Nov 02 15:36:55.454 INFO checking dgoetsch/glutton against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 15:36:55.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 15:36:55.676 INFO blam! 28510e3eb8b6d4a920d82c746dda27960445f460a8f0c655cd640e6126d5d3e1
Nov 02 15:36:55.680 INFO running `"docker" "start" "-a" "28510e3eb8b6d4a920d82c746dda27960445f460a8f0c655cd640e6126d5d3e1"`
Nov 02 15:36:56.296 INFO kablam! usermod: no changes
Nov 02 15:36:56.360 INFO kablam!     Checking rust-by-ex v0.1.0 (/source)
Nov 02 15:36:56.792 INFO kablam! warning: unused import: `std::iter::Map`
Nov 02 15:36:56.792 INFO kablam!  --> src/main.rs:6:5
Nov 02 15:36:56.792 INFO kablam!   |
Nov 02 15:36:56.792 INFO kablam! 6 | use std::iter::Map;
Nov 02 15:36:56.792 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 02 15:36:56.792 INFO kablam!   |
Nov 02 15:36:56.792 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 15:36:56.792 INFO kablam! 
Nov 02 15:36:56.792 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 02 15:36:56.792 INFO kablam!   --> src/main.rs:18:21
Nov 02 15:36:56.792 INFO kablam!    |
Nov 02 15:36:56.792 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 02 15:36:56.792 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 15:36:56.792 INFO kablam!    |
Nov 02 15:36:56.792 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 02 15:36:56.792 INFO kablam! 
Nov 02 15:36:56.808 INFO kablam! warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Nov 02 15:36:56.808 INFO kablam!   --> src/main.rs:32:33
Nov 02 15:36:56.808 INFO kablam!    |
Nov 02 15:36:56.808 INFO kablam! 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Nov 02 15:36:56.808 INFO kablam!    |                                 ^^^^^^^^^^^^^^^
Nov 02 15:36:56.808 INFO kablam!    |
Nov 02 15:36:56.808 INFO kablam!    = note: #[warn(deprecated)] on by default
Nov 02 15:36:56.808 INFO kablam! 
Nov 02 15:36:56.828 INFO kablam! warning: unused variable: `idx`
Nov 02 15:36:56.828 INFO kablam!   --> src/main.rs:18:13
Nov 02 15:36:56.828 INFO kablam!    |
Nov 02 15:36:56.828 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 02 15:36:56.828 INFO kablam!    |             ^^^ help: consider using `_idx` instead
Nov 02 15:36:56.828 INFO kablam!    |
Nov 02 15:36:56.828 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 15:36:56.828 INFO kablam! 
Nov 02 15:36:56.828 INFO kablam! warning: unused variable: `cd_res`
Nov 02 15:36:56.828 INFO kablam!   --> src/main.rs:38:13
Nov 02 15:36:56.828 INFO kablam!    |
Nov 02 15:36:56.828 INFO kablam! 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Nov 02 15:36:56.828 INFO kablam!    |             ^^^^^^ help: consider using `_cd_res` instead
Nov 02 15:36:56.828 INFO kablam! 
Nov 02 15:36:56.828 INFO kablam! warning: unused variable: `cf_res`
Nov 02 15:36:56.828 INFO kablam!   --> src/main.rs:46:13
Nov 02 15:36:56.828 INFO kablam!    |
Nov 02 15:36:56.828 INFO kablam! 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Nov 02 15:36:56.828 INFO kablam!    |             ^^^^^^ help: consider using `_cf_res` instead
Nov 02 15:36:56.828 INFO kablam! 
Nov 02 15:36:56.840 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 15:36:56.840 INFO kablam!   --> src/main.rs:23:13
Nov 02 15:36:56.840 INFO kablam!    |
Nov 02 15:36:56.840 INFO kablam! 23 |             handler.join();
Nov 02 15:36:56.840 INFO kablam!    |             ^^^^^^^^^^^^^^^
Nov 02 15:36:56.840 INFO kablam!    |
Nov 02 15:36:56.840 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 15:36:56.840 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 15:36:56.840 INFO kablam! 
