFO] [stderr]    | |_________^ help: try this: `if let Node::Vacant(_) = *self { return None }`
[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] warning: the loop variable `i` is used to index `veclist`
[INFO] [stderr]    --> src/lib.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |         for i in 6..10 {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 163 |         for (i, <item>) in veclist.iter().enumerate().take(10).skip(6) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `veclist`
[INFO] [stderr]    --> src/lib.rs:184:18
[INFO] [stderr]     |
[INFO] [stderr] 184 |         for i in 0..5 {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 184 |         for (i, <item>) in veclist.iter().enumerate().take(5) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "cc863f7f5e1ba6045019a139a600676d10431b49dbdf3522b470e6f4ee1eb606"`
[INFO] running `"docker" "rm" "-f" "cc863f7f5e1ba6045019a139a600676d10431b49dbdf3522b470e6f4ee1eb606"`
[INFO] [stdout] cc863f7f5e1ba6045019a139a600676d10431b49dbdf3522b470e6f4ee1eb606