Dec 05 02:56:55.338 INFO checking DCP-solved-with-Rust/dcp_00003 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:56:55.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 02:56:55.873 INFO [stdout] 52b32bd829f18e7003d34567ec540082c402913fa121cf16e4954ffac53536de
Dec 05 02:56:55.880 INFO running `"docker" "start" "-a" "52b32bd829f18e7003d34567ec540082c402913fa121cf16e4954ffac53536de"`
Dec 05 02:56:57.338 INFO [stderr] usermod: no changes
Dec 05 02:56:57.477 INFO [stderr]     Checking dcp_00003 v0.0.1 (/source)
Dec 05 02:56:59.071 INFO [stderr] warning: function is never used: `serialize`
Dec 05 02:56:59.071 INFO [stderr]   --> src/lib.rs:50:1
Dec 05 02:56:59.072 INFO [stderr]    |
Dec 05 02:56:59.072 INFO [stderr] 50 | fn serialize (root: Node) -> String
Dec 05 02:56:59.072 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:59.072 INFO [stderr]    |
Dec 05 02:56:59.073 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:56:59.073 INFO [stderr] 
Dec 05 02:56:59.073 INFO [stderr] warning: function is never used: `deserialize`
Dec 05 02:56:59.073 INFO [stderr]   --> src/lib.rs:55:1
Dec 05 02:56:59.074 INFO [stderr]    |
Dec 05 02:56:59.074 INFO [stderr] 55 | fn deserialize (s: String) -> Node
Dec 05 02:56:59.074 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:59.074 INFO [stderr] 
Dec 05 02:56:59.288 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Dec 05 02:56:59.292 INFO [stderr] su: No module specific data is present
Dec 05 02:57:00.921 INFO running `"docker" "inspect" "52b32bd829f18e7003d34567ec540082c402913fa121cf16e4954ffac53536de"`
Dec 05 02:57:01.271 INFO running `"docker" "rm" "-f" "52b32bd829f18e7003d34567ec540082c402913fa121cf16e4954ffac53536de"`
Dec 05 02:57:01.683 INFO [stdout] 52b32bd829f18e7003d34567ec540082c402913fa121cf16e4954ffac53536de