Nov 09 12:43:42.724 INFO checking gannonchan/var_study against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 12:43:42.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 12:43:43.194 INFO blam! 71bc5a4256caffa6d932864b1a24b64d527f08137a230a56365dba9f8e0decdb
Nov 09 12:43:43.197 INFO running `"docker" "start" "-a" "71bc5a4256caffa6d932864b1a24b64d527f08137a230a56365dba9f8e0decdb"`
Nov 09 12:43:44.646 INFO kablam! usermod: no changes
Nov 09 12:43:44.698 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 09 12:43:45.559 INFO kablam! warning: unused variable: `first_name`
Nov 09 12:43:45.559 INFO kablam!   --> src/main.rs:23:9
Nov 09 12:43:45.559 INFO kablam!    |
Nov 09 12:43:45.560 INFO kablam! 23 |     let first_name = String::from("0");
Nov 09 12:43:45.560 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 09 12:43:45.560 INFO kablam!    |
Nov 09 12:43:45.560 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 12:43:45.560 INFO kablam! 
Nov 09 12:43:45.562 INFO kablam! warning: unused variable: `last_name`
Nov 09 12:43:45.562 INFO kablam!   --> src/main.rs:24:9
Nov 09 12:43:45.562 INFO kablam!    |
Nov 09 12:43:45.562 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 09 12:43:45.562 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 09 12:43:45.562 INFO kablam! 
Nov 09 12:43:45.562 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:45.562 INFO kablam!   --> src/main.rs:73:9
Nov 09 12:43:45.562 INFO kablam!    |
Nov 09 12:43:45.562 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 09 12:43:45.562 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:45.562 INFO kablam! 
Nov 09 12:43:45.562 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:45.562 INFO kablam!   --> src/main.rs:95:9
Nov 09 12:43:45.562 INFO kablam!    |
Nov 09 12:43:45.562 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 09 12:43:45.562 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:45.562 INFO kablam! 
Nov 09 12:43:45.562 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:45.562 INFO kablam!   --> src/main.rs:97:9
Nov 09 12:43:45.562 INFO kablam!    |
Nov 09 12:43:45.562 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 09 12:43:45.562 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:45.562 INFO kablam! 
Nov 09 12:43:45.699 INFO kablam! warning: unused variable: `first_name`
Nov 09 12:43:45.699 INFO kablam!   --> src/main.rs:23:9
Nov 09 12:43:45.699 INFO kablam!    |
Nov 09 12:43:45.699 INFO kablam! 23 |     let first_name = String::from("0");
Nov 09 12:43:45.699 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 09 12:43:45.699 INFO kablam!    |
Nov 09 12:43:45.699 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 12:43:45.699 INFO kablam! 
Nov 09 12:43:45.699 INFO kablam! warning: unused variable: `last_name`
Nov 09 12:43:45.699 INFO kablam!   --> src/main.rs:24:9
Nov 09 12:43:45.699 INFO kablam!    |
Nov 09 12:43:45.699 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 09 12:43:45.699 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 09 12:43:45.703 INFO kablam! 
Nov 09 12:43:45.703 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:45.703 INFO kablam!   --> src/main.rs:73:9
Nov 09 12:43:45.703 INFO kablam!    |
Nov 09 12:43:45.703 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 09 12:43:45.703 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:45.703 INFO kablam! 
Nov 09 12:43:45.703 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:45.703 INFO kablam!   --> src/main.rs:95:9
Nov 09 12:43:45.703 INFO kablam!    |
Nov 09 12:43:45.703 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 09 12:43:45.703 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:45.703 INFO kablam! 
Nov 09 12:43:45.705 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:45.705 INFO kablam!   --> src/main.rs:97:9
Nov 09 12:43:45.705 INFO kablam!    |
Nov 09 12:43:45.705 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 09 12:43:45.705 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:45.705 INFO kablam! 
Nov 09 12:43:45.772 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Nov 09 12:43:45.775 INFO kablam! su: No module specific data is present
Nov 09 12:43:47.303 INFO running `"docker" "rm" "-f" "71bc5a4256caffa6d932864b1a24b64d527f08137a230a56365dba9f8e0decdb"`
Nov 09 12:43:47.603 INFO blam! 71bc5a4256caffa6d932864b1a24b64d527f08137a230a56365dba9f8e0decdb