Nov 02 14:15:31.401 INFO checking gannonchan/var_study against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 14:15:31.403 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 14:15:31.799 INFO blam! a8e1ee25806c6758a5bd4a06b7d4c0ace54030be050dc610a5416e1098145b1e
Nov 02 14:15:31.801 INFO running `"docker" "start" "-a" "a8e1ee25806c6758a5bd4a06b7d4c0ace54030be050dc610a5416e1098145b1e"`
Nov 02 14:15:32.780 INFO kablam! usermod: no changes
Nov 02 14:15:32.861 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 02 14:15:33.532 INFO kablam! warning: unused variable: `first_name`
Nov 02 14:15:33.532 INFO kablam!   --> src/main.rs:23:9
Nov 02 14:15:33.532 INFO kablam!    |
Nov 02 14:15:33.532 INFO kablam! 23 |     let first_name = String::from("0");
Nov 02 14:15:33.532 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 02 14:15:33.532 INFO kablam!    |
Nov 02 14:15:33.532 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 14:15:33.532 INFO kablam! 
Nov 02 14:15:33.532 INFO kablam! warning: unused variable: `last_name`
Nov 02 14:15:33.532 INFO kablam!   --> src/main.rs:24:9
Nov 02 14:15:33.532 INFO kablam!    |
Nov 02 14:15:33.532 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 02 14:15:33.532 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 02 14:15:33.532 INFO kablam! 
Nov 02 14:15:33.532 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.532 INFO kablam!   --> src/main.rs:73:9
Nov 02 14:15:33.532 INFO kablam!    |
Nov 02 14:15:33.532 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 02 14:15:33.532 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.532 INFO kablam! 
Nov 02 14:15:33.532 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.533 INFO kablam!   --> src/main.rs:95:9
Nov 02 14:15:33.533 INFO kablam!    |
Nov 02 14:15:33.533 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 02 14:15:33.533 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.533 INFO kablam! 
Nov 02 14:15:33.533 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.533 INFO kablam!   --> src/main.rs:97:9
Nov 02 14:15:33.533 INFO kablam!    |
Nov 02 14:15:33.533 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 02 14:15:33.533 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.533 INFO kablam! 
Nov 02 14:15:33.597 INFO kablam! warning: unused variable: `first_name`
Nov 02 14:15:33.597 INFO kablam!   --> src/main.rs:23:9
Nov 02 14:15:33.597 INFO kablam!    |
Nov 02 14:15:33.597 INFO kablam! 23 |     let first_name = String::from("0");
Nov 02 14:15:33.597 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 02 14:15:33.597 INFO kablam!    |
Nov 02 14:15:33.597 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 14:15:33.597 INFO kablam! 
Nov 02 14:15:33.597 INFO kablam! warning: unused variable: `last_name`
Nov 02 14:15:33.597 INFO kablam!   --> src/main.rs:24:9
Nov 02 14:15:33.597 INFO kablam!    |
Nov 02 14:15:33.597 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 02 14:15:33.597 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 02 14:15:33.597 INFO kablam! 
Nov 02 14:15:33.597 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.597 INFO kablam!   --> src/main.rs:73:9
Nov 02 14:15:33.597 INFO kablam!    |
Nov 02 14:15:33.597 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 02 14:15:33.597 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.597 INFO kablam! 
Nov 02 14:15:33.597 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.597 INFO kablam!   --> src/main.rs:95:9
Nov 02 14:15:33.597 INFO kablam!    |
Nov 02 14:15:33.597 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 02 14:15:33.597 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.597 INFO kablam! 
Nov 02 14:15:33.597 INFO kablam! warning: unused variable: `f`
Nov 02 14:15:33.597 INFO kablam!   --> src/main.rs:97:9
Nov 02 14:15:33.597 INFO kablam!    |
Nov 02 14:15:33.597 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 02 14:15:33.597 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 02 14:15:33.597 INFO kablam! 
Nov 02 14:15:33.672 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Nov 02 14:15:33.678 INFO kablam! su: No module specific data is present
Nov 02 14:15:34.801 INFO running `"docker" "rm" "-f" "a8e1ee25806c6758a5bd4a06b7d4c0ace54030be050dc610a5416e1098145b1e"`
Nov 02 14:15:35.033 INFO blam! a8e1ee25806c6758a5bd4a06b7d4c0ace54030be050dc610a5416e1098145b1e