Dec 11 22:45:14.949 INFO checking alternately/hangman against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:45:14.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 22:45:15.436 INFO [stdout] efd3baf365afa127de3317f7c9d1a8c9952411d635bda925bd6ad45d4a002526
Dec 11 22:45:15.440 INFO running `"docker" "start" "-a" "efd3baf365afa127de3317f7c9d1a8c9952411d635bda925bd6ad45d4a002526"`
Dec 11 22:45:16.076 INFO [stderr] usermod: no changes
Dec 11 22:45:16.131 INFO [stderr]     Checking hangman v0.1.0 (/source)
Dec 11 22:45:16.676 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 11 22:45:16.676 INFO [stderr]   --> src/main.rs:89:30
Dec 11 22:45:16.676 INFO [stderr]    |
Dec 11 22:45:16.676 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 11 22:45:16.676 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 22:45:16.676 INFO [stderr]    |
Dec 11 22:45:16.676 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 22:45:16.676 INFO [stderr] 
Dec 11 22:45:16.756 INFO [stderr] warning: function is never used: `veccombine`
Dec 11 22:45:16.756 INFO [stderr]   --> src/main.rs:64:1
Dec 11 22:45:16.757 INFO [stderr]    |
Dec 11 22:45:16.757 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 11 22:45:16.757 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:45:16.757 INFO [stderr]    |
Dec 11 22:45:16.757 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:45:16.757 INFO [stderr] 
Dec 11 22:45:16.764 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 11 22:45:16.764 INFO [stderr]   --> src/main.rs:89:30
Dec 11 22:45:16.764 INFO [stderr]    |
Dec 11 22:45:16.764 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 11 22:45:16.764 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 22:45:16.764 INFO [stderr]    |
Dec 11 22:45:16.784 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 22:45:16.784 INFO [stderr] 
Dec 11 22:45:16.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:45:16.784 INFO [stderr]   --> src/main.rs:50:9
Dec 11 22:45:16.784 INFO [stderr]    |
Dec 11 22:45:16.784 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 11 22:45:16.784 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:45:16.784 INFO [stderr]    |
Dec 11 22:45:16.784 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:45:16.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:45:16.784 INFO [stderr] 
Dec 11 22:45:16.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:45:16.784 INFO [stderr]    --> src/main.rs:134:5
Dec 11 22:45:16.784 INFO [stderr]     |
Dec 11 22:45:16.784 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 11 22:45:16.784 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:45:16.784 INFO [stderr]     |
Dec 11 22:45:16.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:45:16.784 INFO [stderr] 
Dec 11 22:45:16.856 INFO [stderr] warning: function is never used: `veccombine`
Dec 11 22:45:16.856 INFO [stderr]   --> src/main.rs:64:1
Dec 11 22:45:16.856 INFO [stderr]    |
Dec 11 22:45:16.856 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 11 22:45:16.856 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:45:16.856 INFO [stderr]    |
Dec 11 22:45:16.856 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:45:16.856 INFO [stderr] 
Dec 11 22:45:16.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:45:16.860 INFO [stderr]   --> src/main.rs:50:9
Dec 11 22:45:16.860 INFO [stderr]    |
Dec 11 22:45:16.860 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 11 22:45:16.860 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:45:16.860 INFO [stderr]    |
Dec 11 22:45:16.860 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:45:16.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:45:16.860 INFO [stderr] 
Dec 11 22:45:16.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:45:16.860 INFO [stderr]    --> src/main.rs:134:5
Dec 11 22:45:16.860 INFO [stderr]     |
Dec 11 22:45:16.860 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 11 22:45:16.860 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:45:16.860 INFO [stderr]     |
Dec 11 22:45:16.860 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:45:16.860 INFO [stderr] 
Dec 11 22:45:16.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 11 22:45:16.898 INFO [stderr] su: No module specific data is present
Dec 11 22:45:17.357 INFO running `"docker" "inspect" "efd3baf365afa127de3317f7c9d1a8c9952411d635bda925bd6ad45d4a002526"`
Dec 11 22:45:17.537 INFO running `"docker" "rm" "-f" "efd3baf365afa127de3317f7c9d1a8c9952411d635bda925bd6ad45d4a002526"`
Dec 11 22:45:17.872 INFO [stdout] efd3baf365afa127de3317f7c9d1a8c9952411d635bda925bd6ad45d4a002526