Nov 01 06:06:58.755 INFO checking dgoetsch/glutton against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 06:06:58.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 06:06:59.157 INFO blam! 6d8144065454e69616cfa1c023af38ee3b5a1e3e83609199f6da0df7e5dfd76e
Nov 01 06:06:59.157 INFO running `"docker" "start" "-a" "6d8144065454e69616cfa1c023af38ee3b5a1e3e83609199f6da0df7e5dfd76e"`
Nov 01 06:06:59.820 INFO kablam! usermod: no changes
Nov 01 06:06:59.877 INFO kablam!     Checking rust-by-ex v0.1.0 (/source)
Nov 01 06:07:00.316 INFO kablam! warning: unused import: `std::iter::Map`
Nov 01 06:07:00.316 INFO kablam!  --> src/main.rs:6:5
Nov 01 06:07:00.316 INFO kablam!   |
Nov 01 06:07:00.316 INFO kablam! 6 | use std::iter::Map;
Nov 01 06:07:00.316 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 01 06:07:00.316 INFO kablam!   |
Nov 01 06:07:00.316 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 06:07:00.316 INFO kablam! 
Nov 01 06:07:00.316 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 01 06:07:00.316 INFO kablam!   --> src/main.rs:18:21
Nov 01 06:07:00.316 INFO kablam!    |
Nov 01 06:07:00.316 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 01 06:07:00.316 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 01 06:07:00.316 INFO kablam!    |
Nov 01 06:07:00.316 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 01 06:07:00.316 INFO kablam! 
Nov 01 06:07:00.344 INFO kablam! warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Nov 01 06:07:00.344 INFO kablam!   --> src/main.rs:32:33
Nov 01 06:07:00.344 INFO kablam!    |
Nov 01 06:07:00.344 INFO kablam! 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Nov 01 06:07:00.344 INFO kablam!    |                                 ^^^^^^^^^^^^^^^
Nov 01 06:07:00.344 INFO kablam!    |
Nov 01 06:07:00.344 INFO kablam!    = note: #[warn(deprecated)] on by default
Nov 01 06:07:00.344 INFO kablam! 
Nov 01 06:07:00.368 INFO kablam! warning: unused import: `std::iter::Map`
Nov 01 06:07:00.368 INFO kablam!  --> src/main.rs:6:5
Nov 01 06:07:00.368 INFO kablam!   |
Nov 01 06:07:00.368 INFO kablam! 6 | use std::iter::Map;
Nov 01 06:07:00.368 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 01 06:07:00.368 INFO kablam!   |
Nov 01 06:07:00.368 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 06:07:00.368 INFO kablam! 
Nov 01 06:07:00.368 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 01 06:07:00.368 INFO kablam!   --> src/main.rs:18:21
Nov 01 06:07:00.368 INFO kablam!    |
Nov 01 06:07:00.368 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 01 06:07:00.368 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 01 06:07:00.368 INFO kablam!    |
Nov 01 06:07:00.368 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 01 06:07:00.368 INFO kablam! 
Nov 01 06:07:00.372 INFO kablam! warning: unused variable: `idx`
Nov 01 06:07:00.372 INFO kablam!   --> src/main.rs:18:13
Nov 01 06:07:00.372 INFO kablam!    |
Nov 01 06:07:00.372 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 01 06:07:00.372 INFO kablam!    |             ^^^ help: consider using `_idx` instead
Nov 01 06:07:00.372 INFO kablam!    |
Nov 01 06:07:00.372 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 06:07:00.372 INFO kablam! 
Nov 01 06:07:00.376 INFO kablam! warning: unused variable: `cd_res`
Nov 01 06:07:00.376 INFO kablam!   --> src/main.rs:38:13
Nov 01 06:07:00.376 INFO kablam!    |
Nov 01 06:07:00.376 INFO kablam! 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Nov 01 06:07:00.376 INFO kablam!    |             ^^^^^^ help: consider using `_cd_res` instead
Nov 01 06:07:00.376 INFO kablam! 
