Dec 18 17:19:45.112 INFO checking cracker-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:19:45.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/cracker/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:19:45.542 INFO [stdout] 26e6b29a2c970b12d516af52c7ec5e47b5e15d51842978fe62fc650463ac6fd0
Dec 18 17:19:45.543 INFO running `"docker" "start" "-a" "26e6b29a2c970b12d516af52c7ec5e47b5e15d51842978fe62fc650463ac6fd0"`
Dec 18 17:19:46.494 INFO [stderr]     Checking jobsteal v0.5.1
Dec 18 17:19:46.494 INFO [stderr]     Checking blake2 v0.5.2
Dec 18 17:19:46.494 INFO [stderr]     Checking pwhash v0.1.2
Dec 18 17:19:47.505 INFO [stderr]     Checking cracker v0.1.0 (/opt/crater/workdir)
Dec 18 17:19:47.975 INFO [stderr] warning: unused import: `std::thread`
Dec 18 17:19:47.975 INFO [stderr]  --> src/lib.rs:6:5
Dec 18 17:19:47.975 INFO [stderr]   |
Dec 18 17:19:47.975 INFO [stderr] 6 | use std::thread;
Dec 18 17:19:47.975 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:19:47.975 INFO [stderr]   |
Dec 18 17:19:47.975 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:19:47.975 INFO [stderr] 
Dec 18 17:19:47.975 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 18 17:19:47.975 INFO [stderr]   --> src/lib.rs:15:14
Dec 18 17:19:47.975 INFO [stderr]    |
Dec 18 17:19:47.975 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 18 17:19:47.975 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 18 17:19:47.975 INFO [stderr] 
Dec 18 17:19:48.052 INFO [stderr] warning: unused variable: `file`
Dec 18 17:19:48.052 INFO [stderr]   --> src/lib.rs:69:17
Dec 18 17:19:48.053 INFO [stderr]    |
Dec 18 17:19:48.053 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:48.053 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 18 17:19:48.053 INFO [stderr] warning: unused import: `std::thread`
Dec 18 17:19:48.053 INFO [stderr]  --> src/lib.rs:6:5
Dec 18 17:19:48.053 INFO [stderr]   |
Dec 18 17:19:48.053 INFO [stderr] 6 | use std::thread;
Dec 18 17:19:48.053 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:19:48.053 INFO [stderr]   |
Dec 18 17:19:48.053 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:19:48.053 INFO [stderr] 
Dec 18 17:19:48.053 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 18 17:19:48.053 INFO [stderr]   --> src/lib.rs:15:14
Dec 18 17:19:48.053 INFO [stderr]    |
Dec 18 17:19:48.053 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 18 17:19:48.053 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 18 17:19:48.053 INFO [stderr] 
Dec 18 17:19:48.053 INFO [stderr]    |
Dec 18 17:19:48.053 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:19:48.054 INFO [stderr] 
Dec 18 17:19:48.064 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:19:48.065 INFO [stderr]   --> src/lib.rs:69:13
Dec 18 17:19:48.065 INFO [stderr]    |
Dec 18 17:19:48.065 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:48.065 INFO [stderr]    |             ----^^^^
Dec 18 17:19:48.065 INFO [stderr]    |             |
Dec 18 17:19:48.065 INFO [stderr]    |             help: remove this `mut`
Dec 18 17:19:48.065 INFO [stderr]    |
Dec 18 17:19:48.065 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:19:48.065 INFO [stderr] 
Dec 18 17:19:48.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:19:48.072 INFO [stderr]    --> src/lib.rs:100:45
Dec 18 17:19:48.072 INFO [stderr]     |
Dec 18 17:19:48.072 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 18 17:19:48.072 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:19:48.072 INFO [stderr]     |
Dec 18 17:19:48.072 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 17:19:48.072 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:19:48.072 INFO [stderr] 
Dec 18 17:19:48.112 INFO [stderr] warning: unused variable: `file`
Dec 18 17:19:48.112 INFO [stderr]   --> src/lib.rs:69:17
Dec 18 17:19:48.112 INFO [stderr]    |
Dec 18 17:19:48.113 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:48.113 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 18 17:19:48.113 INFO [stderr]    |
Dec 18 17:19:48.113 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:19:48.113 INFO [stderr] 
Dec 18 17:19:48.132 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:19:48.132 INFO [stderr]   --> src/lib.rs:69:13
Dec 18 17:19:48.132 INFO [stderr]    |
Dec 18 17:19:48.132 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:48.132 INFO [stderr]    |             ----^^^^
Dec 18 17:19:48.132 INFO [stderr]    |             |
Dec 18 17:19:48.132 INFO [stderr]    |             help: remove this `mut`
Dec 18 17:19:48.132 INFO [stderr]    |
Dec 18 17:19:48.132 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:19:48.132 INFO [stderr] 
Dec 18 17:19:48.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:19:48.141 INFO [stderr]    --> src/lib.rs:100:45
Dec 18 17:19:48.141 INFO [stderr]     |
Dec 18 17:19:48.141 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 18 17:19:48.141 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:19:48.141 INFO [stderr]     |
Dec 18 17:19:48.141 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 17:19:48.141 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:19:48.141 INFO [stderr] 
Dec 18 17:19:48.194 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 18 17:19:49.244 INFO running `"docker" "inspect" "26e6b29a2c970b12d516af52c7ec5e47b5e15d51842978fe62fc650463ac6fd0"`
Dec 18 17:19:49.576 INFO running `"docker" "rm" "-f" "26e6b29a2c970b12d516af52c7ec5e47b5e15d51842978fe62fc650463ac6fd0"`
Dec 18 17:19:49.939 INFO [stdout] 26e6b29a2c970b12d516af52c7ec5e47b5e15d51842978fe62fc650463ac6fd0