Dec 06 01:42:30.409 INFO testing dgoetsch/glutton against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 01:42:30.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 01:42:30.651 INFO [stdout] b4065216daee48372f8cf5d9b99ca3df271c850ec002238cd78f39aa7785681e
Dec 06 01:42:30.654 INFO running `"docker" "start" "-a" "b4065216daee48372f8cf5d9b99ca3df271c850ec002238cd78f39aa7785681e"`
Dec 06 01:42:31.188 INFO [stderr] usermod: no changes
Dec 06 01:42:31.252 INFO [stderr]    Compiling rust-by-ex v0.1.0 (/source)
Dec 06 01:42:31.608 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 06 01:42:31.608 INFO [stderr]  --> src/main.rs:6:5
Dec 06 01:42:31.608 INFO [stderr]   |
Dec 06 01:42:31.608 INFO [stderr] 6 | use std::iter::Map;
Dec 06 01:42:31.608 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 06 01:42:31.608 INFO [stderr]   |
Dec 06 01:42:31.608 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 01:42:31.608 INFO [stderr] 
Dec 06 01:42:31.608 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 01:42:31.608 INFO [stderr]   --> src/main.rs:18:21
Dec 06 01:42:31.608 INFO [stderr]    |
Dec 06 01:42:31.608 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 06 01:42:31.608 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 01:42:31.608 INFO [stderr]    |
Dec 06 01:42:31.608 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 01:42:31.608 INFO [stderr] 
Dec 06 01:42:31.632 INFO [stderr] warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Dec 06 01:42:31.632 INFO [stderr]   --> src/main.rs:32:33
Dec 06 01:42:31.632 INFO [stderr]    |
Dec 06 01:42:31.632 INFO [stderr] 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Dec 06 01:42:31.632 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^
Dec 06 01:42:31.632 INFO [stderr]    |
Dec 06 01:42:31.632 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 06 01:42:31.632 INFO [stderr] 
Dec 06 01:42:31.657 INFO [stderr] warning: unused variable: `idx`
Dec 06 01:42:31.657 INFO [stderr]   --> src/main.rs:18:13
Dec 06 01:42:31.657 INFO [stderr]    |
Dec 06 01:42:31.657 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 06 01:42:31.657 INFO [stderr]    |             ^^^ help: consider using `_idx` instead
Dec 06 01:42:31.657 INFO [stderr]    |
Dec 06 01:42:31.657 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 01:42:31.657 INFO [stderr] 
Dec 06 01:42:31.657 INFO [stderr] warning: unused variable: `cd_res`
Dec 06 01:42:31.657 INFO [stderr]   --> src/main.rs:38:13
Dec 06 01:42:31.657 INFO [stderr]    |
Dec 06 01:42:31.657 INFO [stderr] 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Dec 06 01:42:31.657 INFO [stderr]    |             ^^^^^^ help: consider using `_cd_res` instead
Dec 06 01:42:31.657 INFO [stderr] 
Dec 06 01:42:31.657 INFO [stderr] warning: unused variable: `cf_res`
Dec 06 01:42:31.658 INFO [stderr]   --> src/main.rs:46:13
Dec 06 01:42:31.658 INFO [stderr]    |
Dec 06 01:42:31.658 INFO [stderr] 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Dec 06 01:42:31.658 INFO [stderr]    |             ^^^^^^ help: consider using `_cf_res` instead
Dec 06 01:42:31.658 INFO [stderr] 
Dec 06 01:42:31.672 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:42:31.672 INFO [stderr]   --> src/main.rs:23:13
Dec 06 01:42:31.672 INFO [stderr]    |
Dec 06 01:42:31.672 INFO [stderr] 23 |             handler.join();
Dec 06 01:42:31.672 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 06 01:42:31.672 INFO [stderr]    |
Dec 06 01:42:31.672 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 01:42:31.672 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:42:31.672 INFO [stderr] 
Dec 06 01:42:32.471 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 06 01:42:32.479 INFO [stderr] su: No module specific data is present
Dec 06 01:42:33.298 INFO running `"docker" "inspect" "b4065216daee48372f8cf5d9b99ca3df271c850ec002238cd78f39aa7785681e"`
Dec 06 01:42:33.454 INFO running `"docker" "rm" "-f" "b4065216daee48372f8cf5d9b99ca3df271c850ec002238cd78f39aa7785681e"`
Dec 06 01:42:33.717 INFO [stdout] b4065216daee48372f8cf5d9b99ca3df271c850ec002238cd78f39aa7785681e
Dec 06 01:42:33.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 01:42:34.127 INFO [stdout] 9b71d7b0c760b7e4f7b2f34b2bd8d873feef2949bc12aa5ce214fa9887875cb8
Dec 06 01:42:34.129 INFO running `"docker" "start" "-a" "9b71d7b0c760b7e4f7b2f34b2bd8d873feef2949bc12aa5ce214fa9887875cb8"`
Dec 06 01:42:34.618 INFO [stderr] usermod: no changes
Dec 06 01:42:34.662 INFO [stderr]    Compiling rust-by-ex v0.1.0 (/source)
Dec 06 01:42:35.070 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 06 01:42:35.070 INFO [stderr]  --> src/main.rs:6:5
