Nov 06 18:43:07.045 INFO checking lezwon/Blockchain-from-Scratch against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 18:43:07.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 18:43:07.492 INFO blam! f7c0c2a3cabe32caec3243b56c8236593847627462e31bbc998777e5f6a258af
Nov 06 18:43:07.498 INFO running `"docker" "start" "-a" "f7c0c2a3cabe32caec3243b56c8236593847627462e31bbc998777e5f6a258af"`
Nov 06 18:43:08.505 INFO kablam! usermod: no changes
Nov 06 18:43:08.721 INFO kablam!     Checking sha2 v0.7.0
Nov 06 18:43:09.348 INFO kablam!     Checking blockchain-rust v0.1.0 (/source)
Nov 06 18:43:10.354 INFO kablam! warning: variable does not need to be mutable
Nov 06 18:43:10.354 INFO kablam!   --> src/main.rs:94:8
Nov 06 18:43:10.354 INFO kablam!    |
Nov 06 18:43:10.355 INFO kablam! 94 |             let mut block_header = BlockHeader{
Nov 06 18:43:10.355 INFO kablam!    |                 ----^^^^^^^^^^^^
Nov 06 18:43:10.355 INFO kablam!    |                 |
Nov 06 18:43:10.356 INFO kablam!    |                 help: remove this `mut`
Nov 06 18:43:10.356 INFO kablam!    |
Nov 06 18:43:10.356 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 06 18:43:10.356 INFO kablam! 
Nov 06 18:43:10.375 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.375 INFO kablam!    --> src/main.rs:210:2
Nov 06 18:43:10.375 INFO kablam!     |
Nov 06 18:43:10.376 INFO kablam! 210 |     io::stdout().flush();
Nov 06 18:43:10.376 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.376 INFO kablam!     |
Nov 06 18:43:10.377 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 06 18:43:10.377 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.377 INFO kablam! 
Nov 06 18:43:10.378 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.378 INFO kablam!    --> src/main.rs:211:2
Nov 06 18:43:10.378 INFO kablam!     |
Nov 06 18:43:10.378 INFO kablam! 211 |     io::stdin().read_line(&mut miner_address);
Nov 06 18:43:10.379 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.379 INFO kablam!     |
Nov 06 18:43:10.379 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.380 INFO kablam! 
Nov 06 18:43:10.380 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.380 INFO kablam!    --> src/main.rs:213:2
Nov 06 18:43:10.380 INFO kablam!     |
Nov 06 18:43:10.381 INFO kablam! 213 |     io::stdout().flush();
Nov 06 18:43:10.381 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.381 INFO kablam!     |
Nov 06 18:43:10.382 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.382 INFO kablam! 
Nov 06 18:43:10.382 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.382 INFO kablam!    --> src/main.rs:214:2
Nov 06 18:43:10.383 INFO kablam!     |
Nov 06 18:43:10.383 INFO kablam! 214 |     io::stdin().read_line(&mut difficulty_string);
Nov 06 18:43:10.383 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.383 INFO kablam!     |
Nov 06 18:43:10.384 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.384 INFO kablam! 
Nov 06 18:43:10.384 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.384 INFO kablam!    --> src/main.rs:229:3
Nov 06 18:43:10.385 INFO kablam!     |
Nov 06 18:43:10.385 INFO kablam! 229 |         io::stdout().flush();
Nov 06 18:43:10.385 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.385 INFO kablam!     |
Nov 06 18:43:10.386 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.386 INFO kablam! 
Nov 06 18:43:10.386 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.386 INFO kablam!    --> src/main.rs:231:3
Nov 06 18:43:10.387 INFO kablam!     |
Nov 06 18:43:10.387 INFO kablam! 231 |         io::stdin().read_line(&mut choice);
Nov 06 18:43:10.387 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.387 INFO kablam!     |
Nov 06 18:43:10.388 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.388 INFO kablam! 
