Dec 04 07:22:14.942 INFO checking wastevensv/cbor-telemetry-relay against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:22:14.942 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 04 07:22:15.454 INFO [stdout] ab3ba7ae2c1a7b5a4f6cb1c4a302d56ea33ebfaed7bc4187f585c576df6d4d6c
Dec 04 07:22:15.457 INFO running `"docker" "start" "-a" "ab3ba7ae2c1a7b5a4f6cb1c4a302d56ea33ebfaed7bc4187f585c576df6d4d6c"`
Dec 04 07:22:17.326 INFO [stderr] usermod: no changes
Dec 04 07:22:17.421 INFO [stderr]     Checking cobs v0.1.3
Dec 04 07:22:17.422 INFO [stderr]     Checking termios v0.2.2
Dec 04 07:22:17.422 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 04 07:22:17.422 INFO [stderr]     Checking serial-core v0.4.0
Dec 04 07:22:17.423 INFO [stderr]     Checking serde_json v1.0.15
Dec 04 07:22:17.423 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 04 07:22:17.423 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 04 07:22:18.475 INFO [stderr]     Checking serial-unix v0.4.0
Dec 04 07:22:19.205 INFO [stderr]     Checking serial v0.4.0
Dec 04 07:22:23.487 INFO [stderr]    Compiling serde_derive v1.0.39
Dec 04 07:22:33.589 INFO [stderr]     Checking receiver-cbor v0.2.0 (/source)
Dec 04 07:22:34.583 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:22:34.583 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 04 07:22:34.584 INFO [stderr]    |
Dec 04 07:22:34.584 INFO [stderr] 49 |                                     stream.flush();
Dec 04 07:22:34.584 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 04 07:22:34.585 INFO [stderr]    |
Dec 04 07:22:34.585 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:22:34.585 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:22:34.586 INFO [stderr] 
Dec 04 07:22:34.637 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:22:34.638 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 04 07:22:34.638 INFO [stderr]    |
Dec 04 07:22:34.638 INFO [stderr] 49 |                                     stream.flush();
Dec 04 07:22:34.638 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 04 07:22:34.639 INFO [stderr]    |
Dec 04 07:22:34.639 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:22:34.639 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:22:34.640 INFO [stderr] 
Dec 04 07:22:35.175 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.82s
Dec 04 07:22:35.188 INFO [stderr] su: No module specific data is present
Dec 04 07:22:36.626 INFO running `"docker" "inspect" "ab3ba7ae2c1a7b5a4f6cb1c4a302d56ea33ebfaed7bc4187f585c576df6d4d6c"`
Dec 04 07:22:37.023 INFO running `"docker" "rm" "-f" "ab3ba7ae2c1a7b5a4f6cb1c4a302d56ea33ebfaed7bc4187f585c576df6d4d6c"`
Dec 04 07:22:37.411 INFO [stdout] ab3ba7ae2c1a7b5a4f6cb1c4a302d56ea33ebfaed7bc4187f585c576df6d4d6c