Dec 05 23:02:18.740 INFO testing gannonchan/var_study against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 23:02:18.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 05 23:02:18.963 INFO [stdout] 31fcceda43f02d56f7faf34bf75ab99be999f4371c528a648fc7dbcf42edc4b2
Dec 05 23:02:18.965 INFO running `"docker" "start" "-a" "31fcceda43f02d56f7faf34bf75ab99be999f4371c528a648fc7dbcf42edc4b2"`
Dec 05 23:02:19.703 INFO [stderr] usermod: no changes
Dec 05 23:02:19.733 INFO [stderr]    Compiling var_study v0.1.0 (/source)
Dec 05 23:02:20.089 INFO [stderr] warning: unused variable: `first_name`
Dec 05 23:02:20.089 INFO [stderr]   --> src/main.rs:23:9
Dec 05 23:02:20.089 INFO [stderr]    |
Dec 05 23:02:20.089 INFO [stderr] 23 |     let first_name = String::from("0");
Dec 05 23:02:20.089 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Dec 05 23:02:20.089 INFO [stderr]    |
Dec 05 23:02:20.089 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 23:02:20.089 INFO [stderr] 
Dec 05 23:02:20.089 INFO [stderr] warning: unused variable: `last_name`
Dec 05 23:02:20.089 INFO [stderr]   --> src/main.rs:24:9
Dec 05 23:02:20.089 INFO [stderr]    |
Dec 05 23:02:20.089 INFO [stderr] 24 |     let last_name = String::from("张三");
Dec 05 23:02:20.089 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_last_name` instead
Dec 05 23:02:20.089 INFO [stderr] 
Dec 05 23:02:20.089 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:20.089 INFO [stderr]   --> src/main.rs:73:9
Dec 05 23:02:20.089 INFO [stderr]    |
Dec 05 23:02:20.089 INFO [stderr] 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Dec 05 23:02:20.089 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:20.089 INFO [stderr] 
Dec 05 23:02:20.089 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:20.089 INFO [stderr]   --> src/main.rs:95:9
Dec 05 23:02:20.089 INFO [stderr]    |
Dec 05 23:02:20.089 INFO [stderr] 95 |     let f = File::open("d:\\hello.txt").unwrap();
Dec 05 23:02:20.089 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:20.089 INFO [stderr] 
Dec 05 23:02:20.089 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:20.089 INFO [stderr]   --> src/main.rs:97:9
Dec 05 23:02:20.089 INFO [stderr]    |
Dec 05 23:02:20.089 INFO [stderr] 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Dec 05 23:02:20.090 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:20.090 INFO [stderr] 
Dec 05 23:02:20.521 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 05 23:02:20.523 INFO [stderr] su: No module specific data is present
Dec 05 23:02:20.781 INFO running `"docker" "inspect" "31fcceda43f02d56f7faf34bf75ab99be999f4371c528a648fc7dbcf42edc4b2"`
Dec 05 23:02:20.857 INFO running `"docker" "rm" "-f" "31fcceda43f02d56f7faf34bf75ab99be999f4371c528a648fc7dbcf42edc4b2"`
Dec 05 23:02:20.987 INFO [stdout] 31fcceda43f02d56f7faf34bf75ab99be999f4371c528a648fc7dbcf42edc4b2
Dec 05 23:02:20.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 05 23:02:21.181 INFO [stdout] 8826bbbbd99a27af3d7f828024b43fce55e830f4dd0fed3171246826cb319230
Dec 05 23:02:21.183 INFO running `"docker" "start" "-a" "8826bbbbd99a27af3d7f828024b43fce55e830f4dd0fed3171246826cb319230"`
Dec 05 23:02:21.636 INFO [stderr] usermod: no changes
Dec 05 23:02:21.677 INFO [stderr]    Compiling var_study v0.1.0 (/source)
Dec 05 23:02:22.104 INFO [stderr] warning: unused variable: `first_name`
Dec 05 23:02:22.104 INFO [stderr]   --> src/main.rs:23:9
