[INFO] updating cached repository Vurich/rustc-demangle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vurich/rustc-demangle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vurich/rustc-demangle" "work/ex/clippy-test-run/sources/stable/gh/Vurich/rustc-demangle"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Vurich/rustc-demangle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vurich/rustc-demangle" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Vurich/rustc-demangle"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Vurich/rustc-demangle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4265ca8f1eef9110fa86607f49a258f1caa62538
[INFO] sha for GitHub repo Vurich/rustc-demangle: 4265ca8f1eef9110fa86607f49a258f1caa62538
[INFO] validating manifest of Vurich/rustc-demangle 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 Vurich/rustc-demangle 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 Vurich/rustc-demangle
[INFO] finished frobbing Vurich/rustc-demangle
[INFO] frobbed toml for Vurich/rustc-demangle written to work/ex/clippy-test-run/sources/stable/gh/Vurich/rustc-demangle/Cargo.toml
[INFO] started frobbing Vurich/rustc-demangle
[INFO] finished frobbing Vurich/rustc-demangle
[INFO] frobbed toml for Vurich/rustc-demangle written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Vurich/rustc-demangle/Cargo.toml
[INFO] crate Vurich/rustc-demangle has a lockfile. skipping
[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 Vurich/rustc-demangle against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Vurich/rustc-demangle:/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] 3a959776b3c1cc21f557e765e6851c8c5d5ae29d11ec0df26c627e74d2c98731
[INFO] running `"docker" "start" "-a" "3a959776b3c1cc21f557e765e6851c8c5d5ae29d11ec0df26c627e74d2c98731"`
[INFO] [stderr]     Checking rust-asm-demangle v0.1.0 (/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/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | /             write!(
[INFO] [stderr] 15 | |                 output,
[INFO] [stderr] 16 | |                 "{}{}{}\n",
[INFO] [stderr] 17 | |                 &line[..index],
[INFO] [stderr] 18 | |                 demangle(&s[..sym_end]),
[INFO] [stderr] 19 | |                 &s[sym_end..]
[INFO] [stderr] 20 | |             )?;
[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/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             write!(output, "{}\n", line)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | /             write!(
[INFO] [stderr] 15 | |                 output,
[INFO] [stderr] 16 | |                 "{}{}{}\n",
[INFO] [stderr] 17 | |                 &line[..index],
[INFO] [stderr] 18 | |                 demangle(&s[..sym_end]),
[INFO] [stderr] 19 | |                 &s[sym_end..]
[INFO] [stderr] 20 | |             )?;
[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/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             write!(output, "{}\n", line)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:12:87
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let sym_end = s.find(|c: char| c == ':' || c == '@' || c.is_whitespace()).unwrap_or(s.len());
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| s.len())`
[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/main.rs:12:87
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let sym_end = s.find(|c: char| c == ':' || c == '@' || c.is_whitespace()).unwrap_or(s.len());
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| s.len())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "3a959776b3c1cc21f557e765e6851c8c5d5ae29d11ec0df26c627e74d2c98731"`
[INFO] running `"docker" "rm" "-f" "3a959776b3c1cc21f557e765e6851c8c5d5ae29d11ec0df26c627e74d2c98731"`
[INFO] [stdout] 3a959776b3c1cc21f557e765e6851c8c5d5ae29d11ec0df26c627e74d2c98731