Dec 05 03:23:01.275 INFO checking AvishaiW/toy-blochain-rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:23:01.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 03:23:01.689 INFO [stdout] 53631458ba6fec5b77b69e9addb66d42188cffe9f8411e450196180b4c224576
Dec 05 03:23:01.691 INFO running `"docker" "start" "-a" "53631458ba6fec5b77b69e9addb66d42188cffe9f8411e450196180b4c224576"`
Dec 05 03:23:02.654 INFO [stderr] usermod: no changes
Dec 05 03:23:02.795 INFO [stderr]     Checking byteorder v1.2.6
Dec 05 03:23:03.199 INFO [stderr]     Checking block-buffer v0.7.0
Dec 05 03:23:03.487 INFO [stderr]     Checking sha2 v0.8.0
Dec 05 03:23:04.325 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:16:5
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 16 |     io::stdout().flush();
Dec 05 03:23:05.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:17:5
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 05 03:23:05.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:19:5
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 19 |     io::stdout().flush();
Dec 05 03:23:05.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:20:5
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 05 03:23:05.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:33:9
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 33 |         io::stdout().flush();
Dec 05 03:23:05.619 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:35:9
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 05 03:23:05.619 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:50:17
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 50 |                 io::stdout().flush();
Dec 05 03:23:05.619 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:51:17
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 05 03:23:05.619 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.619 INFO [stderr] 
Dec 05 03:23:05.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.619 INFO [stderr]   --> src/main.rs:53:17
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr] 53 |                 io::stdout().flush();
Dec 05 03:23:05.619 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.619 INFO [stderr]    |
Dec 05 03:23:05.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:54:17
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 05 03:23:05.620 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:56:17
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 56 |                 io::stdout().flush();
Dec 05 03:23:05.620 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:57:17
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 05 03:23:05.620 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:81:21
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 81 |                     io::stdout().flush();
Dec 05 03:23:05.620 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:82:21
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 82 |                     io::stdin().read_line(&mut new_diff);
Dec 05 03:23:05.620 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:92:17
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 92 |                 io::stdout().flush();
Dec 05 03:23:05.620 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.620 INFO [stderr]   --> src/main.rs:93:17
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 05 03:23:05.620 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.620 INFO [stderr]    |
Dec 05 03:23:05.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.620 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:16:5
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 16 |     io::stdout().flush();
Dec 05 03:23:05.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:17:5
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 05 03:23:05.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:19:5
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 19 |     io::stdout().flush();
Dec 05 03:23:05.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:20:5
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 05 03:23:05.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:33:9
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 33 |         io::stdout().flush();
Dec 05 03:23:05.675 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:35:9
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 05 03:23:05.675 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:50:17
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 50 |                 io::stdout().flush();
Dec 05 03:23:05.675 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:51:17
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 05 03:23:05.675 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.675 INFO [stderr] 
Dec 05 03:23:05.675 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.675 INFO [stderr]   --> src/main.rs:53:17
Dec 05 03:23:05.675 INFO [stderr]    |
Dec 05 03:23:05.675 INFO [stderr] 53 |                 io::stdout().flush();
Dec 05 03:23:05.676 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:54:17
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 05 03:23:05.676 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:56:17
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 56 |                 io::stdout().flush();
Dec 05 03:23:05.676 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:57:17
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 05 03:23:05.676 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:81:21
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 81 |                     io::stdout().flush();
Dec 05 03:23:05.676 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:82:21
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 82 |                     io::stdin().read_line(&mut new_diff);
Dec 05 03:23:05.676 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:92:17
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 92 |                 io::stdout().flush();
Dec 05 03:23:05.676 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:23:05.676 INFO [stderr]   --> src/main.rs:93:17
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 05 03:23:05.676 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:23:05.676 INFO [stderr]    |
Dec 05 03:23:05.676 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:23:05.676 INFO [stderr] 
Dec 05 03:23:05.697 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
Dec 05 03:23:05.703 INFO [stderr] su: No module specific data is present
Dec 05 03:23:06.059 INFO running `"docker" "inspect" "53631458ba6fec5b77b69e9addb66d42188cffe9f8411e450196180b4c224576"`
Dec 05 03:23:06.195 INFO running `"docker" "rm" "-f" "53631458ba6fec5b77b69e9addb66d42188cffe9f8411e450196180b4c224576"`
Dec 05 03:23:06.377 INFO [stdout] 53631458ba6fec5b77b69e9addb66d42188cffe9f8411e450196180b4c224576