Nov 09 12:43:47.689 INFO checking gannonchan/var_study against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 12:43:47.691 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 12:43:48.307 INFO blam! d53cf57d18cb0fbb0ce0a92e7f3f2154607e4c20fb4cee41a2e9286f5ee54896
Nov 09 12:43:48.315 INFO running `"docker" "start" "-a" "d53cf57d18cb0fbb0ce0a92e7f3f2154607e4c20fb4cee41a2e9286f5ee54896"`
Nov 09 12:43:49.863 INFO kablam! usermod: no changes
Nov 09 12:43:49.919 INFO kablam!     Checking var_study v0.1.0 (/source)
Nov 09 12:43:50.483 INFO kablam! warning: unused variable: `first_name`
Nov 09 12:43:50.483 INFO kablam!   --> src/main.rs:23:9
Nov 09 12:43:50.483 INFO kablam!    |
Nov 09 12:43:50.483 INFO kablam! 23 |     let first_name = String::from("0");
Nov 09 12:43:50.483 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 09 12:43:50.484 INFO kablam!    |
Nov 09 12:43:50.484 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 12:43:50.484 INFO kablam! 
Nov 09 12:43:50.484 INFO kablam! warning: unused variable: `last_name`
Nov 09 12:43:50.485 INFO kablam!   --> src/main.rs:24:9
Nov 09 12:43:50.485 INFO kablam!    |
Nov 09 12:43:50.486 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 09 12:43:50.486 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 09 12:43:50.487 INFO kablam! 
Nov 09 12:43:50.487 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:50.487 INFO kablam!   --> src/main.rs:73:9
Nov 09 12:43:50.488 INFO kablam!    |
Nov 09 12:43:50.488 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 09 12:43:50.489 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:50.489 INFO kablam! 
Nov 09 12:43:50.490 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:50.490 INFO kablam!   --> src/main.rs:95:9
Nov 09 12:43:50.491 INFO kablam!    |
Nov 09 12:43:50.491 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 09 12:43:50.491 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:50.491 INFO kablam! 
Nov 09 12:43:50.491 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:50.491 INFO kablam!   --> src/main.rs:97:9
Nov 09 12:43:50.491 INFO kablam!    |
Nov 09 12:43:50.491 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 09 12:43:50.492 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:50.492 INFO kablam! 
Nov 09 12:43:50.590 INFO kablam! warning: unused variable: `first_name`
Nov 09 12:43:50.590 INFO kablam!   --> src/main.rs:23:9
Nov 09 12:43:50.590 INFO kablam!    |
Nov 09 12:43:50.590 INFO kablam! 23 |     let first_name = String::from("0");
Nov 09 12:43:50.590 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Nov 09 12:43:50.590 INFO kablam!    |
Nov 09 12:43:50.592 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 12:43:50.592 INFO kablam! 
Nov 09 12:43:50.592 INFO kablam! warning: unused variable: `last_name`
Nov 09 12:43:50.592 INFO kablam!   --> src/main.rs:24:9
Nov 09 12:43:50.592 INFO kablam!    |
Nov 09 12:43:50.592 INFO kablam! 24 |     let last_name = String::from("张三");
Nov 09 12:43:50.592 INFO kablam!    |         ^^^^^^^^^ help: consider using `_last_name` instead
Nov 09 12:43:50.592 INFO kablam! 
Nov 09 12:43:50.592 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:50.592 INFO kablam!   --> src/main.rs:73:9
Nov 09 12:43:50.592 INFO kablam!    |
Nov 09 12:43:50.592 INFO kablam! 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Nov 09 12:43:50.592 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:50.592 INFO kablam! 
Nov 09 12:43:50.592 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:50.592 INFO kablam!   --> src/main.rs:95:9
Nov 09 12:43:50.592 INFO kablam!    |
Nov 09 12:43:50.592 INFO kablam! 95 |     let f = File::open("d:\\hello.txt").unwrap();
Nov 09 12:43:50.592 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:50.592 INFO kablam! 
Nov 09 12:43:50.592 INFO kablam! warning: unused variable: `f`
Nov 09 12:43:50.592 INFO kablam!   --> src/main.rs:97:9
Nov 09 12:43:50.592 INFO kablam!    |
Nov 09 12:43:50.592 INFO kablam! 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Nov 09 12:43:50.592 INFO kablam!    |         ^ help: consider using `_f` instead
Nov 09 12:43:50.592 INFO kablam! 
Nov 09 12:43:50.632 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Nov 09 12:43:50.638 INFO kablam! su: No module specific data is present
Nov 09 12:43:51.383 INFO running `"docker" "rm" "-f" "d53cf57d18cb0fbb0ce0a92e7f3f2154607e4c20fb4cee41a2e9286f5ee54896"`
Nov 09 12:43:51.687 INFO blam! d53cf57d18cb0fbb0ce0a92e7f3f2154607e4c20fb4cee41a2e9286f5ee54896