Dec 06 09:18:34.720 INFO testing TechnoCrunch/huffman-rs against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 09:18:34.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 09:18:35.023 INFO [stdout] c719886ebb8b9203a28e09f95245dbdbb22a15e0a6253b6699ba9e320d7742f4
Dec 06 09:18:35.025 INFO running `"docker" "start" "-a" "c719886ebb8b9203a28e09f95245dbdbb22a15e0a6253b6699ba9e320d7742f4"`
Dec 06 09:18:35.400 INFO [stderr] usermod: no changes
Dec 06 09:18:35.428 INFO [stderr]    Compiling huffman v0.1.0 (/source)
Dec 06 09:18:35.752 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 09:18:35.752 INFO [stderr]   --> src/main.rs:65:43
Dec 06 09:18:35.752 INFO [stderr]    |
Dec 06 09:18:35.752 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Dec 06 09:18:35.752 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 09:18:35.752 INFO [stderr]    |
Dec 06 09:18:35.752 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 09:18:35.752 INFO [stderr] 
Dec 06 09:18:35.752 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 09:18:35.752 INFO [stderr]   --> src/main.rs:68:43
Dec 06 09:18:35.752 INFO [stderr]    |
Dec 06 09:18:35.752 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Dec 06 09:18:35.752 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 09:18:35.752 INFO [stderr] 
Dec 06 09:18:36.350 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 06 09:18:36.353 INFO [stderr] su: No module specific data is present
Dec 06 09:18:36.739 INFO running `"docker" "inspect" "c719886ebb8b9203a28e09f95245dbdbb22a15e0a6253b6699ba9e320d7742f4"`
Dec 06 09:18:36.794 INFO running `"docker" "rm" "-f" "c719886ebb8b9203a28e09f95245dbdbb22a15e0a6253b6699ba9e320d7742f4"`
Dec 06 09:18:36.877 INFO [stdout] c719886ebb8b9203a28e09f95245dbdbb22a15e0a6253b6699ba9e320d7742f4
Dec 06 09:18:36.879 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 09:18:37.055 INFO [stdout] 3326a53950e3bd50a4ced6bc7c1eb47355703899df8dbffba631fc33094e2fbe
Dec 06 09:18:37.058 INFO running `"docker" "start" "-a" "3326a53950e3bd50a4ced6bc7c1eb47355703899df8dbffba631fc33094e2fbe"`
Dec 06 09:18:37.604 INFO [stderr] usermod: no changes
Dec 06 09:18:37.640 INFO [stderr]    Compiling huffman v0.1.0 (/source)
Dec 06 09:18:38.018 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 09:18:38.018 INFO [stderr]   --> src/main.rs:65:43
Dec 06 09:18:38.018 INFO [stderr]    |
Dec 06 09:18:38.018 INFO [stderr] 65 |             generate_code(l, huffman_map, (s.clone() + "0"));
Dec 06 09:18:38.018 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 09:18:38.018 INFO [stderr]    |
Dec 06 09:18:38.018 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 09:18:38.018 INFO [stderr] 
Dec 06 09:18:38.018 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 09:18:38.018 INFO [stderr]   --> src/main.rs:68:43
Dec 06 09:18:38.018 INFO [stderr]    |
Dec 06 09:18:38.018 INFO [stderr] 68 |             generate_code(r, huffman_map, (s.clone() + "1"));
Dec 06 09:18:38.018 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 09:18:38.018 INFO [stderr] 
Dec 06 09:18:38.341 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 06 09:18:38.342 INFO [stderr] su: No module specific data is present
Dec 06 09:18:38.573 INFO running `"docker" "inspect" "3326a53950e3bd50a4ced6bc7c1eb47355703899df8dbffba631fc33094e2fbe"`
Dec 06 09:18:38.642 INFO running `"docker" "rm" "-f" "3326a53950e3bd50a4ced6bc7c1eb47355703899df8dbffba631fc33094e2fbe"`
Dec 06 09:18:38.731 INFO [stdout] 3326a53950e3bd50a4ced6bc7c1eb47355703899df8dbffba631fc33094e2fbe
Dec 06 09:18:38.732 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 09:18:38.939 INFO [stdout] 52fc1849b65f14db42e1a46b8c8d2522e9fd6c2ffd271ee6fd4a24b21b36625e
Dec 06 09:18:38.942 INFO running `"docker" "start" "-a" "52fc1849b65f14db42e1a46b8c8d2522e9fd6c2ffd271ee6fd4a24b21b36625e"`
Dec 06 09:18:39.320 INFO [stderr] usermod: no changes
Dec 06 09:18:39.350 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 09:18:39.350 INFO [stderr]      Running /target/debug/deps/huffman-6e1fd5e7d320abd4
Dec 06 09:18:39.352 INFO [stdout] 
Dec 06 09:18:39.352 INFO [stdout] running 0 tests
Dec 06 09:18:39.352 INFO [stdout] 
Dec 06 09:18:39.352 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:18:39.352 INFO [stdout] 
Dec 06 09:18:39.353 INFO [stderr] su: No module specific data is present
Dec 06 09:18:39.811 INFO running `"docker" "inspect" "52fc1849b65f14db42e1a46b8c8d2522e9fd6c2ffd271ee6fd4a24b21b36625e"`
Dec 06 09:18:39.872 INFO running `"docker" "rm" "-f" "52fc1849b65f14db42e1a46b8c8d2522e9fd6c2ffd271ee6fd4a24b21b36625e"`
Dec 06 09:18:39.943 INFO [stdout] 52fc1849b65f14db42e1a46b8c8d2522e9fd6c2ffd271ee6fd4a24b21b36625e