Dec 04 07:22:18.223 INFO checking wastevensv/cbor-telemetry-relay against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:22:18.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 07:22:18.785 INFO [stdout] a055f44739556daed5ad195db005fef779ba1a2ee5b52340a6eac7dbfb79e480
Dec 04 07:22:18.789 INFO running `"docker" "start" "-a" "a055f44739556daed5ad195db005fef779ba1a2ee5b52340a6eac7dbfb79e480"`
Dec 04 07:22:20.051 INFO [stderr] usermod: no changes
Dec 04 07:22:20.139 INFO [stderr]     Checking cobs v0.1.3
Dec 04 07:22:20.147 INFO [stderr]    Compiling proc-macro2 v0.3.6
Dec 04 07:22:20.147 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 04 07:22:20.147 INFO [stderr]     Checking serial-core v0.4.0
Dec 04 07:22:20.147 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 04 07:22:20.147 INFO [stderr]     Checking serde_json v1.0.15
Dec 04 07:22:21.259 INFO [stderr]     Checking serial-unix v0.4.0
Dec 04 07:22:22.273 INFO [stderr]     Checking serial v0.4.0
Dec 04 07:22:24.495 INFO [stderr]    Compiling quote v0.5.1
Dec 04 07:22:25.327 INFO [stderr]    Compiling syn v0.13.1
Dec 04 07:22:34.312 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 04 07:22:37.325 INFO [stderr]    Compiling serde_derive v1.0.39
Dec 04 07:22:46.511 INFO [stderr]     Checking receiver-cbor v0.2.0 (/source)
Dec 04 07:22:47.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:22:47.531 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 04 07:22:47.531 INFO [stderr]    |
Dec 04 07:22:47.531 INFO [stderr] 49 |                                     stream.flush();
Dec 04 07:22:47.531 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 04 07:22:47.531 INFO [stderr]    |
Dec 04 07:22:47.531 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:22:47.532 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:22:47.532 INFO [stderr] 
Dec 04 07:22:47.655 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 07:22:47.655 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 04 07:22:47.655 INFO [stderr]    |
Dec 04 07:22:47.655 INFO [stderr] 49 |                                     stream.flush();
Dec 04 07:22:47.655 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 04 07:22:47.691 INFO [stderr]    |
Dec 04 07:22:47.691 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:22:47.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 07:22:47.691 INFO [stderr] 
Dec 04 07:22:48.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.19s
Dec 04 07:22:48.283 INFO [stderr] su: No module specific data is present
Dec 04 07:22:49.637 INFO running `"docker" "inspect" "a055f44739556daed5ad195db005fef779ba1a2ee5b52340a6eac7dbfb79e480"`
Dec 04 07:22:49.995 INFO running `"docker" "rm" "-f" "a055f44739556daed5ad195db005fef779ba1a2ee5b52340a6eac7dbfb79e480"`
Dec 04 07:22:50.335 INFO [stdout] a055f44739556daed5ad195db005fef779ba1a2ee5b52340a6eac7dbfb79e480