Nov 17 01:01:00.885 INFO testing iThinkyouknow/rust-blockchain against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 01:01:00.887 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 01:01:01.289 INFO [stdout] 2686d97d82470c6c21ad4a0972ad893b89a3159a21a8a4ac57ff6167dbfcbf67
Nov 17 01:01:01.299 INFO running `"docker" "start" "-a" "2686d97d82470c6c21ad4a0972ad893b89a3159a21a8a4ac57ff6167dbfcbf67"`
Nov 17 01:01:03.086 INFO [stderr] usermod: no changes
Nov 17 01:01:03.227 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 17 01:01:04.359 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.360 INFO [stderr]   --> src/main.rs:17:5
Nov 17 01:01:04.361 INFO [stderr]    |
Nov 17 01:01:04.361 INFO [stderr] 17 |     io::stdout().flush();
Nov 17 01:01:04.362 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.363 INFO [stderr]    |
Nov 17 01:01:04.363 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 01:01:04.364 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.364 INFO [stderr] 
Nov 17 01:01:04.365 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.366 INFO [stderr]   --> src/main.rs:18:5
Nov 17 01:01:04.366 INFO [stderr]    |
Nov 17 01:01:04.367 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Nov 17 01:01:04.367 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.368 INFO [stderr]    |
Nov 17 01:01:04.369 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.369 INFO [stderr] 
Nov 17 01:01:04.370 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.370 INFO [stderr]   --> src/main.rs:21:5
Nov 17 01:01:04.370 INFO [stderr]    |
Nov 17 01:01:04.370 INFO [stderr] 21 |     io::stdout().flush();
Nov 17 01:01:04.370 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.370 INFO [stderr]    |
Nov 17 01:01:04.370 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:22:5
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Nov 17 01:01:04.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:39:9
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 39 |         io::stdout().flush();
Nov 17 01:01:04.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:41:9
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 17 01:01:04.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:55:17
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 55 |                 io::stdout().flush();
Nov 17 01:01:04.375 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:56:17
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 17 01:01:04.375 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:58:17
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 58 |                 io::stdout().flush();
Nov 17 01:01:04.375 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:59:17
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 59 |                 io::stdin().read_line(&mut receiver);
Nov 17 01:01:04.375 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:62:17
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 62 |                 io::stdout().flush();
Nov 17 01:01:04.375 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.375 INFO [stderr] 
Nov 17 01:01:04.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.375 INFO [stderr]   --> src/main.rs:63:17
Nov 17 01:01:04.375 INFO [stderr]    |
Nov 17 01:01:04.375 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Nov 17 01:01:04.376 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.376 INFO [stderr] 
Nov 17 01:01:04.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.376 INFO [stderr]   --> src/main.rs:87:17
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr] 87 |                 io::stdout().flush();
Nov 17 01:01:04.376 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.376 INFO [stderr] 
Nov 17 01:01:04.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.376 INFO [stderr]   --> src/main.rs:88:17
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr] 88 |                 io::stdin().read_line(&mut new_diff);
Nov 17 01:01:04.376 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.376 INFO [stderr] 
Nov 17 01:01:04.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.376 INFO [stderr]   --> src/main.rs:98:17
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr] 98 |                 io::stdout().flush();
Nov 17 01:01:04.376 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.376 INFO [stderr] 
Nov 17 01:01:04.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:04.376 INFO [stderr]   --> src/main.rs:99:17
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr] 99 |                 io::stdin().read_line(&mut new_reward);
Nov 17 01:01:04.376 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:04.376 INFO [stderr]    |
Nov 17 01:01:04.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:04.376 INFO [stderr] 
Nov 17 01:01:05.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
Nov 17 01:01:05.845 INFO [stderr] su: No module specific data is present
Nov 17 01:01:07.343 INFO running `"docker" "inspect" "2686d97d82470c6c21ad4a0972ad893b89a3159a21a8a4ac57ff6167dbfcbf67"`
Nov 17 01:01:07.637 INFO running `"docker" "rm" "-f" "2686d97d82470c6c21ad4a0972ad893b89a3159a21a8a4ac57ff6167dbfcbf67"`
Nov 17 01:01:08.007 INFO [stdout] 2686d97d82470c6c21ad4a0972ad893b89a3159a21a8a4ac57ff6167dbfcbf67
Nov 17 01:01:08.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 01:01:08.590 INFO [stdout] ddf3cdbcf478d72f063d57a335ccdc5b1c648b38ba93d3200255929b84120999
Nov 17 01:01:08.592 INFO running `"docker" "start" "-a" "ddf3cdbcf478d72f063d57a335ccdc5b1c648b38ba93d3200255929b84120999"`
Nov 17 01:01:10.549 INFO [stderr] usermod: no changes
Nov 17 01:01:10.720 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 17 01:01:11.614 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.615 INFO [stderr]   --> src/main.rs:17:5
Nov 17 01:01:11.615 INFO [stderr]    |
Nov 17 01:01:11.616 INFO [stderr] 17 |     io::stdout().flush();
