Aug 30 20:46:19.467 INFO checking cracker-0.1.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 20:46:19.467 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 20:46:19.467 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:46:19.681 INFO blam! 013cce2c9008809fd6684452cadcd5bb002358e5d3570e5c7d0703a339c9de45
Aug 30 20:46:19.682 INFO running `"docker" "start" "-a" "013cce2c9008809fd6684452cadcd5bb002358e5d3570e5c7d0703a339c9de45"`
Aug 30 20:46:20.545 INFO kablam!     Checking pwhash v0.1.2
Aug 30 20:46:22.830 INFO kablam!     Checking cracker v0.1.0 (file:///source)
Aug 30 20:46:24.276 INFO kablam! warning: unused import: `std::thread`
Aug 30 20:46:24.277 INFO kablam!  --> src/lib.rs:6:5
Aug 30 20:46:24.277 INFO kablam!   |
Aug 30 20:46:24.277 INFO kablam! 6 | use std::thread;
Aug 30 20:46:24.277 INFO kablam!   |     ^^^^^^^^^^^
Aug 30 20:46:24.277 INFO kablam!   |
Aug 30 20:46:24.277 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 20:46:24.277 INFO kablam! 
Aug 30 20:46:24.277 INFO kablam! warning: unused imports: `Blake2b`, `Digest`
Aug 30 20:46:24.277 INFO kablam!   --> src/lib.rs:15:14
Aug 30 20:46:24.277 INFO kablam!    |
Aug 30 20:46:24.277 INFO kablam! 15 | use blake2::{Blake2b, Digest};
Aug 30 20:46:24.277 INFO kablam!    |              ^^^^^^^  ^^^^^^
Aug 30 20:46:24.277 INFO kablam! 
Aug 30 20:46:24.386 INFO kablam! warning: unused variable: `file`
Aug 30 20:46:24.386 INFO kablam!   --> src/lib.rs:69:17
Aug 30 20:46:24.386 INFO kablam!    |
Aug 30 20:46:24.387 INFO kablam! 69 |         let mut file = OpenOptions::new()
Aug 30 20:46:24.387 INFO kablam!    |                 ^^^^ help: consider using `_file` instead
Aug 30 20:46:24.387 INFO kablam!    |
Aug 30 20:46:24.387 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 20:46:24.387 INFO kablam! 
Aug 30 20:46:24.394 INFO kablam! warning: variable does not need to be mutable
Aug 30 20:46:24.394 INFO kablam!   --> src/lib.rs:69:13
Aug 30 20:46:24.394 INFO kablam!    |
Aug 30 20:46:24.395 INFO kablam! 69 |         let mut file = OpenOptions::new()
Aug 30 20:46:24.395 INFO kablam!    |             ----^^^^
Aug 30 20:46:24.395 INFO kablam!    |             |
Aug 30 20:46:24.395 INFO kablam!    |             help: remove this `mut`
Aug 30 20:46:24.395 INFO kablam!    |
Aug 30 20:46:24.395 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 20:46:24.395 INFO kablam! 
Aug 30 20:46:24.412 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 20:46:24.412 INFO kablam!    --> src/lib.rs:100:45
Aug 30 20:46:24.412 INFO kablam!     |
Aug 30 20:46:24.412 INFO kablam! 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Aug 30 20:46:24.412 INFO kablam!     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 20:46:24.412 INFO kablam!     |
Aug 30 20:46:24.412 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 20:46:24.413 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 20:46:24.413 INFO kablam! 
Aug 30 20:46:24.695 INFO kablam! warning: unused import: `std::thread`
Aug 30 20:46:24.695 INFO kablam!  --> src/lib.rs:6:5
Aug 30 20:46:24.695 INFO kablam!   |
Aug 30 20:46:24.695 INFO kablam! 6 | use std::thread;
Aug 30 20:46:24.695 INFO kablam!   |     ^^^^^^^^^^^
Aug 30 20:46:24.695 INFO kablam!   |
Aug 30 20:46:24.695 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 20:46:24.695 INFO kablam! 
Aug 30 20:46:24.695 INFO kablam! warning: unused imports: `Blake2b`, `Digest`
Aug 30 20:46:24.695 INFO kablam!   --> src/lib.rs:15:14
Aug 30 20:46:24.695 INFO kablam!    |
Aug 30 20:46:24.695 INFO kablam! 15 | use blake2::{Blake2b, Digest};
Aug 30 20:46:24.695 INFO kablam!    |              ^^^^^^^  ^^^^^^
Aug 30 20:46:24.695 INFO kablam! 
Aug 30 20:46:24.808 INFO kablam! warning: unused variable: `file`
Aug 30 20:46:24.808 INFO kablam!   --> src/lib.rs:69:17
Aug 30 20:46:24.808 INFO kablam!    |
Aug 30 20:46:24.808 INFO kablam! 69 |         let mut file = OpenOptions::new()
Aug 30 20:46:24.808 INFO kablam!    |                 ^^^^ help: consider using `_file` instead
Aug 30 20:46:24.808 INFO kablam!    |
Aug 30 20:46:24.808 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 20:46:24.808 INFO kablam! 
Aug 30 20:46:24.817 INFO kablam! warning: variable does not need to be mutable
Aug 30 20:46:24.817 INFO kablam!   --> src/lib.rs:69:13
Aug 30 20:46:24.817 INFO kablam!    |
Aug 30 20:46:24.817 INFO kablam! 69 |         let mut file = OpenOptions::new()
Aug 30 20:46:24.817 INFO kablam!    |             ----^^^^
Aug 30 20:46:24.817 INFO kablam!    |             |
Aug 30 20:46:24.817 INFO kablam!    |             help: remove this `mut`
Aug 30 20:46:24.817 INFO kablam!    |
Aug 30 20:46:24.817 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 20:46:24.817 INFO kablam! 
Aug 30 20:46:24.831 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 20:46:24.831 INFO kablam!    --> src/lib.rs:100:45
Aug 30 20:46:24.831 INFO kablam!     |
Aug 30 20:46:24.831 INFO kablam! 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Aug 30 20:46:24.831 INFO kablam!     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 20:46:24.831 INFO kablam!     |
Aug 30 20:46:24.831 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 20:46:24.831 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 20:46:24.831 INFO kablam! 
Aug 30 20:46:24.849 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Aug 30 20:46:24.854 INFO kablam! su: No module specific data is present
Aug 30 20:46:25.224 INFO running `"docker" "rm" "-f" "013cce2c9008809fd6684452cadcd5bb002358e5d3570e5c7d0703a339c9de45"`
Aug 30 20:46:25.306 INFO blam! 013cce2c9008809fd6684452cadcd5bb002358e5d3570e5c7d0703a339c9de45