[INFO] updating cached repository luotaoyeah/learning-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luotaoyeah/learning-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luotaoyeah/learning-rust" "work/ex/clippy-test-run/sources/stable/gh/luotaoyeah/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/luotaoyeah/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luotaoyeah/learning-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/luotaoyeah/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/luotaoyeah/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82103b60bff172014cd212ad9626fb75811ae0e1
[INFO] sha for GitHub repo luotaoyeah/learning-rust: 82103b60bff172014cd212ad9626fb75811ae0e1
[INFO] validating manifest of luotaoyeah/learning-rust 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 luotaoyeah/learning-rust 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 luotaoyeah/learning-rust
[INFO] finished frobbing luotaoyeah/learning-rust
[INFO] frobbed toml for luotaoyeah/learning-rust written to work/ex/clippy-test-run/sources/stable/gh/luotaoyeah/learning-rust/Cargo.toml
[INFO] started frobbing luotaoyeah/learning-rust
[INFO] finished frobbing luotaoyeah/learning-rust
[INFO] frobbed toml for luotaoyeah/learning-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/luotaoyeah/learning-rust/Cargo.toml
[INFO] crate luotaoyeah/learning-rust 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 luotaoyeah/learning-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/luotaoyeah/learning-rust:/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] b762e96333a018efb98bec0823d6dff4a3c69ce6bf172d8b8632bb7d14d773b9
[INFO] running `"docker" "start" "-a" "b762e96333a018efb98bec0823d6dff4a3c69ce6bf172d8b8632bb7d14d773b9"`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let e: u8 = b'A'; // 字节
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let e = b'A';
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let e: u8 = b'A'; // 字节
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let e = b'A';
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: this is a decimal constant
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let a = 01; // 十进制
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::zero_prefixed_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
[INFO] [stderr] help: if you mean to use a decimal constant, remove the `0` to remove confusion
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let a = 1; // 十进制
[INFO] [stderr]    |                 ^
[INFO] [stderr] help: if you mean to use an octal constant, use `0o`
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let a = 0o1; // 十进制
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this is a decimal constant
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let a = 01u8;
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
[INFO] [stderr] help: if you mean to use a decimal constant, remove the `0` to remove confusion
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let a = 1u8;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] help: if you mean to use an octal constant, use `0o`
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let a = 0o1u8;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: digits grouped inconsistently by underscores
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let a = 1000_000;
[INFO] [stderr]    |                 ^^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::inconsistent_digit_grouping)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_digit_grouping
[INFO] [stderr] 
[INFO] [stderr] warning: this is a decimal constant
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let a = 01; // 十进制
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::zero_prefixed_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
[INFO] [stderr] help: if you mean to use a decimal constant, remove the `0` to remove confusion
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let a = 1; // 十进制
[INFO] [stderr]    |                 ^
[INFO] [stderr] help: if you mean to use an octal constant, use `0o`
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let a = 0o1; // 十进制
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this is a decimal constant
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let a = 01u8;
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
[INFO] [stderr] help: if you mean to use a decimal constant, remove the `0` to remove confusion
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let a = 1u8;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] help: if you mean to use an octal constant, use `0o`
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let a = 0o1u8;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: digits grouped inconsistently by underscores
[INFO] [stderr]   --> src/books/the_rust_programming_language_2018e/ch_03_common_programming_concepts/ch_03_02_data_types/ch_03_02_01_scalar_types/ch_03_02_01_01.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let a = 1000_000;
[INFO] [stderr]    |                 ^^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::inconsistent_digit_grouping)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_digit_grouping
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 5.34s
[INFO] running `"docker" "inspect" "b762e96333a018efb98bec0823d6dff4a3c69ce6bf172d8b8632bb7d14d773b9"`
[INFO] running `"docker" "rm" "-f" "b762e96333a018efb98bec0823d6dff4a3c69ce6bf172d8b8632bb7d14d773b9"`
[INFO] [stdout] b762e96333a018efb98bec0823d6dff4a3c69ce6bf172d8b8632bb7d14d773b9