Dec 14 02:16:54.616 INFO testing aspera-non-spernit/fancy against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 02:16:54.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 02:16:55.035 INFO [stdout] ddea52aa0b973aa993775218d4d57f7ff5bf67cddad0b9baef901b2e519a2d30
Dec 14 02:16:55.037 INFO running `"docker" "start" "-a" "ddea52aa0b973aa993775218d4d57f7ff5bf67cddad0b9baef901b2e519a2d30"`
Dec 14 02:16:56.342 INFO [stderr] usermod: no changes
Dec 14 02:16:56.451 INFO [stderr]    Compiling unix_socket v0.5.0
Dec 14 02:16:57.691 INFO [stderr]    Compiling syslog v3.3.0
Dec 14 02:16:59.051 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Dec 14 02:17:02.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
Dec 14 02:17:02.167 INFO [stderr] su: No module specific data is present
Dec 14 02:17:03.351 INFO running `"docker" "inspect" "ddea52aa0b973aa993775218d4d57f7ff5bf67cddad0b9baef901b2e519a2d30"`
Dec 14 02:17:03.691 INFO running `"docker" "rm" "-f" "ddea52aa0b973aa993775218d4d57f7ff5bf67cddad0b9baef901b2e519a2d30"`
Dec 14 02:17:04.061 INFO [stdout] ddea52aa0b973aa993775218d4d57f7ff5bf67cddad0b9baef901b2e519a2d30
Dec 14 02:17:04.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 02:17:04.603 INFO [stdout] 6410e30e8947d4192d72509357d875aeef1bc36d432762c626b8a3116822f7c7
Dec 14 02:17:04.612 INFO running `"docker" "start" "-a" "6410e30e8947d4192d72509357d875aeef1bc36d432762c626b8a3116822f7c7"`
Dec 14 02:17:05.735 INFO [stderr] usermod: no changes
Dec 14 02:17:05.879 INFO [stderr]    Compiling fancy v0.1.0 (/source)
Dec 14 02:17:09.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:17:09.375 INFO [stderr]   --> examples/default.rs:16:5
Dec 14 02:17:09.375 INFO [stderr]    |
Dec 14 02:17:09.375 INFO [stderr] 16 |     logger.send(Severity::LOG_INFO, ["Fancy: ", &env.description, " loaded"].concat());
Dec 14 02:17:09.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:17:09.375 INFO [stderr]    |
Dec 14 02:17:09.375 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 02:17:09.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:17:09.375 INFO [stderr] 
Dec 14 02:17:09.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:17:09.375 INFO [stderr]   --> examples/default.rs:42:17
Dec 14 02:17:09.375 INFO [stderr]    |
Dec 14 02:17:09.375 INFO [stderr] 42 |                 logger.send(Severity::LOG_INFO, ["Fancy: ", "adjusting Fan ", &pipe.fan.id, " to ", &(step.rpm.to_string()), " rpm"].concat());
Dec 14 02:17:09.375 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:17:09.375 INFO [stderr]    |
Dec 14 02:17:09.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:17:09.375 INFO [stderr] 
Dec 14 02:17:10.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
Dec 14 02:17:10.833 INFO [stderr] su: No module specific data is present
Dec 14 02:17:11.471 INFO running `"docker" "inspect" "6410e30e8947d4192d72509357d875aeef1bc36d432762c626b8a3116822f7c7"`
Dec 14 02:17:11.735 INFO running `"docker" "rm" "-f" "6410e30e8947d4192d72509357d875aeef1bc36d432762c626b8a3116822f7c7"`
Dec 14 02:17:12.127 INFO [stdout] 6410e30e8947d4192d72509357d875aeef1bc36d432762c626b8a3116822f7c7