Dec 12 00:03:33.581 INFO checking TechnoCrunch/huffman-rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:03:33.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 00:03:33.872 INFO [stdout] 38d56f128675c02de6116a4eb91a1f13ad7e24ce7bac3ae4049a3743fd78e9c6
Dec 12 00:03:33.886 INFO running `"docker" "start" "-a" "38d56f128675c02de6116a4eb91a1f13ad7e24ce7bac3ae4049a3743fd78e9c6"`
Dec 12 00:03:34.594 INFO [stderr] usermod: no changes
Dec 12 00:03:34.633 INFO [stderr]     Checking huffman v0.1.0 (/source)
Dec 12 00:03:35.008 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 00:03:35.008 INFO [stderr]   --> src/main.rs:65:43
Dec 12 00:03:35.008 INFO [stderr]    |
Dec 12 00:03:35.008 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Dec 12 00:03:35.008 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:03:35.008 INFO [stderr]    |
Dec 12 00:03:35.008 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 00:03:35.008 INFO [stderr] 
Dec 12 00:03:35.008 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 00:03:35.008 INFO [stderr]   --> src/main.rs:68:43
Dec 12 00:03:35.008 INFO [stderr]    |
Dec 12 00:03:35.008 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Dec 12 00:03:35.008 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:03:35.008 INFO [stderr] 
Dec 12 00:03:35.116 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 00:03:35.116 INFO [stderr]   --> src/main.rs:65:43
Dec 12 00:03:35.116 INFO [stderr]    |
Dec 12 00:03:35.116 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Dec 12 00:03:35.116 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:03:35.116 INFO [stderr]    |
Dec 12 00:03:35.116 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 00:03:35.116 INFO [stderr] 
Dec 12 00:03:35.116 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 00:03:35.116 INFO [stderr]   --> src/main.rs:68:43
Dec 12 00:03:35.116 INFO [stderr]    |
Dec 12 00:03:35.116 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Dec 12 00:03:35.116 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 00:03:35.116 INFO [stderr] 
Dec 12 00:03:35.216 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 12 00:03:35.227 INFO [stderr] su: No module specific data is present
Dec 12 00:03:35.859 INFO running `"docker" "inspect" "38d56f128675c02de6116a4eb91a1f13ad7e24ce7bac3ae4049a3743fd78e9c6"`
Dec 12 00:03:36.004 INFO running `"docker" "rm" "-f" "38d56f128675c02de6116a4eb91a1f13ad7e24ce7bac3ae4049a3743fd78e9c6"`
Dec 12 00:03:36.140 INFO [stdout] 38d56f128675c02de6116a4eb91a1f13ad7e24ce7bac3ae4049a3743fd78e9c6