[INFO] crate pipe-logger-lib 1.1.5 is already in cache
[INFO] extracting crate pipe-logger-lib 1.1.5 into work/ex/clippy-test-run/sources/stable/reg/pipe-logger-lib/1.1.5
[INFO] extracting crate pipe-logger-lib 1.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pipe-logger-lib/1.1.5
[INFO] validating manifest of pipe-logger-lib-1.1.5 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 pipe-logger-lib-1.1.5 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 pipe-logger-lib-1.1.5
[INFO] finished frobbing pipe-logger-lib-1.1.5
[INFO] frobbed toml for pipe-logger-lib-1.1.5 written to work/ex/clippy-test-run/sources/stable/reg/pipe-logger-lib/1.1.5/Cargo.toml
[INFO] started frobbing pipe-logger-lib-1.1.5
[INFO] finished frobbing pipe-logger-lib-1.1.5
[INFO] frobbed toml for pipe-logger-lib-1.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pipe-logger-lib/1.1.5/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 pipe-logger-lib-1.1.5 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/pipe-logger-lib/1.1.5:/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] d361b1c81c25ddfbdbe867a611b16cfa3b8e9d481cdcddb1a6fd12d61631dd9b
[INFO] running `"docker" "start" "-a" "d361b1c81c25ddfbdbe867a611b16cfa3b8e9d481cdcddb1a6fd12d61631dd9b"`
[INFO] [stderr]     Checking pipe-logger-lib v1.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:205:69
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let file_path = self.log_path.as_ref().absolutize().map_err(|err| PipeLoggerBuilderError::IOError(err))?;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PipeLoggerBuilderError::IOError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:269:59
[INFO] [stderr]     |
[INFO] [stderr] 269 |         let file_name_point_index = match file_name.rfind(".") {
[INFO] [stderr]     |                                                           ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:298:91
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 let rotated_log_file_name_point_index = match rotated_log_file_name.rfind(".") {
[INFO] [stderr]     |                                                                                           ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:335:39
[INFO] [stderr]     |
[INFO] [stderr] 335 |             .open(&file_path).map_err(|err| PipeLoggerBuilderError::IOError(err))?;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PipeLoggerBuilderError::IOError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:489:72
[INFO] [stderr]     |
[INFO] [stderr] 489 |                                                                 if let Err(_) = fs::remove_file(&rotated_log_file) {}
[INFO] [stderr]     |                                                                 -------^^^^^^---------------------------------------- help: try this: `if fs::remove_file(&rotated_log_file).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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:507:68
[INFO] [stderr]     |
[INFO] [stderr] 507 |                                                             if let Err(_) = fs::remove_file(&rotated_log_file_compressed) {}
[INFO] [stderr]     |                                                             -------^^^^^^--------------------------------------------------- help: try this: `if fs::remove_file(&rotated_log_file_compressed).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:519:56
[INFO] [stderr]     |
[INFO] [stderr] 519 |                                                 if let Err(_) = fs::remove_file(&rotated_log_file_compressed) {}
[INFO] [stderr]     |                                                 -------^^^^^^--------------------------------------------------- help: try this: `if fs::remove_file(&rotated_log_file_compressed).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:538:40
[INFO] [stderr]     |
[INFO] [stderr] 538 |                                 if let Err(_) = fs::remove_file(Path::join(&self.folder_path, Path::new(&rotated_log_file_name))) {}
[INFO] [stderr]     |                                 -------^^^^^^--------------------------------------------------------------------------------------- help: try this: `if fs::remove_file(Path::join(&self.folder_path, Path::new(&rotated_log_file_name))).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:547:40
[INFO] [stderr]     |
[INFO] [stderr] 547 |                                 if let Err(_) = fs::remove_file(&p_compressed) {}
[INFO] [stderr]     |                                 -------^^^^^^------------------------------------ help: try this: `if fs::remove_file(&p_compressed).is_err()`
[INFO] [stderr]     |
[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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:205:69
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let file_path = self.log_path.as_ref().absolutize().map_err(|err| PipeLoggerBuilderError::IOError(err))?;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PipeLoggerBuilderError::IOError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:269:59
[INFO] [stderr]     |
[INFO] [stderr] 269 |         let file_name_point_index = match file_name.rfind(".") {
[INFO] [stderr]     |                                                           ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:298:91
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 let rotated_log_file_name_point_index = match rotated_log_file_name.rfind(".") {
[INFO] [stderr]     |                                                                                           ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:335:39
[INFO] [stderr]     |
[INFO] [stderr] 335 |             .open(&file_path).map_err(|err| PipeLoggerBuilderError::IOError(err))?;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PipeLoggerBuilderError::IOError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:489:72
[INFO] [stderr]     |
[INFO] [stderr] 489 |                                                                 if let Err(_) = fs::remove_file(&rotated_log_file) {}
[INFO] [stderr]     |                                                                 -------^^^^^^---------------------------------------- help: try this: `if fs::remove_file(&rotated_log_file).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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:507:68
[INFO] [stderr]     |
[INFO] [stderr] 507 |                                                             if let Err(_) = fs::remove_file(&rotated_log_file_compressed) {}
[INFO] [stderr]     |                                                             -------^^^^^^--------------------------------------------------- help: try this: `if fs::remove_file(&rotated_log_file_compressed).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:519:56
[INFO] [stderr]     |
[INFO] [stderr] 519 |                                                 if let Err(_) = fs::remove_file(&rotated_log_file_compressed) {}
[INFO] [stderr]     |                                                 -------^^^^^^--------------------------------------------------- help: try this: `if fs::remove_file(&rotated_log_file_compressed).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:538:40
[INFO] [stderr]     |
[INFO] [stderr] 538 |                                 if let Err(_) = fs::remove_file(Path::join(&self.folder_path, Path::new(&rotated_log_file_name))) {}
[INFO] [stderr]     |                                 -------^^^^^^--------------------------------------------------------------------------------------- help: try this: `if fs::remove_file(Path::join(&self.folder_path, Path::new(&rotated_log_file_name))).is_err()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:547:40
[INFO] [stderr]     |
[INFO] [stderr] 547 |                                 if let Err(_) = fs::remove_file(&p_compressed) {}
[INFO] [stderr]     |                                 -------^^^^^^------------------------------------ help: try this: `if fs::remove_file(&p_compressed).is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `"docker" "inspect" "d361b1c81c25ddfbdbe867a611b16cfa3b8e9d481cdcddb1a6fd12d61631dd9b"`
[INFO] running `"docker" "rm" "-f" "d361b1c81c25ddfbdbe867a611b16cfa3b8e9d481cdcddb1a6fd12d61631dd9b"`
[INFO] [stdout] d361b1c81c25ddfbdbe867a611b16cfa3b8e9d481cdcddb1a6fd12d61631dd9b