Nov 28 09:38:20.775 INFO checking alternately/hangman against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 09:38:20.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 09:38:21.225 INFO [stdout] 7b64dce0142b8b167704ac71c6a30ee7110139761cac1f2294627ae608ba3d2d
Nov 28 09:38:21.227 INFO running `"docker" "start" "-a" "7b64dce0142b8b167704ac71c6a30ee7110139761cac1f2294627ae608ba3d2d"`
Nov 28 09:38:22.585 INFO [stderr] usermod: no changes
Nov 28 09:38:22.704 INFO [stderr]     Checking hangman v0.1.0 (/source)
Nov 28 09:38:23.340 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 09:38:23.340 INFO [stderr]   --> src/main.rs:89:30
Nov 28 09:38:23.340 INFO [stderr]    |
Nov 28 09:38:23.340 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Nov 28 09:38:23.340 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 09:38:23.340 INFO [stderr]    |
Nov 28 09:38:23.340 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 09:38:23.340 INFO [stderr] 
Nov 28 09:38:23.428 INFO [stderr] warning: function is never used: `veccombine`
Nov 28 09:38:23.428 INFO [stderr]   --> src/main.rs:64:1
Nov 28 09:38:23.428 INFO [stderr]    |
Nov 28 09:38:23.428 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Nov 28 09:38:23.428 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:38:23.428 INFO [stderr]    |
Nov 28 09:38:23.428 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 09:38:23.428 INFO [stderr] 
Nov 28 09:38:23.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:38:23.428 INFO [stderr]   --> src/main.rs:50:9
Nov 28 09:38:23.428 INFO [stderr]    |
Nov 28 09:38:23.428 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Nov 28 09:38:23.428 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:38:23.428 INFO [stderr]    |
Nov 28 09:38:23.428 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 09:38:23.428 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:38:23.428 INFO [stderr] 
Nov 28 09:38:23.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:38:23.428 INFO [stderr]    --> src/main.rs:134:5
Nov 28 09:38:23.429 INFO [stderr]     |
Nov 28 09:38:23.429 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Nov 28 09:38:23.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:38:23.429 INFO [stderr]     |
Nov 28 09:38:23.429 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:38:23.429 INFO [stderr] 
Nov 28 09:38:23.460 INFO [stderr] warning: unnecessary parentheses around method argument
Nov 28 09:38:23.460 INFO [stderr]   --> src/main.rs:89:30
Nov 28 09:38:23.460 INFO [stderr]    |
Nov 28 09:38:23.460 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Nov 28 09:38:23.460 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 09:38:23.460 INFO [stderr]    |
Nov 28 09:38:23.460 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 09:38:23.460 INFO [stderr] 
Nov 28 09:38:23.540 INFO [stderr] warning: function is never used: `veccombine`
Nov 28 09:38:23.540 INFO [stderr]   --> src/main.rs:64:1
Nov 28 09:38:23.540 INFO [stderr]    |
Nov 28 09:38:23.540 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Nov 28 09:38:23.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:38:23.540 INFO [stderr]    |
Nov 28 09:38:23.540 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 09:38:23.540 INFO [stderr] 
Nov 28 09:38:23.546 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:38:23.546 INFO [stderr]   --> src/main.rs:50:9
Nov 28 09:38:23.546 INFO [stderr]    |
Nov 28 09:38:23.546 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Nov 28 09:38:23.546 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:38:23.546 INFO [stderr]    |
Nov 28 09:38:23.546 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 09:38:23.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:38:23.548 INFO [stderr] 
Nov 28 09:38:23.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:38:23.548 INFO [stderr]    --> src/main.rs:134:5
Nov 28 09:38:23.548 INFO [stderr]     |
Nov 28 09:38:23.548 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Nov 28 09:38:23.548 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:38:23.548 INFO [stderr]     |
Nov 28 09:38:23.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:38:23.548 INFO [stderr] 
Nov 28 09:38:23.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Nov 28 09:38:23.597 INFO [stderr] su: No module specific data is present
Nov 28 09:38:24.248 INFO running `"docker" "inspect" "7b64dce0142b8b167704ac71c6a30ee7110139761cac1f2294627ae608ba3d2d"`
Nov 28 09:38:24.390 INFO running `"docker" "rm" "-f" "7b64dce0142b8b167704ac71c6a30ee7110139761cac1f2294627ae608ba3d2d"`
Nov 28 09:38:24.532 INFO [stdout] 7b64dce0142b8b167704ac71c6a30ee7110139761cac1f2294627ae608ba3d2d