Dec 14 03:08:42.316 INFO testing alternately/hangman against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 03:08:42.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 03:08:42.661 INFO [stdout] dd9b83f1574075583d3a076d63f1c33d10f87ba98c90cc22a73102f7c28c80b5
Dec 14 03:08:42.668 INFO running `"docker" "start" "-a" "dd9b83f1574075583d3a076d63f1c33d10f87ba98c90cc22a73102f7c28c80b5"`
Dec 14 03:08:43.531 INFO [stderr] usermod: no changes
Dec 14 03:08:43.623 INFO [stderr]    Compiling hangman v0.1.0 (/source)
Dec 14 03:08:44.151 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 14 03:08:44.151 INFO [stderr]   --> src/main.rs:89:30
Dec 14 03:08:44.151 INFO [stderr]    |
Dec 14 03:08:44.151 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 14 03:08:44.151 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 03:08:44.151 INFO [stderr]    |
Dec 14 03:08:44.151 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 03:08:44.151 INFO [stderr] 
Dec 14 03:08:44.283 INFO [stderr] warning: function is never used: `veccombine`
Dec 14 03:08:44.283 INFO [stderr]   --> src/main.rs:64:1
Dec 14 03:08:44.283 INFO [stderr]    |
Dec 14 03:08:44.283 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 14 03:08:44.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:08:44.283 INFO [stderr]    |
Dec 14 03:08:44.283 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 03:08:44.283 INFO [stderr] 
Dec 14 03:08:44.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 03:08:44.283 INFO [stderr]   --> src/main.rs:50:9
Dec 14 03:08:44.283 INFO [stderr]    |
Dec 14 03:08:44.283 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 14 03:08:44.283 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:08:44.283 INFO [stderr]    |
Dec 14 03:08:44.283 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 03:08:44.283 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 03:08:44.283 INFO [stderr] 
Dec 14 03:08:44.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 03:08:44.283 INFO [stderr]    --> src/main.rs:134:5
Dec 14 03:08:44.283 INFO [stderr]     |
Dec 14 03:08:44.283 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 14 03:08:44.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:08:44.283 INFO [stderr]     |
Dec 14 03:08:44.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 03:08:44.283 INFO [stderr] 
Dec 14 03:08:44.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 14 03:08:44.908 INFO [stderr] su: No module specific data is present
Dec 14 03:08:45.185 INFO running `"docker" "inspect" "dd9b83f1574075583d3a076d63f1c33d10f87ba98c90cc22a73102f7c28c80b5"`
Dec 14 03:08:45.301 INFO running `"docker" "rm" "-f" "dd9b83f1574075583d3a076d63f1c33d10f87ba98c90cc22a73102f7c28c80b5"`
Dec 14 03:08:45.449 INFO [stdout] dd9b83f1574075583d3a076d63f1c33d10f87ba98c90cc22a73102f7c28c80b5
Dec 14 03:08:45.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 03:08:45.722 INFO [stdout] ad557396433261ea40da9a08a028142acc907fd0f46bebaf615c66f4f71b154c
Dec 14 03:08:45.724 INFO running `"docker" "start" "-a" "ad557396433261ea40da9a08a028142acc907fd0f46bebaf615c66f4f71b154c"`
Dec 14 03:08:46.143 INFO [stderr] usermod: no changes
Dec 14 03:08:46.190 INFO [stderr]    Compiling hangman v0.1.0 (/source)
Dec 14 03:08:46.620 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 14 03:08:46.620 INFO [stderr]   --> src/main.rs:89:30
Dec 14 03:08:46.620 INFO [stderr]    |
Dec 14 03:08:46.620 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 14 03:08:46.620 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 03:08:46.620 INFO [stderr]    |
Dec 14 03:08:46.620 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 03:08:46.620 INFO [stderr] 
Dec 14 03:08:46.684 INFO [stderr] warning: function is never used: `veccombine`
Dec 14 03:08:46.684 INFO [stderr]   --> src/main.rs:64:1
Dec 14 03:08:46.684 INFO [stderr]    |
Dec 14 03:08:46.684 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 14 03:08:46.684 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:08:46.684 INFO [stderr]    |
Dec 14 03:08:46.684 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 03:08:46.684 INFO [stderr] 
Dec 14 03:08:46.733 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 03:08:46.733 INFO [stderr]   --> src/main.rs:50:9
Dec 14 03:08:46.733 INFO [stderr]    |
Dec 14 03:08:46.733 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 14 03:08:46.733 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:08:46.733 INFO [stderr]    |
Dec 14 03:08:46.733 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 03:08:46.733 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 03:08:46.733 INFO [stderr] 
Dec 14 03:08:46.733 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 03:08:46.733 INFO [stderr]    --> src/main.rs:134:5
Dec 14 03:08:46.733 INFO [stderr]     |
Dec 14 03:08:46.733 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 14 03:08:46.733 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:08:46.733 INFO [stderr]     |
Dec 14 03:08:46.733 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 03:08:46.733 INFO [stderr] 
Dec 14 03:08:46.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 14 03:08:46.896 INFO [stderr] su: No module specific data is present
Dec 14 03:08:47.160 INFO running `"docker" "inspect" "ad557396433261ea40da9a08a028142acc907fd0f46bebaf615c66f4f71b154c"`
Dec 14 03:08:47.261 INFO running `"docker" "rm" "-f" "ad557396433261ea40da9a08a028142acc907fd0f46bebaf615c66f4f71b154c"`
Dec 14 03:08:47.345 INFO [stdout] ad557396433261ea40da9a08a028142acc907fd0f46bebaf615c66f4f71b154c
Dec 14 03:08:47.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 03:08:47.640 INFO [stdout] a63d043ba8254de3d05d1543ebd983e04cf1b1f5a8885bd8ce928c6405a02649
Dec 14 03:08:47.645 INFO running `"docker" "start" "-a" "a63d043ba8254de3d05d1543ebd983e04cf1b1f5a8885bd8ce928c6405a02649"`
Dec 14 03:08:48.050 INFO [stderr] usermod: no changes
Dec 14 03:08:48.081 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 03:08:48.081 INFO [stderr]      Running /target/debug/deps/hangman-63f76b11fb0a4a23
Dec 14 03:08:48.083 INFO [stdout] 
Dec 14 03:08:48.083 INFO [stdout] running 0 tests
Dec 14 03:08:48.083 INFO [stdout] 
Dec 14 03:08:48.083 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 03:08:48.083 INFO [stdout] 
Dec 14 03:08:48.085 INFO [stderr] su: No module specific data is present
Dec 14 03:08:48.431 INFO running `"docker" "inspect" "a63d043ba8254de3d05d1543ebd983e04cf1b1f5a8885bd8ce928c6405a02649"`
Dec 14 03:08:48.640 INFO running `"docker" "rm" "-f" "a63d043ba8254de3d05d1543ebd983e04cf1b1f5a8885bd8ce928c6405a02649"`
Dec 14 03:08:48.729 INFO [stdout] a63d043ba8254de3d05d1543ebd983e04cf1b1f5a8885bd8ce928c6405a02649