Nov 17 04:56:58.848 INFO testing dennisfurrer/RustBlockchain against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 04:56:58.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 04:56:59.392 INFO [stdout] 956bc82eff9cf9dbb2f0f48413fd3436957fc672b2da50b6043a8e4ff5ca9473
Nov 17 04:56:59.394 INFO running `"docker" "start" "-a" "956bc82eff9cf9dbb2f0f48413fd3436957fc672b2da50b6043a8e4ff5ca9473"`
Nov 17 04:57:01.370 INFO [stderr] usermod: no changes
Nov 17 04:57:01.503 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 17 04:57:02.775 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.775 INFO [stderr]   --> src/main.rs:18:5
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr] 18 |     io::stdout().flush();
Nov 17 04:57:02.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 04:57:02.775 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.775 INFO [stderr] 
Nov 17 04:57:02.775 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.775 INFO [stderr]   --> src/main.rs:19:5
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Nov 17 04:57:02.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.775 INFO [stderr] 
Nov 17 04:57:02.775 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.775 INFO [stderr]   --> src/main.rs:21:5
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr] 21 |     io::stdout().flush();
Nov 17 04:57:02.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.775 INFO [stderr] 
Nov 17 04:57:02.775 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.775 INFO [stderr]   --> src/main.rs:22:5
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Nov 17 04:57:02.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.775 INFO [stderr]    |
Nov 17 04:57:02.775 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.775 INFO [stderr] 
Nov 17 04:57:02.783 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.783 INFO [stderr]   --> src/main.rs:38:9
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr] 38 |         io::stdout().flush();
Nov 17 04:57:02.783 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.783 INFO [stderr] 
Nov 17 04:57:02.783 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.783 INFO [stderr]   --> src/main.rs:40:9
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Nov 17 04:57:02.783 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.783 INFO [stderr] 
Nov 17 04:57:02.783 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.783 INFO [stderr]   --> src/main.rs:71:17
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr] 71 |                 io::stdout().flush();
Nov 17 04:57:02.783 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.783 INFO [stderr] 
Nov 17 04:57:02.783 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.783 INFO [stderr]   --> src/main.rs:72:17
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.783 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Nov 17 04:57:02.783 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.783 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]   --> src/main.rs:74:17
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr] 74 |                 io::stdout().flush();
Nov 17 04:57:02.784 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]   --> src/main.rs:75:17
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Nov 17 04:57:02.784 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]   --> src/main.rs:77:17
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr] 77 |                 io::stdout().flush();
Nov 17 04:57:02.784 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]   --> src/main.rs:78:17
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Nov 17 04:57:02.784 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]    |
Nov 17 04:57:02.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]    --> src/main.rs:106:17
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr] 106 |                 io::stdout().flush();
Nov 17 04:57:02.784 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]    --> src/main.rs:107:17
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Nov 17 04:57:02.784 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]    --> src/main.rs:119:17
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr] 119 |                 io::stdout().flush();
Nov 17 04:57:02.784 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:02.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:02.784 INFO [stderr]    --> src/main.rs:120:17
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Nov 17 04:57:02.784 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:02.784 INFO [stderr]     |
Nov 17 04:57:02.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:02.784 INFO [stderr] 
