Nov 17 11:30:14.640 INFO testing TechnoCrunch/huffman-rs against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 11:30:14.640 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:30:14.892 INFO [stdout] 38bbc511bb4d9593d0cb5847ef8e508710b5a31c50c097096b9051d3830d1009
Nov 17 11:30:14.897 INFO running `"docker" "start" "-a" "38bbc511bb4d9593d0cb5847ef8e508710b5a31c50c097096b9051d3830d1009"`
Nov 17 11:30:15.420 INFO [stderr] usermod: no changes
Nov 17 11:30:15.459 INFO [stderr]    Compiling huffman v0.1.0 (/source)
Nov 17 11:30:15.795 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 17 11:30:15.795 INFO [stderr]   --> src/main.rs:65:43
Nov 17 11:30:15.795 INFO [stderr]    |
Nov 17 11:30:15.795 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Nov 17 11:30:15.795 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 11:30:15.795 INFO [stderr]    |
Nov 17 11:30:15.795 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 11:30:15.795 INFO [stderr] 
Nov 17 11:30:15.795 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 17 11:30:15.795 INFO [stderr]   --> src/main.rs:68:43
Nov 17 11:30:15.795 INFO [stderr]    |
Nov 17 11:30:15.795 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Nov 17 11:30:15.795 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 11:30:15.795 INFO [stderr] 
Nov 17 11:30:16.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Nov 17 11:30:16.689 INFO [stderr] su: No module specific data is present
Nov 17 11:30:16.952 INFO running `"docker" "inspect" "38bbc511bb4d9593d0cb5847ef8e508710b5a31c50c097096b9051d3830d1009"`
Nov 17 11:30:17.084 INFO running `"docker" "rm" "-f" "38bbc511bb4d9593d0cb5847ef8e508710b5a31c50c097096b9051d3830d1009"`
Nov 17 11:30:17.216 INFO [stdout] 38bbc511bb4d9593d0cb5847ef8e508710b5a31c50c097096b9051d3830d1009
Nov 17 11:30:17.218 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:30:17.399 INFO [stdout] ba2ee2d4ef9cef5ceb0ed8511f359bf7e5c9d8f505304d4d65e1773bb86d4913
Nov 17 11:30:17.406 INFO running `"docker" "start" "-a" "ba2ee2d4ef9cef5ceb0ed8511f359bf7e5c9d8f505304d4d65e1773bb86d4913"`
Nov 17 11:30:18.064 INFO [stderr] usermod: no changes
Nov 17 11:30:18.095 INFO [stderr]    Compiling huffman v0.1.0 (/source)
Nov 17 11:30:18.435 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 17 11:30:18.435 INFO [stderr]   --> src/main.rs:65:43
Nov 17 11:30:18.435 INFO [stderr]    |
Nov 17 11:30:18.435 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Nov 17 11:30:18.435 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 11:30:18.435 INFO [stderr]    |
Nov 17 11:30:18.435 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 11:30:18.435 INFO [stderr] 
Nov 17 11:30:18.435 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 17 11:30:18.435 INFO [stderr]   --> src/main.rs:68:43
Nov 17 11:30:18.435 INFO [stderr]    |
Nov 17 11:30:18.435 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Nov 17 11:30:18.435 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 11:30:18.435 INFO [stderr] 
Nov 17 11:30:18.711 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 17 11:30:18.719 INFO [stderr] su: No module specific data is present
Nov 17 11:30:19.000 INFO running `"docker" "inspect" "ba2ee2d4ef9cef5ceb0ed8511f359bf7e5c9d8f505304d4d65e1773bb86d4913"`
Nov 17 11:30:19.095 INFO running `"docker" "rm" "-f" "ba2ee2d4ef9cef5ceb0ed8511f359bf7e5c9d8f505304d4d65e1773bb86d4913"`
Nov 17 11:30:19.183 INFO [stdout] ba2ee2d4ef9cef5ceb0ed8511f359bf7e5c9d8f505304d4d65e1773bb86d4913
Nov 17 11:30:19.185 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:30:19.323 INFO [stdout] 62b2f75a76a47e75ba8abee67d595aea529d67aeaf2646a5677dbf7d8079729a
Nov 17 11:30:19.326 INFO running `"docker" "start" "-a" "62b2f75a76a47e75ba8abee67d595aea529d67aeaf2646a5677dbf7d8079729a"`
Nov 17 11:30:19.807 INFO [stderr] usermod: no changes
Nov 17 11:30:19.830 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 11:30:19.838 INFO [stderr]      Running /target/debug/deps/huffman-6881d01b6b5390b0
Nov 17 11:30:19.839 INFO [stdout] 
Nov 17 11:30:19.840 INFO [stdout] running 0 tests
Nov 17 11:30:19.840 INFO [stdout] 
Nov 17 11:30:19.840 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 11:30:19.840 INFO [stdout] 
Nov 17 11:30:19.844 INFO [stderr] su: No module specific data is present
Nov 17 11:30:20.187 INFO running `"docker" "inspect" "62b2f75a76a47e75ba8abee67d595aea529d67aeaf2646a5677dbf7d8079729a"`
Nov 17 11:30:20.256 INFO running `"docker" "rm" "-f" "62b2f75a76a47e75ba8abee67d595aea529d67aeaf2646a5677dbf7d8079729a"`
Nov 17 11:30:20.352 INFO [stdout] 62b2f75a76a47e75ba8abee67d595aea529d67aeaf2646a5677dbf7d8079729a