Dec 05 12:16:31.949 INFO checking hamt-sync-0.2.5 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 12:16:31.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12:16:32.467 INFO [stdout] 76874312b6dd6192802b36630777a03cfa4bf8a76480703540323b9b2836c51b
Dec 05 12:16:32.469 INFO running `"docker" "start" "-a" "76874312b6dd6192802b36630777a03cfa4bf8a76480703540323b9b2836c51b"`
Dec 05 12:16:34.493 INFO [stderr] usermod: no changes
Dec 05 12:16:34.567 INFO [stderr]     Checking hamt-sync v0.2.5 (/source)
Dec 05 12:16:35.879 INFO [stderr] warning: constant item is never used: `NUM_BITS`
Dec 05 12:16:35.879 INFO [stderr]  --> src/bitmap.rs:3:1
Dec 05 12:16:35.879 INFO [stderr]   |
Dec 05 12:16:35.880 INFO [stderr] 3 | const NUM_BITS: usize = size_of::<Content>() * 8;
Dec 05 12:16:35.880 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:35.880 INFO [stderr]   |
Dec 05 12:16:35.880 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 12:16:35.880 INFO [stderr] 
Dec 05 12:16:35.881 INFO [stderr] warning: method is never used: `new`
Dec 05 12:16:35.881 INFO [stderr]   --> src/bitmap.rs:11:5
Dec 05 12:16:35.881 INFO [stderr]    |
Dec 05 12:16:35.882 INFO [stderr] 11 |     pub fn new() -> Self {
Dec 05 12:16:35.882 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:35.882 INFO [stderr] 
Dec 05 12:16:35.882 INFO [stderr] warning: method is never used: `get`
Dec 05 12:16:35.883 INFO [stderr]   --> src/bitmap.rs:15:5
Dec 05 12:16:35.883 INFO [stderr]    |
Dec 05 12:16:35.883 INFO [stderr] 15 |     pub fn get(&self, i: u8) -> bool {
Dec 05 12:16:35.883 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:35.883 INFO [stderr] 
Dec 05 12:16:35.884 INFO [stderr] warning: method is never used: `set`
Dec 05 12:16:35.884 INFO [stderr]   --> src/bitmap.rs:19:5
Dec 05 12:16:35.884 INFO [stderr]    |
Dec 05 12:16:35.884 INFO [stderr] 19 |     pub fn set(&self, i: u8) -> Self {
Dec 05 12:16:35.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:35.885 INFO [stderr] 
Dec 05 12:16:35.885 INFO [stderr] warning: method is never used: `unset`
Dec 05 12:16:35.885 INFO [stderr]   --> src/bitmap.rs:23:5
Dec 05 12:16:35.886 INFO [stderr]    |
Dec 05 12:16:35.886 INFO [stderr] 23 |     pub fn unset(&self, i: u8) -> Self {
Dec 05 12:16:35.886 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:35.886 INFO [stderr] 
Dec 05 12:16:35.886 INFO [stderr] warning: method is never used: `size`
Dec 05 12:16:35.886 INFO [stderr]   --> src/bitmap.rs:27:5
Dec 05 12:16:35.886 INFO [stderr]    |
Dec 05 12:16:35.886 INFO [stderr] 27 |     pub fn size(&self) -> u8 {
Dec 05 12:16:35.886 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:35.887 INFO [stderr] 
Dec 05 12:16:36.882 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Dec 05 12:16:36.885 INFO [stderr] su: No module specific data is present
Dec 05 12:16:37.984 INFO running `"docker" "inspect" "76874312b6dd6192802b36630777a03cfa4bf8a76480703540323b9b2836c51b"`
Dec 05 12:16:38.340 INFO running `"docker" "rm" "-f" "76874312b6dd6192802b36630777a03cfa4bf8a76480703540323b9b2836c51b"`
Dec 05 12:16:38.739 INFO [stdout] 76874312b6dd6192802b36630777a03cfa4bf8a76480703540323b9b2836c51b