Dec 12 03:19:45.289 INFO checking DCP-solved-with-Rust/dcp_00003 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:19:45.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 03:19:45.696 INFO [stdout] 01e6d26c8aec16775180e5c6cceb9062245996ff53034ec0629d0a407181dc05
Dec 12 03:19:45.704 INFO running `"docker" "start" "-a" "01e6d26c8aec16775180e5c6cceb9062245996ff53034ec0629d0a407181dc05"`
Dec 12 03:19:46.896 INFO [stderr] usermod: no changes
Dec 12 03:19:46.996 INFO [stderr]     Checking dcp_00003 v0.0.1 (/source)
Dec 12 03:19:48.229 INFO [stderr] warning: function is never used: `serialize`
Dec 12 03:19:48.229 INFO [stderr]   --> src/lib.rs:50:1
Dec 12 03:19:48.229 INFO [stderr]    |
Dec 12 03:19:48.229 INFO [stderr] 50 | fn serialize (root: Node) -> String
Dec 12 03:19:48.229 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:19:48.234 INFO [stderr]    |
Dec 12 03:19:48.234 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:19:48.234 INFO [stderr] 
Dec 12 03:19:48.234 INFO [stderr] warning: function is never used: `deserialize`
Dec 12 03:19:48.234 INFO [stderr]   --> src/lib.rs:55:1
Dec 12 03:19:48.234 INFO [stderr]    |
Dec 12 03:19:48.234 INFO [stderr] 55 | fn deserialize (s: String) -> Node
Dec 12 03:19:48.234 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:19:48.234 INFO [stderr] 
Dec 12 03:19:48.449 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 12 03:19:48.459 INFO [stderr] su: No module specific data is present
Dec 12 03:19:49.383 INFO running `"docker" "inspect" "01e6d26c8aec16775180e5c6cceb9062245996ff53034ec0629d0a407181dc05"`
Dec 12 03:19:49.678 INFO running `"docker" "rm" "-f" "01e6d26c8aec16775180e5c6cceb9062245996ff53034ec0629d0a407181dc05"`
Dec 12 03:19:49.988 INFO [stdout] 01e6d26c8aec16775180e5c6cceb9062245996ff53034ec0629d0a407181dc05