[INFO] crate skullrump 0.1.0 is already in cache
[INFO] extracting crate skullrump 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/skullrump/0.1.0
[INFO] extracting crate skullrump 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/skullrump/0.1.0
[INFO] validating manifest of skullrump-0.1.0 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 skullrump-0.1.0 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 skullrump-0.1.0
[INFO] finished frobbing skullrump-0.1.0
[INFO] frobbed toml for skullrump-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/skullrump/0.1.0/Cargo.toml
[INFO] started frobbing skullrump-0.1.0
[INFO] finished frobbing skullrump-0.1.0
[INFO] frobbed toml for skullrump-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/skullrump/0.1.0/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 skullrump-0.1.0 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/skullrump/0.1.0:/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] a441fb5966aed5e0dde78cd7bac33fcc6d82c7699db49f3376c47265bde42e73
[INFO] running `"docker" "start" "-a" "a441fb5966aed5e0dde78cd7bac33fcc6d82c7699db49f3376c47265bde42e73"`
[INFO] [stderr]     Checking skullrump v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/skullrump.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     return Ok(entries);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(entries)`
[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: passing a unit value to a function
[INFO] [stderr]   --> src/skullrump.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |       .and(Ok(buffer_out.clear()))
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]    |
[INFO] [stderr] 46 |       .and(Ok(()))
[INFO] [stderr]    |               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/skullrump.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 |           if let Err(_) = self.seek(SeekFrom::End(-tail_position)) {
[INFO] [stderr]    |  _________-      ^^^^^^
[INFO] [stderr] 91 | |           StreamFlow::Forward
[INFO] [stderr] 92 | |         } else {
[INFO] [stderr] 93 | |           StreamFlow::Backward
[INFO] [stderr] 94 | |         }
[INFO] [stderr]    | |_________- help: try this: `if self.seek(SeekFrom::End(-tail_position)).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/skullrump.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     return Ok(entries);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(entries)`
[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/lib.rs:92:7
[INFO] [stderr]    |
[INFO] [stderr] 92 |       return Ok(CustomType(p1, p2));
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(CustomType(p1, p2))`
[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: passing a unit value to a function
[INFO] [stderr]   --> src/skullrump.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |       .and(Ok(buffer_out.clear()))
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]    |
[INFO] [stderr] 46 |       .and(Ok(()))
[INFO] [stderr]    |               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/skullrump.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 |           if let Err(_) = self.seek(SeekFrom::End(-tail_position)) {
[INFO] [stderr]    |  _________-      ^^^^^^
[INFO] [stderr] 91 | |           StreamFlow::Forward
[INFO] [stderr] 92 | |         } else {
[INFO] [stderr] 93 | |           StreamFlow::Backward
[INFO] [stderr] 94 | |         }
[INFO] [stderr]    | |_________- help: try this: `if self.seek(SeekFrom::End(-tail_position)).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:147:23
[INFO] [stderr]     |
[INFO] [stderr] 147 |     assert_eq!(1i64, *(result.get(0).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:148:23
[INFO] [stderr]     |
[INFO] [stderr] 148 |     assert_eq!(2i64, *(result.get(1).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[1]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:166:23
[INFO] [stderr]     |
[INFO] [stderr] 166 |     assert_eq!(1i64, *(result.get(0).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:167:23
[INFO] [stderr]     |
[INFO] [stderr] 167 |     assert_eq!(2i64, *(result.get(1).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[1]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:200:23
[INFO] [stderr]     |
[INFO] [stderr] 200 |     assert_eq!(1i64, *(result.get(0).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:201:23
[INFO] [stderr]     |
[INFO] [stderr] 201 |     assert_eq!(2i64, *(result.get(1).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[1]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:234:23
[INFO] [stderr]     |
[INFO] [stderr] 234 |     assert_eq!(1i64, *(result.get(0).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:235:23
[INFO] [stderr]     |
[INFO] [stderr] 235 |     assert_eq!(2i64, *(result.get(1).unwrap()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&result[1]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "a441fb5966aed5e0dde78cd7bac33fcc6d82c7699db49f3376c47265bde42e73"`
[INFO] running `"docker" "rm" "-f" "a441fb5966aed5e0dde78cd7bac33fcc6d82c7699db49f3376c47265bde42e73"`
[INFO] [stdout] a441fb5966aed5e0dde78cd7bac33fcc6d82c7699db49f3376c47265bde42e73