[INFO] updating cached repository yjh0502/serde-gen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yjh0502/serde-gen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yjh0502/serde-gen" "work/ex/clippy-test-run/sources/stable/gh/yjh0502/serde-gen"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/yjh0502/serde-gen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yjh0502/serde-gen" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yjh0502/serde-gen"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yjh0502/serde-gen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49e2206cd55dc46e357855cc01fd455fb6a9f055
[INFO] sha for GitHub repo yjh0502/serde-gen: 49e2206cd55dc46e357855cc01fd455fb6a9f055
[INFO] validating manifest of yjh0502/serde-gen 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 yjh0502/serde-gen 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 yjh0502/serde-gen
[INFO] finished frobbing yjh0502/serde-gen
[INFO] frobbed toml for yjh0502/serde-gen written to work/ex/clippy-test-run/sources/stable/gh/yjh0502/serde-gen/Cargo.toml
[INFO] started frobbing yjh0502/serde-gen
[INFO] finished frobbing yjh0502/serde-gen
[INFO] frobbed toml for yjh0502/serde-gen written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yjh0502/serde-gen/Cargo.toml
[INFO] crate yjh0502/serde-gen 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 yjh0502/serde-gen 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/gh/yjh0502/serde-gen:/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] ae29e42c5b33662ca56a4a58e50ed6cabcd6dcd933aa8aa2d16cc2d34757a642
[INFO] running `"docker" "start" "-a" "ae29e42c5b33662ca56a4a58e50ed6cabcd6dcd933aa8aa2d16cc2d34757a642"`
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde-gen 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/lib.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     write!(w, "{}\n", builder.build(v))?;
[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:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     write!(w, "{}\n", builder.build(v))?;
[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: you should consider deriving a `Default` implementation for `TyBuilder`
[INFO] [stderr]   --> src/lib.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 | /     pub fn new() -> Self {
[INFO] [stderr] 83 | |         TyBuilder {
[INFO] [stderr] 84 | |             names: HashMap::new(),
[INFO] [stderr] 85 | |             queue: Vec::new(),
[INFO] [stderr] 86 | |         }
[INFO] [stderr] 87 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         *idx = *idx + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: replace it with: `*idx += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let name = format!("Root");
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Root".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: you should consider deriving a `Default` implementation for `TyBuilder`
[INFO] [stderr]   --> src/lib.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 | /     pub fn new() -> Self {
[INFO] [stderr] 83 | |         TyBuilder {
[INFO] [stderr] 84 | |             names: HashMap::new(),
[INFO] [stderr] 85 | |             queue: Vec::new(),
[INFO] [stderr] 86 | |         }
[INFO] [stderr] 87 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         *idx = *idx + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: replace it with: `*idx += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let name = format!("Root");
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Root".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: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/bin/serde_gen.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Some(filename) => write!(&mut File::create(filename)?, "{}\n", out)?,
[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/bin/serde_gen.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         None => write!(&mut std::io::stdout(), "{}\n", out)?,
[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/bin/serde_gen.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Some(filename) => write!(&mut File::create(filename)?, "{}\n", out)?,
[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/bin/serde_gen.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         None => write!(&mut std::io::stdout(), "{}\n", out)?,
[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]     Finished dev [unoptimized + debuginfo] target(s) in 33.28s
[INFO] running `"docker" "inspect" "ae29e42c5b33662ca56a4a58e50ed6cabcd6dcd933aa8aa2d16cc2d34757a642"`
[INFO] running `"docker" "rm" "-f" "ae29e42c5b33662ca56a4a58e50ed6cabcd6dcd933aa8aa2d16cc2d34757a642"`
[INFO] [stdout] ae29e42c5b33662ca56a4a58e50ed6cabcd6dcd933aa8aa2d16cc2d34757a642