Nov 17 04:57:03.955 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
Nov 17 04:57:03.955 INFO [stderr] su: No module specific data is present
Nov 17 04:57:04.561 INFO running `"docker" "inspect" "956bc82eff9cf9dbb2f0f48413fd3436957fc672b2da50b6043a8e4ff5ca9473"`
Nov 17 04:57:05.045 INFO running `"docker" "rm" "-f" "956bc82eff9cf9dbb2f0f48413fd3436957fc672b2da50b6043a8e4ff5ca9473"`
Nov 17 04:57:05.379 INFO [stdout] 956bc82eff9cf9dbb2f0f48413fd3436957fc672b2da50b6043a8e4ff5ca9473
Nov 17 04:57:05.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 17 04:57:05.752 INFO [stdout] 567a21ab299968c3fe6afde386cb34ff89af023da42ee3e5bdce0562ee9300dc
Nov 17 04:57:05.754 INFO running `"docker" "start" "-a" "567a21ab299968c3fe6afde386cb34ff89af023da42ee3e5bdce0562ee9300dc"`
Nov 17 04:57:07.007 INFO [stderr] usermod: no changes
Nov 17 04:57:07.171 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 17 04:57:08.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.288 INFO [stderr]   --> src/main.rs:18:5
Nov 17 04:57:08.288 INFO [stderr]    |
Nov 17 04:57:08.288 INFO [stderr] 18 |     io::stdout().flush();
Nov 17 04:57:08.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.289 INFO [stderr]    |
Nov 17 04:57:08.289 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 04:57:08.289 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.289 INFO [stderr] 
Nov 17 04:57:08.290 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.290 INFO [stderr]   --> src/main.rs:19:5
Nov 17 04:57:08.290 INFO [stderr]    |
Nov 17 04:57:08.290 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Nov 17 04:57:08.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.291 INFO [stderr]    |
Nov 17 04:57:08.291 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.291 INFO [stderr] 
Nov 17 04:57:08.292 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.292 INFO [stderr]   --> src/main.rs:21:5
Nov 17 04:57:08.292 INFO [stderr]    |
Nov 17 04:57:08.292 INFO [stderr] 21 |     io::stdout().flush();
Nov 17 04:57:08.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.293 INFO [stderr]    |
Nov 17 04:57:08.293 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.293 INFO [stderr] 
Nov 17 04:57:08.294 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.294 INFO [stderr]   --> src/main.rs:22:5
Nov 17 04:57:08.294 INFO [stderr]    |
Nov 17 04:57:08.294 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Nov 17 04:57:08.295 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.295 INFO [stderr]    |
Nov 17 04:57:08.295 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.296 INFO [stderr] 
Nov 17 04:57:08.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.296 INFO [stderr]   --> src/main.rs:38:9
Nov 17 04:57:08.296 INFO [stderr]    |
Nov 17 04:57:08.297 INFO [stderr] 38 |         io::stdout().flush();
Nov 17 04:57:08.297 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.297 INFO [stderr]    |
Nov 17 04:57:08.298 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.298 INFO [stderr] 
Nov 17 04:57:08.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.299 INFO [stderr]   --> src/main.rs:40:9
Nov 17 04:57:08.299 INFO [stderr]    |
Nov 17 04:57:08.299 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Nov 17 04:57:08.299 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.300 INFO [stderr]    |
Nov 17 04:57:08.300 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.300 INFO [stderr] 
Nov 17 04:57:08.301 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.301 INFO [stderr]   --> src/main.rs:71:17
Nov 17 04:57:08.301 INFO [stderr]    |
Nov 17 04:57:08.301 INFO [stderr] 71 |                 io::stdout().flush();
Nov 17 04:57:08.302 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.302 INFO [stderr]    |
Nov 17 04:57:08.302 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.303 INFO [stderr] 
Nov 17 04:57:08.303 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.303 INFO [stderr]   --> src/main.rs:72:17
Nov 17 04:57:08.303 INFO [stderr]    |
Nov 17 04:57:08.304 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Nov 17 04:57:08.304 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.304 INFO [stderr]    |
Nov 17 04:57:08.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.305 INFO [stderr] 
Nov 17 04:57:08.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.305 INFO [stderr]   --> src/main.rs:74:17
Nov 17 04:57:08.305 INFO [stderr]    |
Nov 17 04:57:08.306 INFO [stderr] 74 |                 io::stdout().flush();
Nov 17 04:57:08.306 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.306 INFO [stderr]    |
Nov 17 04:57:08.307 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.307 INFO [stderr] 