Dec 06 01:42:35.070 INFO [stderr]   |
Dec 06 01:42:35.070 INFO [stderr] 6 | use std::iter::Map;
Dec 06 01:42:35.070 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 06 01:42:35.070 INFO [stderr]   |
Dec 06 01:42:35.070 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 01:42:35.070 INFO [stderr] 
Dec 06 01:42:35.070 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 01:42:35.070 INFO [stderr]   --> src/main.rs:18:21
Dec 06 01:42:35.070 INFO [stderr]    |
Dec 06 01:42:35.070 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 06 01:42:35.070 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 01:42:35.071 INFO [stderr]    |
Dec 06 01:42:35.071 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 01:42:35.071 INFO [stderr] 
Dec 06 01:42:35.096 INFO [stderr] warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Dec 06 01:42:35.096 INFO [stderr]   --> src/main.rs:32:33
Dec 06 01:42:35.096 INFO [stderr]    |
Dec 06 01:42:35.096 INFO [stderr] 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Dec 06 01:42:35.096 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^
Dec 06 01:42:35.097 INFO [stderr]    |
Dec 06 01:42:35.097 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 06 01:42:35.097 INFO [stderr] 
Dec 06 01:42:35.120 INFO [stderr] warning: unused variable: `idx`
Dec 06 01:42:35.120 INFO [stderr]   --> src/main.rs:18:13
Dec 06 01:42:35.120 INFO [stderr]    |
Dec 06 01:42:35.120 INFO [stderr] 18 |         for idx in  (0..self.at_a_time) {
Dec 06 01:42:35.120 INFO [stderr]    |             ^^^ help: consider using `_idx` instead
Dec 06 01:42:35.120 INFO [stderr]    |
Dec 06 01:42:35.120 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 01:42:35.120 INFO [stderr] 
Dec 06 01:42:35.120 INFO [stderr] warning: unused variable: `cd_res`
Dec 06 01:42:35.120 INFO [stderr]   --> src/main.rs:38:13
Dec 06 01:42:35.120 INFO [stderr]    |
Dec 06 01:42:35.120 INFO [stderr] 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Dec 06 01:42:35.120 INFO [stderr]    |             ^^^^^^ help: consider using `_cd_res` instead
Dec 06 01:42:35.120 INFO [stderr] 
Dec 06 01:42:35.120 INFO [stderr] warning: unused variable: `cf_res`
Dec 06 01:42:35.120 INFO [stderr]   --> src/main.rs:46:13
Dec 06 01:42:35.120 INFO [stderr]    |
Dec 06 01:42:35.120 INFO [stderr] 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Dec 06 01:42:35.120 INFO [stderr]    |             ^^^^^^ help: consider using `_cf_res` instead
Dec 06 01:42:35.120 INFO [stderr] 
Dec 06 01:42:35.129 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:42:35.129 INFO [stderr]   --> src/main.rs:23:13
Dec 06 01:42:35.129 INFO [stderr]    |
Dec 06 01:42:35.129 INFO [stderr] 23 |             handler.join();
Dec 06 01:42:35.129 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 06 01:42:35.129 INFO [stderr]    |
Dec 06 01:42:35.129 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 01:42:35.129 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:42:35.129 INFO [stderr] 
Dec 06 01:42:35.389 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 06 01:42:35.392 INFO [stderr] su: No module specific data is present
Dec 06 01:42:35.661 INFO running `"docker" "inspect" "9b71d7b0c760b7e4f7b2f34b2bd8d873feef2949bc12aa5ce214fa9887875cb8"`
Dec 06 01:42:35.746 INFO running `"docker" "rm" "-f" "9b71d7b0c760b7e4f7b2f34b2bd8d873feef2949bc12aa5ce214fa9887875cb8"`
Dec 06 01:42:35.866 INFO [stdout] 9b71d7b0c760b7e4f7b2f34b2bd8d873feef2949bc12aa5ce214fa9887875cb8
Dec 06 01:42:35.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 01:42:36.127 INFO [stdout] 2e953acf9360472659cac781a40320fb4bacd7c666da90246d9cd73516d72f42
Dec 06 01:42:36.134 INFO running `"docker" "start" "-a" "2e953acf9360472659cac781a40320fb4bacd7c666da90246d9cd73516d72f42"`
Dec 06 01:42:36.469 INFO [stderr] usermod: no changes
Dec 06 01:42:36.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 01:42:36.519 INFO [stderr]      Running /target/debug/deps/rust_by_ex-4884e3ac1ebaf3b5
Dec 06 01:42:36.523 INFO [stdout] 
Dec 06 01:42:36.523 INFO [stdout] running 0 tests
Dec 06 01:42:36.523 INFO [stdout] 
Dec 06 01:42:36.523 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 01:42:36.523 INFO [stdout] 
Dec 06 01:42:36.525 INFO [stderr] su: No module specific data is present
Dec 06 01:42:36.786 INFO running `"docker" "inspect" "2e953acf9360472659cac781a40320fb4bacd7c666da90246d9cd73516d72f42"`
Dec 06 01:42:36.875 INFO running `"docker" "rm" "-f" "2e953acf9360472659cac781a40320fb4bacd7c666da90246d9cd73516d72f42"`
Dec 06 01:42:36.976 INFO [stdout] 2e953acf9360472659cac781a40320fb4bacd7c666da90246d9cd73516d72f42