Dec 19 12:23:39.297 INFO checking mpdrescher/huffman-compression against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:23:39.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mpdrescher/huffman-compression:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:23:39.798 INFO [stdout] 1e20e98ab910b74d39bef7b61022e20937b65c2d913920ba51f35a3a334aac23
Dec 19 12:23:39.804 INFO running `"docker" "start" "-a" "1e20e98ab910b74d39bef7b61022e20937b65c2d913920ba51f35a3a334aac23"`
Dec 19 12:23:41.367 INFO [stderr]     Checking huffman v0.1.0 (/opt/crater/workdir)
Dec 19 12:23:41.984 INFO [stderr] warning: value assigned to `cur_byte` is never read
Dec 19 12:23:41.984 INFO [stderr]    --> src/huffmantree.rs:188:11
Dec 19 12:23:41.984 INFO [stderr]     |
Dec 19 12:23:41.984 INFO [stderr] 188 |         let mut cur_byte: u8 = 4;
Dec 19 12:23:41.984 INFO [stderr]     |                 ^^^^^^^^
Dec 19 12:23:41.984 INFO [stderr]     |
Dec 19 12:23:41.984 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 12:23:41.984 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:23:41.984 INFO [stderr] 
Dec 19 12:23:42.068 INFO [stderr] warning: value assigned to `cur_byte` is never read
Dec 19 12:23:42.068 INFO [stderr]    --> src/huffmantree.rs:188:11
Dec 19 12:23:42.068 INFO [stderr]     |
Dec 19 12:23:42.068 INFO [stderr] 188 |         let mut cur_byte: u8 = 4;
Dec 19 12:23:42.068 INFO [stderr]     |                 ^^^^^^^^
Dec 19 12:23:42.068 INFO [stderr]     |
Dec 19 12:23:42.068 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 12:23:42.068 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:23:42.068 INFO [stderr] 
Dec 19 12:23:42.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 19 12:23:43.226 INFO running `"docker" "inspect" "1e20e98ab910b74d39bef7b61022e20937b65c2d913920ba51f35a3a334aac23"`
Dec 19 12:23:43.474 INFO running `"docker" "rm" "-f" "1e20e98ab910b74d39bef7b61022e20937b65c2d913920ba51f35a3a334aac23"`
Dec 19 12:23:43.852 INFO [stdout] 1e20e98ab910b74d39bef7b61022e20937b65c2d913920ba51f35a3a334aac23