Dec 05 15:01:00.983 INFO checking cracker-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 15:01:00.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 15:01:01.291 INFO [stdout] e1cca496356d425c6618758cf653509efd915afb377036fdb00e9e26d39ca1de
Dec 05 15:01:01.291 INFO running `"docker" "start" "-a" "e1cca496356d425c6618758cf653509efd915afb377036fdb00e9e26d39ca1de"`
Dec 05 15:01:02.851 INFO [stderr] usermod: no changes
Dec 05 15:01:03.015 INFO [stderr]     Checking jobsteal v0.5.1
Dec 05 15:01:03.015 INFO [stderr]     Checking blake2 v0.5.2
Dec 05 15:01:03.031 INFO [stderr]     Checking pwhash v0.1.2
Dec 05 15:01:06.371 INFO [stderr]     Checking cracker v0.1.0 (/source)
Dec 05 15:01:09.215 INFO [stderr] warning: unused import: `std::thread`
Dec 05 15:01:09.215 INFO [stderr]  --> src/lib.rs:6:5
Dec 05 15:01:09.215 INFO [stderr]   |
Dec 05 15:01:09.215 INFO [stderr] 6 | use std::thread;
Dec 05 15:01:09.215 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 15:01:09.215 INFO [stderr]   |
Dec 05 15:01:09.215 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:01:09.215 INFO [stderr] 
Dec 05 15:01:09.215 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 05 15:01:09.215 INFO [stderr]   --> src/lib.rs:15:14
Dec 05 15:01:09.215 INFO [stderr]    |
Dec 05 15:01:09.215 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 05 15:01:09.215 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 05 15:01:09.215 INFO [stderr] 
Dec 05 15:01:09.311 INFO [stderr] warning: unused variable: `file`
Dec 05 15:01:09.311 INFO [stderr]   --> src/lib.rs:69:17
Dec 05 15:01:09.311 INFO [stderr]    |
Dec 05 15:01:09.311 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.311 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 05 15:01:09.312 INFO [stderr]    |
Dec 05 15:01:09.312 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:01:09.312 INFO [stderr] 
Dec 05 15:01:09.316 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:01:09.317 INFO [stderr]   --> src/lib.rs:69:13
Dec 05 15:01:09.317 INFO [stderr]    |
Dec 05 15:01:09.317 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.317 INFO [stderr]    |             ----^^^^
Dec 05 15:01:09.317 INFO [stderr]    |             |
Dec 05 15:01:09.317 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:01:09.317 INFO [stderr]    |
Dec 05 15:01:09.317 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:01:09.317 INFO [stderr] 
Dec 05 15:01:09.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:01:09.324 INFO [stderr]    --> src/lib.rs:100:45
Dec 05 15:01:09.324 INFO [stderr]     |
Dec 05 15:01:09.324 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 05 15:01:09.324 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:01:09.324 INFO [stderr]     |
Dec 05 15:01:09.325 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:01:09.325 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:01:09.325 INFO [stderr] 
Dec 05 15:01:09.562 INFO [stderr] warning: unused import: `std::thread`
Dec 05 15:01:09.562 INFO [stderr]  --> src/lib.rs:6:5
Dec 05 15:01:09.562 INFO [stderr]   |
Dec 05 15:01:09.562 INFO [stderr] 6 | use std::thread;
Dec 05 15:01:09.563 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 15:01:09.563 INFO [stderr]   |
Dec 05 15:01:09.563 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:01:09.563 INFO [stderr] 
Dec 05 15:01:09.563 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 05 15:01:09.563 INFO [stderr]   --> src/lib.rs:15:14
Dec 05 15:01:09.563 INFO [stderr]    |
Dec 05 15:01:09.563 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 05 15:01:09.563 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 05 15:01:09.563 INFO [stderr] 
Dec 05 15:01:09.617 INFO [stderr] warning: unused variable: `file`
Dec 05 15:01:09.617 INFO [stderr]   --> src/lib.rs:69:17
Dec 05 15:01:09.617 INFO [stderr]    |
Dec 05 15:01:09.617 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.617 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 05 15:01:09.617 INFO [stderr]    |
Dec 05 15:01:09.617 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:01:09.617 INFO [stderr] 
Dec 05 15:01:09.622 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:01:09.622 INFO [stderr]   --> src/lib.rs:69:13
Dec 05 15:01:09.622 INFO [stderr]    |
Dec 05 15:01:09.622 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.622 INFO [stderr]    |             ----^^^^
Dec 05 15:01:09.622 INFO [stderr]    |             |
Dec 05 15:01:09.622 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:01:09.622 INFO [stderr]    |
Dec 05 15:01:09.622 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:01:09.622 INFO [stderr] 
Dec 05 15:01:09.628 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:01:09.628 INFO [stderr]    --> src/lib.rs:100:45
Dec 05 15:01:09.629 INFO [stderr]     |
Dec 05 15:01:09.629 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 05 15:01:09.629 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:01:09.629 INFO [stderr]     |
Dec 05 15:01:09.629 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:01:09.629 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:01:09.629 INFO [stderr] 
Dec 05 15:01:09.642 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
Dec 05 15:01:09.646 INFO [stderr] su: No module specific data is present
Dec 05 15:01:10.345 INFO running `"docker" "inspect" "e1cca496356d425c6618758cf653509efd915afb377036fdb00e9e26d39ca1de"`
Dec 05 15:01:10.516 INFO running `"docker" "rm" "-f" "e1cca496356d425c6618758cf653509efd915afb377036fdb00e9e26d39ca1de"`
Dec 05 15:01:10.703 INFO [stdout] e1cca496356d425c6618758cf653509efd915afb377036fdb00e9e26d39ca1de