[INFO] crate crate-compile-test 0.2.0 is already in cache
[INFO] extracting crate crate-compile-test 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/crate-compile-test/0.2.0
[INFO] extracting crate crate-compile-test 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/crate-compile-test/0.2.0
[INFO] validating manifest of crate-compile-test-0.2.0 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 crate-compile-test-0.2.0 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 crate-compile-test-0.2.0
[INFO] finished frobbing crate-compile-test-0.2.0
[INFO] frobbed toml for crate-compile-test-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/crate-compile-test/0.2.0/Cargo.toml
[INFO] started frobbing crate-compile-test-0.2.0
[INFO] finished frobbing crate-compile-test-0.2.0
[INFO] frobbed toml for crate-compile-test-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/crate-compile-test/0.2.0/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 crate-compile-test-0.2.0 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/crate-compile-test/0.2.0:/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] e3a7dfd5bf5b764568c00c7019187cb64d463c1af607b463b745660cf72575c0
[INFO] running `"docker" "start" "-a" "e3a7dfd5bf5b764568c00c7019187cb64d463c1af607b463b745660cf72575c0"`
[INFO] [stderr]     Checking crate-compile-test v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error: using `writeln!(self.output.lock().unwrap(), "")`
[INFO] [stderr]    --> src/runner.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             writeln!(self.output.lock().unwrap(), "")?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(self.output.lock().unwrap())`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(clippy::writeln_empty_string)] implied by #[deny(warnings)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] error: using `writeln!(self.output.lock().unwrap(), "")`
[INFO] [stderr]    --> src/runner.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             writeln!(self.output.lock().unwrap(), "")?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(self.output.lock().unwrap())`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(clippy::writeln_empty_string)] implied by #[deny(warnings)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `crate-compile-test`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `crate-compile-test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e3a7dfd5bf5b764568c00c7019187cb64d463c1af607b463b745660cf72575c0"`
[INFO] running `"docker" "rm" "-f" "e3a7dfd5bf5b764568c00c7019187cb64d463c1af607b463b745660cf72575c0"`
[INFO] [stdout] e3a7dfd5bf5b764568c00c7019187cb64d463c1af607b463b745660cf72575c0