Dec 11 19:31:50.833 INFO checking domsj/rust-sd against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:31:50.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 19:31:50.999 INFO [stdout] 19ed0061f43f109ce99e6a62c5af5dd504ed2ee51f2f853eb649c93c0bc0226a
Dec 11 19:31:51.001 INFO running `"docker" "start" "-a" "19ed0061f43f109ce99e6a62c5af5dd504ed2ee51f2f853eb649c93c0bc0226a"`
Dec 11 19:31:51.476 INFO [stderr] usermod: no changes
Dec 11 19:31:51.600 INFO [stderr]     Checking serde_json v1.0.7
Dec 11 19:31:53.626 INFO [stderr]     Checking rust_sd v0.1.0 (/source)
Dec 11 19:31:54.944 INFO [stderr] warning: unused variable: `tcp_stream`
Dec 11 19:31:54.944 INFO [stderr]    --> src/main.rs:155:25
Dec 11 19:31:54.944 INFO [stderr]     |
Dec 11 19:31:54.944 INFO [stderr] 155 |                     let tcp_stream =
Dec 11 19:31:54.944 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_tcp_stream` instead
Dec 11 19:31:54.944 INFO [stderr]     |
Dec 11 19:31:54.945 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 19:31:54.945 INFO [stderr] 
Dec 11 19:31:54.980 INFO [stderr] warning: struct is never constructed: `MessageCodec`
Dec 11 19:31:54.981 INFO [stderr]   --> src/main.rs:72:5
Dec 11 19:31:54.981 INFO [stderr]    |
Dec 11 19:31:54.981 INFO [stderr] 72 |     struct MessageCodec;
Dec 11 19:31:54.982 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 19:31:54.984 INFO [stderr]    |
Dec 11 19:31:54.984 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 19:31:54.984 INFO [stderr] 
Dec 11 19:31:55.320 INFO [stderr] warning: unused variable: `tcp_stream`
Dec 11 19:31:55.320 INFO [stderr]    --> src/main.rs:155:25
Dec 11 19:31:55.320 INFO [stderr]     |
Dec 11 19:31:55.320 INFO [stderr] 155 |                     let tcp_stream =
Dec 11 19:31:55.320 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_tcp_stream` instead
Dec 11 19:31:55.320 INFO [stderr]     |
Dec 11 19:31:55.320 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 19:31:55.320 INFO [stderr] 
Dec 11 19:31:55.331 INFO [stderr] warning: struct is never constructed: `MessageCodec`
Dec 11 19:31:55.331 INFO [stderr]   --> src/main.rs:72:5
Dec 11 19:31:55.331 INFO [stderr]    |
Dec 11 19:31:55.331 INFO [stderr] 72 |     struct MessageCodec;
Dec 11 19:31:55.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 19:31:55.331 INFO [stderr]    |
Dec 11 19:31:55.331 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 19:31:55.331 INFO [stderr] 
Dec 11 19:31:55.373 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
Dec 11 19:31:55.379 INFO [stderr] su: No module specific data is present
Dec 11 19:31:56.240 INFO running `"docker" "inspect" "19ed0061f43f109ce99e6a62c5af5dd504ed2ee51f2f853eb649c93c0bc0226a"`
Dec 11 19:31:56.514 INFO running `"docker" "rm" "-f" "19ed0061f43f109ce99e6a62c5af5dd504ed2ee51f2f853eb649c93c0bc0226a"`
Dec 11 19:31:56.840 INFO [stdout] 19ed0061f43f109ce99e6a62c5af5dd504ed2ee51f2f853eb649c93c0bc0226a