Dec 11 21:27:19.636 INFO checking brinchj/rustfest-fastware against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:27:19.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 21:27:20.040 INFO [stdout] 2d880a33792088f652864f422fabd1afb2f40a5723b0b93f099418b7af5489f9
Dec 11 21:27:20.046 INFO running `"docker" "start" "-a" "2d880a33792088f652864f422fabd1afb2f40a5723b0b93f099418b7af5489f9"`
Dec 11 21:27:21.296 INFO [stderr] usermod: no changes
Dec 11 21:27:21.417 INFO [stderr]     Checking memchr v2.0.1
Dec 11 21:27:21.912 INFO [stderr]     Checking combine v3.2.0
Dec 11 21:27:40.992 INFO [stderr]     Checking rustfest v0.1.0 (/source)
Dec 11 21:27:43.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:43.868 INFO [stderr]    --> src/lib.rs:387:17
Dec 11 21:27:43.868 INFO [stderr]     |
Dec 11 21:27:43.868 INFO [stderr] 387 |                 black_box(eval(&line, &mut env));
Dec 11 21:27:43.868 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:43.869 INFO [stderr]     |
Dec 11 21:27:43.869 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 21:27:43.869 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:43.869 INFO [stderr] 
Dec 11 21:27:43.906 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.58s
Dec 11 21:27:43.913 INFO [stderr] su: No module specific data is present
Dec 11 21:27:44.900 INFO running `"docker" "inspect" "2d880a33792088f652864f422fabd1afb2f40a5723b0b93f099418b7af5489f9"`
Dec 11 21:27:45.202 INFO running `"docker" "rm" "-f" "2d880a33792088f652864f422fabd1afb2f40a5723b0b93f099418b7af5489f9"`
Dec 11 21:27:45.556 INFO [stdout] 2d880a33792088f652864f422fabd1afb2f40a5723b0b93f099418b7af5489f9