Dec 15 17:59:01.751 INFO testing cracker-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 17:59:01.751 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 15 17:59:02.119 INFO [stdout] 57bbef0dc87cfaa44f69ef378abad80b97b23c03d0d08696f8408e719bbee130
Dec 15 17:59:02.120 INFO running `"docker" "start" "-a" "57bbef0dc87cfaa44f69ef378abad80b97b23c03d0d08696f8408e719bbee130"`
Dec 15 17:59:03.047 INFO [stderr] usermod: no changes
Dec 15 17:59:03.156 INFO [stderr]    Compiling jobsteal v0.5.1
Dec 15 17:59:03.156 INFO [stderr]    Compiling blake2 v0.5.2
Dec 15 17:59:03.156 INFO [stderr]    Compiling pwhash v0.1.2
Dec 15 17:59:06.642 INFO [stderr]    Compiling cracker v0.1.0 (/source)
Dec 15 17:59:08.067 INFO [stderr] warning: unused import: `std::thread`
Dec 15 17:59:08.067 INFO [stderr]  --> src/lib.rs:6:5
Dec 15 17:59:08.067 INFO [stderr]   |
Dec 15 17:59:08.067 INFO [stderr] 6 | use std::thread;
Dec 15 17:59:08.067 INFO [stderr]   |     ^^^^^^^^^^^
Dec 15 17:59:08.067 INFO [stderr]   |
Dec 15 17:59:08.067 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 17:59:08.067 INFO [stderr] 
Dec 15 17:59:08.067 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 15 17:59:08.067 INFO [stderr]   --> src/lib.rs:15:14
Dec 15 17:59:08.067 INFO [stderr]    |
Dec 15 17:59:08.067 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 15 17:59:08.067 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 15 17:59:08.067 INFO [stderr] 
Dec 15 17:59:08.111 INFO [stderr] warning: unused variable: `file`
Dec 15 17:59:08.111 INFO [stderr]   --> src/lib.rs:69:17
Dec 15 17:59:08.111 INFO [stderr]    |
Dec 15 17:59:08.111 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:08.111 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 15 17:59:08.111 INFO [stderr]    |
Dec 15 17:59:08.111 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 17:59:08.111 INFO [stderr] 
Dec 15 17:59:08.119 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:59:08.119 INFO [stderr]   --> src/lib.rs:69:13
Dec 15 17:59:08.119 INFO [stderr]    |
Dec 15 17:59:08.119 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:08.119 INFO [stderr]    |             ----^^^^
Dec 15 17:59:08.119 INFO [stderr]    |             |
Dec 15 17:59:08.119 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:59:08.119 INFO [stderr]    |
Dec 15 17:59:08.119 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:59:08.119 INFO [stderr] 
Dec 15 17:59:08.127 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:59:08.127 INFO [stderr]    --> src/lib.rs:100:45
Dec 15 17:59:08.127 INFO [stderr]     |
Dec 15 17:59:08.127 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 15 17:59:08.127 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:59:08.127 INFO [stderr]     |
Dec 15 17:59:08.127 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 17:59:08.127 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:59:08.127 INFO [stderr] 
Dec 15 17:59:08.593 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
Dec 15 17:59:08.597 INFO [stderr] su: No module specific data is present
Dec 15 17:59:09.402 INFO running `"docker" "inspect" "57bbef0dc87cfaa44f69ef378abad80b97b23c03d0d08696f8408e719bbee130"`
Dec 15 17:59:09.595 INFO running `"docker" "rm" "-f" "57bbef0dc87cfaa44f69ef378abad80b97b23c03d0d08696f8408e719bbee130"`
Dec 15 17:59:09.739 INFO [stdout] 57bbef0dc87cfaa44f69ef378abad80b97b23c03d0d08696f8408e719bbee130
Dec 15 17:59:09.741 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 15 17:59:09.979 INFO [stdout] 40cf8f26f975a6d0a30e86f3a28650c542251d481e72a7421989e8bef3e4f353
Dec 15 17:59:09.983 INFO running `"docker" "start" "-a" "40cf8f26f975a6d0a30e86f3a28650c542251d481e72a7421989e8bef3e4f353"`
Dec 15 17:59:10.575 INFO [stderr] usermod: no changes
Dec 15 17:59:10.647 INFO [stderr]    Compiling cracker v0.1.0 (/source)
Dec 15 17:59:12.235 INFO [stderr] warning: unused import: `std::thread`
Dec 15 17:59:12.235 INFO [stderr]  --> src/lib.rs:6:5
Dec 15 17:59:12.235 INFO [stderr]   |
Dec 15 17:59:12.235 INFO [stderr] 6 | use std::thread;
Dec 15 17:59:12.236 INFO [stderr]   |     ^^^^^^^^^^^
Dec 15 17:59:12.236 INFO [stderr]   |
Dec 15 17:59:12.236 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 17:59:12.236 INFO [stderr] 
Dec 15 17:59:12.236 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 15 17:59:12.236 INFO [stderr]   --> src/lib.rs:15:14
Dec 15 17:59:12.236 INFO [stderr]    |
Dec 15 17:59:12.236 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 15 17:59:12.236 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 15 17:59:12.236 INFO [stderr] 
Dec 15 17:59:12.295 INFO [stderr] warning: unused variable: `file`
Dec 15 17:59:12.295 INFO [stderr]   --> src/lib.rs:69:17
Dec 15 17:59:12.295 INFO [stderr]    |
Dec 15 17:59:12.295 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:12.295 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 15 17:59:12.295 INFO [stderr]    |
Dec 15 17:59:12.295 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 17:59:12.295 INFO [stderr] 
Dec 15 17:59:12.300 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:59:12.300 INFO [stderr]   --> src/lib.rs:69:13
Dec 15 17:59:12.300 INFO [stderr]    |
Dec 15 17:59:12.300 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:12.300 INFO [stderr]    |             ----^^^^
Dec 15 17:59:12.300 INFO [stderr]    |             |
Dec 15 17:59:12.300 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:59:12.300 INFO [stderr]    |
Dec 15 17:59:12.300 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:59:12.300 INFO [stderr] 
Dec 15 17:59:12.307 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:59:12.307 INFO [stderr]    --> src/lib.rs:100:45
Dec 15 17:59:12.307 INFO [stderr]     |
Dec 15 17:59:12.307 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 15 17:59:12.307 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:59:12.307 INFO [stderr]     |
Dec 15 17:59:12.307 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 17:59:12.307 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:59:12.308 INFO [stderr] 
Dec 15 17:59:12.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 15 17:59:12.649 INFO [stderr] su: No module specific data is present
Dec 15 17:59:13.012 INFO running `"docker" "inspect" "40cf8f26f975a6d0a30e86f3a28650c542251d481e72a7421989e8bef3e4f353"`
Dec 15 17:59:13.137 INFO running `"docker" "rm" "-f" "40cf8f26f975a6d0a30e86f3a28650c542251d481e72a7421989e8bef3e4f353"`
Dec 15 17:59:13.275 INFO [stdout] 40cf8f26f975a6d0a30e86f3a28650c542251d481e72a7421989e8bef3e4f353