Dec 04 22:25:00.309 INFO checking arjanvaneersel/rust-blockchain against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:25:00.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 22:25:00.750 INFO [stdout] 6e08ab31e6beab05f50249f6eac731b093de5ace01d04b641af7b5a4ad62ee9e
Dec 04 22:25:00.754 INFO running `"docker" "start" "-a" "6e08ab31e6beab05f50249f6eac731b093de5ace01d04b641af7b5a4ad62ee9e"`
Dec 04 22:25:01.747 INFO [stderr] usermod: no changes
Dec 04 22:25:01.848 INFO [stderr]     Checking itoa v0.4.0
Dec 04 22:25:01.848 INFO [stderr]     Checking sha2 v0.7.0
Dec 04 22:25:02.683 INFO [stderr]     Checking serde_json v1.0.12
Dec 04 22:25:05.159 INFO [stderr]     Checking bfs v0.1.0 (/source)
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:17:5
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 17 |     io::stdout().flush();
Dec 04 22:25:06.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:18:5
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 04 22:25:06.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:21:5
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 21 |     io::stdout().flush();
Dec 04 22:25:06.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:22:5
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 04 22:25:06.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:36:9
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 36 |         io::stdout().flush();
Dec 04 22:25:06.735 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:38:9
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 04 22:25:06.735 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:52:17
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 52 |                 io::stdout().flush();
Dec 04 22:25:06.735 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.735 INFO [stderr] 
Dec 04 22:25:06.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.735 INFO [stderr]   --> src/main.rs:53:17
Dec 04 22:25:06.735 INFO [stderr]    |
Dec 04 22:25:06.735 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 04 22:25:06.735 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:56:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 56 |                 io::stdout().flush();
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:57:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:60:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 60 |                 io::stdout().flush();
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:61:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:80:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 80 |                 io::stdout().flush();
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:81:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:93:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 93 |                 io::stdout().flush();
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:06.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:06.736 INFO [stderr]   --> src/main.rs:94:17
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 04 22:25:06.736 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:06.736 INFO [stderr]    |
Dec 04 22:25:06.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:06.736 INFO [stderr] 
Dec 04 22:25:07.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.383 INFO [stderr]   --> src/main.rs:17:5
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr] 17 |     io::stdout().flush();
Dec 04 22:25:07.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:25:07.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.383 INFO [stderr] 
Dec 04 22:25:07.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.383 INFO [stderr]   --> src/main.rs:18:5
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 04 22:25:07.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.383 INFO [stderr] 
Dec 04 22:25:07.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.383 INFO [stderr]   --> src/main.rs:21:5
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr] 21 |     io::stdout().flush();
Dec 04 22:25:07.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.383 INFO [stderr] 
Dec 04 22:25:07.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.383 INFO [stderr]   --> src/main.rs:22:5
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 04 22:25:07.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.383 INFO [stderr] 
Dec 04 22:25:07.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.383 INFO [stderr]   --> src/main.rs:36:9
Dec 04 22:25:07.383 INFO [stderr]    |
Dec 04 22:25:07.383 INFO [stderr] 36 |         io::stdout().flush();
Dec 04 22:25:07.384 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.384 INFO [stderr] 
Dec 04 22:25:07.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.384 INFO [stderr]   --> src/main.rs:38:9
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 04 22:25:07.384 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.384 INFO [stderr] 
Dec 04 22:25:07.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.384 INFO [stderr]   --> src/main.rs:52:17
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr] 52 |                 io::stdout().flush();
Dec 04 22:25:07.384 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.384 INFO [stderr] 
Dec 04 22:25:07.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.384 INFO [stderr]   --> src/main.rs:53:17
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 04 22:25:07.384 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.384 INFO [stderr] 
Dec 04 22:25:07.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.384 INFO [stderr]   --> src/main.rs:56:17
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr] 56 |                 io::stdout().flush();
Dec 04 22:25:07.384 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.384 INFO [stderr] 
Dec 04 22:25:07.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.384 INFO [stderr]   --> src/main.rs:57:17
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 04 22:25:07.384 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.384 INFO [stderr]    |
Dec 04 22:25:07.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.384 INFO [stderr] 
Dec 04 22:25:07.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.391 INFO [stderr]   --> src/main.rs:60:17
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr] 60 |                 io::stdout().flush();
Dec 04 22:25:07.391 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.391 INFO [stderr] 
Dec 04 22:25:07.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.391 INFO [stderr]   --> src/main.rs:61:17
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 04 22:25:07.391 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.391 INFO [stderr] 
Dec 04 22:25:07.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.391 INFO [stderr]   --> src/main.rs:80:17
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr] 80 |                 io::stdout().flush();
Dec 04 22:25:07.391 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.391 INFO [stderr] 
Dec 04 22:25:07.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.391 INFO [stderr]   --> src/main.rs:81:17
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 04 22:25:07.391 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.391 INFO [stderr] 
Dec 04 22:25:07.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.391 INFO [stderr]   --> src/main.rs:93:17
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr] 93 |                 io::stdout().flush();
Dec 04 22:25:07.391 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.391 INFO [stderr] 
Dec 04 22:25:07.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:25:07.391 INFO [stderr]   --> src/main.rs:94:17
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 04 22:25:07.391 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:25:07.391 INFO [stderr]    |
Dec 04 22:25:07.391 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:25:07.391 INFO [stderr] 
Dec 04 22:25:07.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
Dec 04 22:25:07.427 INFO [stderr] su: No module specific data is present
Dec 04 22:25:08.337 INFO running `"docker" "inspect" "6e08ab31e6beab05f50249f6eac731b093de5ace01d04b641af7b5a4ad62ee9e"`
Dec 04 22:25:08.683 INFO running `"docker" "rm" "-f" "6e08ab31e6beab05f50249f6eac731b093de5ace01d04b641af7b5a4ad62ee9e"`
Dec 04 22:25:09.019 INFO [stdout] 6e08ab31e6beab05f50249f6eac731b093de5ace01d04b641af7b5a4ad62ee9e