Nov 17 01:01:11.617 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.617 INFO [stderr]    |
Nov 17 01:01:11.618 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 01:01:11.618 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.618 INFO [stderr] 
Nov 17 01:01:11.618 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.618 INFO [stderr]   --> src/main.rs:18:5
Nov 17 01:01:11.618 INFO [stderr]    |
Nov 17 01:01:11.618 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Nov 17 01:01:11.618 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.618 INFO [stderr]    |
Nov 17 01:01:11.618 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.618 INFO [stderr] 
Nov 17 01:01:11.618 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.618 INFO [stderr]   --> src/main.rs:21:5
Nov 17 01:01:11.620 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 21 |     io::stdout().flush();
Nov 17 01:01:11.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:22:5
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Nov 17 01:01:11.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:39:9
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 39 |         io::stdout().flush();
Nov 17 01:01:11.621 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:41:9
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 17 01:01:11.621 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:55:17
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 55 |                 io::stdout().flush();
Nov 17 01:01:11.621 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:56:17
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 17 01:01:11.621 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:58:17
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 58 |                 io::stdout().flush();
Nov 17 01:01:11.621 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.621 INFO [stderr] 
Nov 17 01:01:11.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.621 INFO [stderr]   --> src/main.rs:59:17
Nov 17 01:01:11.621 INFO [stderr]    |
Nov 17 01:01:11.621 INFO [stderr] 59 |                 io::stdin().read_line(&mut receiver);
Nov 17 01:01:11.621 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.622 INFO [stderr] 
Nov 17 01:01:11.622 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.622 INFO [stderr]   --> src/main.rs:62:17
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr] 62 |                 io::stdout().flush();
Nov 17 01:01:11.622 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.622 INFO [stderr] 
Nov 17 01:01:11.622 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.622 INFO [stderr]   --> src/main.rs:63:17
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Nov 17 01:01:11.622 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.622 INFO [stderr] 
Nov 17 01:01:11.622 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.622 INFO [stderr]   --> src/main.rs:87:17
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr] 87 |                 io::stdout().flush();
Nov 17 01:01:11.622 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.622 INFO [stderr] 
Nov 17 01:01:11.622 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.622 INFO [stderr]   --> src/main.rs:88:17
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr] 88 |                 io::stdin().read_line(&mut new_diff);
Nov 17 01:01:11.622 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.622 INFO [stderr] 
Nov 17 01:01:11.622 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.622 INFO [stderr]   --> src/main.rs:98:17
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr] 98 |                 io::stdout().flush();
Nov 17 01:01:11.622 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.622 INFO [stderr] 
Nov 17 01:01:11.622 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 01:01:11.622 INFO [stderr]   --> src/main.rs:99:17
Nov 17 01:01:11.622 INFO [stderr]    |
Nov 17 01:01:11.622 INFO [stderr] 99 |                 io::stdin().read_line(&mut new_reward);
Nov 17 01:01:11.622 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:01:11.638 INFO [stderr]    |
Nov 17 01:01:11.638 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 01:01:11.638 INFO [stderr] 
Nov 17 01:01:12.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Nov 17 01:01:12.062 INFO [stderr] su: No module specific data is present
Nov 17 01:01:13.329 INFO running `"docker" "inspect" "ddf3cdbcf478d72f063d57a335ccdc5b1c648b38ba93d3200255929b84120999"`
Nov 17 01:01:13.676 INFO running `"docker" "rm" "-f" "ddf3cdbcf478d72f063d57a335ccdc5b1c648b38ba93d3200255929b84120999"`
Nov 17 01:01:13.959 INFO [stdout] ddf3cdbcf478d72f063d57a335ccdc5b1c648b38ba93d3200255929b84120999
Nov 17 01:01:13.966 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 01:01:14.396 INFO [stdout] b3174f60ac31981261717b59f55ee8b53229ef43ab5de6c59d505ec45f3fa8c6
Nov 17 01:01:14.403 INFO running `"docker" "start" "-a" "b3174f60ac31981261717b59f55ee8b53229ef43ab5de6c59d505ec45f3fa8c6"`
Nov 17 01:01:16.191 INFO [stderr] usermod: no changes
Nov 17 01:01:16.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Nov 17 01:01:16.347 INFO [stderr]      Running /target/debug/deps/blockchain-b7427228ce1f3d81
Nov 17 01:01:16.367 INFO [stderr] su: No module specific data is present
Nov 17 01:01:16.367 INFO [stdout] 
Nov 17 01:01:16.367 INFO [stdout] running 0 tests
Nov 17 01:01:16.367 INFO [stdout] 
Nov 17 01:01:16.367 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 01:01:16.367 INFO [stdout] 
Nov 17 01:01:17.666 INFO running `"docker" "inspect" "b3174f60ac31981261717b59f55ee8b53229ef43ab5de6c59d505ec45f3fa8c6"`
Nov 17 01:01:18.071 INFO running `"docker" "rm" "-f" "b3174f60ac31981261717b59f55ee8b53229ef43ab5de6c59d505ec45f3fa8c6"`
Nov 17 01:01:18.432 INFO [stdout] b3174f60ac31981261717b59f55ee8b53229ef43ab5de6c59d505ec45f3fa8c6