Dec 12 16:17:55.789 INFO checking cracker-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 16:17:55.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 16:17:56.212 INFO [stdout] 19cbc114aba8f29f8f4d843a7682404671b66efa28292dfcfc10eb2472f8ce2a
Dec 12 16:17:56.214 INFO running `"docker" "start" "-a" "19cbc114aba8f29f8f4d843a7682404671b66efa28292dfcfc10eb2472f8ce2a"`
Dec 12 16:17:58.117 INFO [stderr] usermod: no changes
Dec 12 16:17:58.287 INFO [stderr]     Checking generic-array v0.7.3
Dec 12 16:17:58.287 INFO [stderr]     Checking jobsteal v0.5.1
Dec 12 16:17:58.287 INFO [stderr]     Checking pwhash v0.1.2
Dec 12 16:17:58.958 INFO [stderr]     Checking crypto-mac v0.3.0
Dec 12 16:17:58.960 INFO [stderr]     Checking digest v0.5.2
Dec 12 16:17:59.658 INFO [stderr]     Checking blake2 v0.5.2
Dec 12 16:18:01.912 INFO [stderr]     Checking cracker v0.1.0 (/source)
Dec 12 16:18:03.900 INFO [stderr] warning: unused import: `std::thread`
Dec 12 16:18:03.900 INFO [stderr]  --> src/lib.rs:6:5
Dec 12 16:18:03.900 INFO [stderr]   |
Dec 12 16:18:03.900 INFO [stderr] 6 | use std::thread;
Dec 12 16:18:03.900 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 16:18:03.900 INFO [stderr]   |
Dec 12 16:18:03.900 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:18:03.900 INFO [stderr] 
Dec 12 16:18:03.900 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 12 16:18:03.900 INFO [stderr]   --> src/lib.rs:15:14
Dec 12 16:18:03.900 INFO [stderr]    |
Dec 12 16:18:03.900 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 12 16:18:03.900 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 12 16:18:03.901 INFO [stderr] 
Dec 12 16:18:03.951 INFO [stderr] warning: unused variable: `file`
Dec 12 16:18:03.951 INFO [stderr]   --> src/lib.rs:69:17
Dec 12 16:18:03.951 INFO [stderr]    |
Dec 12 16:18:03.951 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 12 16:18:03.951 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 12 16:18:03.951 INFO [stderr]    |
Dec 12 16:18:03.952 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 16:18:03.952 INFO [stderr] 
Dec 12 16:18:03.957 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:18:03.957 INFO [stderr]   --> src/lib.rs:69:13
Dec 12 16:18:03.957 INFO [stderr]    |
Dec 12 16:18:03.957 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 12 16:18:03.958 INFO [stderr]    |             ----^^^^
Dec 12 16:18:03.958 INFO [stderr]    |             |
Dec 12 16:18:03.958 INFO [stderr]    |             help: remove this `mut`
Dec 12 16:18:03.958 INFO [stderr]    |
Dec 12 16:18:03.958 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 16:18:03.960 INFO [stderr] 
Dec 12 16:18:03.966 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:18:03.966 INFO [stderr]    --> src/lib.rs:100:45
Dec 12 16:18:03.966 INFO [stderr]     |
Dec 12 16:18:03.966 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 12 16:18:03.967 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:18:03.967 INFO [stderr]     |
Dec 12 16:18:03.967 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 16:18:03.967 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:18:03.967 INFO [stderr] 
Dec 12 16:18:03.975 INFO [stderr] warning: unused import: `std::thread`
Dec 12 16:18:03.975 INFO [stderr]  --> src/lib.rs:6:5
Dec 12 16:18:03.976 INFO [stderr]   |
Dec 12 16:18:03.976 INFO [stderr] 6 | use std::thread;
Dec 12 16:18:03.976 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 16:18:03.976 INFO [stderr]   |
Dec 12 16:18:03.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:18:03.976 INFO [stderr] 
Dec 12 16:18:03.977 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 12 16:18:03.977 INFO [stderr]   --> src/lib.rs:15:14
Dec 12 16:18:03.977 INFO [stderr]    |
Dec 12 16:18:03.977 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 12 16:18:03.977 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 12 16:18:03.977 INFO [stderr] 
Dec 12 16:18:04.032 INFO [stderr] warning: unused variable: `file`
Dec 12 16:18:04.033 INFO [stderr]   --> src/lib.rs:69:17
Dec 12 16:18:04.033 INFO [stderr]    |
Dec 12 16:18:04.034 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 12 16:18:04.034 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 12 16:18:04.034 INFO [stderr]    |
Dec 12 16:18:04.038 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 16:18:04.039 INFO [stderr] 
Dec 12 16:18:04.039 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:18:04.039 INFO [stderr]   --> src/lib.rs:69:13
Dec 12 16:18:04.039 INFO [stderr]    |
Dec 12 16:18:04.039 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 12 16:18:04.039 INFO [stderr]    |             ----^^^^
Dec 12 16:18:04.039 INFO [stderr]    |             |
Dec 12 16:18:04.039 INFO [stderr]    |             help: remove this `mut`
Dec 12 16:18:04.039 INFO [stderr]    |
Dec 12 16:18:04.039 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 16:18:04.039 INFO [stderr] 
Dec 12 16:18:04.046 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:18:04.046 INFO [stderr]    --> src/lib.rs:100:45
Dec 12 16:18:04.046 INFO [stderr]     |
Dec 12 16:18:04.047 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 12 16:18:04.047 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:18:04.047 INFO [stderr]     |
Dec 12 16:18:04.047 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 16:18:04.047 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:18:04.047 INFO [stderr] 
Dec 12 16:18:04.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
Dec 12 16:18:04.077 INFO [stderr] su: No module specific data is present
Dec 12 16:18:04.878 INFO running `"docker" "inspect" "19cbc114aba8f29f8f4d843a7682404671b66efa28292dfcfc10eb2472f8ce2a"`
Dec 12 16:18:04.969 INFO running `"docker" "rm" "-f" "19cbc114aba8f29f8f4d843a7682404671b66efa28292dfcfc10eb2472f8ce2a"`
Dec 12 16:18:05.153 INFO [stdout] 19cbc114aba8f29f8f4d843a7682404671b66efa28292dfcfc10eb2472f8ce2a