Dec 13 10:05:30.448 INFO testing mpdrescher/huffman-compression against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 10:05:30.448 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 10:05:30.899 INFO [stdout] 0c6ed7fbcb0288074f98cb3bb8c94f98d0d0b851110530611f7059f938026260
Dec 13 10:05:30.899 INFO running `"docker" "start" "-a" "0c6ed7fbcb0288074f98cb3bb8c94f98d0d0b851110530611f7059f938026260"`
Dec 13 10:05:32.026 INFO [stderr] usermod: no changes
Dec 13 10:05:32.099 INFO [stderr]    Compiling huffman v0.1.0 (/source)
Dec 13 10:05:32.681 INFO [stderr] warning: value assigned to `cur_byte` is never read
Dec 13 10:05:32.681 INFO [stderr]    --> src/huffmantree.rs:188:11
Dec 13 10:05:32.687 INFO [stderr]     |
Dec 13 10:05:32.687 INFO [stderr] 188 |         let mut cur_byte: u8 = 4;
Dec 13 10:05:32.687 INFO [stderr]     |                 ^^^^^^^^
Dec 13 10:05:32.687 INFO [stderr]     |
Dec 13 10:05:32.687 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 13 10:05:32.687 INFO [stderr] 
Dec 13 10:05:34.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
Dec 13 10:05:34.359 INFO [stderr] su: No module specific data is present
Dec 13 10:05:35.377 INFO running `"docker" "inspect" "0c6ed7fbcb0288074f98cb3bb8c94f98d0d0b851110530611f7059f938026260"`
Dec 13 10:05:35.764 INFO running `"docker" "rm" "-f" "0c6ed7fbcb0288074f98cb3bb8c94f98d0d0b851110530611f7059f938026260"`
Dec 13 10:05:36.059 INFO [stdout] 0c6ed7fbcb0288074f98cb3bb8c94f98d0d0b851110530611f7059f938026260
Dec 13 10:05:36.063 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 10:05:36.513 INFO [stdout] 9cffbcdc1ceba945b61f9c291b72cfbf32ff41eb998102271e0bb1fd13fe1b93
Dec 13 10:05:36.515 INFO running `"docker" "start" "-a" "9cffbcdc1ceba945b61f9c291b72cfbf32ff41eb998102271e0bb1fd13fe1b93"`
Dec 13 10:05:38.550 INFO [stderr] usermod: no changes
Dec 13 10:05:38.623 INFO [stderr]    Compiling huffman v0.1.0 (/source)
Dec 13 10:05:39.147 INFO [stderr] warning: value assigned to `cur_byte` is never read
Dec 13 10:05:39.147 INFO [stderr]    --> src/huffmantree.rs:188:11
Dec 13 10:05:39.147 INFO [stderr]     |
Dec 13 10:05:39.147 INFO [stderr] 188 |         let mut cur_byte: u8 = 4;
Dec 13 10:05:39.147 INFO [stderr]     |                 ^^^^^^^^
Dec 13 10:05:39.147 INFO [stderr]     |
Dec 13 10:05:39.147 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 13 10:05:39.147 INFO [stderr] 
Dec 13 10:05:39.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Dec 13 10:05:39.744 INFO [stderr] su: No module specific data is present
Dec 13 10:05:41.061 INFO running `"docker" "inspect" "9cffbcdc1ceba945b61f9c291b72cfbf32ff41eb998102271e0bb1fd13fe1b93"`
Dec 13 10:05:41.416 INFO running `"docker" "rm" "-f" "9cffbcdc1ceba945b61f9c291b72cfbf32ff41eb998102271e0bb1fd13fe1b93"`
Dec 13 10:05:41.699 INFO [stdout] 9cffbcdc1ceba945b61f9c291b72cfbf32ff41eb998102271e0bb1fd13fe1b93
Dec 13 10:05:41.701 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 10:05:42.320 INFO [stdout] 9aa05c69eb58cf16daf68ffe7665bb78e6a07133b0737ce8796c89b5f063c7a2
Dec 13 10:05:42.322 INFO running `"docker" "start" "-a" "9aa05c69eb58cf16daf68ffe7665bb78e6a07133b0737ce8796c89b5f063c7a2"`
Dec 13 10:05:44.384 INFO [stderr] usermod: no changes
Dec 13 10:05:44.439 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 10:05:44.439 INFO [stderr]      Running /target/debug/deps/huffman-f9833a4e585211e6
Dec 13 10:05:44.439 INFO [stderr] su: No module specific data is present
Dec 13 10:05:44.439 INFO [stdout] 
Dec 13 10:05:44.439 INFO [stdout] running 0 tests
Dec 13 10:05:44.439 INFO [stdout] 
Dec 13 10:05:44.439 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 10:05:44.439 INFO [stdout] 
Dec 13 10:05:45.486 INFO running `"docker" "inspect" "9aa05c69eb58cf16daf68ffe7665bb78e6a07133b0737ce8796c89b5f063c7a2"`
Dec 13 10:05:45.827 INFO running `"docker" "rm" "-f" "9aa05c69eb58cf16daf68ffe7665bb78e6a07133b0737ce8796c89b5f063c7a2"`
Dec 13 10:05:46.115 INFO [stdout] 9aa05c69eb58cf16daf68ffe7665bb78e6a07133b0737ce8796c89b5f063c7a2