Dec 03 15:04:23.833 INFO testing cracker-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 15:04:23.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 15:04:24.390 INFO [stdout] 051ec6665db350aab220bd1bba3bf6ab2862c45814a88f90943b9cfb3de8fd5a
Dec 03 15:04:24.392 INFO running `"docker" "start" "-a" "051ec6665db350aab220bd1bba3bf6ab2862c45814a88f90943b9cfb3de8fd5a"`
Dec 03 15:04:27.061 INFO [stderr] usermod: no changes
Dec 03 15:04:27.173 INFO [stderr]    Compiling generic-array v0.7.3
Dec 03 15:04:27.173 INFO [stderr]    Compiling jobsteal v0.5.1
Dec 03 15:04:27.183 INFO [stderr]    Compiling pwhash v0.1.2
Dec 03 15:04:28.347 INFO [stderr]    Compiling crypto-mac v0.3.0
Dec 03 15:04:28.347 INFO [stderr]    Compiling digest v0.5.2
Dec 03 15:04:29.585 INFO [stderr]    Compiling blake2 v0.5.2
Dec 03 15:04:33.829 INFO [stderr]    Compiling cracker v0.1.0 (/source)
Dec 03 15:04:35.685 INFO [stderr] warning: unused import: `std::thread`
Dec 03 15:04:35.686 INFO [stderr]  --> src/lib.rs:6:5
Dec 03 15:04:35.686 INFO [stderr]   |
Dec 03 15:04:35.687 INFO [stderr] 6 | use std::thread;
Dec 03 15:04:35.687 INFO [stderr]   |     ^^^^^^^^^^^
Dec 03 15:04:35.687 INFO [stderr]   |
Dec 03 15:04:35.687 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 15:04:35.687 INFO [stderr] 
Dec 03 15:04:35.687 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 03 15:04:35.687 INFO [stderr]   --> src/lib.rs:15:14
Dec 03 15:04:35.687 INFO [stderr]    |
Dec 03 15:04:35.687 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 03 15:04:35.687 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 03 15:04:35.687 INFO [stderr] 
Dec 03 15:04:35.787 INFO [stderr] warning: unused variable: `file`
Dec 03 15:04:35.787 INFO [stderr]   --> src/lib.rs:69:17
Dec 03 15:04:35.787 INFO [stderr]    |
Dec 03 15:04:35.787 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 03 15:04:35.787 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 03 15:04:35.787 INFO [stderr]    |
Dec 03 15:04:35.787 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 03 15:04:35.787 INFO [stderr] 
Dec 03 15:04:35.796 INFO [stderr] warning: variable does not need to be mutable
Dec 03 15:04:35.798 INFO [stderr]   --> src/lib.rs:69:13
Dec 03 15:04:35.798 INFO [stderr]    |
Dec 03 15:04:35.798 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 03 15:04:35.798 INFO [stderr]    |             ----^^^^
Dec 03 15:04:35.798 INFO [stderr]    |             |
Dec 03 15:04:35.798 INFO [stderr]    |             help: remove this `mut`
Dec 03 15:04:35.798 INFO [stderr]    |
Dec 03 15:04:35.798 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 15:04:35.798 INFO [stderr] 
Dec 03 15:04:35.807 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 15:04:35.807 INFO [stderr]    --> src/lib.rs:100:45
Dec 03 15:04:35.807 INFO [stderr]     |
Dec 03 15:04:35.807 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 03 15:04:35.807 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 15:04:35.807 INFO [stderr]     |
Dec 03 15:04:35.807 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 03 15:04:35.807 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 15:04:35.807 INFO [stderr] 
Dec 03 15:04:36.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
Dec 03 15:04:36.323 INFO [stderr] su: No module specific data is present
Dec 03 15:04:37.009 INFO running `"docker" "inspect" "051ec6665db350aab220bd1bba3bf6ab2862c45814a88f90943b9cfb3de8fd5a"`
