Dec 05 12:16:38.808 INFO checking hamt-sync-0.2.5 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:16:38.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 12:16:39.304 INFO [stdout] 3fd9e938f2124dc34acfa05d31a161c1c8b977acc43a708ac9481c7dd1b57355
Dec 05 12:16:39.306 INFO running `"docker" "start" "-a" "3fd9e938f2124dc34acfa05d31a161c1c8b977acc43a708ac9481c7dd1b57355"`
Dec 05 12:16:41.511 INFO [stderr] usermod: no changes
Dec 05 12:16:41.599 INFO [stderr]     Checking hamt-sync v0.2.5 (/source)
Dec 05 12:16:42.975 INFO [stderr] warning: constant item is never used: `NUM_BITS`
Dec 05 12:16:42.975 INFO [stderr]  --> src/bitmap.rs:3:1
Dec 05 12:16:42.975 INFO [stderr]   |
Dec 05 12:16:42.975 INFO [stderr] 3 | const NUM_BITS: usize = size_of::<Content>() * 8;
Dec 05 12:16:42.975 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:42.975 INFO [stderr]   |
Dec 05 12:16:42.975 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 12:16:42.975 INFO [stderr] 
Dec 05 12:16:42.975 INFO [stderr] warning: method is never used: `new`
Dec 05 12:16:42.975 INFO [stderr]   --> src/bitmap.rs:11:5
Dec 05 12:16:42.975 INFO [stderr]    |
Dec 05 12:16:42.975 INFO [stderr] 11 |     pub fn new() -> Self {
Dec 05 12:16:42.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:42.975 INFO [stderr] 
Dec 05 12:16:42.975 INFO [stderr] warning: method is never used: `get`
Dec 05 12:16:42.975 INFO [stderr]   --> src/bitmap.rs:15:5
Dec 05 12:16:42.975 INFO [stderr]    |
Dec 05 12:16:42.975 INFO [stderr] 15 |     pub fn get(&self, i: u8) -> bool {
Dec 05 12:16:42.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:42.975 INFO [stderr] 
Dec 05 12:16:42.975 INFO [stderr] warning: method is never used: `set`
Dec 05 12:16:42.975 INFO [stderr]   --> src/bitmap.rs:19:5
Dec 05 12:16:42.975 INFO [stderr]    |
Dec 05 12:16:42.975 INFO [stderr] 19 |     pub fn set(&self, i: u8) -> Self {
Dec 05 12:16:42.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:42.975 INFO [stderr] 
Dec 05 12:16:42.975 INFO [stderr] warning: method is never used: `unset`
Dec 05 12:16:42.975 INFO [stderr]   --> src/bitmap.rs:23:5
Dec 05 12:16:42.975 INFO [stderr]    |
Dec 05 12:16:42.975 INFO [stderr] 23 |     pub fn unset(&self, i: u8) -> Self {
Dec 05 12:16:42.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:42.975 INFO [stderr] 
Dec 05 12:16:42.975 INFO [stderr] warning: method is never used: `size`
Dec 05 12:16:42.975 INFO [stderr]   --> src/bitmap.rs:27:5
Dec 05 12:16:42.975 INFO [stderr]    |
Dec 05 12:16:42.975 INFO [stderr] 27 |     pub fn size(&self) -> u8 {
Dec 05 12:16:42.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:16:42.975 INFO [stderr] 
Dec 05 12:16:43.751 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Dec 05 12:16:43.751 INFO [stderr] su: No module specific data is present
Dec 05 12:16:44.820 INFO running `"docker" "inspect" "3fd9e938f2124dc34acfa05d31a161c1c8b977acc43a708ac9481c7dd1b57355"`
Dec 05 12:16:45.109 INFO running `"docker" "rm" "-f" "3fd9e938f2124dc34acfa05d31a161c1c8b977acc43a708ac9481c7dd1b57355"`
Dec 05 12:16:45.500 INFO [stdout] 3fd9e938f2124dc34acfa05d31a161c1c8b977acc43a708ac9481c7dd1b57355