Nov 29 02:53:23.802 INFO checking cracker-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 02:53:23.802 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 29 02:53:24.148 INFO [stdout] 03e03c04c01f09218071f55f919485e16af3cb241f9c0002ed20fe4e6b258004
Nov 29 02:53:24.150 INFO running `"docker" "start" "-a" "03e03c04c01f09218071f55f919485e16af3cb241f9c0002ed20fe4e6b258004"`
Nov 29 02:53:25.228 INFO [stderr] usermod: no changes
Nov 29 02:53:25.372 INFO [stderr]     Checking generic-array v0.7.3
Nov 29 02:53:25.376 INFO [stderr]     Checking jobsteal v0.5.1
Nov 29 02:53:25.376 INFO [stderr]     Checking pwhash v0.1.2
Nov 29 02:53:26.228 INFO [stderr]     Checking crypto-mac v0.3.0
Nov 29 02:53:26.228 INFO [stderr]     Checking digest v0.5.2
Nov 29 02:53:26.892 INFO [stderr]     Checking blake2 v0.5.2
Nov 29 02:53:28.452 INFO [stderr]     Checking cracker v0.1.0 (/source)
Nov 29 02:53:31.089 INFO [stderr] warning: unused import: `std::thread`
Nov 29 02:53:31.089 INFO [stderr]  --> src/lib.rs:6:5
Nov 29 02:53:31.089 INFO [stderr]   |
Nov 29 02:53:31.090 INFO [stderr] 6 | use std::thread;
Nov 29 02:53:31.090 INFO [stderr]   |     ^^^^^^^^^^^
Nov 29 02:53:31.090 INFO [stderr]   |
Nov 29 02:53:31.090 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 02:53:31.090 INFO [stderr] 
Nov 29 02:53:31.091 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Nov 29 02:53:31.091 INFO [stderr]   --> src/lib.rs:15:14
Nov 29 02:53:31.091 INFO [stderr]    |
Nov 29 02:53:31.091 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Nov 29 02:53:31.092 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Nov 29 02:53:31.092 INFO [stderr] 
Nov 29 02:53:31.103 INFO [stderr] warning: unused import: `std::thread`
Nov 29 02:53:31.103 INFO [stderr]  --> src/lib.rs:6:5
Nov 29 02:53:31.103 INFO [stderr]   |
Nov 29 02:53:31.103 INFO [stderr] 6 | use std::thread;
Nov 29 02:53:31.103 INFO [stderr]   |     ^^^^^^^^^^^
Nov 29 02:53:31.103 INFO [stderr]   |
Nov 29 02:53:31.103 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 02:53:31.103 INFO [stderr] 
Nov 29 02:53:31.103 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Nov 29 02:53:31.103 INFO [stderr]   --> src/lib.rs:15:14
Nov 29 02:53:31.103 INFO [stderr]    |
Nov 29 02:53:31.103 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Nov 29 02:53:31.103 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Nov 29 02:53:31.103 INFO [stderr] 
Nov 29 02:53:31.210 INFO [stderr] warning: unused variable: `file`
Nov 29 02:53:31.210 INFO [stderr]   --> src/lib.rs:69:17
Nov 29 02:53:31.210 INFO [stderr]    |
Nov 29 02:53:31.210 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Nov 29 02:53:31.210 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Nov 29 02:53:31.213 INFO [stderr] warning: unused variable: `file`
Nov 29 02:53:31.213 INFO [stderr]   --> src/lib.rs:69:17
Nov 29 02:53:31.213 INFO [stderr]    |
Nov 29 02:53:31.213 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Nov 29 02:53:31.213 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Nov 29 02:53:31.213 INFO [stderr]    |
Nov 29 02:53:31.213 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 02:53:31.213 INFO [stderr] 
Nov 29 02:53:31.219 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:53:31.219 INFO [stderr]   --> src/lib.rs:69:13
Nov 29 02:53:31.219 INFO [stderr]    |
Nov 29 02:53:31.219 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Nov 29 02:53:31.219 INFO [stderr]    |             ----^^^^
Nov 29 02:53:31.219 INFO [stderr]    |             |
Nov 29 02:53:31.219 INFO [stderr]    |             help: remove this `mut`
Nov 29 02:53:31.219 INFO [stderr]    |
Nov 29 02:53:31.219 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 02:53:31.219 INFO [stderr] 
Nov 29 02:53:31.225 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:53:31.225 INFO [stderr]   --> src/lib.rs:69:13
Nov 29 02:53:31.225 INFO [stderr]    |
Nov 29 02:53:31.225 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Nov 29 02:53:31.225 INFO [stderr]    |             ----^^^^
Nov 29 02:53:31.225 INFO [stderr]    |             |
Nov 29 02:53:31.225 INFO [stderr]    |             help: remove this `mut`
Nov 29 02:53:31.226 INFO [stderr]    |
Nov 29 02:53:31.226 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 02:53:31.226 INFO [stderr] 
Nov 29 02:53:31.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:53:31.234 INFO [stderr]    --> src/lib.rs:100:45
Nov 29 02:53:31.234 INFO [stderr]     |
Nov 29 02:53:31.234 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Nov 29 02:53:31.235 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:53:31.235 INFO [stderr]    |
Nov 29 02:53:31.235 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 02:53:31.235 INFO [stderr] 
Nov 29 02:53:31.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:53:31.243 INFO [stderr]    --> src/lib.rs:100:45
Nov 29 02:53:31.243 INFO [stderr]     |
Nov 29 02:53:31.243 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Nov 29 02:53:31.243 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:53:31.243 INFO [stderr]     |
Nov 29 02:53:31.243 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 02:53:31.243 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:53:31.243 INFO [stderr] 
Nov 29 02:53:31.244 INFO [stderr]     |
Nov 29 02:53:31.244 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 02:53:31.245 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:53:31.245 INFO [stderr] 
Nov 29 02:53:31.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
Nov 29 02:53:31.313 INFO [stderr] su: No module specific data is present
Nov 29 02:53:31.946 INFO running `"docker" "inspect" "03e03c04c01f09218071f55f919485e16af3cb241f9c0002ed20fe4e6b258004"`
Nov 29 02:53:32.098 INFO running `"docker" "rm" "-f" "03e03c04c01f09218071f55f919485e16af3cb241f9c0002ed20fe4e6b258004"`
Nov 29 02:53:32.328 INFO [stdout] 03e03c04c01f09218071f55f919485e16af3cb241f9c0002ed20fe4e6b258004