Nov 27 17:24:02.498 INFO checking wastevensv/cbor-telemetry-relay against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 17:24:02.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 27 17:24:02.903 INFO [stdout] 27e547a986785ab6befbfdd7c16e83cd75e6e6ed5b92cb360c96e5ae5fe0266c
Nov 27 17:24:02.908 INFO running `"docker" "start" "-a" "27e547a986785ab6befbfdd7c16e83cd75e6e6ed5b92cb360c96e5ae5fe0266c"`
Nov 27 17:24:04.462 INFO [stderr] usermod: no changes
Nov 27 17:24:04.602 INFO [stderr]     Checking byteorder v1.2.2
Nov 27 17:24:04.602 INFO [stderr]     Checking serde v1.0.37
Nov 27 17:24:04.603 INFO [stderr]     Checking num-traits v0.2.2
Nov 27 17:24:04.617 INFO [stderr]     Checking cobs v0.1.3
Nov 27 17:24:04.629 INFO [stderr]    Compiling proc-macro2 v0.3.6
Nov 27 17:24:04.629 INFO [stderr]     Checking ioctl-rs v0.1.6
Nov 27 17:24:04.629 INFO [stderr]     Checking serial-core v0.4.0
Nov 27 17:24:04.630 INFO [stderr]     Checking termios v0.2.2
Nov 27 17:24:06.049 INFO [stderr]     Checking serial-unix v0.4.0
Nov 27 17:24:07.592 INFO [stderr]     Checking serial v0.4.0
Nov 27 17:24:12.051 INFO [stderr]    Compiling quote v0.5.1
Nov 27 17:24:13.524 INFO [stderr]    Compiling syn v0.13.1
Nov 27 17:24:26.724 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Nov 27 17:24:30.429 INFO [stderr]     Checking serde_json v1.0.15
Nov 27 17:24:30.429 INFO [stderr]     Checking serde_cbor v0.8.2
Nov 27 17:24:30.604 INFO [stderr]    Compiling serde_derive v1.0.39
Nov 27 17:24:43.641 INFO [stderr]     Checking receiver-cbor v0.2.0 (/source)
Nov 27 17:24:44.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:24:44.741 INFO [stderr]   --> src/bin_proxy.rs:49:37
Nov 27 17:24:44.741 INFO [stderr]    |
Nov 27 17:24:44.741 INFO [stderr] 49 |                                     stream.flush();
Nov 27 17:24:44.742 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Nov 27 17:24:44.776 INFO [stderr]    |
Nov 27 17:24:44.777 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 17:24:44.777 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:24:44.777 INFO [stderr] 
Nov 27 17:24:44.801 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:24:44.802 INFO [stderr]   --> src/bin_proxy.rs:49:37
Nov 27 17:24:44.802 INFO [stderr]    |
Nov 27 17:24:44.802 INFO [stderr] 49 |                                     stream.flush();
Nov 27 17:24:44.803 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Nov 27 17:24:44.803 INFO [stderr]    |
Nov 27 17:24:44.803 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 17:24:44.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:24:44.804 INFO [stderr] 
Nov 27 17:24:45.358 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.86s
Nov 27 17:24:45.365 INFO [stderr] su: No module specific data is present
Nov 27 17:24:46.628 INFO running `"docker" "inspect" "27e547a986785ab6befbfdd7c16e83cd75e6e6ed5b92cb360c96e5ae5fe0266c"`
Nov 27 17:24:47.008 INFO running `"docker" "rm" "-f" "27e547a986785ab6befbfdd7c16e83cd75e6e6ed5b92cb360c96e5ae5fe0266c"`
Nov 27 17:24:47.369 INFO [stdout] 27e547a986785ab6befbfdd7c16e83cd75e6e6ed5b92cb360c96e5ae5fe0266c