Dec 15 17:59:01.767 INFO testing cracker-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 17:59:01.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 17:59:02.140 INFO [stdout] 982c374b9d42e2b4cb7a7a452fc25687b3ba80586ba5909a36d2ae0b94f70290
Dec 15 17:59:02.145 INFO running `"docker" "start" "-a" "982c374b9d42e2b4cb7a7a452fc25687b3ba80586ba5909a36d2ae0b94f70290"`
Dec 15 17:59:02.987 INFO [stderr] usermod: no changes
Dec 15 17:59:03.107 INFO [stderr]    Compiling jobsteal v0.5.1
Dec 15 17:59:03.111 INFO [stderr]    Compiling blake2 v0.5.2
Dec 15 17:59:03.111 INFO [stderr]    Compiling pwhash v0.1.2
Dec 15 17:59:07.206 INFO [stderr]    Compiling cracker v0.1.0 (/source)
Dec 15 17:59:08.843 INFO [stderr] warning: unused import: `std::thread`
Dec 15 17:59:08.843 INFO [stderr]  --> src/lib.rs:6:5
Dec 15 17:59:08.843 INFO [stderr]   |
Dec 15 17:59:08.843 INFO [stderr] 6 | use std::thread;
Dec 15 17:59:08.843 INFO [stderr]   |     ^^^^^^^^^^^
Dec 15 17:59:08.843 INFO [stderr]   |
Dec 15 17:59:08.843 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 17:59:08.843 INFO [stderr] 
Dec 15 17:59:08.843 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 15 17:59:08.843 INFO [stderr]   --> src/lib.rs:15:14
Dec 15 17:59:08.843 INFO [stderr]    |
Dec 15 17:59:08.843 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 15 17:59:08.843 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 15 17:59:08.843 INFO [stderr] 
Dec 15 17:59:08.898 INFO [stderr] warning: unused variable: `file`
Dec 15 17:59:08.898 INFO [stderr]   --> src/lib.rs:69:17
Dec 15 17:59:08.898 INFO [stderr]    |
Dec 15 17:59:08.898 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:08.898 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 15 17:59:08.898 INFO [stderr]    |
Dec 15 17:59:08.898 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 17:59:08.898 INFO [stderr] 
Dec 15 17:59:08.903 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:59:08.903 INFO [stderr]   --> src/lib.rs:69:13
Dec 15 17:59:08.903 INFO [stderr]    |
Dec 15 17:59:08.903 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:08.903 INFO [stderr]    |             ----^^^^
Dec 15 17:59:08.903 INFO [stderr]    |             |
Dec 15 17:59:08.903 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:59:08.903 INFO [stderr]    |
Dec 15 17:59:08.903 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:59:08.903 INFO [stderr] 
Dec 15 17:59:08.915 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:59:08.915 INFO [stderr]    --> src/lib.rs:100:45
Dec 15 17:59:08.915 INFO [stderr]     |
Dec 15 17:59:08.915 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 15 17:59:08.915 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:59:08.915 INFO [stderr]     |
Dec 15 17:59:08.915 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 17:59:08.915 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:59:08.915 INFO [stderr] 
Dec 15 17:59:09.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
Dec 15 17:59:09.394 INFO [stderr] su: No module specific data is present
Dec 15 17:59:09.864 INFO running `"docker" "inspect" "982c374b9d42e2b4cb7a7a452fc25687b3ba80586ba5909a36d2ae0b94f70290"`
Dec 15 17:59:09.991 INFO running `"docker" "rm" "-f" "982c374b9d42e2b4cb7a7a452fc25687b3ba80586ba5909a36d2ae0b94f70290"`
Dec 15 17:59:10.159 INFO [stdout] 982c374b9d42e2b4cb7a7a452fc25687b3ba80586ba5909a36d2ae0b94f70290
Dec 15 17:59:10.159 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 17:59:10.456 INFO [stdout] 6bf6d72d862bf9f4fc70e71bfede27bbaf2cb161821c6d63cd7b795594751cff
Dec 15 17:59:10.460 INFO running `"docker" "start" "-a" "6bf6d72d862bf9f4fc70e71bfede27bbaf2cb161821c6d63cd7b795594751cff"`
Dec 15 17:59:11.426 INFO [stderr] usermod: no changes
Dec 15 17:59:11.571 INFO [stderr]    Compiling cracker v0.1.0 (/source)
Dec 15 17:59:13.298 INFO [stderr] warning: unused import: `std::thread`
Dec 15 17:59:13.298 INFO [stderr]  --> src/lib.rs:6:5
Dec 15 17:59:13.298 INFO [stderr]   |
Dec 15 17:59:13.298 INFO [stderr] 6 | use std::thread;
Dec 15 17:59:13.298 INFO [stderr]   |     ^^^^^^^^^^^
Dec 15 17:59:13.298 INFO [stderr]   |
Dec 15 17:59:13.298 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 17:59:13.298 INFO [stderr] 
Dec 15 17:59:13.298 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 15 17:59:13.298 INFO [stderr]   --> src/lib.rs:15:14
Dec 15 17:59:13.298 INFO [stderr]    |
Dec 15 17:59:13.298 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 15 17:59:13.298 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 15 17:59:13.298 INFO [stderr] 
Dec 15 17:59:13.391 INFO [stderr] warning: unused variable: `file`
Dec 15 17:59:13.391 INFO [stderr]   --> src/lib.rs:69:17
Dec 15 17:59:13.391 INFO [stderr]    |
Dec 15 17:59:13.391 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:13.391 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 15 17:59:13.391 INFO [stderr]    |
Dec 15 17:59:13.391 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 17:59:13.391 INFO [stderr] 
Dec 15 17:59:13.391 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:59:13.391 INFO [stderr]   --> src/lib.rs:69:13
Dec 15 17:59:13.391 INFO [stderr]    |
Dec 15 17:59:13.391 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 15 17:59:13.391 INFO [stderr]    |             ----^^^^
Dec 15 17:59:13.391 INFO [stderr]    |             |
Dec 15 17:59:13.391 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:59:13.391 INFO [stderr]    |
Dec 15 17:59:13.391 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:59:13.392 INFO [stderr] 
Dec 15 17:59:13.392 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:59:13.392 INFO [stderr]    --> src/lib.rs:100:45
Dec 15 17:59:13.392 INFO [stderr]     |
Dec 15 17:59:13.392 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 15 17:59:13.392 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:59:13.392 INFO [stderr]     |
Dec 15 17:59:13.392 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 17:59:13.392 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:59:13.392 INFO [stderr] 
Dec 15 17:59:13.626 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
Dec 15 17:59:13.631 INFO [stderr] su: No module specific data is present
Dec 15 17:59:13.992 INFO running `"docker" "inspect" "6bf6d72d862bf9f4fc70e71bfede27bbaf2cb161821c6d63cd7b795594751cff"`
Dec 15 17:59:14.101 INFO running `"docker" "rm" "-f" "6bf6d72d862bf9f4fc70e71bfede27bbaf2cb161821c6d63cd7b795594751cff"`
Dec 15 17:59:14.237 INFO [stdout] 6bf6d72d862bf9f4fc70e71bfede27bbaf2cb161821c6d63cd7b795594751cff