Nov 06 21:34:35.062 INFO checking gannonchan/var_study against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 21:34:35.062 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 21:34:35.837 INFO blam! 48288a148bb0bbc5dcfbf2ba9e9f8e74e982809063dd14636814135942fb3c39
Nov 06 21:34:35.839 INFO running `"docker" "start" "-a" "48288a148bb0bbc5dcfbf2ba9e9f8e74e982809063dd14636814135942fb3c39"`
Nov 06 21:34:37.499 INFO kablam! usermod: no changes
Nov 06 21:34:37.553 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 06 21:34:38.028 INFO kablam! warning: unused variable: `first_name`
Nov 06 21:34:38.028 INFO kablam!   --> src/main.rs:23:9
Nov 06 21:34:38.028 INFO kablam!    |
Nov 06 21:34:38.028 INFO kablam! 23 |     let first_name = String::from("0");
Nov 06 21:34:38.028 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 06 21:34:38.028 INFO kablam!    |
Nov 06 21:34:38.028 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 21:34:38.028 INFO kablam! 
Nov 06 21:34:38.028 INFO kablam! warning: unused variable: `last_name`
Nov 06 21:34:38.028 INFO kablam!   --> src/main.rs:24:9
Nov 06 21:34:38.028 INFO kablam!    |
Nov 06 21:34:38.028 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 06 21:34:38.028 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 06 21:34:38.029 INFO kablam! 
Nov 06 21:34:38.029 INFO kablam! warning: unused variable: `f`
Nov 06 21:34:38.029 INFO kablam!   --> src/main.rs:73:9
Nov 06 21:34:38.029 INFO kablam!    |
Nov 06 21:34:38.029 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 06 21:34:38.029 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 06 21:34:38.029 INFO kablam! 
Nov 06 21:34:38.029 INFO kablam! warning: unused variable: `f`
Nov 06 21:34:38.029 INFO kablam!   --> src/main.rs:95:9
Nov 06 21:34:38.029 INFO kablam!    |
Nov 06 21:34:38.029 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 06 21:34:38.029 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 06 21:34:38.029 INFO kablam! 
Nov 06 21:34:38.029 INFO kablam! warning: unused variable: `f`
Nov 06 21:34:38.029 INFO kablam!   --> src/main.rs:97:9
Nov 06 21:34:38.029 INFO kablam!    |
Nov 06 21:34:38.029 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 06 21:34:38.029 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 06 21:34:38.029 INFO kablam! 
Nov 06 21:34:38.148 INFO kablam! warning: unused variable: `first_name`
Nov 06 21:34:38.148 INFO kablam!   --> src/main.rs:23:9
Nov 06 21:34:38.148 INFO kablam!    |
Nov 06 21:34:38.148 INFO kablam! 23 |     let first_name = String::from("0");
Nov 06 21:34:38.148 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 06 21:34:38.148 INFO kablam!    |
Nov 06 21:34:38.148 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 21:34:38.148 INFO kablam! 
Nov 06 21:34:38.148 INFO kablam! warning: unused variable: `last_name`
Nov 06 21:34:38.148 INFO kablam!   --> src/main.rs:24:9
Nov 06 21:34:38.148 INFO kablam!    |
Nov 06 21:34:38.148 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 06 21:34:38.148 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 06 21:34:38.148 INFO kablam! 
Nov 06 21:34:38.148 INFO kablam! warning: unused variable: `f`
Nov 06 21:34:38.148 INFO kablam!   --> src/main.rs:73:9
Nov 06 21:34:38.148 INFO kablam!    |
Nov 06 21:34:38.148 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 06 21:34:38.149 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 06 21:34:38.149 INFO kablam! 
Nov 06 21:34:38.149 INFO kablam! warning: unused variable: `f`
Nov 06 21:34:38.149 INFO kablam!   --> src/main.rs:95:9
Nov 06 21:34:38.149 INFO kablam!    |
Nov 06 21:34:38.149 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 06 21:34:38.149 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 06 21:34:38.149 INFO kablam! 
Nov 06 21:34:38.149 INFO kablam! warning: unused variable: `f`
Nov 06 21:34:38.149 INFO kablam!   --> src/main.rs:97:9
Nov 06 21:34:38.149 INFO kablam!    |
Nov 06 21:34:38.149 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 06 21:34:38.149 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 06 21:34:38.149 INFO kablam! 
Nov 06 21:34:38.208 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Nov 06 21:34:38.216 INFO kablam! su: No module specific data is present
Nov 06 21:34:38.767 INFO running `"docker" "rm" "-f" "48288a148bb0bbc5dcfbf2ba9e9f8e74e982809063dd14636814135942fb3c39"`
Nov 06 21:34:39.044 INFO blam! 48288a148bb0bbc5dcfbf2ba9e9f8e74e982809063dd14636814135942fb3c39