Nov 06 18:43:10.388 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.388 INFO kablam!    --> src/main.rs:247:5
Nov 06 18:43:10.389 INFO kablam!     |
Nov 06 18:43:10.389 INFO kablam! 247 |                 io::stdout().flush();
Nov 06 18:43:10.389 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.389 INFO kablam!     |
Nov 06 18:43:10.390 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.390 INFO kablam! 
Nov 06 18:43:10.390 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.390 INFO kablam!    --> src/main.rs:248:5
Nov 06 18:43:10.391 INFO kablam!     |
Nov 06 18:43:10.391 INFO kablam! 248 |                 io::stdin().read_line(&mut sender);
Nov 06 18:43:10.391 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.391 INFO kablam!     |
Nov 06 18:43:10.392 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.396 INFO kablam! 
Nov 06 18:43:10.396 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.397 INFO kablam!    --> src/main.rs:250:5
Nov 06 18:43:10.397 INFO kablam!     |
Nov 06 18:43:10.397 INFO kablam! 250 |                 io::stdout().flush();
Nov 06 18:43:10.397 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.397 INFO kablam!     |
Nov 06 18:43:10.398 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.398 INFO kablam! 
Nov 06 18:43:10.398 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.398 INFO kablam!    --> src/main.rs:251:5
Nov 06 18:43:10.399 INFO kablam!     |
Nov 06 18:43:10.399 INFO kablam! 251 |                 io::stdin().read_line(&mut recipient);
Nov 06 18:43:10.399 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.400 INFO kablam!     |
Nov 06 18:43:10.400 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.400 INFO kablam! 
Nov 06 18:43:10.400 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.401 INFO kablam!    --> src/main.rs:253:5
Nov 06 18:43:10.401 INFO kablam!     |
Nov 06 18:43:10.401 INFO kablam! 253 |                 io::stdout().flush();
Nov 06 18:43:10.402 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.402 INFO kablam!     |
Nov 06 18:43:10.402 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.402 INFO kablam! 
Nov 06 18:43:10.403 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.403 INFO kablam!    --> src/main.rs:254:5
Nov 06 18:43:10.403 INFO kablam!     |
Nov 06 18:43:10.404 INFO kablam! 254 |                 io::stdin().read_line(&mut amount);
Nov 06 18:43:10.404 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.404 INFO kablam!     |
Nov 06 18:43:10.404 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.405 INFO kablam! 
Nov 06 18:43:10.405 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.405 INFO kablam!    --> src/main.rs:274:5
Nov 06 18:43:10.405 INFO kablam!     |
Nov 06 18:43:10.406 INFO kablam! 274 |                 io::stdout().flush();
Nov 06 18:43:10.406 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.406 INFO kablam!     |
Nov 06 18:43:10.406 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.407 INFO kablam! 
Nov 06 18:43:10.407 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.407 INFO kablam!    --> src/main.rs:275:5
Nov 06 18:43:10.407 INFO kablam!     |
Nov 06 18:43:10.408 INFO kablam! 275 |                 io::stdin().read_line(&mut new_difficulty);
Nov 06 18:43:10.408 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.408 INFO kablam!     |
Nov 06 18:43:10.408 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.409 INFO kablam! 
Nov 06 18:43:10.409 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.409 INFO kablam!    --> src/main.rs:286:5
Nov 06 18:43:10.409 INFO kablam!     |
Nov 06 18:43:10.410 INFO kablam! 286 |                 io::stdout().flush();
Nov 06 18:43:10.410 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.410 INFO kablam!     |
Nov 06 18:43:10.410 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.411 INFO kablam! 
Nov 06 18:43:10.411 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.411 INFO kablam!    --> src/main.rs:287:5
Nov 06 18:43:10.411 INFO kablam!     |
Nov 06 18:43:10.412 INFO kablam! 287 |                 io::stdin().read_line(&mut new_reward);
Nov 06 18:43:10.412 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.412 INFO kablam!     |
Nov 06 18:43:10.412 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.413 INFO kablam! 
