Oct 27 05:48:56.924 INFO checking dgoetsch/glutton against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 05:48:56.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 05:48:57.375 INFO blam! a7a69fab4bceda7561c8953ec9c584aab941569878d3568bef7dea96b6939c6c
Oct 27 05:48:57.377 INFO running `"docker" "start" "-a" "a7a69fab4bceda7561c8953ec9c584aab941569878d3568bef7dea96b6939c6c"`
Oct 27 05:48:59.267 INFO kablam! usermod: no changes
Oct 27 05:48:59.403 INFO kablam!     Checking rust-by-ex v0.1.0 (/source)
Oct 27 05:49:00.299 INFO kablam! warning: unused import: `std::iter::Map`
Oct 27 05:49:00.299 INFO kablam!  --> src/main.rs:6:5
Oct 27 05:49:00.299 INFO kablam!   |
Oct 27 05:49:00.299 INFO kablam! 6 | use std::iter::Map;
Oct 27 05:49:00.299 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 27 05:49:00.299 INFO kablam!   |
Oct 27 05:49:00.299 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 05:49:00.299 INFO kablam! 
Oct 27 05:49:00.299 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 27 05:49:00.299 INFO kablam!   --> src/main.rs:18:21
Oct 27 05:49:00.299 INFO kablam!    |
Oct 27 05:49:00.299 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Oct 27 05:49:00.299 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 27 05:49:00.299 INFO kablam!    |
Oct 27 05:49:00.299 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 27 05:49:00.299 INFO kablam! 
Oct 27 05:49:00.331 INFO kablam! warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Oct 27 05:49:00.331 INFO kablam!   --> src/main.rs:32:33
Oct 27 05:49:00.331 INFO kablam!    |
Oct 27 05:49:00.331 INFO kablam! 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Oct 27 05:49:00.331 INFO kablam!    |                                 ^^^^^^^^^^^^^^^
Oct 27 05:49:00.331 INFO kablam!    |
Oct 27 05:49:00.331 INFO kablam!    = note: #[warn(deprecated)] on by default
Oct 27 05:49:00.331 INFO kablam! 
Oct 27 05:49:00.379 INFO kablam! warning: unused variable: `idx`
Oct 27 05:49:00.379 INFO kablam!   --> src/main.rs:18:13
Oct 27 05:49:00.379 INFO kablam!    |
Oct 27 05:49:00.379 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Oct 27 05:49:00.379 INFO kablam!    |             ^^^ help: consider using `_idx` instead
Oct 27 05:49:00.379 INFO kablam!    |
Oct 27 05:49:00.379 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 05:49:00.379 INFO kablam! 
Oct 27 05:49:00.379 INFO kablam! warning: unused variable: `cd_res`
Oct 27 05:49:00.379 INFO kablam!   --> src/main.rs:38:13
Oct 27 05:49:00.379 INFO kablam!    |
Oct 27 05:49:00.379 INFO kablam! 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Oct 27 05:49:00.379 INFO kablam!    |             ^^^^^^ help: consider using `_cd_res` instead
Oct 27 05:49:00.379 INFO kablam! 
Oct 27 05:49:00.379 INFO kablam! warning: unused variable: `cf_res`
Oct 27 05:49:00.379 INFO kablam!   --> src/main.rs:46:13
Oct 27 05:49:00.379 INFO kablam!    |
Oct 27 05:49:00.379 INFO kablam! 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Oct 27 05:49:00.379 INFO kablam!    |             ^^^^^^ help: consider using `_cf_res` instead
Oct 27 05:49:00.379 INFO kablam! 
Oct 27 05:49:00.395 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 05:49:00.395 INFO kablam!   --> src/main.rs:23:13
Oct 27 05:49:00.395 INFO kablam!    |
Oct 27 05:49:00.395 INFO kablam! 23 |             handler.join();
Oct 27 05:49:00.395 INFO kablam!    |             ^^^^^^^^^^^^^^^
Oct 27 05:49:00.395 INFO kablam!    |
Oct 27 05:49:00.395 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 05:49:00.395 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 05:49:00.395 INFO kablam! 
