Dec 01 00:15:34.709 INFO checking cracker-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 00:15:34.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01 00:15:35.064 INFO [stdout] a26e2d68784952c3e6a18b07477fb2b6d9b71394ce5074d69184c0ff0da314ef
Dec 01 00:15:35.066 INFO running `"docker" "start" "-a" "a26e2d68784952c3e6a18b07477fb2b6d9b71394ce5074d69184c0ff0da314ef"`
Dec 01 00:15:36.473 INFO [stderr] usermod: no changes
Dec 01 00:15:36.599 INFO [stderr]     Checking jobsteal v0.5.1
Dec 01 00:15:36.599 INFO [stderr]     Checking blake2 v0.5.2
Dec 01 00:15:36.616 INFO [stderr]     Checking pwhash v0.1.2
Dec 01 00:15:39.790 INFO [stderr]     Checking cracker v0.1.0 (/source)
Dec 01 00:15:42.051 INFO [stderr] warning: unused import: `std::thread`
Dec 01 00:15:42.052 INFO [stderr]  --> src/lib.rs:6:5
Dec 01 00:15:42.052 INFO [stderr]   |
Dec 01 00:15:42.052 INFO [stderr] 6 | use std::thread;
Dec 01 00:15:42.053 INFO [stderr]   |     ^^^^^^^^^^^
Dec 01 00:15:42.053 INFO [stderr]   |
Dec 01 00:15:42.053 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 00:15:42.054 INFO [stderr] 
Dec 01 00:15:42.054 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 01 00:15:42.054 INFO [stderr]   --> src/lib.rs:15:14
Dec 01 00:15:42.055 INFO [stderr]    |
Dec 01 00:15:42.055 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 01 00:15:42.055 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 01 00:15:42.056 INFO [stderr] 
Dec 01 00:15:42.139 INFO [stderr] warning: unused variable: `file`
Dec 01 00:15:42.139 INFO [stderr]   --> src/lib.rs:69:17
Dec 01 00:15:42.139 INFO [stderr]    |
Dec 01 00:15:42.139 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 01 00:15:42.139 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 01 00:15:42.139 INFO [stderr]    |
Dec 01 00:15:42.139 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 00:15:42.139 INFO [stderr] 
Dec 01 00:15:42.145 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:15:42.145 INFO [stderr]   --> src/lib.rs:69:13
Dec 01 00:15:42.145 INFO [stderr]    |
Dec 01 00:15:42.145 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 01 00:15:42.145 INFO [stderr]    |             ----^^^^
Dec 01 00:15:42.145 INFO [stderr]    |             |
Dec 01 00:15:42.145 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:15:42.145 INFO [stderr]    |
Dec 01 00:15:42.145 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:15:42.145 INFO [stderr] 
Dec 01 00:15:42.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 00:15:42.152 INFO [stderr]    --> src/lib.rs:100:45
Dec 01 00:15:42.152 INFO [stderr]     |
Dec 01 00:15:42.153 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 01 00:15:42.153 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:15:42.153 INFO [stderr]     |
Dec 01 00:15:42.153 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 01 00:15:42.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 00:15:42.153 INFO [stderr] 
Dec 01 00:15:42.610 INFO [stderr] warning: unused import: `std::thread`
Dec 01 00:15:42.610 INFO [stderr]  --> src/lib.rs:6:5
Dec 01 00:15:42.610 INFO [stderr]   |
Dec 01 00:15:42.610 INFO [stderr] 6 | use std::thread;
Dec 01 00:15:42.610 INFO [stderr]   |     ^^^^^^^^^^^
Dec 01 00:15:42.611 INFO [stderr]   |
Dec 01 00:15:42.611 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 00:15:42.611 INFO [stderr] 
Dec 01 00:15:42.611 INFO [stderr] warning: unused imports: `Blake2b`, `Digest`
Dec 01 00:15:42.612 INFO [stderr]   --> src/lib.rs:15:14
Dec 01 00:15:42.612 INFO [stderr]    |
Dec 01 00:15:42.612 INFO [stderr] 15 | use blake2::{Blake2b, Digest};
Dec 01 00:15:42.612 INFO [stderr]    |              ^^^^^^^  ^^^^^^
Dec 01 00:15:42.612 INFO [stderr] 
Dec 01 00:15:42.680 INFO [stderr] warning: unused variable: `file`
Dec 01 00:15:42.680 INFO [stderr]   --> src/lib.rs:69:17
Dec 01 00:15:42.681 INFO [stderr]    |
Dec 01 00:15:42.681 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 01 00:15:42.681 INFO [stderr]    |                 ^^^^ help: consider using `_file` instead
Dec 01 00:15:42.681 INFO [stderr]    |
Dec 01 00:15:42.682 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 00:15:42.682 INFO [stderr] 
Dec 01 00:15:42.686 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:15:42.686 INFO [stderr]   --> src/lib.rs:69:13
Dec 01 00:15:42.686 INFO [stderr]    |
Dec 01 00:15:42.686 INFO [stderr] 69 |         let mut file = OpenOptions::new()
Dec 01 00:15:42.687 INFO [stderr]    |             ----^^^^
Dec 01 00:15:42.687 INFO [stderr]    |             |
Dec 01 00:15:42.687 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:15:42.687 INFO [stderr]    |
Dec 01 00:15:42.688 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:15:42.688 INFO [stderr] 
Dec 01 00:15:42.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 00:15:42.694 INFO [stderr]    --> src/lib.rs:100:45
Dec 01 00:15:42.694 INFO [stderr]     |
Dec 01 00:15:42.694 INFO [stderr] 100 |                                             file.write((hash.to_string() + ":" + word + "\n").as_bytes());
Dec 01 00:15:42.694 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:15:42.694 INFO [stderr]     |
Dec 01 00:15:42.695 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 01 00:15:42.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 00:15:42.695 INFO [stderr] 
Dec 01 00:15:42.744 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
Dec 01 00:15:42.748 INFO [stderr] su: No module specific data is present
Dec 01 00:15:43.753 INFO running `"docker" "inspect" "a26e2d68784952c3e6a18b07477fb2b6d9b71394ce5074d69184c0ff0da314ef"`
Dec 01 00:15:43.934 INFO running `"docker" "rm" "-f" "a26e2d68784952c3e6a18b07477fb2b6d9b71394ce5074d69184c0ff0da314ef"`
Dec 01 00:15:44.092 INFO [stdout] a26e2d68784952c3e6a18b07477fb2b6d9b71394ce5074d69184c0ff0da314ef