Dec 11 06:27:18.012 INFO checking wastevensv/cbor-telemetry-relay against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 06:27:18.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 06:27:18.524 INFO [stdout] 87d88d43bc9a8a7fa732fd48bf4fd1bcfcf7e5d18fe4b65fa9158c6a123353c1
Dec 11 06:27:18.527 INFO running `"docker" "start" "-a" "87d88d43bc9a8a7fa732fd48bf4fd1bcfcf7e5d18fe4b65fa9158c6a123353c1"`
Dec 11 06:27:20.820 INFO [stderr] usermod: no changes
Dec 11 06:27:20.924 INFO [stderr]     Checking serde v1.0.37
Dec 11 06:27:20.924 INFO [stderr]     Checking cobs v0.1.3
Dec 11 06:27:20.924 INFO [stderr]    Compiling proc-macro2 v0.3.6
Dec 11 06:27:20.924 INFO [stderr]     Checking termios v0.2.2
Dec 11 06:27:20.924 INFO [stderr]     Checking serial-core v0.4.0
Dec 11 06:27:20.924 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 11 06:27:21.864 INFO [stderr]     Checking serial-unix v0.4.0
Dec 11 06:27:22.612 INFO [stderr]     Checking serial v0.4.0
Dec 11 06:27:24.312 INFO [stderr]    Compiling quote v0.5.1
Dec 11 06:27:25.120 INFO [stderr]    Compiling syn v0.13.1
Dec 11 06:27:36.219 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 11 06:27:38.986 INFO [stderr]     Checking serde_json v1.0.15
Dec 11 06:27:38.987 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 11 06:27:41.422 INFO [stderr]    Compiling serde_derive v1.0.39
Dec 11 06:27:52.308 INFO [stderr]     Checking receiver-cbor v0.2.0 (/source)
Dec 11 06:27:53.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:27:53.130 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 11 06:27:53.130 INFO [stderr]    |
Dec 11 06:27:53.130 INFO [stderr] 49 |                                     stream.flush();
Dec 11 06:27:53.130 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 11 06:27:53.130 INFO [stderr]    |
Dec 11 06:27:53.130 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:27:53.130 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:27:53.130 INFO [stderr] 
Dec 11 06:27:53.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:27:53.324 INFO [stderr]   --> src/bin_proxy.rs:49:37
Dec 11 06:27:53.324 INFO [stderr]    |
Dec 11 06:27:53.324 INFO [stderr] 49 |                                     stream.flush();
Dec 11 06:27:53.324 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^
Dec 11 06:27:53.324 INFO [stderr]    |
Dec 11 06:27:53.324 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:27:53.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:27:53.324 INFO [stderr] 
Dec 11 06:27:53.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.91s
Dec 11 06:27:53.760 INFO [stderr] su: No module specific data is present
Dec 11 06:27:54.852 INFO running `"docker" "inspect" "87d88d43bc9a8a7fa732fd48bf4fd1bcfcf7e5d18fe4b65fa9158c6a123353c1"`
Dec 11 06:27:55.086 INFO running `"docker" "rm" "-f" "87d88d43bc9a8a7fa732fd48bf4fd1bcfcf7e5d18fe4b65fa9158c6a123353c1"`
Dec 11 06:27:55.440 INFO [stdout] 87d88d43bc9a8a7fa732fd48bf4fd1bcfcf7e5d18fe4b65fa9158c6a123353c1