Oct 27 05:49:00.487 INFO kablam! warning: unused import: `std::iter::Map`
Oct 27 05:49:00.487 INFO kablam!  --> src/main.rs:6:5
Oct 27 05:49:00.487 INFO kablam!   |
Oct 27 05:49:00.487 INFO kablam! 6 | use std::iter::Map;
Oct 27 05:49:00.487 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 27 05:49:00.487 INFO kablam!   |
Oct 27 05:49:00.487 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 05:49:00.487 INFO kablam! 
Oct 27 05:49:00.487 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 27 05:49:00.487 INFO kablam!   --> src/main.rs:18:21
Oct 27 05:49:00.487 INFO kablam!    |
Oct 27 05:49:00.487 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Oct 27 05:49:00.487 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 27 05:49:00.487 INFO kablam!    |
Oct 27 05:49:00.487 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 27 05:49:00.487 INFO kablam! 
Oct 27 05:49:00.560 INFO kablam! warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Oct 27 05:49:00.560 INFO kablam!   --> src/main.rs:32:33
Oct 27 05:49:00.560 INFO kablam!    |
Oct 27 05:49:00.560 INFO kablam! 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Oct 27 05:49:00.560 INFO kablam!    |                                 ^^^^^^^^^^^^^^^
Oct 27 05:49:00.560 INFO kablam!    |
Oct 27 05:49:00.563 INFO kablam!    = note: #[warn(deprecated)] on by default
Oct 27 05:49:00.563 INFO kablam! 
Oct 27 05:49:00.599 INFO kablam! warning: unused variable: `idx`
Oct 27 05:49:00.599 INFO kablam!   --> src/main.rs:18:13
Oct 27 05:49:00.599 INFO kablam!    |
Oct 27 05:49:00.599 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Oct 27 05:49:00.599 INFO kablam!    |             ^^^ help: consider using `_idx` instead
Oct 27 05:49:00.599 INFO kablam!    |
Oct 27 05:49:00.599 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 05:49:00.599 INFO kablam! 
Oct 27 05:49:00.607 INFO kablam! warning: unused variable: `cd_res`
Oct 27 05:49:00.607 INFO kablam!   --> src/main.rs:38:13
Oct 27 05:49:00.607 INFO kablam!    |
Oct 27 05:49:00.607 INFO kablam! 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Oct 27 05:49:00.607 INFO kablam!    |             ^^^^^^ help: consider using `_cd_res` instead
Oct 27 05:49:00.607 INFO kablam! 
Oct 27 05:49:00.607 INFO kablam! warning: unused variable: `cf_res`
Oct 27 05:49:00.607 INFO kablam!   --> src/main.rs:46:13
Oct 27 05:49:00.607 INFO kablam!    |
Oct 27 05:49:00.607 INFO kablam! 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Oct 27 05:49:00.607 INFO kablam!    |             ^^^^^^ help: consider using `_cf_res` instead
Oct 27 05:49:00.607 INFO kablam! 
Oct 27 05:49:00.615 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 05:49:00.615 INFO kablam!   --> src/main.rs:23:13
Oct 27 05:49:00.615 INFO kablam!    |
Oct 27 05:49:00.615 INFO kablam! 23 |             handler.join();
Oct 27 05:49:00.615 INFO kablam!    |             ^^^^^^^^^^^^^^^
Oct 27 05:49:00.615 INFO kablam!    |
Oct 27 05:49:00.615 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 05:49:00.615 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 05:49:00.615 INFO kablam! 
Oct 27 05:49:00.647 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Oct 27 05:49:00.663 INFO kablam! su: No module specific data is present
Oct 27 05:49:01.683 INFO running `"docker" "rm" "-f" "a7a69fab4bceda7561c8953ec9c584aab941569878d3568bef7dea96b6939c6c"`
Oct 27 05:49:01.967 INFO blam! a7a69fab4bceda7561c8953ec9c584aab941569878d3568bef7dea96b6939c6c