Nov 01 04:46:04.147 INFO checking gannonchan/var_study against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 04:46:04.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 04:46:04.628 INFO blam! 389d309a3d7278af6a6814c2e0cd77ab390405d3007b61847314a86d6a1d40d6
Nov 01 04:46:04.640 INFO running `"docker" "start" "-a" "389d309a3d7278af6a6814c2e0cd77ab390405d3007b61847314a86d6a1d40d6"`
Nov 01 04:46:05.719 INFO kablam! usermod: no changes
Nov 01 04:46:05.775 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 01 04:46:06.320 INFO kablam! warning: unused variable: `first_name`
Nov 01 04:46:06.320 INFO kablam!   --> src/main.rs:23:9
Nov 01 04:46:06.320 INFO kablam!    |
Nov 01 04:46:06.320 INFO kablam! 23 |     let first_name = String::from("0");
Nov 01 04:46:06.320 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 01 04:46:06.320 INFO kablam!    |
Nov 01 04:46:06.320 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 04:46:06.320 INFO kablam! 
Nov 01 04:46:06.320 INFO kablam! warning: unused variable: `last_name`
Nov 01 04:46:06.320 INFO kablam!   --> src/main.rs:24:9
Nov 01 04:46:06.320 INFO kablam!    |
Nov 01 04:46:06.320 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 01 04:46:06.320 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 01 04:46:06.320 INFO kablam! 
Nov 01 04:46:06.320 INFO kablam! warning: unused variable: `f`
Nov 01 04:46:06.320 INFO kablam!   --> src/main.rs:73:9
Nov 01 04:46:06.321 INFO kablam!    |
Nov 01 04:46:06.321 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 01 04:46:06.321 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 01 04:46:06.321 INFO kablam! 
Nov 01 04:46:06.321 INFO kablam! warning: unused variable: `f`
Nov 01 04:46:06.321 INFO kablam!   --> src/main.rs:95:9
Nov 01 04:46:06.321 INFO kablam!    |
Nov 01 04:46:06.321 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 01 04:46:06.321 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 01 04:46:06.321 INFO kablam! 
Nov 01 04:46:06.321 INFO kablam! warning: unused variable: `f`
Nov 01 04:46:06.321 INFO kablam!   --> src/main.rs:97:9
Nov 01 04:46:06.321 INFO kablam!    |
Nov 01 04:46:06.321 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 01 04:46:06.321 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 01 04:46:06.321 INFO kablam! 
Nov 01 04:46:06.436 INFO kablam! warning: unused variable: `first_name`
Nov 01 04:46:06.437 INFO kablam!   --> src/main.rs:23:9
Nov 01 04:46:06.437 INFO kablam!    |
Nov 01 04:46:06.437 INFO kablam! 23 |     let first_name = String::from("0");
Nov 01 04:46:06.437 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 01 04:46:06.437 INFO kablam!    |
Nov 01 04:46:06.437 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 04:46:06.437 INFO kablam! 
Nov 01 04:46:06.438 INFO kablam! warning: unused variable: `last_name`
Nov 01 04:46:06.438 INFO kablam!   --> src/main.rs:24:9
Nov 01 04:46:06.438 INFO kablam!    |
Nov 01 04:46:06.438 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 01 04:46:06.438 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 01 04:46:06.438 INFO kablam! 
Nov 01 04:46:06.439 INFO kablam! warning: unused variable: `f`
Nov 01 04:46:06.439 INFO kablam!   --> src/main.rs:73:9
Nov 01 04:46:06.439 INFO kablam!    |
Nov 01 04:46:06.439 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 01 04:46:06.439 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 01 04:46:06.439 INFO kablam! 
Nov 01 04:46:06.439 INFO kablam! warning: unused variable: `f`
Nov 01 04:46:06.440 INFO kablam!   --> src/main.rs:95:9
Nov 01 04:46:06.440 INFO kablam!    |
Nov 01 04:46:06.440 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 01 04:46:06.440 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 01 04:46:06.440 INFO kablam! 
Nov 01 04:46:06.440 INFO kablam! warning: unused variable: `f`
Nov 01 04:46:06.441 INFO kablam!   --> src/main.rs:97:9
Nov 01 04:46:06.441 INFO kablam!    |
Nov 01 04:46:06.441 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 01 04:46:06.441 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 01 04:46:06.441 INFO kablam! 
Nov 01 04:46:06.505 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Nov 01 04:46:06.505 INFO kablam! su: No module specific data is present
Nov 01 04:46:06.980 INFO running `"docker" "rm" "-f" "389d309a3d7278af6a6814c2e0cd77ab390405d3007b61847314a86d6a1d40d6"`
Nov 01 04:46:07.218 INFO blam! 389d309a3d7278af6a6814c2e0cd77ab390405d3007b61847314a86d6a1d40d6