Dec 01 19:29:07.946 INFO testing dgoetsch/glutton against 1.30.1 for beta-1.31-5
Dec 01 19:29:07.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:29:08.254 INFO [stdout] 7edf1b417cf3f97958c299afaf390f3d020ab5f17e6dbab32624d4499243a65d
Dec 01 19:29:08.256 INFO running `"docker" "start" "-a" "7edf1b417cf3f97958c299afaf390f3d020ab5f17e6dbab32624d4499243a65d"`
Dec 01 19:29:08.724 INFO [stderr] usermod: no changes
Dec 01 19:29:08.766 INFO [stderr]    Compiling rust-by-ex v0.1.0 (/source)
Dec 01 19:29:09.249 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 01 19:29:09.249 INFO [stderr]  --> src/main.rs:6:5
Dec 01 19:29:09.249 INFO [stderr]   |
Dec 01 19:29:09.249 INFO [stderr] 6 | use std::iter::Map;
Dec 01 19:29:09.249 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 01 19:29:09.249 INFO [stderr]   |
Dec 01 19:29:09.249 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 19:29:09.249 INFO [stderr] 
Dec 01 19:29:09.249 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 19:29:09.249 INFO [stderr]   --> src/main.rs:18:21
Dec 01 19:29:09.249 INFO [stderr]    |
Dec 01 19:29:09.249 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 01 19:29:09.249 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 19:29:09.249 INFO [stderr]    |
Dec 01 19:29:09.249 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 01 19:29:09.249 INFO [stderr] 
Dec 01 19:29:09.295 INFO [stderr] warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Dec 01 19:29:09.295 INFO [stderr]   --> src/main.rs:32:33
Dec 01 19:29:09.295 INFO [stderr]    |
Dec 01 19:29:09.295 INFO [stderr] 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Dec 01 19:29:09.295 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^
Dec 01 19:29:09.295 INFO [stderr]    |
Dec 01 19:29:09.295 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 01 19:29:09.295 INFO [stderr] 
Dec 01 19:29:09.333 INFO [stderr] warning: unused variable: `idx`
Dec 01 19:29:09.333 INFO [stderr]   --> src/main.rs:18:13
Dec 01 19:29:09.333 INFO [stderr]    |
Dec 01 19:29:09.333 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 01 19:29:09.333 INFO [stderr]    |             ^^^ help: consider using `_idx` instead
Dec 01 19:29:09.333 INFO [stderr]    |
Dec 01 19:29:09.333 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 19:29:09.333 INFO [stderr] 
Dec 01 19:29:09.333 INFO [stderr] warning: unused variable: `cd_res`
Dec 01 19:29:09.333 INFO [stderr]   --> src/main.rs:38:13
Dec 01 19:29:09.333 INFO [stderr]    |
Dec 01 19:29:09.333 INFO [stderr] 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Dec 01 19:29:09.333 INFO [stderr]    |             ^^^^^^ help: consider using `_cd_res` instead
Dec 01 19:29:09.333 INFO [stderr] 
Dec 01 19:29:09.333 INFO [stderr] warning: unused variable: `cf_res`
Dec 01 19:29:09.333 INFO [stderr]   --> src/main.rs:46:13
Dec 01 19:29:09.333 INFO [stderr]    |
Dec 01 19:29:09.333 INFO [stderr] 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Dec 01 19:29:09.333 INFO [stderr]    |             ^^^^^^ help: consider using `_cf_res` instead
Dec 01 19:29:09.333 INFO [stderr] 
Dec 01 19:29:09.343 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 19:29:09.343 INFO [stderr]   --> src/main.rs:23:13
Dec 01 19:29:09.343 INFO [stderr]    |
Dec 01 19:29:09.343 INFO [stderr] 23 |             handler.join();
Dec 01 19:29:09.343 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 01 19:29:09.343 INFO [stderr]    |
Dec 01 19:29:09.343 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 19:29:09.343 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:29:09.343 INFO [stderr] 
Dec 01 19:29:10.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 01 19:29:10.055 INFO [stderr] su: No module specific data is present
Dec 01 19:29:10.686 INFO running `"docker" "inspect" "7edf1b417cf3f97958c299afaf390f3d020ab5f17e6dbab32624d4499243a65d"`
Dec 01 19:29:11.079 INFO running `"docker" "rm" "-f" "7edf1b417cf3f97958c299afaf390f3d020ab5f17e6dbab32624d4499243a65d"`
Dec 01 19:29:11.367 INFO [stdout] 7edf1b417cf3f97958c299afaf390f3d020ab5f17e6dbab32624d4499243a65d
Dec 01 19:29:11.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:29:11.791 INFO [stdout] 256af531c528269a40e909a39a17cf9f6609074c11319aa0e58e04e5ae9bb4ee
Dec 01 19:29:11.795 INFO running `"docker" "start" "-a" "256af531c528269a40e909a39a17cf9f6609074c11319aa0e58e04e5ae9bb4ee"`
Dec 01 19:29:12.731 INFO [stderr] usermod: no changes
Dec 01 19:29:12.844 INFO [stderr]    Compiling rust-by-ex v0.1.0 (/source)
Dec 01 19:29:13.435 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 01 19:29:13.435 INFO [stderr]  --> src/main.rs:6:5
