Oct 13 16:31:45.299 INFO checking cracker-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:31:45.301 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 16:31:45.916 INFO blam! fe63c6bc3f27a3cb213916ca24e566731b4a50eec24a01fed55620d7f1348811
Oct 13 16:31:45.928 INFO running `"docker" "start" "-a" "fe63c6bc3f27a3cb213916ca24e566731b4a50eec24a01fed55620d7f1348811"`
Oct 13 16:31:47.239 INFO kablam! usermod: no changes
Oct 13 16:31:47.336 INFO kablam!     Checking pwhash v0.1.2
Oct 13 16:31:49.020 INFO kablam!     Checking cracker v0.1.0 (/source)
Oct 13 16:31:50.710 INFO kablam! warning: unused import: `std::thread`
Oct 13 16:31:50.710 INFO kablam!  --> src/lib.rs:6:5
Oct 13 16:31:50.711 INFO kablam!   |
Oct 13 16:31:50.712 INFO kablam! 6 | use std::thread;
Oct 13 16:31:50.713 INFO kablam!   |     ^^^^^^^^^^^
Oct 13 16:31:50.713 INFO kablam!   |
Oct 13 16:31:50.714 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 16:31:50.714 INFO kablam! 
Oct 13 16:31:50.715 INFO kablam! warning: unused imports: `Blake2b`, `Digest`
Oct 13 16:31:50.716 INFO kablam!   --> src/lib.rs:15:14
Oct 13 16:31:50.716 INFO kablam!    |
Oct 13 16:31:50.717 INFO kablam! 15 | use blake2::{Blake2b, Digest};
Oct 13 16:31:50.718 INFO kablam!    |              ^^^^^^^  ^^^^^^
Oct 13 16:31:50.718 INFO kablam! 
Oct 13 16:31:50.782 INFO kablam! warning: unused variable: `file`
Oct 13 16:31:50.783 INFO kablam!   --> src/lib.rs:69:17
Oct 13 16:31:50.784 INFO kablam!    |
Oct 13 16:31:50.784 INFO kablam! 69 |         let mut file = OpenOptions::new()
Oct 13 16:31:50.785 INFO kablam!    |                 ^^^^ help: consider using `_file` instead
Oct 13 16:31:50.786 INFO kablam!    |
Oct 13 16:31:50.786 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 16:31:50.786 INFO kablam! 
Oct 13 16:31:50.791 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:31:50.792 INFO kablam!   --> src/lib.rs:69:13
Oct 13 16:31:50.792 INFO kablam!    |
Oct 13 16:31:50.793 INFO kablam! 69 |         let mut file = OpenOptions::new()
Oct 13 16:31:50.793 INFO kablam!    |             ----^^^^
Oct 13 16:31:50.794 INFO kablam!    |             |
Oct 13 16:31:50.795 INFO kablam!    |             help: remove this `mut`
Oct 13 16:31:50.795 INFO kablam!    |
Oct 13 16:31:50.796 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:31:50.796 INFO kablam! 
Oct 13 16:31:50.812 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 16:31:50.813 INFO kablam!    --> src/lib.rs:100:45
Oct 13 16:31:50.814 INFO kablam!     |
Oct 13 16:31:50.814 INFO kablam! 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Oct 13 16:31:50.815 INFO kablam!     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:31:50.816 INFO kablam!     |
Oct 13 16:31:50.816 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 16:31:50.817 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 16:31:50.818 INFO kablam! 
Oct 13 16:31:51.558 INFO kablam! warning: unused import: `std::thread`
Oct 13 16:31:51.558 INFO kablam!  --> src/lib.rs:6:5
Oct 13 16:31:51.559 INFO kablam!   |
Oct 13 16:31:51.560 INFO kablam! 6 | use std::thread;
Oct 13 16:31:51.560 INFO kablam!   |     ^^^^^^^^^^^
Oct 13 16:31:51.560 INFO kablam!   |
Oct 13 16:31:51.560 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 16:31:51.560 INFO kablam! 
Oct 13 16:31:51.560 INFO kablam! warning: unused imports: `Blake2b`, `Digest`
Oct 13 16:31:51.560 INFO kablam!   --> src/lib.rs:15:14
Oct 13 16:31:51.560 INFO kablam!    |
Oct 13 16:31:51.560 INFO kablam! 15 | use blake2::{Blake2b, Digest};
Oct 13 16:31:51.560 INFO kablam!    |              ^^^^^^^  ^^^^^^
Oct 13 16:31:51.560 INFO kablam! 
Oct 13 16:31:51.620 INFO kablam! warning: unused variable: `file`
Oct 13 16:31:51.620 INFO kablam!   --> src/lib.rs:69:17
Oct 13 16:31:51.621 INFO kablam!    |
Oct 13 16:31:51.621 INFO kablam! 69 |         let mut file = OpenOptions::new()
Oct 13 16:31:51.621 INFO kablam!    |                 ^^^^ help: consider using `_file` instead
Oct 13 16:31:51.621 INFO kablam!    |
Oct 13 16:31:51.621 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 16:31:51.621 INFO kablam! 
Oct 13 16:31:51.624 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:31:51.624 INFO kablam!   --> src/lib.rs:69:13
Oct 13 16:31:51.624 INFO kablam!    |
Oct 13 16:31:51.625 INFO kablam! 69 |         let mut file = OpenOptions::new()
Oct 13 16:31:51.625 INFO kablam!    |             ----^^^^
Oct 13 16:31:51.625 INFO kablam!    |             |
Oct 13 16:31:51.626 INFO kablam!    |             help: remove this `mut`
Oct 13 16:31:51.626 INFO kablam!    |
Oct 13 16:31:51.626 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:31:51.626 INFO kablam! 
Oct 13 16:31:51.632 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 16:31:51.632 INFO kablam!    --> src/lib.rs:100:45
Oct 13 16:31:51.632 INFO kablam!     |
Oct 13 16:31:51.633 INFO kablam! 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Oct 13 16:31:51.633 INFO kablam!     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:31:51.633 INFO kablam!     |
Oct 13 16:31:51.633 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 16:31:51.634 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 16:31:51.634 INFO kablam! 
Oct 13 16:31:51.696 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
Oct 13 16:31:51.704 INFO kablam! su: No module specific data is present
Oct 13 16:31:52.958 INFO running `"docker" "rm" "-f" "fe63c6bc3f27a3cb213916ca24e566731b4a50eec24a01fed55620d7f1348811"`
Oct 13 16:31:53.268 INFO blam! fe63c6bc3f27a3cb213916ca24e566731b4a50eec24a01fed55620d7f1348811