Nov 02 15:36:57.188 INFO kablam! warning: unused import: `std::iter::Map`
Nov 02 15:36:57.189 INFO kablam!  --> src/main.rs:6:5
Nov 02 15:36:57.189 INFO kablam!   |
Nov 02 15:36:57.189 INFO kablam! 6 | use std::iter::Map;
Nov 02 15:36:57.189 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 02 15:36:57.189 INFO kablam!   |
Nov 02 15:36:57.189 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 15:36:57.189 INFO kablam! 
Nov 02 15:36:57.189 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 02 15:36:57.189 INFO kablam!   --> src/main.rs:18:21
Nov 02 15:36:57.189 INFO kablam!    |
Nov 02 15:36:57.189 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 02 15:36:57.189 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 15:36:57.189 INFO kablam!    |
Nov 02 15:36:57.189 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 02 15:36:57.189 INFO kablam! 
Nov 02 15:36:57.236 INFO kablam! warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
Nov 02 15:36:57.236 INFO kablam!   --> src/main.rs:32:33
Nov 02 15:36:57.236 INFO kablam!    |
Nov 02 15:36:57.236 INFO kablam! 32 |         let name = thread_rng().gen_ascii_chars().take(10) .collect::<String>();
Nov 02 15:36:57.236 INFO kablam!    |                                 ^^^^^^^^^^^^^^^
Nov 02 15:36:57.236 INFO kablam!    |
Nov 02 15:36:57.236 INFO kablam!    = note: #[warn(deprecated)] on by default
Nov 02 15:36:57.236 INFO kablam! 
Nov 02 15:36:57.268 INFO kablam! warning: unused variable: `idx`
Nov 02 15:36:57.268 INFO kablam!   --> src/main.rs:18:13
Nov 02 15:36:57.268 INFO kablam!    |
Nov 02 15:36:57.268 INFO kablam! 18 |         for idx in  (0..self.at_a_time) {
Nov 02 15:36:57.268 INFO kablam!    |             ^^^ help: consider using `_idx` instead
Nov 02 15:36:57.268 INFO kablam!    |
Nov 02 15:36:57.268 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 15:36:57.268 INFO kablam! 
Nov 02 15:36:57.270 INFO kablam! warning: unused variable: `cd_res`
Nov 02 15:36:57.270 INFO kablam!   --> src/main.rs:38:13
Nov 02 15:36:57.270 INFO kablam!    |
Nov 02 15:36:57.270 INFO kablam! 38 |         let cd_res = std::fs::create_dir_all(sub_dir.as_str());
Nov 02 15:36:57.270 INFO kablam!    |             ^^^^^^ help: consider using `_cd_res` instead
Nov 02 15:36:57.270 INFO kablam! 
Nov 02 15:36:57.270 INFO kablam! warning: unused variable: `cf_res`
Nov 02 15:36:57.270 INFO kablam!   --> src/main.rs:46:13
Nov 02 15:36:57.270 INFO kablam!    |
Nov 02 15:36:57.270 INFO kablam! 46 |         let cf_res = std::fs::File::create(file_name.as_str())
Nov 02 15:36:57.270 INFO kablam!    |             ^^^^^^ help: consider using `_cf_res` instead
Nov 02 15:36:57.270 INFO kablam! 
Nov 02 15:36:57.287 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 15:36:57.287 INFO kablam!   --> src/main.rs:23:13
Nov 02 15:36:57.287 INFO kablam!    |
Nov 02 15:36:57.287 INFO kablam! 23 |             handler.join();
Nov 02 15:36:57.287 INFO kablam!    |             ^^^^^^^^^^^^^^^
Nov 02 15:36:57.287 INFO kablam!    |
Nov 02 15:36:57.287 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 15:36:57.287 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 15:36:57.287 INFO kablam! 
Nov 02 15:36:57.334 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Nov 02 15:36:57.337 INFO kablam! su: No module specific data is present
Nov 02 15:36:58.431 INFO running `"docker" "rm" "-f" "28510e3eb8b6d4a920d82c746dda27960445f460a8f0c655cd640e6126d5d3e1"`
Nov 02 15:36:58.812 INFO blam! 28510e3eb8b6d4a920d82c746dda27960445f460a8f0c655cd640e6126d5d3e1