Dec 04 23:53:14.144 INFO checking TechnoCrunch/huffman-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:53:14.144 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 04 23:53:14.541 INFO [stdout] 3d1c766da85f7d4b8f09fb132b056f42ef0e473eb4fffd7c753a8a09899e558c
Dec 04 23:53:14.543 INFO running `"docker" "start" "-a" "3d1c766da85f7d4b8f09fb132b056f42ef0e473eb4fffd7c753a8a09899e558c"`
Dec 04 23:53:16.149 INFO [stderr] usermod: no changes
Dec 04 23:53:16.191 INFO [stderr]     Checking huffman v0.1.0 (/source)
Dec 04 23:53:16.634 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 23:53:16.635 INFO [stderr]   --> src/main.rs:65:43
Dec 04 23:53:16.635 INFO [stderr]    |
Dec 04 23:53:16.635 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Dec 04 23:53:16.635 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 23:53:16.635 INFO [stderr]    |
Dec 04 23:53:16.635 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 23:53:16.635 INFO [stderr] 
Dec 04 23:53:16.635 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 23:53:16.635 INFO [stderr]   --> src/main.rs:68:43
Dec 04 23:53:16.635 INFO [stderr]    |
Dec 04 23:53:16.635 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Dec 04 23:53:16.635 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 23:53:16.635 INFO [stderr] 
Dec 04 23:53:16.709 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 23:53:16.709 INFO [stderr]   --> src/main.rs:65:43
Dec 04 23:53:16.709 INFO [stderr]    |
Dec 04 23:53:16.709 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Dec 04 23:53:16.709 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 23:53:16.709 INFO [stderr]    |
Dec 04 23:53:16.709 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 23:53:16.709 INFO [stderr] 
Dec 04 23:53:16.712 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 23:53:16.712 INFO [stderr]   --> src/main.rs:68:43
Dec 04 23:53:16.712 INFO [stderr]    |
Dec 04 23:53:16.712 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Dec 04 23:53:16.712 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 23:53:16.712 INFO [stderr] 
Dec 04 23:53:16.875 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 04 23:53:16.878 INFO [stderr] su: No module specific data is present
Dec 04 23:53:18.049 INFO running `"docker" "inspect" "3d1c766da85f7d4b8f09fb132b056f42ef0e473eb4fffd7c753a8a09899e558c"`
Dec 04 23:53:18.527 INFO running `"docker" "rm" "-f" "3d1c766da85f7d4b8f09fb132b056f42ef0e473eb4fffd7c753a8a09899e558c"`
Dec 04 23:53:18.835 INFO [stdout] 3d1c766da85f7d4b8f09fb132b056f42ef0e473eb4fffd7c753a8a09899e558c