Dec 04 22:44:54.413 INFO checking alternately/hangman against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:44:54.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 22:44:54.675 INFO [stdout] 163a0420535f2e24f5bf4a29e97cea07babb7e3da3b9705ab481b53de81d575b
Dec 04 22:44:54.680 INFO running `"docker" "start" "-a" "163a0420535f2e24f5bf4a29e97cea07babb7e3da3b9705ab481b53de81d575b"`
Dec 04 22:44:55.615 INFO [stderr] usermod: no changes
Dec 04 22:44:55.663 INFO [stderr]     Checking hangman v0.1.0 (/source)
Dec 04 22:44:56.071 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 04 22:44:56.071 INFO [stderr]   --> src/main.rs:89:30
Dec 04 22:44:56.071 INFO [stderr]    |
Dec 04 22:44:56.071 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 04 22:44:56.071 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 22:44:56.071 INFO [stderr]    |
Dec 04 22:44:56.071 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 22:44:56.071 INFO [stderr] 
Dec 04 22:44:56.164 INFO [stderr] warning: function is never used: `veccombine`
Dec 04 22:44:56.164 INFO [stderr]   --> src/main.rs:64:1
Dec 04 22:44:56.164 INFO [stderr]    |
Dec 04 22:44:56.164 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 04 22:44:56.164 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:44:56.164 INFO [stderr]    |
Dec 04 22:44:56.164 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:44:56.164 INFO [stderr] 
Dec 04 22:44:56.175 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:44:56.175 INFO [stderr]   --> src/main.rs:50:9
Dec 04 22:44:56.175 INFO [stderr]    |
Dec 04 22:44:56.175 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 04 22:44:56.175 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:44:56.175 INFO [stderr]    |
Dec 04 22:44:56.175 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:44:56.175 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:44:56.175 INFO [stderr] 
Dec 04 22:44:56.175 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:44:56.175 INFO [stderr]    --> src/main.rs:134:5
Dec 04 22:44:56.175 INFO [stderr]     |
Dec 04 22:44:56.175 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 04 22:44:56.175 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:44:56.175 INFO [stderr]     |
Dec 04 22:44:56.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:44:56.175 INFO [stderr] 
Dec 04 22:44:56.183 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 04 22:44:56.183 INFO [stderr]   --> src/main.rs:89:30
Dec 04 22:44:56.183 INFO [stderr]    |
Dec 04 22:44:56.183 INFO [stderr] 89 |             printstring.push((c.clone().to_string()));
Dec 04 22:44:56.183 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 22:44:56.183 INFO [stderr]    |
Dec 04 22:44:56.183 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 22:44:56.183 INFO [stderr] 
Dec 04 22:44:56.283 INFO [stderr] warning: function is never used: `veccombine`
Dec 04 22:44:56.283 INFO [stderr]   --> src/main.rs:64:1
Dec 04 22:44:56.283 INFO [stderr]    |
Dec 04 22:44:56.283 INFO [stderr] 64 | fn veccombine(victor: Vec<String>) -> String{
Dec 04 22:44:56.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:44:56.283 INFO [stderr]    |
Dec 04 22:44:56.283 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 22:44:56.283 INFO [stderr] 
Dec 04 22:44:56.291 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:44:56.291 INFO [stderr]   --> src/main.rs:50:9
Dec 04 22:44:56.291 INFO [stderr]    |
Dec 04 22:44:56.291 INFO [stderr] 50 |         io::stdin().read_line(&mut input);
Dec 04 22:44:56.291 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:44:56.291 INFO [stderr]    |
Dec 04 22:44:56.291 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:44:56.291 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:44:56.291 INFO [stderr] 
Dec 04 22:44:56.291 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:44:56.291 INFO [stderr]    --> src/main.rs:134:5
Dec 04 22:44:56.291 INFO [stderr]     |
Dec 04 22:44:56.291 INFO [stderr] 134 |     file.read_to_string(&mut contents);
Dec 04 22:44:56.291 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:44:56.291 INFO [stderr]     |
Dec 04 22:44:56.291 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:44:56.291 INFO [stderr] 
Dec 04 22:44:56.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 04 22:44:56.318 INFO [stderr] su: No module specific data is present
Dec 04 22:44:56.697 INFO running `"docker" "inspect" "163a0420535f2e24f5bf4a29e97cea07babb7e3da3b9705ab481b53de81d575b"`
Dec 04 22:44:56.886 INFO running `"docker" "rm" "-f" "163a0420535f2e24f5bf4a29e97cea07babb7e3da3b9705ab481b53de81d575b"`
Dec 04 22:44:57.019 INFO [stdout] 163a0420535f2e24f5bf4a29e97cea07babb7e3da3b9705ab481b53de81d575b