Dec 17 22:46:04.732 INFO checking iveltondequeiroz/tiny-chain against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:46:04.733 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/iveltondequeiroz/tiny-chain:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:46:05.190 INFO [stdout] ff5b53f2ad28a1485f2fe970f9c8b1bb5cf424b584407e9ebad767309b7c153d
Dec 17 22:46:05.192 INFO running `"docker" "start" "-a" "ff5b53f2ad28a1485f2fe970f9c8b1bb5cf424b584407e9ebad767309b7c153d"`
Dec 17 22:46:06.888 INFO [stderr]     Checking block-buffer v0.7.0
Dec 17 22:46:07.345 INFO [stderr]     Checking sha2 v0.8.0
Dec 17 22:46:07.894 INFO [stderr]     Checking tinychain v0.1.0 (/opt/crater/workdir)
Dec 17 22:46:08.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.572 INFO [stderr]   --> src/main.rs:16:5
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr] 16 |     io::stdout().flush();
Dec 17 22:46:08.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:46:08.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.572 INFO [stderr] 
Dec 17 22:46:08.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.572 INFO [stderr]   --> src/main.rs:17:5
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 17 22:46:08.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.572 INFO [stderr] 
Dec 17 22:46:08.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.572 INFO [stderr]   --> src/main.rs:19:5
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr] 19 |     io::stdout().flush();
Dec 17 22:46:08.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.572 INFO [stderr] 
Dec 17 22:46:08.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.572 INFO [stderr]   --> src/main.rs:20:5
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 17 22:46:08.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.572 INFO [stderr] 
Dec 17 22:46:08.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.572 INFO [stderr]   --> src/main.rs:33:9
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr] 33 |         io::stdout().flush();
Dec 17 22:46:08.572 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.572 INFO [stderr]    |
Dec 17 22:46:08.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:35:9
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 17 22:46:08.573 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:50:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 50 |                 io::stdout().flush();
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:51:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:53:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 53 |                 io::stdout().flush();
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:54:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:56:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 56 |                 io::stdout().flush();
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:57:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:81:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 81 |                 io::stdout().flush();
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:82:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:92:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 92 |                 io::stdout().flush();
Dec 17 22:46:08.573 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.573 INFO [stderr] 
Dec 17 22:46:08.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.573 INFO [stderr]   --> src/main.rs:93:17
Dec 17 22:46:08.573 INFO [stderr]    |
Dec 17 22:46:08.573 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 17 22:46:08.574 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.574 INFO [stderr]    |
Dec 17 22:46:08.574 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.574 INFO [stderr] 
Dec 17 22:46:08.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:16:5
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 16 |     io::stdout().flush();
Dec 17 22:46:08.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:17:5
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 17 22:46:08.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:19:5
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 19 |     io::stdout().flush();
Dec 17 22:46:08.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:20:5
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 17 22:46:08.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:33:9
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 33 |         io::stdout().flush();
Dec 17 22:46:08.581 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:35:9
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 17 22:46:08.581 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:50:17
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 50 |                 io::stdout().flush();
Dec 17 22:46:08.581 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:51:17
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 17 22:46:08.581 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:53:17
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 53 |                 io::stdout().flush();
Dec 17 22:46:08.581 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:54:17
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 17 22:46:08.581 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:56:17
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 56 |                 io::stdout().flush();
Dec 17 22:46:08.581 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.581 INFO [stderr]   --> src/main.rs:57:17
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 17 22:46:08.581 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.581 INFO [stderr]    |
Dec 17 22:46:08.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.581 INFO [stderr] 
Dec 17 22:46:08.581 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.582 INFO [stderr]   --> src/main.rs:81:17
Dec 17 22:46:08.582 INFO [stderr]    |
Dec 17 22:46:08.582 INFO [stderr] 81 |                 io::stdout().flush();
Dec 17 22:46:08.582 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.582 INFO [stderr]    |
Dec 17 22:46:08.582 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.582 INFO [stderr] 
Dec 17 22:46:08.582 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.582 INFO [stderr]   --> src/main.rs:82:17
Dec 17 22:46:08.582 INFO [stderr]    |
Dec 17 22:46:08.582 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 17 22:46:08.582 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.584 INFO [stderr]    |
Dec 17 22:46:08.584 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.584 INFO [stderr] 
Dec 17 22:46:08.584 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.584 INFO [stderr]   --> src/main.rs:92:17
Dec 17 22:46:08.584 INFO [stderr]    |
Dec 17 22:46:08.584 INFO [stderr] 92 |                 io::stdout().flush();
Dec 17 22:46:08.584 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.584 INFO [stderr]    |
Dec 17 22:46:08.584 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.584 INFO [stderr] 
Dec 17 22:46:08.584 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:46:08.584 INFO [stderr]   --> src/main.rs:93:17
Dec 17 22:46:08.584 INFO [stderr]    |
Dec 17 22:46:08.584 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 17 22:46:08.584 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:46:08.584 INFO [stderr]    |
Dec 17 22:46:08.584 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:46:08.584 INFO [stderr] 
Dec 17 22:46:08.661 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
Dec 17 22:46:09.238 INFO running `"docker" "inspect" "ff5b53f2ad28a1485f2fe970f9c8b1bb5cf424b584407e9ebad767309b7c153d"`
Dec 17 22:46:09.534 INFO running `"docker" "rm" "-f" "ff5b53f2ad28a1485f2fe970f9c8b1bb5cf424b584407e9ebad767309b7c153d"`
Dec 17 22:46:09.864 INFO [stdout] ff5b53f2ad28a1485f2fe970f9c8b1bb5cf424b584407e9ebad767309b7c153d