Nov 17 08:55:07.158 INFO testing aspera-non-spernit/fancy against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 08:55:07.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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"`
Nov 17 08:55:07.777 INFO [stdout] 6b6e8412524272a982d6056b22d0597af820d60624789e0334528ee365ac2c29
Nov 17 08:55:07.778 INFO running `"docker" "start" "-a" "6b6e8412524272a982d6056b22d0597af820d60624789e0334528ee365ac2c29"`
Nov 17 08:55:09.450 INFO [stderr] usermod: no changes
Nov 17 08:55:09.607 INFO [stderr]    Compiling unix_socket v0.5.0
Nov 17 08:55:10.694 INFO [stderr]    Compiling syslog v3.3.0
Nov 17 08:55:12.211 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Nov 17 08:55:15.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
Nov 17 08:55:15.275 INFO [stderr] su: No module specific data is present
Nov 17 08:55:16.578 INFO running `"docker" "inspect" "6b6e8412524272a982d6056b22d0597af820d60624789e0334528ee365ac2c29"`
Nov 17 08:55:16.903 INFO running `"docker" "rm" "-f" "6b6e8412524272a982d6056b22d0597af820d60624789e0334528ee365ac2c29"`
Nov 17 08:55:17.263 INFO [stdout] 6b6e8412524272a982d6056b22d0597af820d60624789e0334528ee365ac2c29
Nov 17 08:55:17.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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"`
Nov 17 08:55:17.895 INFO [stdout] df66942f401905bf77ec42aa6db2a030e74cd234642461ef539f6db07107789c
Nov 17 08:55:17.897 INFO running `"docker" "start" "-a" "df66942f401905bf77ec42aa6db2a030e74cd234642461ef539f6db07107789c"`
Nov 17 08:55:19.810 INFO [stderr] usermod: no changes
Nov 17 08:55:19.943 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Nov 17 08:55:22.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 08:55:22.543 INFO [stderr]   --> examples/default.rs:16:5
Nov 17 08:55:22.543 INFO [stderr]    |
Nov 17 08:55:22.544 INFO [stderr] 16 |     logger.send(Severity::LOG_INFO, ["Fancy: ", &env.description, " loaded"].concat());
Nov 17 08:55:22.544 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 08:55:22.544 INFO [stderr]    |
Nov 17 08:55:22.545 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 08:55:22.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 08:55:22.545 INFO [stderr] 
Nov 17 08:55:22.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 08:55:22.546 INFO [stderr]   --> examples/default.rs:42:17
Nov 17 08:55:22.546 INFO [stderr]    |
Nov 17 08:55:22.546 INFO [stderr] 42 |                 logger.send(Severity::LOG_INFO, ["Fancy: ", "adjusting Fan ", &pipe.fan.id, " to ", &(step.rpm.to_string()), " rpm"].concat());
Nov 17 08:55:22.547 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 08:55:22.547 INFO [stderr]    |
Nov 17 08:55:22.547 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 08:55:22.548 INFO [stderr] 
Nov 17 08:55:24.035 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Nov 17 08:55:24.056 INFO [stderr] su: No module specific data is present
Nov 17 08:55:24.980 INFO running `"docker" "inspect" "df66942f401905bf77ec42aa6db2a030e74cd234642461ef539f6db07107789c"`
Nov 17 08:55:25.231 INFO running `"docker" "rm" "-f" "df66942f401905bf77ec42aa6db2a030e74cd234642461ef539f6db07107789c"`
Nov 17 08:55:25.525 INFO [stdout] df66942f401905bf77ec42aa6db2a030e74cd234642461ef539f6db07107789c