Dec 12 01:43:53.609 INFO checking Litecrafty/Hexeract against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:43:53.609 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 01:43:53.757 INFO [stdout] 5315deffb22954cb6b69ae10b4ced2dd8d1cc58c672a1eb9bcbccd5b3b127cb6
Dec 12 01:43:53.759 INFO running `"docker" "start" "-a" "5315deffb22954cb6b69ae10b4ced2dd8d1cc58c672a1eb9bcbccd5b3b127cb6"`
Dec 12 01:43:54.120 INFO [stderr] usermod: no changes
Dec 12 01:43:54.156 INFO [stderr]     Checking hexeract v0.1.0 (/source)
Dec 12 01:43:54.654 INFO [stderr] warning: enum is never used: `Biome`
Dec 12 01:43:54.654 INFO [stderr]   --> src/core/biome.rs:18:1
Dec 12 01:43:54.654 INFO [stderr]    |
Dec 12 01:43:54.654 INFO [stderr] 18 | pub enum Biome {
Dec 12 01:43:54.654 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 12 01:43:54.654 INFO [stderr]    |
Dec 12 01:43:54.654 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:43:54.654 INFO [stderr] 
Dec 12 01:43:54.654 INFO [stderr] warning: method is never used: `id`
Dec 12 01:43:54.654 INFO [stderr]   --> src/core/biome.rs:97:5
Dec 12 01:43:54.654 INFO [stderr]    |
Dec 12 01:43:54.654 INFO [stderr] 97 |     pub fn id(&self) -> u8 {
Dec 12 01:43:54.654 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:43:54.654 INFO [stderr] 
Dec 12 01:43:54.654 INFO [stderr] warning: struct is never constructed: `Chunk`
Dec 12 01:43:54.654 INFO [stderr]   --> src/core/chunk.rs:18:1
Dec 12 01:43:54.654 INFO [stderr]    |
Dec 12 01:43:54.654 INFO [stderr] 18 | pub struct Chunk {
Dec 12 01:43:54.654 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 12 01:43:54.654 INFO [stderr] 
Dec 12 01:43:54.713 INFO [stderr] warning: enum is never used: `Biome`
Dec 12 01:43:54.713 INFO [stderr]   --> src/core/biome.rs:18:1
Dec 12 01:43:54.713 INFO [stderr]    |
Dec 12 01:43:54.713 INFO [stderr] 18 | pub enum Biome {
Dec 12 01:43:54.713 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 12 01:43:54.713 INFO [stderr]    |
Dec 12 01:43:54.713 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:43:54.713 INFO [stderr] 
Dec 12 01:43:54.713 INFO [stderr] warning: method is never used: `id`
Dec 12 01:43:54.713 INFO [stderr]   --> src/core/biome.rs:97:5
Dec 12 01:43:54.713 INFO [stderr]    |
Dec 12 01:43:54.713 INFO [stderr] 97 |     pub fn id(&self) -> u8 {
Dec 12 01:43:54.713 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:43:54.713 INFO [stderr] 
Dec 12 01:43:54.713 INFO [stderr] warning: struct is never constructed: `Chunk`
Dec 12 01:43:54.713 INFO [stderr]   --> src/core/chunk.rs:18:1
Dec 12 01:43:54.713 INFO [stderr]    |
Dec 12 01:43:54.713 INFO [stderr] 18 | pub struct Chunk {
Dec 12 01:43:54.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 12 01:43:54.713 INFO [stderr] 
Dec 12 01:43:54.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 12 01:43:54.726 INFO [stderr] su: No module specific data is present
Dec 12 01:43:55.070 INFO running `"docker" "inspect" "5315deffb22954cb6b69ae10b4ced2dd8d1cc58c672a1eb9bcbccd5b3b127cb6"`
Dec 12 01:43:55.177 INFO running `"docker" "rm" "-f" "5315deffb22954cb6b69ae10b4ced2dd8d1cc58c672a1eb9bcbccd5b3b127cb6"`
Dec 12 01:43:55.269 INFO [stdout] 5315deffb22954cb6b69ae10b4ced2dd8d1cc58c672a1eb9bcbccd5b3b127cb6