Dec 06 07:09:24.630 INFO testing alternately/hangman against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:09:24.630 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:09:24.875 INFO [stdout] 8d80a065f3a39d9919f50b40c3b271d465e8b9596d3a57f735a1baa5221d68e0
Dec 06 07:09:24.877 INFO running `"docker" "start" "-a" "8d80a065f3a39d9919f50b40c3b271d465e8b9596d3a57f735a1baa5221d68e0"`
Dec 06 07:09:25.777 INFO [stderr] usermod: no changes
Dec 06 07:09:25.852 INFO [stderr]    Compiling hangman v0.1.0 (/source)
Dec 06 07:09:26.288 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 06 07:09:26.288 INFO [stderr]   --> src/main.rs:89:30
Dec 06 07:09:26.288 INFO [stderr]    |
Dec 06 07:09:26.288 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 06 07:09:26.288 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 07:09:26.288 INFO [stderr]    |
Dec 06 07:09:26.288 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 07:09:26.288 INFO [stderr] 
Dec 06 07:09:26.362 INFO [stderr] warning: function is never used: `veccombine`
Dec 06 07:09:26.362 INFO [stderr]   --> src/main.rs:64:1
Dec 06 07:09:26.362 INFO [stderr]    |
Dec 06 07:09:26.362 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 06 07:09:26.362 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:09:26.362 INFO [stderr]    |
Dec 06 07:09:26.362 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 07:09:26.362 INFO [stderr] 
Dec 06 07:09:26.370 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:09:26.370 INFO [stderr]   --> src/main.rs:50:9
Dec 06 07:09:26.370 INFO [stderr]    |
Dec 06 07:09:26.370 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 06 07:09:26.370 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:09:26.370 INFO [stderr]    |
Dec 06 07:09:26.370 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 07:09:26.370 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:09:26.370 INFO [stderr] 
Dec 06 07:09:26.370 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:09:26.370 INFO [stderr]    --> src/main.rs:134:5
Dec 06 07:09:26.370 INFO [stderr]     |
Dec 06 07:09:26.370 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 06 07:09:26.370 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:09:26.370 INFO [stderr]     |
Dec 06 07:09:26.371 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:09:26.371 INFO [stderr] 
Dec 06 07:09:26.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 06 07:09:26.767 INFO [stderr] su: No module specific data is present
Dec 06 07:09:27.060 INFO running `"docker" "inspect" "8d80a065f3a39d9919f50b40c3b271d465e8b9596d3a57f735a1baa5221d68e0"`
Dec 06 07:09:27.204 INFO running `"docker" "rm" "-f" "8d80a065f3a39d9919f50b40c3b271d465e8b9596d3a57f735a1baa5221d68e0"`
Dec 06 07:09:27.420 INFO [stdout] 8d80a065f3a39d9919f50b40c3b271d465e8b9596d3a57f735a1baa5221d68e0
Dec 06 07:09:27.428 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:09:27.727 INFO [stdout] 23cfc9b5d66b61fe1869fa08cc43996b42dcfbed373dfef67f120b50585cf66a
Dec 06 07:09:27.728 INFO running `"docker" "start" "-a" "23cfc9b5d66b61fe1869fa08cc43996b42dcfbed373dfef67f120b50585cf66a"`
Dec 06 07:09:28.306 INFO [stderr] usermod: no changes
Dec 06 07:09:28.347 INFO [stderr]    Compiling hangman v0.1.0 (/source)
Dec 06 07:09:28.792 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 06 07:09:28.792 INFO [stderr]   --> src/main.rs:89:30
Dec 06 07:09:28.792 INFO [stderr]    |
Dec 06 07:09:28.792 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 06 07:09:28.792 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 07:09:28.792 INFO [stderr]    |
Dec 06 07:09:28.792 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 07:09:28.792 INFO [stderr] 
Dec 06 07:09:28.852 INFO [stderr] warning: function is never used: `veccombine`
Dec 06 07:09:28.852 INFO [stderr]   --> src/main.rs:64:1
Dec 06 07:09:28.852 INFO [stderr]    |
Dec 06 07:09:28.853 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 06 07:09:28.853 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:09:28.853 INFO [stderr]    |
Dec 06 07:09:28.853 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 07:09:28.853 INFO [stderr] 
Dec 06 07:09:28.859 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:09:28.859 INFO [stderr]   --> src/main.rs:50:9
Dec 06 07:09:28.859 INFO [stderr]    |
Dec 06 07:09:28.859 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 06 07:09:28.859 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:09:28.859 INFO [stderr]    |
Dec 06 07:09:28.859 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 07:09:28.859 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:09:28.859 INFO [stderr] 
Dec 06 07:09:28.862 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:09:28.862 INFO [stderr]    --> src/main.rs:134:5
Dec 06 07:09:28.862 INFO [stderr]     |
Dec 06 07:09:28.862 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 06 07:09:28.862 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:09:28.862 INFO [stderr]     |
Dec 06 07:09:28.862 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:09:28.862 INFO [stderr] 
Dec 06 07:09:29.099 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 06 07:09:29.111 INFO [stderr] su: No module specific data is present
Dec 06 07:09:29.370 INFO running `"docker" "inspect" "23cfc9b5d66b61fe1869fa08cc43996b42dcfbed373dfef67f120b50585cf66a"`
Dec 06 07:09:29.464 INFO running `"docker" "rm" "-f" "23cfc9b5d66b61fe1869fa08cc43996b42dcfbed373dfef67f120b50585cf66a"`
Dec 06 07:09:29.555 INFO [stdout] 23cfc9b5d66b61fe1869fa08cc43996b42dcfbed373dfef67f120b50585cf66a
Dec 06 07:09:29.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:09:29.721 INFO [stdout] ff24a47ec849f93a18ebea348ba2c788108d910df951b1e533178e6d77e82276
Dec 06 07:09:29.725 INFO running `"docker" "start" "-a" "ff24a47ec849f93a18ebea348ba2c788108d910df951b1e533178e6d77e82276"`
Dec 06 07:09:30.045 INFO [stderr] usermod: no changes
Dec 06 07:09:30.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 07:09:30.087 INFO [stderr]      Running /target/debug/deps/hangman-c22852fc2c11c6df
Dec 06 07:09:30.088 INFO [stdout] 
Dec 06 07:09:30.088 INFO [stdout] running 0 tests
Dec 06 07:09:30.088 INFO [stdout] 
Dec 06 07:09:30.088 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:09:30.088 INFO [stdout] 
Dec 06 07:09:30.090 INFO [stderr] su: No module specific data is present
Dec 06 07:09:30.406 INFO running `"docker" "inspect" "ff24a47ec849f93a18ebea348ba2c788108d910df951b1e533178e6d77e82276"`
Dec 06 07:09:30.498 INFO running `"docker" "rm" "-f" "ff24a47ec849f93a18ebea348ba2c788108d910df951b1e533178e6d77e82276"`
Dec 06 07:09:30.591 INFO [stdout] ff24a47ec849f93a18ebea348ba2c788108d910df951b1e533178e6d77e82276