Dec 12 03:19:46.419 INFO checking DCP-solved-with-Rust/dcp_00003 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:19:46.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12 03:19:46.878 INFO [stdout] f8030e56fd9476cd36b3aac9e9c1f9481b52a1ccb43515002daf8ef70e5e14e7
Dec 12 03:19:46.880 INFO running `"docker" "start" "-a" "f8030e56fd9476cd36b3aac9e9c1f9481b52a1ccb43515002daf8ef70e5e14e7"`
Dec 12 03:19:48.368 INFO [stderr] usermod: no changes
Dec 12 03:19:48.456 INFO [stderr]     Checking dcp_00003 v0.0.1 (/source)
Dec 12 03:19:49.404 INFO [stderr] warning: function is never used: `serialize`
Dec 12 03:19:49.404 INFO [stderr]   --> src/lib.rs:50:1
Dec 12 03:19:49.404 INFO [stderr]    |
Dec 12 03:19:49.404 INFO [stderr] 50 | fn serialize (root: Node) -> String
Dec 12 03:19:49.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:19:49.404 INFO [stderr]    |
Dec 12 03:19:49.404 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:19:49.404 INFO [stderr] 
Dec 12 03:19:49.404 INFO [stderr] warning: function is never used: `deserialize`
Dec 12 03:19:49.404 INFO [stderr]   --> src/lib.rs:55:1
Dec 12 03:19:49.404 INFO [stderr]    |
Dec 12 03:19:49.404 INFO [stderr] 55 | fn deserialize (s: String) -> Node
Dec 12 03:19:49.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:19:49.404 INFO [stderr] 
Dec 12 03:19:49.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 12 03:19:49.660 INFO [stderr] su: No module specific data is present
Dec 12 03:19:50.438 INFO running `"docker" "inspect" "f8030e56fd9476cd36b3aac9e9c1f9481b52a1ccb43515002daf8ef70e5e14e7"`
Dec 12 03:19:50.738 INFO running `"docker" "rm" "-f" "f8030e56fd9476cd36b3aac9e9c1f9481b52a1ccb43515002daf8ef70e5e14e7"`
Dec 12 03:19:51.090 INFO [stdout] f8030e56fd9476cd36b3aac9e9c1f9481b52a1ccb43515002daf8ef70e5e14e7