Dec 01 19:29:13.435 INFO [stderr]   |
Dec 01 19:29:13.435 INFO [stderr] 6 | use std::iter::Map;
Dec 01 19:29:13.435 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 01 19:29:13.435 INFO [stderr]   |
Dec 01 19:29:13.435 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 19:29:13.435 INFO [stderr] 
Dec 01 19:29:13.435 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 19:29:13.435 INFO [stderr]   --> src/main.rs:18:21
Dec 01 19:29:13.435 INFO [stderr]    |
Dec 01 19:29:13.435 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 01 19:29:13.435 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 19:29:13.435 INFO [stderr]    |
Dec 01 19:29:13.435 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 01 19:29:13.435 INFO [stderr] 
Dec 01 19:29:13.480 INFO [stderr] warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Dec 01 19:29:13.480 INFO [stderr]   --> src/main.rs:32:33
Dec 01 19:29:13.480 INFO [stderr]    |
Dec 01 19:29:13.480 INFO [stderr] 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Dec 01 19:29:13.480 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^
Dec 01 19:29:13.480 INFO [stderr]    |
Dec 01 19:29:13.481 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 01 19:29:13.481 INFO [stderr] 
Dec 01 19:29:13.499 INFO [stderr] warning: unused variable: `idx`
Dec 01 19:29:13.499 INFO [stderr]   --> src/main.rs:18:13
Dec 01 19:29:13.499 INFO [stderr]    |
Dec 01 19:29:13.499 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 01 19:29:13.499 INFO [stderr]    |             ^^^ help: consider using `_idx` instead
Dec 01 19:29:13.499 INFO [stderr]    |
Dec 01 19:29:13.499 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 19:29:13.499 INFO [stderr] 
Dec 01 19:29:13.499 INFO [stderr] warning: unused variable: `cd_res`
Dec 01 19:29:13.499 INFO [stderr]   --> src/main.rs:38:13
Dec 01 19:29:13.499 INFO [stderr]    |
Dec 01 19:29:13.499 INFO [stderr] 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Dec 01 19:29:13.499 INFO [stderr]    |             ^^^^^^ help: consider using `_cd_res` instead
Dec 01 19:29:13.499 INFO [stderr] 
Dec 01 19:29:13.499 INFO [stderr] warning: unused variable: `cf_res`
Dec 01 19:29:13.499 INFO [stderr]   --> src/main.rs:46:13
Dec 01 19:29:13.499 INFO [stderr]    |
Dec 01 19:29:13.499 INFO [stderr] 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Dec 01 19:29:13.499 INFO [stderr]    |             ^^^^^^ help: consider using `_cf_res` instead
Dec 01 19:29:13.499 INFO [stderr] 
Dec 01 19:29:13.503 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 19:29:13.503 INFO [stderr]   --> src/main.rs:23:13
Dec 01 19:29:13.503 INFO [stderr]    |
Dec 01 19:29:13.503 INFO [stderr] 23 |             handler.join();
Dec 01 19:29:13.503 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 01 19:29:13.503 INFO [stderr]    |
Dec 01 19:29:13.503 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 19:29:13.503 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:29:13.503 INFO [stderr] 
Dec 01 19:29:13.850 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 01 19:29:13.853 INFO [stderr] su: No module specific data is present
Dec 01 19:29:14.189 INFO running `"docker" "inspect" "256af531c528269a40e909a39a17cf9f6609074c11319aa0e58e04e5ae9bb4ee"`
Dec 01 19:29:14.365 INFO running `"docker" "rm" "-f" "256af531c528269a40e909a39a17cf9f6609074c11319aa0e58e04e5ae9bb4ee"`
Dec 01 19:29:14.477 INFO [stdout] 256af531c528269a40e909a39a17cf9f6609074c11319aa0e58e04e5ae9bb4ee
Dec 01 19:29:14.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:29:14.809 INFO [stdout] abad7c217ec5e9f5df8214af7ebb1c37ad45dbd9012c238a45aff3dba62805f5
Dec 01 19:29:14.811 INFO running `"docker" "start" "-a" "abad7c217ec5e9f5df8214af7ebb1c37ad45dbd9012c238a45aff3dba62805f5"`
Dec 01 19:29:15.247 INFO [stderr] usermod: no changes
Dec 01 19:29:15.289 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 01 19:29:15.289 INFO [stderr]      Running /target/debug/deps/rust_by_ex-997e72073da44ba6
Dec 01 19:29:15.294 INFO [stdout] 
Dec 01 19:29:15.294 INFO [stdout] running 0 tests
Dec 01 19:29:15.294 INFO [stdout] 
Dec 01 19:29:15.294 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 19:29:15.294 INFO [stdout] 
Dec 01 19:29:15.295 INFO [stderr] su: No module specific data is present
Dec 01 19:29:15.592 INFO running `"docker" "inspect" "abad7c217ec5e9f5df8214af7ebb1c37ad45dbd9012c238a45aff3dba62805f5"`
Dec 01 19:29:15.778 INFO running `"docker" "rm" "-f" "abad7c217ec5e9f5df8214af7ebb1c37ad45dbd9012c238a45aff3dba62805f5"`
Dec 01 19:29:15.879 INFO [stdout] abad7c217ec5e9f5df8214af7ebb1c37ad45dbd9012c238a45aff3dba62805f5
