Dec 11 13:18:43.028 INFO checking mpdrescher/huffman-compression against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:18:43.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11 13:18:43.428 INFO [stdout] 324447748f84230648af73b7be71dec50179ea92c0f3e122bc02cbe0ac19a7c8
Dec 11 13:18:43.430 INFO running `"docker" "start" "-a" "324447748f84230648af73b7be71dec50179ea92c0f3e122bc02cbe0ac19a7c8"`
Dec 11 13:18:45.529 INFO [stderr] usermod: no changes
Dec 11 13:18:45.592 INFO [stderr]     Checking huffman v0.1.0 (/source)
Dec 11 13:18:46.348 INFO [stderr] warning: value assigned to `cur_byte` is never read
Dec 11 13:18:46.348 INFO [stderr]    --> src/huffmantree.rs:188:11
Dec 11 13:18:46.348 INFO [stderr]     |
Dec 11 13:18:46.348 INFO [stderr] 188 |         let mut cur_byte: u8 = 4;
Dec 11 13:18:46.348 INFO [stderr]     |                 ^^^^^^^^
Dec 11 13:18:46.348 INFO [stderr]     |
Dec 11 13:18:46.348 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 11 13:18:46.348 INFO [stderr] 
Dec 11 13:18:46.516 INFO [stderr] warning: value assigned to `cur_byte` is never read
Dec 11 13:18:46.516 INFO [stderr]    --> src/huffmantree.rs:188:11
Dec 11 13:18:46.516 INFO [stderr]     |
Dec 11 13:18:46.516 INFO [stderr] 188 |         let mut cur_byte: u8 = 4;
Dec 11 13:18:46.516 INFO [stderr]     |                 ^^^^^^^^
Dec 11 13:18:46.516 INFO [stderr]     |
Dec 11 13:18:46.516 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 11 13:18:46.516 INFO [stderr] 
Dec 11 13:18:46.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 11 13:18:46.640 INFO [stderr] su: No module specific data is present
Dec 11 13:18:48.214 INFO running `"docker" "inspect" "324447748f84230648af73b7be71dec50179ea92c0f3e122bc02cbe0ac19a7c8"`
Dec 11 13:18:48.634 INFO running `"docker" "rm" "-f" "324447748f84230648af73b7be71dec50179ea92c0f3e122bc02cbe0ac19a7c8"`
Dec 11 13:18:48.980 INFO [stdout] 324447748f84230648af73b7be71dec50179ea92c0f3e122bc02cbe0ac19a7c8