Nov 06 18:43:10.421 INFO kablam! warning: variable does not need to be mutable
Nov 06 18:43:10.421 INFO kablam!   --> src/main.rs:94:8
Nov 06 18:43:10.421 INFO kablam!    |
Nov 06 18:43:10.422 INFO kablam! 94 |             let mut block_header = BlockHeader{
Nov 06 18:43:10.422 INFO kablam!    |                 ----^^^^^^^^^^^^
Nov 06 18:43:10.422 INFO kablam!    |                 |
Nov 06 18:43:10.423 INFO kablam!    |                 help: remove this `mut`
Nov 06 18:43:10.423 INFO kablam!    |
Nov 06 18:43:10.423 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 06 18:43:10.424 INFO kablam! 
Nov 06 18:43:10.438 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.439 INFO kablam!    --> src/main.rs:210:2
Nov 06 18:43:10.440 INFO kablam!     |
Nov 06 18:43:10.440 INFO kablam! 210 |     io::stdout().flush();
Nov 06 18:43:10.441 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.441 INFO kablam!     |
Nov 06 18:43:10.441 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 06 18:43:10.442 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.442 INFO kablam! 
Nov 06 18:43:10.444 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.444 INFO kablam!    --> src/main.rs:211:2
Nov 06 18:43:10.444 INFO kablam!     |
Nov 06 18:43:10.445 INFO kablam! 211 |     io::stdin().read_line(&mut miner_address);
Nov 06 18:43:10.445 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.445 INFO kablam!     |
Nov 06 18:43:10.446 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.446 INFO kablam! 
Nov 06 18:43:10.446 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.446 INFO kablam!    --> src/main.rs:213:2
Nov 06 18:43:10.447 INFO kablam!     |
Nov 06 18:43:10.447 INFO kablam! 213 |     io::stdout().flush();
Nov 06 18:43:10.447 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.447 INFO kablam!     |
Nov 06 18:43:10.448 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.449 INFO kablam! 
Nov 06 18:43:10.449 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.449 INFO kablam!    --> src/main.rs:214:2
Nov 06 18:43:10.450 INFO kablam!     |
Nov 06 18:43:10.450 INFO kablam! 214 |     io::stdin().read_line(&mut difficulty_string);
Nov 06 18:43:10.450 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.450 INFO kablam!     |
Nov 06 18:43:10.451 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.451 INFO kablam! 
Nov 06 18:43:10.451 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.451 INFO kablam!    --> src/main.rs:229:3
Nov 06 18:43:10.452 INFO kablam!     |
Nov 06 18:43:10.452 INFO kablam! 229 |         io::stdout().flush();
Nov 06 18:43:10.452 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.453 INFO kablam!     |
Nov 06 18:43:10.453 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.453 INFO kablam! 
Nov 06 18:43:10.453 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.454 INFO kablam!    --> src/main.rs:231:3
Nov 06 18:43:10.454 INFO kablam!     |
Nov 06 18:43:10.454 INFO kablam! 231 |         io::stdin().read_line(&mut choice);
Nov 06 18:43:10.454 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.455 INFO kablam!     |
Nov 06 18:43:10.455 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.455 INFO kablam! 
Nov 06 18:43:10.455 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.456 INFO kablam!    --> src/main.rs:247:5
Nov 06 18:43:10.456 INFO kablam!     |
Nov 06 18:43:10.456 INFO kablam! 247 |                 io::stdout().flush();
Nov 06 18:43:10.456 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.457 INFO kablam!     |
Nov 06 18:43:10.457 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.457 INFO kablam! 
Nov 06 18:43:10.457 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.458 INFO kablam!    --> src/main.rs:248:5
Nov 06 18:43:10.458 INFO kablam!     |
Nov 06 18:43:10.458 INFO kablam! 248 |                 io::stdin().read_line(&mut sender);
Nov 06 18:43:10.458 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.459 INFO kablam!     |
Nov 06 18:43:10.459 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.459 INFO kablam! 
