Dec 19 13:44:21.263 INFO checking lempiy/blockchain against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:44:21.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lempiy/blockchain:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:44:21.800 INFO [stdout] 09f4c8ae92081f898a9814989dc1108e7a26759abbd26823443d54b4dae20f1c
Dec 19 13:44:21.802 INFO running `"docker" "start" "-a" "09f4c8ae92081f898a9814989dc1108e7a26759abbd26823443d54b4dae20f1c"`
Dec 19 13:44:23.669 INFO [stderr]     Checking serde v1.0.38
Dec 19 13:44:23.673 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 19 13:44:29.422 INFO [stderr]    Compiling serde_derive v1.0.38
Dec 19 13:44:45.936 INFO [stderr]     Checking serde_json v1.0.14
Dec 19 13:44:48.588 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 19 13:44:49.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.320 INFO [stderr]   --> src/main.rs:16:5
Dec 19 13:44:49.320 INFO [stderr]    |
Dec 19 13:44:49.320 INFO [stderr] 16 |     io::stdout().flush();
Dec 19 13:44:49.320 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.320 INFO [stderr]    |
Dec 19 13:44:49.320 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:44:49.320 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.320 INFO [stderr] 
Dec 19 13:44:49.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.321 INFO [stderr]   --> src/main.rs:17:5
Dec 19 13:44:49.324 INFO [stderr]    |
Dec 19 13:44:49.324 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 19 13:44:49.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.324 INFO [stderr]    |
Dec 19 13:44:49.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.324 INFO [stderr] 
Dec 19 13:44:49.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.324 INFO [stderr]   --> src/main.rs:20:5
Dec 19 13:44:49.324 INFO [stderr]    |
Dec 19 13:44:49.324 INFO [stderr] 20 |     io::stdout().flush();
Dec 19 13:44:49.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.324 INFO [stderr]    |
Dec 19 13:44:49.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.324 INFO [stderr] 
Dec 19 13:44:49.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.324 INFO [stderr]   --> src/main.rs:21:5
Dec 19 13:44:49.324 INFO [stderr]    |
Dec 19 13:44:49.324 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Dec 19 13:44:49.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.324 INFO [stderr]    |
Dec 19 13:44:49.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.324 INFO [stderr] 
Dec 19 13:44:49.325 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.325 INFO [stderr]   --> src/main.rs:36:9
Dec 19 13:44:49.325 INFO [stderr]    |
Dec 19 13:44:49.328 INFO [stderr] 36 |         io::stdout().flush();
Dec 19 13:44:49.328 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.328 INFO [stderr]    |
Dec 19 13:44:49.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.328 INFO [stderr] 
Dec 19 13:44:49.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.328 INFO [stderr]   --> src/main.rs:38:9
Dec 19 13:44:49.328 INFO [stderr]    |
Dec 19 13:44:49.328 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 19 13:44:49.328 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.328 INFO [stderr]    |
Dec 19 13:44:49.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.328 INFO [stderr] 
Dec 19 13:44:49.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.328 INFO [stderr]   --> src/main.rs:54:17
Dec 19 13:44:49.328 INFO [stderr]    |
Dec 19 13:44:49.328 INFO [stderr] 54 |                 io::stdout().flush();
Dec 19 13:44:49.328 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.328 INFO [stderr]    |
Dec 19 13:44:49.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.328 INFO [stderr] 
Dec 19 13:44:49.332 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.332 INFO [stderr]   --> src/main.rs:55:17
Dec 19 13:44:49.332 INFO [stderr]    |
Dec 19 13:44:49.332 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Dec 19 13:44:49.332 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.332 INFO [stderr]    |
Dec 19 13:44:49.332 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.332 INFO [stderr] 
Dec 19 13:44:49.332 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.332 INFO [stderr]   --> src/main.rs:58:17
Dec 19 13:44:49.332 INFO [stderr]    |
Dec 19 13:44:49.332 INFO [stderr] 58 |                 io::stdout().flush();
Dec 19 13:44:49.332 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.332 INFO [stderr]    |
Dec 19 13:44:49.332 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.332 INFO [stderr] 
Dec 19 13:44:49.332 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.332 INFO [stderr]   --> src/main.rs:59:17
Dec 19 13:44:49.332 INFO [stderr]    |
Dec 19 13:44:49.332 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Dec 19 13:44:49.332 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.332 INFO [stderr]    |
Dec 19 13:44:49.335 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.335 INFO [stderr] 
Dec 19 13:44:49.335 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.335 INFO [stderr]   --> src/main.rs:62:17
Dec 19 13:44:49.335 INFO [stderr]    |
Dec 19 13:44:49.335 INFO [stderr] 62 |                 io::stdout().flush();
Dec 19 13:44:49.335 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.335 INFO [stderr]    |
Dec 19 13:44:49.335 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.335 INFO [stderr] 
Dec 19 13:44:49.335 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.335 INFO [stderr]   --> src/main.rs:63:17
Dec 19 13:44:49.335 INFO [stderr]    |
Dec 19 13:44:49.335 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 19 13:44:49.335 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.335 INFO [stderr]    |
Dec 19 13:44:49.335 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.335 INFO [stderr] 
Dec 19 13:44:49.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.340 INFO [stderr]   --> src/main.rs:85:17
