Dec 17 23:07:36.363 INFO checking iThinkyouknow/rust-blockchain against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:07:36.363 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/iThinkyouknow/rust-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:07:36.932 INFO [stdout] 1e3debc52006e03f62087396b349f5e59b2d80c1a9a957e6aa3ab8316cb754f5
Dec 17 23:07:36.934 INFO running `"docker" "start" "-a" "1e3debc52006e03f62087396b349f5e59b2d80c1a9a957e6aa3ab8316cb754f5"`
Dec 17 23:07:38.628 INFO [stderr]    Compiling syn v0.14.5
Dec 17 23:07:46.621 INFO [stderr]    Compiling serde_derive v1.0.70
Dec 17 23:08:01.020 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:17:5
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 17 |     io::stdout().flush();
Dec 17 23:08:01.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:18:5
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 17 23:08:01.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:21:5
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 21 |     io::stdout().flush();
Dec 17 23:08:01.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:22:5
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 17 23:08:01.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:39:9
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 39 |         io::stdout().flush();
Dec 17 23:08:01.791 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:41:9
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 17 23:08:01.791 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:55:17
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 55 |                 io::stdout().flush();
Dec 17 23:08:01.791 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:56:17
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Dec 17 23:08:01.791 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.791 INFO [stderr] 
Dec 17 23:08:01.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.791 INFO [stderr]   --> src/main.rs:58:17
Dec 17 23:08:01.791 INFO [stderr]    |
Dec 17 23:08:01.791 INFO [stderr] 58 |                 io::stdout().flush();
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:59:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 59 |                 io::stdin().read_line(&mut receiver);
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:62:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 62 |                 io::stdout().flush();
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:63:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:87:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 87 |                 io::stdout().flush();
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:88:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 88 |                 io::stdin().read_line(&mut new_diff);
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:98:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 98 |                 io::stdout().flush();
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.792 INFO [stderr]   --> src/main.rs:99:17
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr] 99 |                 io::stdin().read_line(&mut new_reward);
Dec 17 23:08:01.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.792 INFO [stderr]    |
Dec 17 23:08:01.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.792 INFO [stderr] 
Dec 17 23:08:01.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.860 INFO [stderr]   --> src/main.rs:17:5
Dec 17 23:08:01.860 INFO [stderr]    |
Dec 17 23:08:01.860 INFO [stderr] 17 |     io::stdout().flush();
Dec 17 23:08:01.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.860 INFO [stderr]    |
Dec 17 23:08:01.860 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:08:01.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.860 INFO [stderr] 
Dec 17 23:08:01.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.861 INFO [stderr]   --> src/main.rs:18:5
Dec 17 23:08:01.861 INFO [stderr]    |
Dec 17 23:08:01.861 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 17 23:08:01.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.861 INFO [stderr]    |
Dec 17 23:08:01.861 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.861 INFO [stderr] 
Dec 17 23:08:01.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.861 INFO [stderr]   --> src/main.rs:21:5
Dec 17 23:08:01.861 INFO [stderr]    |
Dec 17 23:08:01.861 INFO [stderr] 21 |     io::stdout().flush();
Dec 17 23:08:01.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.861 INFO [stderr]    |
Dec 17 23:08:01.861 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.861 INFO [stderr] 
Dec 17 23:08:01.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.862 INFO [stderr]   --> src/main.rs:22:5
Dec 17 23:08:01.862 INFO [stderr]    |
Dec 17 23:08:01.862 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 17 23:08:01.864 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:39:9
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 39 |         io::stdout().flush();
Dec 17 23:08:01.864 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:41:9
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 17 23:08:01.864 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:55:17
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 55 |                 io::stdout().flush();
Dec 17 23:08:01.864 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:56:17
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Dec 17 23:08:01.864 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:58:17
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 58 |                 io::stdout().flush();
Dec 17 23:08:01.864 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:59:17
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 59 |                 io::stdin().read_line(&mut receiver);
Dec 17 23:08:01.864 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:62:17
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 62 |                 io::stdout().flush();
Dec 17 23:08:01.864 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.864 INFO [stderr] 
Dec 17 23:08:01.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.864 INFO [stderr]   --> src/main.rs:63:17
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 17 23:08:01.864 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.864 INFO [stderr]    |
Dec 17 23:08:01.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.865 INFO [stderr] 
Dec 17 23:08:01.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.865 INFO [stderr]   --> src/main.rs:87:17
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr] 87 |                 io::stdout().flush();
Dec 17 23:08:01.865 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.865 INFO [stderr] 
Dec 17 23:08:01.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.865 INFO [stderr]   --> src/main.rs:88:17
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr] 88 |                 io::stdin().read_line(&mut new_diff);
Dec 17 23:08:01.865 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.865 INFO [stderr] 
Dec 17 23:08:01.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.865 INFO [stderr]   --> src/main.rs:98:17
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr] 98 |                 io::stdout().flush();
Dec 17 23:08:01.865 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.865 INFO [stderr] 
Dec 17 23:08:01.865 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:08:01.865 INFO [stderr]   --> src/main.rs:99:17
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr] 99 |                 io::stdin().read_line(&mut new_reward);
Dec 17 23:08:01.865 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:08:01.865 INFO [stderr]    |
Dec 17 23:08:01.865 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:08:01.865 INFO [stderr] 
Dec 17 23:08:01.910 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.41s
Dec 17 23:08:03.018 INFO running `"docker" "inspect" "1e3debc52006e03f62087396b349f5e59b2d80c1a9a957e6aa3ab8316cb754f5"`
Dec 17 23:08:03.346 INFO running `"docker" "rm" "-f" "1e3debc52006e03f62087396b349f5e59b2d80c1a9a957e6aa3ab8316cb754f5"`
Dec 17 23:08:03.672 INFO [stdout] 1e3debc52006e03f62087396b349f5e59b2d80c1a9a957e6aa3ab8316cb754f5