Nov 04 06:36:13.902 INFO checking gannonchan/var_study against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 06:36:13.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 06:36:14.411 INFO blam! e7320c4d5996d377617bb53968afc7d2f57c57e74e1d1deb752230cce095f9cc
Nov 04 06:36:14.414 INFO running `"docker" "start" "-a" "e7320c4d5996d377617bb53968afc7d2f57c57e74e1d1deb752230cce095f9cc"`
Nov 04 06:36:15.966 INFO kablam! usermod: no changes
Nov 04 06:36:16.043 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 04 06:36:16.591 INFO kablam! warning: unused variable: `first_name`
Nov 04 06:36:16.591 INFO kablam!   --> src/main.rs:23:9
Nov 04 06:36:16.591 INFO kablam!    |
Nov 04 06:36:16.591 INFO kablam! 23 |     let first_name = String::from("0");
Nov 04 06:36:16.591 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 04 06:36:16.591 INFO kablam!    |
Nov 04 06:36:16.591 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 06:36:16.591 INFO kablam! 
Nov 04 06:36:16.591 INFO kablam! warning: unused variable: `last_name`
Nov 04 06:36:16.591 INFO kablam!   --> src/main.rs:24:9
Nov 04 06:36:16.591 INFO kablam!    |
Nov 04 06:36:16.591 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 04 06:36:16.591 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 04 06:36:16.591 INFO kablam! 
Nov 04 06:36:16.591 INFO kablam! warning: unused variable: `f`
Nov 04 06:36:16.591 INFO kablam!   --> src/main.rs:73:9
Nov 04 06:36:16.591 INFO kablam!    |
Nov 04 06:36:16.591 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 04 06:36:16.591 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 04 06:36:16.591 INFO kablam! 
Nov 04 06:36:16.591 INFO kablam! warning: unused variable: `f`
Nov 04 06:36:16.591 INFO kablam!   --> src/main.rs:95:9
Nov 04 06:36:16.591 INFO kablam!    |
Nov 04 06:36:16.591 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 04 06:36:16.591 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 04 06:36:16.591 INFO kablam! 
Nov 04 06:36:16.591 INFO kablam! warning: unused variable: `f`
Nov 04 06:36:16.591 INFO kablam!   --> src/main.rs:97:9
Nov 04 06:36:16.591 INFO kablam!    |
Nov 04 06:36:16.591 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 04 06:36:16.591 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 04 06:36:16.591 INFO kablam! 
Nov 04 06:36:16.939 INFO kablam! warning: unused variable: `first_name`
Nov 04 06:36:16.939 INFO kablam!   --> src/main.rs:23:9
Nov 04 06:36:16.939 INFO kablam!    |
Nov 04 06:36:16.939 INFO kablam! 23 |     let first_name = String::from("0");
Nov 04 06:36:16.939 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 04 06:36:16.939 INFO kablam!    |
Nov 04 06:36:16.939 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 06:36:16.939 INFO kablam! 
Nov 04 06:36:16.939 INFO kablam! warning: unused variable: `last_name`
Nov 04 06:36:16.939 INFO kablam!   --> src/main.rs:24:9
Nov 04 06:36:16.939 INFO kablam!    |
Nov 04 06:36:16.939 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 04 06:36:16.939 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 04 06:36:16.939 INFO kablam! 
Nov 04 06:36:16.939 INFO kablam! warning: unused variable: `f`
Nov 04 06:36:16.939 INFO kablam!   --> src/main.rs:73:9
Nov 04 06:36:16.939 INFO kablam!    |
Nov 04 06:36:16.939 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 04 06:36:16.939 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 04 06:36:16.939 INFO kablam! 
Nov 04 06:36:16.939 INFO kablam! warning: unused variable: `f`
Nov 04 06:36:16.939 INFO kablam!   --> src/main.rs:95:9
Nov 04 06:36:16.939 INFO kablam!    |
Nov 04 06:36:16.939 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 04 06:36:16.939 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 04 06:36:16.939 INFO kablam! 
Nov 04 06:36:16.939 INFO kablam! warning: unused variable: `f`
Nov 04 06:36:16.939 INFO kablam!   --> src/main.rs:97:9
Nov 04 06:36:16.939 INFO kablam!    |
Nov 04 06:36:16.939 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 04 06:36:16.939 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 04 06:36:16.939 INFO kablam! 
Nov 04 06:36:16.998 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Nov 04 06:36:17.007 INFO kablam! su: No module specific data is present
Nov 04 06:36:17.703 INFO running `"docker" "rm" "-f" "e7320c4d5996d377617bb53968afc7d2f57c57e74e1d1deb752230cce095f9cc"`
Nov 04 06:36:17.959 INFO blam! e7320c4d5996d377617bb53968afc7d2f57c57e74e1d1deb752230cce095f9cc