Oct 27 04:28:45.365 INFO checking gannonchan/var_study against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 04:28:45.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-5/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +19f01b935b91481fd445b16b533d2f87661bf12e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 04:28:45.693 INFO blam! 72c5d57da2bd8457a2a061e321b96479e4180919b333139a039104865d966eca
Oct 27 04:28:45.694 INFO running `"docker" "start" "-a" "72c5d57da2bd8457a2a061e321b96479e4180919b333139a039104865d966eca"`
Oct 27 04:28:46.958 INFO kablam! usermod: no changes
Oct 27 04:28:47.015 INFO kablam!     Checking var_study v0.1.0 (/source)
Oct 27 04:28:47.534 INFO kablam! warning: unused variable: `first_name`
Oct 27 04:28:47.534 INFO kablam!   --> src/main.rs:23:9
Oct 27 04:28:47.534 INFO kablam!    |
Oct 27 04:28:47.534 INFO kablam! 23 |     let first_name = String::from("0");
Oct 27 04:28:47.534 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Oct 27 04:28:47.534 INFO kablam!    |
Oct 27 04:28:47.535 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 04:28:47.535 INFO kablam! 
Oct 27 04:28:47.535 INFO kablam! warning: unused variable: `last_name`
Oct 27 04:28:47.535 INFO kablam!   --> src/main.rs:24:9
Oct 27 04:28:47.535 INFO kablam!    |
Oct 27 04:28:47.535 INFO kablam! 24 |     let last_name = String::from("张三");
Oct 27 04:28:47.535 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Oct 27 04:28:47.535 INFO kablam! 
Oct 27 04:28:47.535 INFO kablam! warning: unused variable: `f`
Oct 27 04:28:47.535 INFO kablam!   --> src/main.rs:73:9
Oct 27 04:28:47.535 INFO kablam!    |
Oct 27 04:28:47.535 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Oct 27 04:28:47.535 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 27 04:28:47.535 INFO kablam! 
Oct 27 04:28:47.535 INFO kablam! warning: unused variable: `f`
Oct 27 04:28:47.535 INFO kablam!   --> src/main.rs:95:9
Oct 27 04:28:47.535 INFO kablam!    |
Oct 27 04:28:47.535 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Oct 27 04:28:47.535 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 27 04:28:47.535 INFO kablam! 
Oct 27 04:28:47.535 INFO kablam! warning: unused variable: `f`
Oct 27 04:28:47.535 INFO kablam!   --> src/main.rs:97:9
Oct 27 04:28:47.535 INFO kablam!    |
Oct 27 04:28:47.535 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Oct 27 04:28:47.535 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 27 04:28:47.535 INFO kablam! 
Oct 27 04:28:47.789 INFO kablam! warning: unused variable: `first_name`
Oct 27 04:28:47.789 INFO kablam!   --> src/main.rs:23:9
Oct 27 04:28:47.790 INFO kablam!    |
Oct 27 04:28:47.790 INFO kablam! 23 |     let first_name = String::from("0");
Oct 27 04:28:47.790 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Oct 27 04:28:47.790 INFO kablam!    |
Oct 27 04:28:47.790 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 04:28:47.792 INFO kablam! 
Oct 27 04:28:47.792 INFO kablam! warning: unused variable: `last_name`
Oct 27 04:28:47.792 INFO kablam!   --> src/main.rs:24:9
Oct 27 04:28:47.792 INFO kablam!    |
Oct 27 04:28:47.792 INFO kablam! 24 |     let last_name = String::from("张三");
Oct 27 04:28:47.792 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Oct 27 04:28:47.792 INFO kablam! 
Oct 27 04:28:47.792 INFO kablam! warning: unused variable: `f`
Oct 27 04:28:47.792 INFO kablam!   --> src/main.rs:73:9
Oct 27 04:28:47.792 INFO kablam!    |
Oct 27 04:28:47.792 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Oct 27 04:28:47.792 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 27 04:28:47.792 INFO kablam! 
Oct 27 04:28:47.792 INFO kablam! warning: unused variable: `f`
Oct 27 04:28:47.792 INFO kablam!   --> src/main.rs:95:9
Oct 27 04:28:47.792 INFO kablam!    |
Oct 27 04:28:47.792 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Oct 27 04:28:47.792 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 27 04:28:47.792 INFO kablam! 
Oct 27 04:28:47.792 INFO kablam! warning: unused variable: `f`
Oct 27 04:28:47.792 INFO kablam!   --> src/main.rs:97:9
Oct 27 04:28:47.792 INFO kablam!    |
Oct 27 04:28:47.792 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Oct 27 04:28:47.792 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 27 04:28:47.792 INFO kablam! 
Oct 27 04:28:47.840 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Oct 27 04:28:47.842 INFO kablam! su: No module specific data is present
Oct 27 04:28:49.445 INFO running `"docker" "rm" "-f" "72c5d57da2bd8457a2a061e321b96479e4180919b333139a039104865d966eca"`
Oct 27 04:28:49.751 INFO blam! 72c5d57da2bd8457a2a061e321b96479e4180919b333139a039104865d966eca