[INFO] crate build_details 0.1.2 is already in cache
[INFO] extracting crate build_details 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/build_details/0.1.2
[INFO] extracting crate build_details 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/build_details/0.1.2
[INFO] validating manifest of build_details-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 build_details-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 build_details-0.1.2
[INFO] finished frobbing build_details-0.1.2
[INFO] frobbed toml for build_details-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/build_details/0.1.2/Cargo.toml
[INFO] started frobbing build_details-0.1.2
[INFO] finished frobbing build_details-0.1.2
[INFO] frobbed toml for build_details-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/build_details/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 build_details-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-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/build_details/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] af88a7207ea0937ef39dc0229e057a831440748f0dab991303ec479568a8e4b3
[INFO] running `"docker" "start" "-a" "af88a7207ea0937ef39dc0229e057a831440748f0dab991303ec479568a8e4b3"`
[INFO] [stderr]     Checking phf_generator v0.7.24
[INFO] [stderr]     Checking phf_codegen v0.7.24
[INFO] [stderr]     Checking build_details v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/lib.rs:456:13
[INFO] [stderr]     |
[INFO] [stderr] 456 |             write!(txt, "    {:?},\n", item)?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/lib.rs:456:13
[INFO] [stderr]     |
[INFO] [stderr] 456 |             write!(txt, "    {:?},\n", item)?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:331:24
[INFO] [stderr]     |
[INFO] [stderr] 331 |             None => Ok(format!("None")),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"None".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]    --> src/lib.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 | /     pub fn new() -> Detail<Option<u64>> {
[INFO] [stderr] 347 | |         // TODO: Touch build.rs to trigger a rebuild every time
[INFO] [stderr] 348 | |
[INFO] [stderr] 349 | |         let secs = SystemTime::now()
[INFO] [stderr] ...   |
[INFO] [stderr] 359 | |         }
[INFO] [stderr] 360 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:331:24
[INFO] [stderr]     |
[INFO] [stderr] 331 |             None => Ok(format!("None")),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"None".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]    --> src/lib.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 | /     pub fn new() -> Detail<Option<u64>> {
[INFO] [stderr] 347 | |         // TODO: Touch build.rs to trigger a rebuild every time
[INFO] [stderr] 348 | |
[INFO] [stderr] 349 | |         let secs = SystemTime::now()
[INFO] [stderr] ...   |
[INFO] [stderr] 359 | |         }
[INFO] [stderr] 360 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `"docker" "inspect" "af88a7207ea0937ef39dc0229e057a831440748f0dab991303ec479568a8e4b3"`
[INFO] running `"docker" "rm" "-f" "af88a7207ea0937ef39dc0229e057a831440748f0dab991303ec479568a8e4b3"`
[INFO] [stdout] af88a7207ea0937ef39dc0229e057a831440748f0dab991303ec479568a8e4b3