Dec 18 17:19:46.220 INFO checking cracker-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:19:46.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:19:46.482 INFO [stdout] f0634feace3eb5fdd3ba49ba0758dee8dd3deb8d3716f1395dbf6ade0be8672c
Dec 18 17:19:46.484 INFO running `"docker" "start" "-a" "f0634feace3eb5fdd3ba49ba0758dee8dd3deb8d3716f1395dbf6ade0be8672c"`
Dec 18 17:19:47.924 INFO [stderr]     Checking crypto-mac v0.3.0
Dec 18 17:19:47.925 INFO [stderr]     Checking digest v0.5.2
Dec 18 17:19:47.926 INFO [stderr]     Checking jobsteal v0.5.1
Dec 18 17:19:47.926 INFO [stderr]     Checking pwhash v0.1.2
Dec 18 17:19:48.676 INFO [stderr]     Checking blake2 v0.5.2
Dec 18 17:19:49.725 INFO [stderr]     Checking cracker v0.1.0 (/opt/crater/workdir)
Dec 18 17:19:50.180 INFO [stderr] warning: unused import: `std::thread`
Dec 18 17:19:50.180 INFO [stderr]  --> src/lib.rs:6:5
Dec 18 17:19:50.180 INFO [stderr]   |
Dec 18 17:19:50.180 INFO [stderr] 6 | use std::thread;
Dec 18 17:19:50.180 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:19:50.180 INFO [stderr]   |
Dec 18 17:19:50.180 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:19:50.180 INFO [stderr] 
Dec 18 17:19:50.180 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 18 17:19:50.180 INFO [stderr]   --> src/lib.rs:15:14
Dec 18 17:19:50.180 INFO [stderr]    |
Dec 18 17:19:50.180 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 18 17:19:50.180 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 18 17:19:50.180 INFO [stderr] 
Dec 18 17:19:50.229 INFO [stderr] warning: unused variable: `file`
Dec 18 17:19:50.229 INFO [stderr]   --> src/lib.rs:69:17
Dec 18 17:19:50.229 INFO [stderr]    |
Dec 18 17:19:50.229 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:50.229 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 18 17:19:50.229 INFO [stderr]    |
Dec 18 17:19:50.229 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:19:50.229 INFO [stderr] 
Dec 18 17:19:50.235 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:19:50.235 INFO [stderr]   --> src/lib.rs:69:13
Dec 18 17:19:50.235 INFO [stderr]    |
Dec 18 17:19:50.235 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:50.235 INFO [stderr]    |             ----^^^^
Dec 18 17:19:50.235 INFO [stderr]    |             |
Dec 18 17:19:50.235 INFO [stderr]    |             help: remove this `mut`
Dec 18 17:19:50.235 INFO [stderr]    |
Dec 18 17:19:50.235 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:19:50.235 INFO [stderr] 
Dec 18 17:19:50.260 INFO [stderr] warning: unused import: `std::thread`
Dec 18 17:19:50.260 INFO [stderr]  --> src/lib.rs:6:5
Dec 18 17:19:50.260 INFO [stderr]   |
Dec 18 17:19:50.260 INFO [stderr] 6 | use std::thread;
Dec 18 17:19:50.260 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:19:50.268 INFO [stderr]   |
Dec 18 17:19:50.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:19:50.268 INFO [stderr] 
Dec 18 17:19:50.268 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 18 17:19:50.268 INFO [stderr]   --> src/lib.rs:15:14
Dec 18 17:19:50.268 INFO [stderr]    |
Dec 18 17:19:50.268 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 18 17:19:50.268 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 18 17:19:50.268 INFO [stderr] 
Dec 18 17:19:50.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:19:50.268 INFO [stderr]    --> src/lib.rs:100:45
Dec 18 17:19:50.268 INFO [stderr]     |
Dec 18 17:19:50.268 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 18 17:19:50.268 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:19:50.268 INFO [stderr]     |
Dec 18 17:19:50.268 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 17:19:50.268 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:19:50.268 INFO [stderr] 
Dec 18 17:19:50.297 INFO [stderr] warning: unused variable: `file`
Dec 18 17:19:50.297 INFO [stderr]   --> src/lib.rs:69:17
Dec 18 17:19:50.297 INFO [stderr]    |
Dec 18 17:19:50.297 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:50.297 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 18 17:19:50.298 INFO [stderr]    |
Dec 18 17:19:50.298 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:19:50.298 INFO [stderr] 
Dec 18 17:19:50.324 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:19:50.324 INFO [stderr]   --> src/lib.rs:69:13
Dec 18 17:19:50.324 INFO [stderr]    |
Dec 18 17:19:50.324 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 18 17:19:50.324 INFO [stderr]    |             ----^^^^
Dec 18 17:19:50.324 INFO [stderr]    |             |
Dec 18 17:19:50.324 INFO [stderr]    |             help: remove this `mut`
Dec 18 17:19:50.324 INFO [stderr]    |
Dec 18 17:19:50.324 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:19:50.324 INFO [stderr] 
Dec 18 17:19:50.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:19:50.324 INFO [stderr]    --> src/lib.rs:100:45
Dec 18 17:19:50.325 INFO [stderr]     |
Dec 18 17:19:50.325 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 18 17:19:50.325 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:19:50.325 INFO [stderr]     |
Dec 18 17:19:50.325 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 17:19:50.325 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:19:50.351 INFO [stderr] 
Dec 18 17:19:50.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
Dec 18 17:19:51.044 INFO running `"docker" "inspect" "f0634feace3eb5fdd3ba49ba0758dee8dd3deb8d3716f1395dbf6ade0be8672c"`
Dec 18 17:19:51.318 INFO running `"docker" "rm" "-f" "f0634feace3eb5fdd3ba49ba0758dee8dd3deb8d3716f1395dbf6ade0be8672c"`
Dec 18 17:19:51.656 INFO [stdout] f0634feace3eb5fdd3ba49ba0758dee8dd3deb8d3716f1395dbf6ade0be8672c