Dec 05 06:41:45.911 INFO checking simbol-server-1.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:41:45.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 06:41:46.471 INFO [stdout] c33387740f66d620807b8b6a49682cbe1e918668e600d30f4f10f09a4647f095
Dec 05 06:41:46.473 INFO running `"docker" "start" "-a" "c33387740f66d620807b8b6a49682cbe1e918668e600d30f4f10f09a4647f095"`
Dec 05 06:41:48.019 INFO [stderr] usermod: no changes
Dec 05 06:41:48.191 INFO [stderr]     Checking iron v0.6.0
Dec 05 06:41:50.351 INFO [stderr]     Checking mount v0.4.0
Dec 05 06:41:50.351 INFO [stderr]     Checking router v0.6.0
Dec 05 06:41:50.351 INFO [stderr]     Checking iron-cors v0.8.0
Dec 05 06:41:54.375 INFO [stderr]     Checking staticfile v0.5.0
Dec 05 06:41:56.719 INFO [stderr]     Checking simbol-server v1.1.0 (/source)
Dec 05 06:42:00.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:42:00.122 INFO [stderr]   --> src/multivp.rs:82:37
Dec 05 06:42:00.122 INFO [stderr]    |
Dec 05 06:42:00.122 INFO [stderr] 82 |                                     connection.send(msg);
Dec 05 06:42:00.122 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:42:00.122 INFO [stderr]    |
Dec 05 06:42:00.122 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 06:42:00.122 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:42:00.122 INFO [stderr] 
Dec 05 06:42:00.122 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:42:00.122 INFO [stderr]    --> src/multivp.rs:112:21
Dec 05 06:42:00.122 INFO [stderr]     |
Dec 05 06:42:00.122 INFO [stderr] 112 |                     connection.send(msg);
Dec 05 06:42:00.122 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:42:00.122 INFO [stderr]     |
Dec 05 06:42:00.122 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:42:00.122 INFO [stderr] 
Dec 05 06:42:00.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:42:00.227 INFO [stderr]   --> src/multivp.rs:82:37
Dec 05 06:42:00.227 INFO [stderr]    |
Dec 05 06:42:00.227 INFO [stderr] 82 |                                     connection.send(msg);
Dec 05 06:42:00.227 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:42:00.227 INFO [stderr]    |
Dec 05 06:42:00.227 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 06:42:00.227 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:42:00.227 INFO [stderr] 
Dec 05 06:42:00.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 06:42:00.227 INFO [stderr]    --> src/multivp.rs:112:21
Dec 05 06:42:00.227 INFO [stderr]     |
Dec 05 06:42:00.227 INFO [stderr] 112 |                     connection.send(msg);
Dec 05 06:42:00.227 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:42:00.227 INFO [stderr]     |
Dec 05 06:42:00.227 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 06:42:00.227 INFO [stderr] 
Dec 05 06:42:00.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.20s
Dec 05 06:42:00.261 INFO [stderr] su: No module specific data is present
Dec 05 06:42:00.565 INFO running `"docker" "inspect" "c33387740f66d620807b8b6a49682cbe1e918668e600d30f4f10f09a4647f095"`
Dec 05 06:42:00.697 INFO running `"docker" "rm" "-f" "c33387740f66d620807b8b6a49682cbe1e918668e600d30f4f10f09a4647f095"`
Dec 05 06:42:00.783 INFO [stdout] c33387740f66d620807b8b6a49682cbe1e918668e600d30f4f10f09a4647f095