Dec 05 23:02:22.104 INFO [stderr]    |
Dec 05 23:02:22.104 INFO [stderr] 23 |     let first_name = String::from("0");
Dec 05 23:02:22.104 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Dec 05 23:02:22.104 INFO [stderr]    |
Dec 05 23:02:22.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 23:02:22.104 INFO [stderr] 
Dec 05 23:02:22.104 INFO [stderr] warning: unused variable: `last_name`
Dec 05 23:02:22.104 INFO [stderr]   --> src/main.rs:24:9
Dec 05 23:02:22.104 INFO [stderr]    |
Dec 05 23:02:22.104 INFO [stderr] 24 |     let last_name = String::from("张三");
Dec 05 23:02:22.104 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_last_name` instead
Dec 05 23:02:22.104 INFO [stderr] 
Dec 05 23:02:22.108 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:22.108 INFO [stderr]   --> src/main.rs:73:9
Dec 05 23:02:22.108 INFO [stderr]    |
Dec 05 23:02:22.108 INFO [stderr] 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Dec 05 23:02:22.108 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:22.108 INFO [stderr] 
Dec 05 23:02:22.108 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:22.108 INFO [stderr]   --> src/main.rs:95:9
Dec 05 23:02:22.108 INFO [stderr]    |
Dec 05 23:02:22.108 INFO [stderr] 95 |     let f = File::open("d:\\hello.txt").unwrap();
Dec 05 23:02:22.108 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:22.108 INFO [stderr] 
Dec 05 23:02:22.108 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:22.108 INFO [stderr]   --> src/main.rs:97:9
Dec 05 23:02:22.108 INFO [stderr]    |
Dec 05 23:02:22.108 INFO [stderr] 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Dec 05 23:02:22.108 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:22.108 INFO [stderr] 
Dec 05 23:02:22.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 05 23:02:22.317 INFO [stderr] su: No module specific data is present
Dec 05 23:02:22.565 INFO running `"docker" "inspect" "8826bbbbd99a27af3d7f828024b43fce55e830f4dd0fed3171246826cb319230"`
Dec 05 23:02:22.640 INFO running `"docker" "rm" "-f" "8826bbbbd99a27af3d7f828024b43fce55e830f4dd0fed3171246826cb319230"`
Dec 05 23:02:22.725 INFO [stdout] 8826bbbbd99a27af3d7f828024b43fce55e830f4dd0fed3171246826cb319230
Dec 05 23:02:22.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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"`
Dec 05 23:02:22.861 INFO [stdout] 3f00af6d26947cde8ccdd8f4ac6de9ac5ca8b09d8939279b25a500ca840cc36f
Dec 05 23:02:22.867 INFO running `"docker" "start" "-a" "3f00af6d26947cde8ccdd8f4ac6de9ac5ca8b09d8939279b25a500ca840cc36f"`
Dec 05 23:02:23.270 INFO [stderr] usermod: no changes
Dec 05 23:02:23.293 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 23:02:23.296 INFO [stderr]      Running /target/debug/deps/var_study-cc1b483e05ab94ac
Dec 05 23:02:23.296 INFO [stdout] 
Dec 05 23:02:23.296 INFO [stdout] running 0 tests
Dec 05 23:02:23.296 INFO [stdout] 
Dec 05 23:02:23.296 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 23:02:23.296 INFO [stdout] 
Dec 05 23:02:23.296 INFO [stderr] su: No module specific data is present
Dec 05 23:02:23.552 INFO running `"docker" "inspect" "3f00af6d26947cde8ccdd8f4ac6de9ac5ca8b09d8939279b25a500ca840cc36f"`
Dec 05 23:02:23.614 INFO running `"docker" "rm" "-f" "3f00af6d26947cde8ccdd8f4ac6de9ac5ca8b09d8939279b25a500ca840cc36f"`
Dec 05 23:02:23.681 INFO [stdout] 3f00af6d26947cde8ccdd8f4ac6de9ac5ca8b09d8939279b25a500ca840cc36f