Nov 01 06:07:00.376 INFO kablam! warning: unused variable: `cf_res`
Nov 01 06:07:00.376 INFO kablam!   --> src/main.rs:46:13
Nov 01 06:07:00.376 INFO kablam!    |
Nov 01 06:07:00.376 INFO kablam! 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Nov 01 06:07:00.376 INFO kablam!    |             ^^^^^^ help: consider using `_cf_res` instead
Nov 01 06:07:00.376 INFO kablam! 
Nov 01 06:07:00.388 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 06:07:00.388 INFO kablam!   --> src/main.rs:23:13
Nov 01 06:07:00.388 INFO kablam!    |
Nov 01 06:07:00.388 INFO kablam! 23 |             handler.join();
Nov 01 06:07:00.388 INFO kablam!    |             ^^^^^^^^^^^^^^^
Nov 01 06:07:00.388 INFO kablam!    |
Nov 01 06:07:00.388 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 06:07:00.388 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 06:07:00.388 INFO kablam! 
Nov 01 06:07:00.401 INFO kablam! warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Nov 01 06:07:00.401 INFO kablam!   --> src/main.rs:32:33
Nov 01 06:07:00.401 INFO kablam!    |
Nov 01 06:07:00.401 INFO kablam! 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Nov 01 06:07:00.402 INFO kablam!    |                                 ^^^^^^^^^^^^^^^
Nov 01 06:07:00.402 INFO kablam!    |
Nov 01 06:07:00.402 INFO kablam!    = note: #[warn(deprecated)] on by default
Nov 01 06:07:00.403 INFO kablam! 
Nov 01 06:07:00.429 INFO kablam! warning: unused variable: `idx`
Nov 01 06:07:00.429 INFO kablam!   --> src/main.rs:18:13
Nov 01 06:07:00.429 INFO kablam!    |
Nov 01 06:07:00.430 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 01 06:07:00.430 INFO kablam!    |             ^^^ help: consider using `_idx` instead
Nov 01 06:07:00.430 INFO kablam!    |
Nov 01 06:07:00.431 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 06:07:00.431 INFO kablam! 
Nov 01 06:07:00.431 INFO kablam! warning: unused variable: `cd_res`
Nov 01 06:07:00.432 INFO kablam!   --> src/main.rs:38:13
Nov 01 06:07:00.432 INFO kablam!    |
Nov 01 06:07:00.432 INFO kablam! 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Nov 01 06:07:00.433 INFO kablam!    |             ^^^^^^ help: consider using `_cd_res` instead
Nov 01 06:07:00.433 INFO kablam! 
Nov 01 06:07:00.433 INFO kablam! warning: unused variable: `cf_res`
Nov 01 06:07:00.433 INFO kablam!   --> src/main.rs:46:13
Nov 01 06:07:00.434 INFO kablam!    |
Nov 01 06:07:00.434 INFO kablam! 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Nov 01 06:07:00.434 INFO kablam!    |             ^^^^^^ help: consider using `_cf_res` instead
Nov 01 06:07:00.435 INFO kablam! 
Nov 01 06:07:00.441 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 06:07:00.441 INFO kablam!   --> src/main.rs:23:13
Nov 01 06:07:00.441 INFO kablam!    |
Nov 01 06:07:00.441 INFO kablam! 23 |             handler.join();
Nov 01 06:07:00.442 INFO kablam!    |             ^^^^^^^^^^^^^^^
Nov 01 06:07:00.442 INFO kablam!    |
Nov 01 06:07:00.442 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 06:07:00.442 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 06:07:00.442 INFO kablam! 
Nov 01 06:07:00.456 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Nov 01 06:07:00.472 INFO kablam! su: No module specific data is present
Nov 01 06:07:01.081 INFO running `"docker" "rm" "-f" "6d8144065454e69616cfa1c023af38ee3b5a1e3e83609199f6da0df7e5dfd76e"`
Nov 01 06:07:01.183 INFO blam! 6d8144065454e69616cfa1c023af38ee3b5a1e3e83609199f6da0df7e5dfd76e