[INFO] crate temp_testdir 0.2.2 is already in cache
[INFO] extracting crate temp_testdir 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/temp_testdir/0.2.2
[INFO] extracting crate temp_testdir 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/temp_testdir/0.2.2
[INFO] validating manifest of temp_testdir-0.2.2 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 temp_testdir-0.2.2 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 temp_testdir-0.2.2
[INFO] finished frobbing temp_testdir-0.2.2
[INFO] frobbed toml for temp_testdir-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/temp_testdir/0.2.2/Cargo.toml
[INFO] started frobbing temp_testdir-0.2.2
[INFO] finished frobbing temp_testdir-0.2.2
[INFO] frobbed toml for temp_testdir-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/temp_testdir/0.2.2/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 temp_testdir-0.2.2 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/temp_testdir/0.2.2:/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 -Dclippy::into_iter_on_array" "-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] 27a3d97fb43fd60fc5e91e3250e04862e1add014859c4335a747efb33be8f60f
[INFO] running `"docker" "start" "-a" "27a3d97fb43fd60fc5e91e3250e04862e1add014859c4335a747efb33be8f60f"`
[INFO] [stderr]     Checking temp_testdir v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:53:34
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 path.extension().unwrap_or(OsStr::new(""))
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| OsStr::new(""))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:85:10
[INFO] [stderr]    |
[INFO] [stderr] 85 |         .unwrap_or(OsString::from(RSTEST_TEMP_DIR_ROOT_DEFAULT))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| OsString::from(RSTEST_TEMP_DIR_ROOT_DEFAULT))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:91:10
[INFO] [stderr]    |
[INFO] [stderr] 91 |         .unwrap_or(std::env::temp_dir())
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(std::env::temp_dir)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/lib.rs:90:14
[INFO] [stderr]    |
[INFO] [stderr] 90 |         .map(|p| PathBuf::from(p))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PathBuf::from`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:53:34
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 path.extension().unwrap_or(OsStr::new(""))
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| OsStr::new(""))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:85:10
[INFO] [stderr]    |
[INFO] [stderr] 85 |         .unwrap_or(OsString::from(RSTEST_TEMP_DIR_ROOT_DEFAULT))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| OsString::from(RSTEST_TEMP_DIR_ROOT_DEFAULT))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:91:10
[INFO] [stderr]    |
[INFO] [stderr] 91 |         .unwrap_or(std::env::temp_dir())
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(std::env::temp_dir)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/lib.rs:90:14
[INFO] [stderr]    |
[INFO] [stderr] 90 |         .map(|p| PathBuf::from(p))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PathBuf::from`
[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: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/integration.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |         f.write_all("Hello World!".as_bytes()).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"Hello World!"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/integration.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |         f.write_all("Hello World!".as_bytes()).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"Hello World!"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "27a3d97fb43fd60fc5e91e3250e04862e1add014859c4335a747efb33be8f60f"`
[INFO] running `"docker" "rm" "-f" "27a3d97fb43fd60fc5e91e3250e04862e1add014859c4335a747efb33be8f60f"`
[INFO] [stdout] 27a3d97fb43fd60fc5e91e3250e04862e1add014859c4335a747efb33be8f60f