Dec 19 15:35:12.045 INFO checking iveltondequeiroz/tiny-chain against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:35:12.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:35:12.430 INFO [stdout] b0f35b1739b6ec038abbe44056ce528bddaf9be62c51f8a84ddee666fddfa6ed
Dec 19 15:35:12.432 INFO running `"docker" "start" "-a" "b0f35b1739b6ec038abbe44056ce528bddaf9be62c51f8a84ddee666fddfa6ed"`
Dec 19 15:35:13.880 INFO [stderr]     Checking block-buffer v0.7.0
Dec 19 15:35:14.268 INFO [stderr]     Checking sha2 v0.8.0
Dec 19 15:35:14.828 INFO [stderr]     Checking tinychain v0.1.0 (/opt/crater/workdir)
Dec 19 15:35:15.640 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.640 INFO [stderr]   --> src/main.rs:16:5
Dec 19 15:35:15.640 INFO [stderr]    |
Dec 19 15:35:15.640 INFO [stderr] 16 |     io::stdout().flush();
Dec 19 15:35:15.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.640 INFO [stderr]    |
Dec 19 15:35:15.640 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:35:15.640 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:17:5
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 19 15:35:15.641 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:19:5
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 19 |     io::stdout().flush();
Dec 19 15:35:15.641 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:20:5
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 19 15:35:15.641 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:33:9
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 33 |         io::stdout().flush();
Dec 19 15:35:15.641 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:35:9
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 19 15:35:15.641 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:50:17
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 50 |                 io::stdout().flush();
Dec 19 15:35:15.641 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:51:17
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 19 15:35:15.641 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.641 INFO [stderr]    |
Dec 19 15:35:15.641 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.641 INFO [stderr] 
Dec 19 15:35:15.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.641 INFO [stderr]   --> src/main.rs:53:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 53 |                 io::stdout().flush();
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:54:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:56:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 56 |                 io::stdout().flush();
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:57:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:81:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 81 |                 io::stdout().flush();
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:82:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:92:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 92 |                 io::stdout().flush();
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.642 INFO [stderr]   --> src/main.rs:93:17
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 19 15:35:15.642 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.642 INFO [stderr]    |
Dec 19 15:35:15.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.642 INFO [stderr] 
Dec 19 15:35:15.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.668 INFO [stderr]   --> src/main.rs:16:5
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr] 16 |     io::stdout().flush();
Dec 19 15:35:15.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:35:15.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.668 INFO [stderr] 
Dec 19 15:35:15.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.668 INFO [stderr]   --> src/main.rs:17:5
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 19 15:35:15.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.668 INFO [stderr] 
Dec 19 15:35:15.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.668 INFO [stderr]   --> src/main.rs:19:5
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr] 19 |     io::stdout().flush();
Dec 19 15:35:15.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.668 INFO [stderr] 
Dec 19 15:35:15.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.668 INFO [stderr]   --> src/main.rs:20:5
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 19 15:35:15.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.668 INFO [stderr] 
Dec 19 15:35:15.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.668 INFO [stderr]   --> src/main.rs:33:9
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr] 33 |         io::stdout().flush();
Dec 19 15:35:15.668 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.668 INFO [stderr]    |
Dec 19 15:35:15.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:35:9
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 19 15:35:15.669 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:50:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 50 |                 io::stdout().flush();
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:51:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:53:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 53 |                 io::stdout().flush();
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:54:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:56:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 56 |                 io::stdout().flush();
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:57:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:81:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 81 |                 io::stdout().flush();
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:82:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:92:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 92 |                 io::stdout().flush();
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:35:15.669 INFO [stderr]   --> src/main.rs:93:17
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 19 15:35:15.669 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:15.669 INFO [stderr]    |
Dec 19 15:35:15.669 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:35:15.669 INFO [stderr] 
Dec 19 15:35:15.704 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
Dec 19 15:35:17.004 INFO running `"docker" "inspect" "b0f35b1739b6ec038abbe44056ce528bddaf9be62c51f8a84ddee666fddfa6ed"`
Dec 19 15:35:17.320 INFO running `"docker" "rm" "-f" "b0f35b1739b6ec038abbe44056ce528bddaf9be62c51f8a84ddee666fddfa6ed"`
Dec 19 15:35:17.582 INFO [stdout] b0f35b1739b6ec038abbe44056ce528bddaf9be62c51f8a84ddee666fddfa6ed