[INFO] crate gapbuf 0.1.2 is already in cache
[INFO] extracting crate gapbuf 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/gapbuf/0.1.2
[INFO] extracting crate gapbuf 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gapbuf/0.1.2
[INFO] validating manifest of gapbuf-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 gapbuf-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 gapbuf-0.1.2
[INFO] finished frobbing gapbuf-0.1.2
[INFO] frobbed toml for gapbuf-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/gapbuf/0.1.2/Cargo.toml
[INFO] started frobbing gapbuf-0.1.2
[INFO] finished frobbing gapbuf-0.1.2
[INFO] frobbed toml for gapbuf-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gapbuf/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 gapbuf-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-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/gapbuf/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] a1471043bc9ecbb0c5bc8f4c8877c8b69a71ec339609b9ed2db950f7266e3ad1
[INFO] running `"docker" "start" "-a" "a1471043bc9ecbb0c5bc8f4c8877c8b69a71ec339609b9ed2db950f7266e3ad1"`
[INFO] [stderr]     Checking gapbuf v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/gap_buffer.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 409 | /         let offset;
[INFO] [stderr] 410 | |         if self.gap() <= index {
[INFO] [stderr] 411 | |             self.set_gap(index);
[INFO] [stderr] 412 | |             offset = self.cap - self.len() + index;
[INFO] [stderr] ...   |
[INFO] [stderr] 416 | |             offset = index;
[INFO] [stderr] 417 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let offset = if self.gap() <= index { ..; self.cap - self.len() + index } else { ..; index };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> tests/tests.rs:605:13
[INFO] [stderr]     |
[INFO] [stderr] 605 |             t: t,
[INFO] [stderr]     |             ^^^^ help: replace it with: `t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> tests/tests.rs:606:13
[INFO] [stderr]     |
[INFO] [stderr] 606 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> tests/tests.rs:607:13
[INFO] [stderr]     |
[INFO] [stderr] 607 |             is_panic: is_panic,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `is_panic`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/gap_buffer.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 409 | /         let offset;
[INFO] [stderr] 410 | |         if self.gap() <= index {
[INFO] [stderr] 411 | |             self.set_gap(index);
[INFO] [stderr] 412 | |             offset = self.cap - self.len() + index;
[INFO] [stderr] ...   |
[INFO] [stderr] 416 | |             offset = index;
[INFO] [stderr] 417 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let offset = if self.gap() <= index { ..; self.cap - self.len() + index } else { ..; index };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/benches.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `gapbuf`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> tests/tests.rs:814:5
[INFO] [stderr]     |
[INFO] [stderr] 814 |     buf[4];
[INFO] [stderr]     |     ^^^^^^^ help: replace it with: `buf;4;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a1471043bc9ecbb0c5bc8f4c8877c8b69a71ec339609b9ed2db950f7266e3ad1"`
[INFO] running `"docker" "rm" "-f" "a1471043bc9ecbb0c5bc8f4c8877c8b69a71ec339609b9ed2db950f7266e3ad1"`
[INFO] [stdout] a1471043bc9ecbb0c5bc8f4c8877c8b69a71ec339609b9ed2db950f7266e3ad1