Dec 04 22:17:55.009 INFO checking aspera-non-spernit/fancy against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:17:55.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 22:17:55.397 INFO [stdout] 87e325c2a43c574bca4f1f4472f14e33567c55f19cd4131496dbbbe4f7f86d72
Dec 04 22:17:55.397 INFO running `"docker" "start" "-a" "87e325c2a43c574bca4f1f4472f14e33567c55f19cd4131496dbbbe4f7f86d72"`
Dec 04 22:17:57.187 INFO [stderr] usermod: no changes
Dec 04 22:17:57.355 INFO [stderr]     Checking unix_socket v0.5.0
Dec 04 22:17:58.096 INFO [stderr]     Checking syslog v3.3.0
Dec 04 22:17:59.003 INFO [stderr]     Checking fancy v0.1.0 (/source)
Dec 04 22:18:03.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:18:03.111 INFO [stderr]   --> examples/default.rs:16:5
Dec 04 22:18:03.111 INFO [stderr]    |
Dec 04 22:18:03.111 INFO [stderr] 16 |     logger.send(Severity::LOG_INFO, ["Fancy: ", &env.description, " loaded"].concat());
Dec 04 22:18:03.111 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:18:03.111 INFO [stderr]    |
Dec 04 22:18:03.111 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:18:03.111 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:18:03.111 INFO [stderr] 
Dec 04 22:18:03.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:18:03.111 INFO [stderr]   --> examples/default.rs:42:17
Dec 04 22:18:03.111 INFO [stderr]    |
Dec 04 22:18:03.111 INFO [stderr] 42 |                 logger.send(Severity::LOG_INFO, ["Fancy: ", "adjusting Fan ", &pipe.fan.id, " to ", &(step.rpm.to_string()), " rpm"].concat());
Dec 04 22:18:03.111 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:18:03.111 INFO [stderr]    |
Dec 04 22:18:03.111 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:18:03.111 INFO [stderr] 
Dec 04 22:18:03.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
Dec 04 22:18:03.141 INFO [stderr] su: No module specific data is present
Dec 04 22:18:03.797 INFO running `"docker" "inspect" "87e325c2a43c574bca4f1f4472f14e33567c55f19cd4131496dbbbe4f7f86d72"`
Dec 04 22:18:04.167 INFO running `"docker" "rm" "-f" "87e325c2a43c574bca4f1f4472f14e33567c55f19cd4131496dbbbe4f7f86d72"`
Dec 04 22:18:04.566 INFO [stdout] 87e325c2a43c574bca4f1f4472f14e33567c55f19cd4131496dbbbe4f7f86d72