Nov 17 04:57:08.307 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.307 INFO [stderr]   --> src/main.rs:75:17
Nov 17 04:57:08.308 INFO [stderr]    |
Nov 17 04:57:08.308 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Nov 17 04:57:08.308 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.308 INFO [stderr]    |
Nov 17 04:57:08.308 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.309 INFO [stderr] 
Nov 17 04:57:08.309 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.309 INFO [stderr]   --> src/main.rs:77:17
Nov 17 04:57:08.310 INFO [stderr]    |
Nov 17 04:57:08.310 INFO [stderr] 77 |                 io::stdout().flush();
Nov 17 04:57:08.310 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.311 INFO [stderr]    |
Nov 17 04:57:08.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.311 INFO [stderr] 
Nov 17 04:57:08.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.312 INFO [stderr]   --> src/main.rs:78:17
Nov 17 04:57:08.312 INFO [stderr]    |
Nov 17 04:57:08.312 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Nov 17 04:57:08.312 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.313 INFO [stderr]    |
Nov 17 04:57:08.313 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.313 INFO [stderr] 
Nov 17 04:57:08.313 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.314 INFO [stderr]    --> src/main.rs:106:17
Nov 17 04:57:08.314 INFO [stderr]     |
Nov 17 04:57:08.314 INFO [stderr] 106 |                 io::stdout().flush();
Nov 17 04:57:08.314 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.315 INFO [stderr]     |
Nov 17 04:57:08.315 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.315 INFO [stderr] 
Nov 17 04:57:08.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.316 INFO [stderr]    --> src/main.rs:107:17
Nov 17 04:57:08.316 INFO [stderr]     |
Nov 17 04:57:08.316 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Nov 17 04:57:08.317 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.317 INFO [stderr]     |
Nov 17 04:57:08.317 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.317 INFO [stderr] 
Nov 17 04:57:08.318 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.318 INFO [stderr]    --> src/main.rs:119:17
Nov 17 04:57:08.318 INFO [stderr]     |
Nov 17 04:57:08.319 INFO [stderr] 119 |                 io::stdout().flush();
Nov 17 04:57:08.319 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.319 INFO [stderr]     |
Nov 17 04:57:08.319 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.320 INFO [stderr] 
Nov 17 04:57:08.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:57:08.320 INFO [stderr]    --> src/main.rs:120:17
Nov 17 04:57:08.321 INFO [stderr]     |
Nov 17 04:57:08.321 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Nov 17 04:57:08.321 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:57:08.321 INFO [stderr]     |
Nov 17 04:57:08.322 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:57:08.322 INFO [stderr] 
Nov 17 04:57:08.641 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Nov 17 04:57:08.642 INFO [stderr] su: No module specific data is present
Nov 17 04:57:09.241 INFO running `"docker" "inspect" "567a21ab299968c3fe6afde386cb34ff89af023da42ee3e5bdce0562ee9300dc"`
Nov 17 04:57:09.526 INFO running `"docker" "rm" "-f" "567a21ab299968c3fe6afde386cb34ff89af023da42ee3e5bdce0562ee9300dc"`
Nov 17 04:57:09.797 INFO [stdout] 567a21ab299968c3fe6afde386cb34ff89af023da42ee3e5bdce0562ee9300dc
Nov 17 04:57:09.804 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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 17 04:57:10.255 INFO [stdout] f3b6d3748a6d4ec0de382163e2fe44dea762db8ce3392505f5d714d3f5b6b489
Nov 17 04:57:10.261 INFO running `"docker" "start" "-a" "f3b6d3748a6d4ec0de382163e2fe44dea762db8ce3392505f5d714d3f5b6b489"`
Nov 17 04:57:11.511 INFO [stderr] usermod: no changes
Nov 17 04:57:11.630 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Nov 17 04:57:11.630 INFO [stderr]      Running /target/debug/deps/blockchain-c7ed4974b0946a1c
Nov 17 04:57:11.635 INFO [stdout] 
Nov 17 04:57:11.635 INFO [stdout] running 0 tests
Nov 17 04:57:11.635 INFO [stdout] 
Nov 17 04:57:11.635 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 04:57:11.635 INFO [stdout] 
Nov 17 04:57:11.637 INFO [stderr] su: No module specific data is present
Nov 17 04:57:12.422 INFO running `"docker" "inspect" "f3b6d3748a6d4ec0de382163e2fe44dea762db8ce3392505f5d714d3f5b6b489"`
Nov 17 04:57:12.675 INFO running `"docker" "rm" "-f" "f3b6d3748a6d4ec0de382163e2fe44dea762db8ce3392505f5d714d3f5b6b489"`
Nov 17 04:57:12.929 INFO [stdout] f3b6d3748a6d4ec0de382163e2fe44dea762db8ce3392505f5d714d3f5b6b489