Dec 04 06:48:09.470 INFO checking xrisjc/rack against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:48:09.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 06:48:10.054 INFO [stdout] 0e37dbbcee531002d7572ef24b53d877d3ae62ef2b77fa1e2deb4380b9b4b85c
Dec 04 06:48:10.056 INFO running `"docker" "start" "-a" "0e37dbbcee531002d7572ef24b53d877d3ae62ef2b77fa1e2deb4380b9b4b85c"`
Dec 04 06:48:12.511 INFO [stderr] usermod: no changes
Dec 04 06:48:12.558 INFO [stderr]     Checking rack v0.1.0 (/source)
Dec 04 06:48:13.643 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:13.643 INFO [stderr]   --> src/asm/mod.rs:23:9
Dec 04 06:48:13.643 INFO [stderr]    |
Dec 04 06:48:13.643 INFO [stderr] 23 |         writeln!(out, "{:016b}", encode(*command));
Dec 04 06:48:13.643 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:13.643 INFO [stderr]    |
Dec 04 06:48:13.643 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:48:13.643 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:13.643 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 04 06:48:13.643 INFO [stderr] 
Dec 04 06:48:13.659 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:48:13.659 INFO [stderr]   --> src/asm/mod.rs:23:9
Dec 04 06:48:13.659 INFO [stderr]    |
Dec 04 06:48:13.659 INFO [stderr] 23 |         writeln!(out, "{:016b}", encode(*command));
Dec 04 06:48:13.659 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:48:13.659 INFO [stderr]    |
Dec 04 06:48:13.659 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:48:13.659 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:48:13.659 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 04 06:48:13.659 INFO [stderr] 
Dec 04 06:48:14.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 04 06:48:14.055 INFO [stderr] su: No module specific data is present
Dec 04 06:48:14.565 INFO running `"docker" "inspect" "0e37dbbcee531002d7572ef24b53d877d3ae62ef2b77fa1e2deb4380b9b4b85c"`
Dec 04 06:48:14.865 INFO running `"docker" "rm" "-f" "0e37dbbcee531002d7572ef24b53d877d3ae62ef2b77fa1e2deb4380b9b4b85c"`
Dec 04 06:48:15.175 INFO [stdout] 0e37dbbcee531002d7572ef24b53d877d3ae62ef2b77fa1e2deb4380b9b4b85c