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr] 85 |                 io::stdout().flush();
Dec 19 13:44:49.340 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.340 INFO [stderr] 
Dec 19 13:44:49.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.340 INFO [stderr]   --> src/main.rs:86:17
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Dec 19 13:44:49.340 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.340 INFO [stderr] 
Dec 19 13:44:49.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.340 INFO [stderr]   --> src/main.rs:96:17
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr] 96 |                 io::stdout().flush();
Dec 19 13:44:49.340 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.340 INFO [stderr] 
Dec 19 13:44:49.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.340 INFO [stderr]   --> src/main.rs:97:17
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Dec 19 13:44:49.340 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.340 INFO [stderr]    |
Dec 19 13:44:49.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.340 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:16:5
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 16 |     io::stdout().flush();
Dec 19 13:44:49.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:17:5
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 19 13:44:49.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:20:5
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 20 |     io::stdout().flush();
Dec 19 13:44:49.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:21:5
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Dec 19 13:44:49.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:36:9
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 36 |         io::stdout().flush();
Dec 19 13:44:49.361 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:38:9
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 19 13:44:49.361 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:54:17
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 54 |                 io::stdout().flush();
Dec 19 13:44:49.361 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.361 INFO [stderr] 
Dec 19 13:44:49.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.361 INFO [stderr]   --> src/main.rs:55:17
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Dec 19 13:44:49.361 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.361 INFO [stderr]    |
Dec 19 13:44:49.361 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.362 INFO [stderr] 
Dec 19 13:44:49.362 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.362 INFO [stderr]   --> src/main.rs:58:17
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr] 58 |                 io::stdout().flush();
Dec 19 13:44:49.362 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.362 INFO [stderr] 
Dec 19 13:44:49.362 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.362 INFO [stderr]   --> src/main.rs:59:17
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Dec 19 13:44:49.362 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.362 INFO [stderr] 
Dec 19 13:44:49.362 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.362 INFO [stderr]   --> src/main.rs:62:17
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr] 62 |                 io::stdout().flush();
Dec 19 13:44:49.362 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.362 INFO [stderr] 
Dec 19 13:44:49.362 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.362 INFO [stderr]   --> src/main.rs:63:17
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 19 13:44:49.362 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.362 INFO [stderr] 
Dec 19 13:44:49.362 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.362 INFO [stderr]   --> src/main.rs:85:17
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr] 85 |                 io::stdout().flush();
Dec 19 13:44:49.362 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.362 INFO [stderr]    |
Dec 19 13:44:49.362 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.362 INFO [stderr] 
Dec 19 13:44:49.362 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.368 INFO [stderr]   --> src/main.rs:86:17
Dec 19 13:44:49.368 INFO [stderr]    |
Dec 19 13:44:49.368 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Dec 19 13:44:49.368 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.368 INFO [stderr]    |
Dec 19 13:44:49.368 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.368 INFO [stderr] 
Dec 19 13:44:49.368 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.368 INFO [stderr]   --> src/main.rs:96:17
Dec 19 13:44:49.368 INFO [stderr]    |
Dec 19 13:44:49.368 INFO [stderr] 96 |                 io::stdout().flush();
Dec 19 13:44:49.368 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.368 INFO [stderr]    |
Dec 19 13:44:49.368 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.368 INFO [stderr] 
Dec 19 13:44:49.368 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:44:49.368 INFO [stderr]   --> src/main.rs:97:17
Dec 19 13:44:49.368 INFO [stderr]    |
Dec 19 13:44:49.368 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Dec 19 13:44:49.368 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:49.368 INFO [stderr]    |
Dec 19 13:44:49.368 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:44:49.368 INFO [stderr] 
Dec 19 13:44:49.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.90s
Dec 19 13:44:50.499 INFO running `"docker" "inspect" "09f4c8ae92081f898a9814989dc1108e7a26759abbd26823443d54b4dae20f1c"`
Dec 19 13:44:50.750 INFO running `"docker" "rm" "-f" "09f4c8ae92081f898a9814989dc1108e7a26759abbd26823443d54b4dae20f1c"`
Dec 19 13:44:51.091 INFO [stdout] 09f4c8ae92081f898a9814989dc1108e7a26759abbd26823443d54b4dae20f1c