Dec 03 15:04:37.309 INFO running `"docker" "rm" "-f" "051ec6665db350aab220bd1bba3bf6ab2862c45814a88f90943b9cfb3de8fd5a"`
Dec 03 15:04:37.618 INFO [stdout] 051ec6665db350aab220bd1bba3bf6ab2862c45814a88f90943b9cfb3de8fd5a
Dec 03 15:04:37.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 15:04:38.180 INFO [stdout] 6668551e5c0f8281a7101734a1375c7c6bd82efd953833fff3cd1429943183bc
Dec 03 15:04:38.184 INFO running `"docker" "start" "-a" "6668551e5c0f8281a7101734a1375c7c6bd82efd953833fff3cd1429943183bc"`
Dec 03 15:04:39.691 INFO [stderr] usermod: no changes
Dec 03 15:04:39.783 INFO [stderr]    Compiling cracker v0.1.0 (/source)
Dec 03 15:04:41.983 INFO [stderr] warning: unused import: `std::thread`
Dec 03 15:04:41.983 INFO [stderr]  --> src/lib.rs:6:5
Dec 03 15:04:41.983 INFO [stderr]   |
Dec 03 15:04:41.983 INFO [stderr] 6 | use std::thread;
Dec 03 15:04:41.983 INFO [stderr]   |     ^^^^^^^^^^^
Dec 03 15:04:41.983 INFO [stderr]   |
Dec 03 15:04:41.983 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 15:04:41.983 INFO [stderr] 
Dec 03 15:04:41.983 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 03 15:04:41.983 INFO [stderr]   --> src/lib.rs:15:14
Dec 03 15:04:41.983 INFO [stderr]    |
Dec 03 15:04:41.983 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 03 15:04:41.983 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 03 15:04:41.983 INFO [stderr] 
Dec 03 15:04:42.056 INFO [stderr] warning: unused variable: `file`
Dec 03 15:04:42.056 INFO [stderr]   --> src/lib.rs:69:17
Dec 03 15:04:42.056 INFO [stderr]    |
Dec 03 15:04:42.056 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 03 15:04:42.056 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 03 15:04:42.056 INFO [stderr]    |
Dec 03 15:04:42.056 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 03 15:04:42.056 INFO [stderr] 
Dec 03 15:04:42.063 INFO [stderr] warning: variable does not need to be mutable
Dec 03 15:04:42.063 INFO [stderr]   --> src/lib.rs:69:13
Dec 03 15:04:42.063 INFO [stderr]    |
Dec 03 15:04:42.063 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 03 15:04:42.063 INFO [stderr]    |             ----^^^^
Dec 03 15:04:42.063 INFO [stderr]    |             |
Dec 03 15:04:42.063 INFO [stderr]    |             help: remove this `mut`
Dec 03 15:04:42.063 INFO [stderr]    |
Dec 03 15:04:42.063 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 15:04:42.063 INFO [stderr] 
Dec 03 15:04:42.073 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 15:04:42.073 INFO [stderr]    --> src/lib.rs:100:45
Dec 03 15:04:42.073 INFO [stderr]     |
Dec 03 15:04:42.073 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 03 15:04:42.073 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 15:04:42.073 INFO [stderr]     |
Dec 03 15:04:42.073 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 03 15:04:42.073 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 15:04:42.073 INFO [stderr] 
Dec 03 15:04:42.663 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
Dec 03 15:04:42.663 INFO [stderr] su: No module specific data is present
Dec 03 15:04:43.345 INFO running `"docker" "inspect" "6668551e5c0f8281a7101734a1375c7c6bd82efd953833fff3cd1429943183bc"`
Dec 03 15:04:43.647 INFO running `"docker" "rm" "-f" "6668551e5c0f8281a7101734a1375c7c6bd82efd953833fff3cd1429943183bc"`
Dec 03 15:04:43.965 INFO [stdout] 6668551e5c0f8281a7101734a1375c7c6bd82efd953833fff3cd1429943183bc
