Dec 04 16:32:36.851 INFO checking jmatta697/matta_bc against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:32:36.851 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:32:37.364 INFO [stdout] 141b17217c2db62aa3af18d9631e9a5b5bfbc1561bbeed39762364608ba20be7
Dec 04 16:32:37.367 INFO running `"docker" "start" "-a" "141b17217c2db62aa3af18d9631e9a5b5bfbc1561bbeed39762364608ba20be7"`
Dec 04 16:32:38.794 INFO [stderr] usermod: no changes
Dec 04 16:32:38.899 INFO [stderr]     Checking memchr v2.1.1
Dec 04 16:32:39.907 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 04 16:32:40.668 INFO [stderr]     Checking regex v1.0.6
Dec 04 16:32:43.263 INFO [stderr]     Checking matta_bc v0.1.0 (/source)
Dec 04 16:32:43.987 INFO [stderr] warning: value assigned to `variable_value_str` is never read
Dec 04 16:32:43.987 INFO [stderr]    --> src/main.rs:424:13
Dec 04 16:32:43.987 INFO [stderr]     |
Dec 04 16:32:43.987 INFO [stderr] 424 |     let mut variable_value_str = String::new();
Dec 04 16:32:43.987 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^
Dec 04 16:32:43.987 INFO [stderr]     |
Dec 04 16:32:43.987 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 04 16:32:43.987 INFO [stderr] 
Dec 04 16:32:44.487 INFO [stderr] warning: value assigned to `variable_value_str` is never read
Dec 04 16:32:44.487 INFO [stderr]    --> src/main.rs:424:13
Dec 04 16:32:44.487 INFO [stderr]     |
Dec 04 16:32:44.487 INFO [stderr] 424 |     let mut variable_value_str = String::new();
Dec 04 16:32:44.487 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^
Dec 04 16:32:44.487 INFO [stderr]     |
Dec 04 16:32:44.487 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 04 16:32:44.487 INFO [stderr] 
Dec 04 16:32:44.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.96s
Dec 04 16:32:44.779 INFO [stderr] su: No module specific data is present
Dec 04 16:32:45.516 INFO running `"docker" "inspect" "141b17217c2db62aa3af18d9631e9a5b5bfbc1561bbeed39762364608ba20be7"`
Dec 04 16:32:45.797 INFO running `"docker" "rm" "-f" "141b17217c2db62aa3af18d9631e9a5b5bfbc1561bbeed39762364608ba20be7"`
Dec 04 16:32:46.082 INFO [stdout] 141b17217c2db62aa3af18d9631e9a5b5bfbc1561bbeed39762364608ba20be7