Nov 06 18:43:10.459 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.460 INFO kablam!    --> src/main.rs:250:5
Nov 06 18:43:10.460 INFO kablam!     |
Nov 06 18:43:10.460 INFO kablam! 250 |                 io::stdout().flush();
Nov 06 18:43:10.460 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.461 INFO kablam!     |
Nov 06 18:43:10.461 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.461 INFO kablam! 
Nov 06 18:43:10.461 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.462 INFO kablam!    --> src/main.rs:251:5
Nov 06 18:43:10.462 INFO kablam!     |
Nov 06 18:43:10.462 INFO kablam! 251 |                 io::stdin().read_line(&mut recipient);
Nov 06 18:43:10.463 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.463 INFO kablam!     |
Nov 06 18:43:10.463 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.463 INFO kablam! 
Nov 06 18:43:10.463 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.464 INFO kablam!    --> src/main.rs:253:5
Nov 06 18:43:10.464 INFO kablam!     |
Nov 06 18:43:10.464 INFO kablam! 253 |                 io::stdout().flush();
Nov 06 18:43:10.465 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.465 INFO kablam!     |
Nov 06 18:43:10.465 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.465 INFO kablam! 
Nov 06 18:43:10.466 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.466 INFO kablam!    --> src/main.rs:254:5
Nov 06 18:43:10.466 INFO kablam!     |
Nov 06 18:43:10.466 INFO kablam! 254 |                 io::stdin().read_line(&mut amount);
Nov 06 18:43:10.467 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.467 INFO kablam!     |
Nov 06 18:43:10.467 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.467 INFO kablam! 
Nov 06 18:43:10.468 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.468 INFO kablam!    --> src/main.rs:274:5
Nov 06 18:43:10.468 INFO kablam!     |
Nov 06 18:43:10.468 INFO kablam! 274 |                 io::stdout().flush();
Nov 06 18:43:10.469 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.469 INFO kablam!     |
Nov 06 18:43:10.469 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.470 INFO kablam! 
Nov 06 18:43:10.470 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.470 INFO kablam!    --> src/main.rs:275:5
Nov 06 18:43:10.470 INFO kablam!     |
Nov 06 18:43:10.471 INFO kablam! 275 |                 io::stdin().read_line(&mut new_difficulty);
Nov 06 18:43:10.471 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.471 INFO kablam!     |
Nov 06 18:43:10.471 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.472 INFO kablam! 
Nov 06 18:43:10.472 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.472 INFO kablam!    --> src/main.rs:286:5
Nov 06 18:43:10.472 INFO kablam!     |
Nov 06 18:43:10.473 INFO kablam! 286 |                 io::stdout().flush();
Nov 06 18:43:10.473 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.473 INFO kablam!     |
Nov 06 18:43:10.473 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.474 INFO kablam! 
Nov 06 18:43:10.474 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 18:43:10.474 INFO kablam!    --> src/main.rs:287:5
Nov 06 18:43:10.474 INFO kablam!     |
Nov 06 18:43:10.475 INFO kablam! 287 |                 io::stdin().read_line(&mut new_reward);
Nov 06 18:43:10.475 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 18:43:10.475 INFO kablam!     |
Nov 06 18:43:10.475 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 18:43:10.476 INFO kablam! 
Nov 06 18:43:10.501 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Nov 06 18:43:10.516 INFO kablam! su: No module specific data is present
Nov 06 18:43:11.344 INFO running `"docker" "rm" "-f" "f7c0c2a3cabe32caec3243b56c8236593847627462e31bbc998777e5f6a258af"`
Nov 06 18:43:11.622 INFO blam! f7c0c2a3cabe32caec3243b56c8236593847627462e31bbc998777e5f6a258af