Dec 05 15:01:00.669 INFO checking cracker-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:01:00.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 15:01:00.955 INFO [stdout] aa6c38fcc051221909dc28c436bcedc3da339561bc48b5e546f2059299d81d6d
Dec 05 15:01:00.956 INFO running `"docker" "start" "-a" "aa6c38fcc051221909dc28c436bcedc3da339561bc48b5e546f2059299d81d6d"`
Dec 05 15:01:02.254 INFO [stderr] usermod: no changes
Dec 05 15:01:02.350 INFO [stderr]     Checking generic-array v0.7.3
Dec 05 15:01:02.352 INFO [stderr]     Checking jobsteal v0.5.1
Dec 05 15:01:02.360 INFO [stderr]     Checking pwhash v0.1.2
Dec 05 15:01:03.291 INFO [stderr]     Checking crypto-mac v0.3.0
Dec 05 15:01:03.291 INFO [stderr]     Checking digest v0.5.2
Dec 05 15:01:04.391 INFO [stderr]     Checking blake2 v0.5.2
Dec 05 15:01:06.639 INFO [stderr]     Checking cracker v0.1.0 (/source)
Dec 05 15:01:09.107 INFO [stderr] warning: unused import: `std::thread`
Dec 05 15:01:09.107 INFO [stderr]  --> src/lib.rs:6:5
Dec 05 15:01:09.107 INFO [stderr]   |
Dec 05 15:01:09.107 INFO [stderr] 6 | use std::thread;
Dec 05 15:01:09.107 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 15:01:09.107 INFO [stderr]   |
Dec 05 15:01:09.107 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:01:09.107 INFO [stderr] 
Dec 05 15:01:09.107 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 05 15:01:09.107 INFO [stderr]   --> src/lib.rs:15:14
Dec 05 15:01:09.107 INFO [stderr]    |
Dec 05 15:01:09.107 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 05 15:01:09.107 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 05 15:01:09.107 INFO [stderr] 
Dec 05 15:01:09.174 INFO [stderr] warning: unused variable: `file`
Dec 05 15:01:09.174 INFO [stderr]   --> src/lib.rs:69:17
Dec 05 15:01:09.174 INFO [stderr]    |
Dec 05 15:01:09.175 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.175 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 05 15:01:09.175 INFO [stderr]    |
Dec 05 15:01:09.176 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:01:09.176 INFO [stderr] 
Dec 05 15:01:09.187 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:01:09.187 INFO [stderr]   --> src/lib.rs:69:13
Dec 05 15:01:09.187 INFO [stderr]    |
Dec 05 15:01:09.188 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.188 INFO [stderr]    |             ----^^^^
Dec 05 15:01:09.188 INFO [stderr]    |             |
Dec 05 15:01:09.189 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:01:09.189 INFO [stderr]    |
Dec 05 15:01:09.189 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:01:09.189 INFO [stderr] 
Dec 05 15:01:09.203 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:01:09.203 INFO [stderr]    --> src/lib.rs:100:45
Dec 05 15:01:09.203 INFO [stderr]     |
Dec 05 15:01:09.204 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 05 15:01:09.204 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:01:09.204 INFO [stderr]     |
Dec 05 15:01:09.204 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:01:09.205 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:01:09.205 INFO [stderr] 
Dec 05 15:01:09.525 INFO [stderr] warning: unused import: `std::thread`
Dec 05 15:01:09.525 INFO [stderr]  --> src/lib.rs:6:5
Dec 05 15:01:09.525 INFO [stderr]   |
Dec 05 15:01:09.525 INFO [stderr] 6 | use std::thread;
Dec 05 15:01:09.525 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 15:01:09.525 INFO [stderr]   |
Dec 05 15:01:09.525 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:01:09.525 INFO [stderr] 
Dec 05 15:01:09.525 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 05 15:01:09.525 INFO [stderr]   --> src/lib.rs:15:14
Dec 05 15:01:09.525 INFO [stderr]    |
Dec 05 15:01:09.525 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 05 15:01:09.525 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 05 15:01:09.525 INFO [stderr] 
Dec 05 15:01:09.578 INFO [stderr] warning: unused variable: `file`
Dec 05 15:01:09.578 INFO [stderr]   --> src/lib.rs:69:17
Dec 05 15:01:09.578 INFO [stderr]    |
Dec 05 15:01:09.578 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.578 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 05 15:01:09.578 INFO [stderr]    |
Dec 05 15:01:09.578 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:01:09.579 INFO [stderr] 
Dec 05 15:01:09.583 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:01:09.583 INFO [stderr]   --> src/lib.rs:69:13
Dec 05 15:01:09.583 INFO [stderr]    |
Dec 05 15:01:09.583 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 05 15:01:09.583 INFO [stderr]    |             ----^^^^
Dec 05 15:01:09.583 INFO [stderr]    |             |
Dec 05 15:01:09.583 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:01:09.584 INFO [stderr]    |
Dec 05 15:01:09.584 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:01:09.584 INFO [stderr] 
Dec 05 15:01:09.590 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:01:09.590 INFO [stderr]    --> src/lib.rs:100:45
Dec 05 15:01:09.590 INFO [stderr]     |
Dec 05 15:01:09.591 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 05 15:01:09.591 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:01:09.591 INFO [stderr]     |
Dec 05 15:01:09.591 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:01:09.591 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:01:09.591 INFO [stderr] 
Dec 05 15:01:09.659 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.38s
Dec 05 15:01:09.667 INFO [stderr] su: No module specific data is present
Dec 05 15:01:10.385 INFO running `"docker" "inspect" "aa6c38fcc051221909dc28c436bcedc3da339561bc48b5e546f2059299d81d6d"`
Dec 05 15:01:10.609 INFO running `"docker" "rm" "-f" "aa6c38fcc051221909dc28c436bcedc3da339561bc48b5e546f2059299d81d6d"`
Dec 05 15:01:10.871 INFO [stdout] aa6c38fcc051221909dc28c436bcedc3da339561bc48b5e546f2059299d81d6d