Dec 14 02:16:47.296 INFO testing aspera-non-spernit/fancy against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 02:16:47.296 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 02:16:48.103 INFO [stdout] 8e3d8b0964cc88f3c07fc579d7becd6e624585e0c13666a9e6fb5ce6c89f7bf9
Dec 14 02:16:48.111 INFO running `"docker" "start" "-a" "8e3d8b0964cc88f3c07fc579d7becd6e624585e0c13666a9e6fb5ce6c89f7bf9"`
Dec 14 02:16:49.395 INFO [stderr] usermod: no changes
Dec 14 02:16:49.535 INFO [stderr]    Compiling unix_socket v0.5.0
Dec 14 02:16:50.807 INFO [stderr]    Compiling syslog v3.3.0
Dec 14 02:16:52.139 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Dec 14 02:16:54.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
Dec 14 02:16:54.930 INFO [stderr] su: No module specific data is present
Dec 14 02:16:55.771 INFO running `"docker" "inspect" "8e3d8b0964cc88f3c07fc579d7becd6e624585e0c13666a9e6fb5ce6c89f7bf9"`
Dec 14 02:16:56.252 INFO running `"docker" "rm" "-f" "8e3d8b0964cc88f3c07fc579d7becd6e624585e0c13666a9e6fb5ce6c89f7bf9"`
Dec 14 02:16:56.582 INFO [stdout] 8e3d8b0964cc88f3c07fc579d7becd6e624585e0c13666a9e6fb5ce6c89f7bf9
Dec 14 02:16:56.587 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 02:16:57.096 INFO [stdout] 328191b15a17ab0e63429665088e3fbc7df8e47fe6c2dc03a05273528b2037df
Dec 14 02:16:57.099 INFO running `"docker" "start" "-a" "328191b15a17ab0e63429665088e3fbc7df8e47fe6c2dc03a05273528b2037df"`
Dec 14 02:16:59.315 INFO [stderr] usermod: no changes
Dec 14 02:16:59.439 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Dec 14 02:17:02.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:17:02.863 INFO [stderr]   --> examples/default.rs:16:5
Dec 14 02:17:02.863 INFO [stderr]    |
Dec 14 02:17:02.863 INFO [stderr] 16 |     logger.send(Severity::LOG_INFO, ["Fancy: ", &env.description, " loaded"].concat());
Dec 14 02:17:02.863 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:17:02.863 INFO [stderr]    |
Dec 14 02:17:02.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 02:17:02.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:17:02.863 INFO [stderr] 
Dec 14 02:17:02.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:17:02.863 INFO [stderr]   --> examples/default.rs:42:17
Dec 14 02:17:02.863 INFO [stderr]    |
Dec 14 02:17:02.863 INFO [stderr] 42 |                 logger.send(Severity::LOG_INFO, ["Fancy: ", "adjusting Fan ", &pipe.fan.id, " to ", &(step.rpm.to_string()), " rpm"].concat());
Dec 14 02:17:02.863 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:17:02.863 INFO [stderr]    |
Dec 14 02:17:02.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:17:02.863 INFO [stderr] 
Dec 14 02:17:04.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
Dec 14 02:17:04.359 INFO [stderr] su: No module specific data is present
Dec 14 02:17:05.127 INFO running `"docker" "inspect" "328191b15a17ab0e63429665088e3fbc7df8e47fe6c2dc03a05273528b2037df"`
Dec 14 02:17:05.391 INFO running `"docker" "rm" "-f" "328191b15a17ab0e63429665088e3fbc7df8e47fe6c2dc03a05273528b2037df"`
Dec 14 02:17:05.739 INFO [stdout] 328191b15a17ab0e63429665088e3fbc7df8e47fe6c2dc03a05273528b2037df