Dec 05 23:02:18.839 INFO testing gannonchan/var_study against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 23:02:18.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 23:02:19.049 INFO [stdout] 2c06e178c0e797a244b088b5aad8551827acf19031a914417294a7133254cbb9
Dec 05 23:02:19.055 INFO running `"docker" "start" "-a" "2c06e178c0e797a244b088b5aad8551827acf19031a914417294a7133254cbb9"`
Dec 05 23:02:19.660 INFO [stderr] usermod: no changes
Dec 05 23:02:19.696 INFO [stderr]    Compiling var_study v0.1.0 (/source)
Dec 05 23:02:19.941 INFO [stderr] warning: unused variable: `first_name`
Dec 05 23:02:19.941 INFO [stderr]   --> src/main.rs:23:9
Dec 05 23:02:19.941 INFO [stderr]    |
Dec 05 23:02:19.941 INFO [stderr] 23 |     let first_name = String::from("0");
Dec 05 23:02:19.941 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Dec 05 23:02:19.941 INFO [stderr]    |
Dec 05 23:02:19.941 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 23:02:19.941 INFO [stderr] 
Dec 05 23:02:19.941 INFO [stderr] warning: unused variable: `last_name`
Dec 05 23:02:19.941 INFO [stderr]   --> src/main.rs:24:9
Dec 05 23:02:19.941 INFO [stderr]    |
Dec 05 23:02:19.941 INFO [stderr] 24 |     let last_name = String::from("张三");
Dec 05 23:02:19.941 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_last_name` instead
Dec 05 23:02:19.941 INFO [stderr] 
Dec 05 23:02:19.941 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:19.941 INFO [stderr]   --> src/main.rs:73:9
Dec 05 23:02:19.941 INFO [stderr]    |
Dec 05 23:02:19.941 INFO [stderr] 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Dec 05 23:02:19.941 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:19.941 INFO [stderr] 
Dec 05 23:02:19.942 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:19.942 INFO [stderr]   --> src/main.rs:95:9
Dec 05 23:02:19.942 INFO [stderr]    |
Dec 05 23:02:19.942 INFO [stderr] 95 |     let f = File::open("d:\\hello.txt").unwrap();
Dec 05 23:02:19.942 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:19.942 INFO [stderr] 
Dec 05 23:02:19.942 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:19.942 INFO [stderr]   --> src/main.rs:97:9
Dec 05 23:02:19.942 INFO [stderr]    |
Dec 05 23:02:19.942 INFO [stderr] 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Dec 05 23:02:19.942 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:19.942 INFO [stderr] 
Dec 05 23:02:20.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 05 23:02:20.416 INFO [stderr] su: No module specific data is present
Dec 05 23:02:20.674 INFO running `"docker" "inspect" "2c06e178c0e797a244b088b5aad8551827acf19031a914417294a7133254cbb9"`
Dec 05 23:02:20.768 INFO running `"docker" "rm" "-f" "2c06e178c0e797a244b088b5aad8551827acf19031a914417294a7133254cbb9"`
Dec 05 23:02:20.881 INFO [stdout] 2c06e178c0e797a244b088b5aad8551827acf19031a914417294a7133254cbb9
Dec 05 23:02:20.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 23:02:21.038 INFO [stdout] 55764b41aca1224afa9c7315cf7102e25a390368adc31e277daf8f7c969ac8c4
Dec 05 23:02:21.042 INFO running `"docker" "start" "-a" "55764b41aca1224afa9c7315cf7102e25a390368adc31e277daf8f7c969ac8c4"`
Dec 05 23:02:21.455 INFO [stderr] usermod: no changes
Dec 05 23:02:21.484 INFO [stderr]    Compiling var_study v0.1.0 (/source)
Dec 05 23:02:21.864 INFO [stderr] warning: unused variable: `first_name`
Dec 05 23:02:21.864 INFO [stderr]   --> src/main.rs:23:9
