Nov 02 14:15:30.907 INFO checking gannonchan/var_study against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 14:15:30.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 14:15:31.372 INFO blam! 07e421447bf7de319b3d748721abecf18277b47806a56bf69003453dc627389a
Nov 02 14:15:31.380 INFO running `"docker" "start" "-a" "07e421447bf7de319b3d748721abecf18277b47806a56bf69003453dc627389a"`
Nov 02 14:15:32.460 INFO kablam! usermod: no changes
Nov 02 14:15:32.500 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 02 14:15:32.953 INFO kablam! warning: unused variable: `first_name`
Nov 02 14:15:32.953 INFO kablam!   --> src/main.rs:23:9
Nov 02 14:15:32.953 INFO kablam!    |
Nov 02 14:15:32.953 INFO kablam! 23 |     let first_name = String::from("0");
Nov 02 14:15:32.953 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 02 14:15:32.953 INFO kablam!    |
Nov 02 14:15:32.953 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 14:15:32.953 INFO kablam! 
Nov 02 14:15:32.953 INFO kablam! warning: unused variable: `last_name`
Nov 02 14:15:32.954 INFO kablam!   --> src/main.rs:24:9
Nov 02 14:15:32.954 INFO kablam!    |
Nov 02 14:15:32.954 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 02 14:15:32.954 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 02 14:15:32.954 INFO kablam! 
Nov 02 14:15:32.954 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:32.954 INFO kablam!   --> src/main.rs:73:9
Nov 02 14:15:32.954 INFO kablam!    |
Nov 02 14:15:32.954 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 02 14:15:32.954 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:32.954 INFO kablam! 
Nov 02 14:15:32.954 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:32.954 INFO kablam!   --> src/main.rs:95:9
Nov 02 14:15:32.954 INFO kablam!    |
Nov 02 14:15:32.954 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 02 14:15:32.954 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:32.954 INFO kablam! 
Nov 02 14:15:32.954 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:32.954 INFO kablam!   --> src/main.rs:97:9
Nov 02 14:15:32.954 INFO kablam!    |
Nov 02 14:15:32.954 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 02 14:15:32.954 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:32.954 INFO kablam! 
Nov 02 14:15:33.130 INFO kablam! warning: unused variable: `first_name`
Nov 02 14:15:33.131 INFO kablam!   --> src/main.rs:23:9
Nov 02 14:15:33.132 INFO kablam!    |
Nov 02 14:15:33.132 INFO kablam! 23 |     let first_name = String::from("0");
Nov 02 14:15:33.133 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 02 14:15:33.134 INFO kablam!    |
Nov 02 14:15:33.135 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 14:15:33.135 INFO kablam! 
Nov 02 14:15:33.136 INFO kablam! warning: unused variable: `last_name`
Nov 02 14:15:33.136 INFO kablam!   --> src/main.rs:24:9
Nov 02 14:15:33.137 INFO kablam!    |
Nov 02 14:15:33.138 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 02 14:15:33.139 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 02 14:15:33.139 INFO kablam! 
Nov 02 14:15:33.140 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.140 INFO kablam!   --> src/main.rs:73:9
Nov 02 14:15:33.140 INFO kablam!    |
Nov 02 14:15:33.140 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 02 14:15:33.140 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.140 INFO kablam! 
Nov 02 14:15:33.140 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.140 INFO kablam!   --> src/main.rs:95:9
Nov 02 14:15:33.140 INFO kablam!    |
Nov 02 14:15:33.140 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 02 14:15:33.140 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.140 INFO kablam! 
Nov 02 14:15:33.140 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.140 INFO kablam!   --> src/main.rs:97:9
Nov 02 14:15:33.144 INFO kablam!    |
Nov 02 14:15:33.144 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 02 14:15:33.144 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.144 INFO kablam! 
Nov 02 14:15:33.221 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Nov 02 14:15:33.224 INFO kablam! su: No module specific data is present
Nov 02 14:15:34.649 INFO running `"docker" "rm" "-f" "07e421447bf7de319b3d748721abecf18277b47806a56bf69003453dc627389a"`
Nov 02 14:15:34.920 INFO blam! 07e421447bf7de319b3d748721abecf18277b47806a56bf69003453dc627389a