Dec 17 12:14:45.257 INFO checking wastevensv/cbor-telemetry-relay against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:14:45.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/wastevensv/cbor-telemetry-relay:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:14:45.841 INFO [stdout] c8e1635219ce82fd0d9bf8df24f6503d4d0cba35da52156a2c966d0db1c95204
Dec 17 12:14:45.852 INFO running `"docker" "start" "-a" "c8e1635219ce82fd0d9bf8df24f6503d4d0cba35da52156a2c966d0db1c95204"`
Dec 17 12:14:47.933 INFO [stderr]     Checking serde v1.0.37
Dec 17 12:14:47.933 INFO [stderr]     Checking cobs v0.1.3
Dec 17 12:14:47.933 INFO [stderr]    Compiling proc-macro2 v0.3.6
Dec 17 12:14:47.933 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 17 12:14:47.933 INFO [stderr]     Checking serial-core v0.4.0
Dec 17 12:14:47.933 INFO [stderr]     Checking termios v0.2.2
Dec 17 12:14:48.989 INFO [stderr]     Checking serial-unix v0.4.0
Dec 17 12:14:49.765 INFO [stderr]     Checking serial v0.4.0
Dec 17 12:14:52.222 INFO [stderr]    Compiling quote v0.5.1
Dec 17 12:14:53.089 INFO [stderr]    Compiling syn v0.13.1
Dec 17 12:15:05.743 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 17 12:15:09.980 INFO [stderr]    Compiling serde_derive v1.0.39
Dec 17 12:15:11.296 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 17 12:15:11.296 INFO [stderr]     Checking serde_json v1.0.15
Dec 17 12:15:21.073 INFO [stderr]     Checking receiver-cbor v0.2.0 (/opt/crater/workdir)
Dec 17 12:15:22.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 12:15:22.021 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 17 12:15:22.021 INFO [stderr]    |
Dec 17 12:15:22.021 INFO [stderr] 49 |                                     stream.flush();
Dec 17 12:15:22.021 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 17 12:15:22.021 INFO [stderr]    |
Dec 17 12:15:22.021 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 12:15:22.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:15:22.021 INFO [stderr] 
Dec 17 12:15:22.216 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 12:15:22.217 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 17 12:15:22.217 INFO [stderr]    |
Dec 17 12:15:22.217 INFO [stderr] 49 |                                     stream.flush();
Dec 17 12:15:22.217 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 17 12:15:22.218 INFO [stderr]    |
Dec 17 12:15:22.218 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 12:15:22.218 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:15:22.218 INFO [stderr] 
Dec 17 12:15:22.605 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.77s
Dec 17 12:15:24.220 INFO running `"docker" "inspect" "c8e1635219ce82fd0d9bf8df24f6503d4d0cba35da52156a2c966d0db1c95204"`
Dec 17 12:15:24.650 INFO running `"docker" "rm" "-f" "c8e1635219ce82fd0d9bf8df24f6503d4d0cba35da52156a2c966d0db1c95204"`
Dec 17 12:15:24.991 INFO [stdout] c8e1635219ce82fd0d9bf8df24f6503d4d0cba35da52156a2c966d0db1c95204