Dec 06 06:20:18.973 INFO testing aspera-non-spernit/fancy against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 06:20:18.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 06 06:20:19.513 INFO [stdout] 807805c426fd848cfb6ed3cffb4d1854fec86b868c4bbb3df6afc31fd64d7bf1
Dec 06 06:20:19.515 INFO running `"docker" "start" "-a" "807805c426fd848cfb6ed3cffb4d1854fec86b868c4bbb3df6afc31fd64d7bf1"`
Dec 06 06:20:21.668 INFO [stderr] usermod: no changes
Dec 06 06:20:21.759 INFO [stderr]    Compiling unix_socket v0.5.0
Dec 06 06:20:22.984 INFO [stderr]    Compiling syslog v3.3.0
Dec 06 06:20:24.489 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Dec 06 06:20:27.209 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
Dec 06 06:20:27.217 INFO [stderr] su: No module specific data is present
Dec 06 06:20:28.879 INFO running `"docker" "inspect" "807805c426fd848cfb6ed3cffb4d1854fec86b868c4bbb3df6afc31fd64d7bf1"`
Dec 06 06:20:29.244 INFO running `"docker" "rm" "-f" "807805c426fd848cfb6ed3cffb4d1854fec86b868c4bbb3df6afc31fd64d7bf1"`
Dec 06 06:20:29.532 INFO [stdout] 807805c426fd848cfb6ed3cffb4d1854fec86b868c4bbb3df6afc31fd64d7bf1
Dec 06 06:20:29.534 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 06 06:20:30.044 INFO [stdout] b4ad2928d90fd7df31a5d495a39e1576cefdca1181088870953973564b31387a
Dec 06 06:20:30.046 INFO running `"docker" "start" "-a" "b4ad2928d90fd7df31a5d495a39e1576cefdca1181088870953973564b31387a"`
Dec 06 06:20:32.540 INFO [stderr] usermod: no changes
Dec 06 06:20:32.670 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Dec 06 06:20:35.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 06:20:35.736 INFO [stderr]   --> examples/default.rs:16:5
Dec 06 06:20:35.736 INFO [stderr]    |
Dec 06 06:20:35.737 INFO [stderr] 16 |     logger.send(Severity::LOG_INFO, ["Fancy: ", &env.description, " loaded"].concat());
Dec 06 06:20:35.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:20:35.737 INFO [stderr]    |
Dec 06 06:20:35.738 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 06:20:35.738 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 06:20:35.738 INFO [stderr] 
Dec 06 06:20:35.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 06:20:35.739 INFO [stderr]   --> examples/default.rs:42:17
Dec 06 06:20:35.739 INFO [stderr]    |
Dec 06 06:20:35.739 INFO [stderr] 42 |                 logger.send(Severity::LOG_INFO, ["Fancy: ", "adjusting Fan ", &pipe.fan.id, " to ", &(step.rpm.to_string()), " rpm"].concat());
Dec 06 06:20:35.739 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:20:35.740 INFO [stderr]    |
Dec 06 06:20:35.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 06:20:35.740 INFO [stderr] 
Dec 06 06:20:37.228 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
Dec 06 06:20:37.233 INFO [stderr] su: No module specific data is present
Dec 06 06:20:38.518 INFO running `"docker" "inspect" "b4ad2928d90fd7df31a5d495a39e1576cefdca1181088870953973564b31387a"`
Dec 06 06:20:38.896 INFO running `"docker" "rm" "-f" "b4ad2928d90fd7df31a5d495a39e1576cefdca1181088870953973564b31387a"`
Dec 06 06:20:39.260 INFO [stdout] b4ad2928d90fd7df31a5d495a39e1576cefdca1181088870953973564b31387a