Dec 05 23:02:21.864 INFO [stderr]    |
Dec 05 23:02:21.864 INFO [stderr] 23 |     let first_name = String::from("0");
Dec 05 23:02:21.864 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_first_name` instead
Dec 05 23:02:21.864 INFO [stderr]    |
Dec 05 23:02:21.864 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 23:02:21.864 INFO [stderr] 
Dec 05 23:02:21.864 INFO [stderr] warning: unused variable: `last_name`
Dec 05 23:02:21.864 INFO [stderr]   --> src/main.rs:24:9
Dec 05 23:02:21.864 INFO [stderr]    |
Dec 05 23:02:21.864 INFO [stderr] 24 |     let last_name = String::from("张三");
Dec 05 23:02:21.864 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_last_name` instead
Dec 05 23:02:21.864 INFO [stderr] 
Dec 05 23:02:21.864 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:21.864 INFO [stderr]   --> src/main.rs:73:9
Dec 05 23:02:21.864 INFO [stderr]    |
Dec 05 23:02:21.864 INFO [stderr] 73 |     let f = match f {   //使用match判断打开文件是否出现错误
Dec 05 23:02:21.864 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:21.864 INFO [stderr] 
Dec 05 23:02:21.864 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:21.864 INFO [stderr]   --> src/main.rs:95:9
Dec 05 23:02:21.865 INFO [stderr]    |
Dec 05 23:02:21.865 INFO [stderr] 95 |     let f = File::open("d:\\hello.txt").unwrap();
Dec 05 23:02:21.865 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:21.865 INFO [stderr] 
Dec 05 23:02:21.865 INFO [stderr] warning: unused variable: `f`
Dec 05 23:02:21.865 INFO [stderr]   --> src/main.rs:97:9
Dec 05 23:02:21.865 INFO [stderr]    |
Dec 05 23:02:21.865 INFO [stderr] 97 |     let f = File::open("d:\\hello.txt").expect("打开文件发生错误！");
Dec 05 23:02:21.865 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 05 23:02:21.865 INFO [stderr] 
Dec 05 23:02:22.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 05 23:02:22.145 INFO [stderr] su: No module specific data is present
Dec 05 23:02:22.397 INFO running `"docker" "inspect" "55764b41aca1224afa9c7315cf7102e25a390368adc31e277daf8f7c969ac8c4"`
Dec 05 23:02:22.478 INFO running `"docker" "rm" "-f" "55764b41aca1224afa9c7315cf7102e25a390368adc31e277daf8f7c969ac8c4"`
Dec 05 23:02:22.557 INFO [stdout] 55764b41aca1224afa9c7315cf7102e25a390368adc31e277daf8f7c969ac8c4
Dec 05 23:02:22.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 23:02:22.719 INFO [stdout] 85d1b37b12139b0b51aa0eabd649762851db210271744155cc332f0b0591196d
Dec 05 23:02:22.721 INFO running `"docker" "start" "-a" "85d1b37b12139b0b51aa0eabd649762851db210271744155cc332f0b0591196d"`
Dec 05 23:02:23.101 INFO [stderr] usermod: no changes
Dec 05 23:02:23.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 23:02:23.135 INFO [stderr]      Running /target/debug/deps/var_study-71bd34abc0c207b5
Dec 05 23:02:23.137 INFO [stdout] 
Dec 05 23:02:23.137 INFO [stdout] running 0 tests
Dec 05 23:02:23.137 INFO [stdout] 
Dec 05 23:02:23.137 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 23:02:23.137 INFO [stdout] 
Dec 05 23:02:23.139 INFO [stderr] su: No module specific data is present
Dec 05 23:02:23.382 INFO running `"docker" "inspect" "85d1b37b12139b0b51aa0eabd649762851db210271744155cc332f0b0591196d"`
Dec 05 23:02:23.475 INFO running `"docker" "rm" "-f" "85d1b37b12139b0b51aa0eabd649762851db210271744155cc332f0b0591196d"`
Dec 05 23:02:23.556 INFO [stdout] 85d1b37b12139b0b51aa0eabd649762851db210271744155cc332f0b0591196d