Nov 01 08:08:16.516 INFO testing iThinkyouknow/rust-blockchain against 1.30.0 for beta-1.31-1
Nov 01 08:08:16.516 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-1/1.30.0:/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 +1.30.0 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:08:17.079 INFO blam! e7a84ba72f984a080efd2f6d371d9b9600598f915e8412fa6eabd1ef2bc9b1fa
Nov 01 08:08:17.091 INFO running `"docker" "start" "-a" "e7a84ba72f984a080efd2f6d371d9b9600598f915e8412fa6eabd1ef2bc9b1fa"`
Nov 01 08:08:19.150 INFO kablam! usermod: no changes
Nov 01 08:08:19.323 INFO kablam!    Compiling blockchain v0.1.0 (/source)
Nov 01 08:08:20.647 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.647 INFO kablam!   --> src/main.rs:17:5
Nov 01 08:08:20.647 INFO kablam!    |
Nov 01 08:08:20.647 INFO kablam! 17 |     io::stdout().flush();
Nov 01 08:08:20.647 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.647 INFO kablam!    |
Nov 01 08:08:20.647 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 08:08:20.647 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.647 INFO kablam! 
Nov 01 08:08:20.647 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.647 INFO kablam!   --> src/main.rs:18:5
Nov 01 08:08:20.647 INFO kablam!    |
Nov 01 08:08:20.647 INFO kablam! 18 |     io::stdin().read_line(&mut miner_addr);
Nov 01 08:08:20.647 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.647 INFO kablam!    |
Nov 01 08:08:20.647 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.647 INFO kablam! 
Nov 01 08:08:20.647 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.648 INFO kablam!   --> src/main.rs:21:5
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam! 21 |     io::stdout().flush();
Nov 01 08:08:20.648 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.648 INFO kablam! 
Nov 01 08:08:20.648 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.648 INFO kablam!   --> src/main.rs:22:5
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam! 22 |     io::stdin().read_line(&mut difficulty);
Nov 01 08:08:20.648 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.648 INFO kablam! 
Nov 01 08:08:20.648 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.648 INFO kablam!   --> src/main.rs:39:9
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam! 39 |         io::stdout().flush();
Nov 01 08:08:20.648 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.648 INFO kablam! 
Nov 01 08:08:20.648 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.648 INFO kablam!   --> src/main.rs:41:9
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam! 41 |         io::stdin().read_line(&mut choice);
Nov 01 08:08:20.648 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.648 INFO kablam! 
Nov 01 08:08:20.648 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.648 INFO kablam!   --> src/main.rs:55:17
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam! 55 |                 io::stdout().flush();
Nov 01 08:08:20.648 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.648 INFO kablam! 
Nov 01 08:08:20.648 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.648 INFO kablam!   --> src/main.rs:56:17
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam! 56 |                 io::stdin().read_line(&mut sender);
Nov 01 08:08:20.648 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.648 INFO kablam!    |
Nov 01 08:08:20.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.648 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:58:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 58 |                 io::stdout().flush();
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:59:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 59 |                 io::stdin().read_line(&mut receiver);
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:62:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 62 |                 io::stdout().flush();
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:63:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 63 |                 io::stdin().read_line(&mut amount);
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:87:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 87 |                 io::stdout().flush();
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:88:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 88 |                 io::stdin().read_line(&mut new_diff);
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:98:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 98 |                 io::stdout().flush();
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:20.649 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:20.649 INFO kablam!   --> src/main.rs:99:17
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam! 99 |                 io::stdin().read_line(&mut new_reward);
Nov 01 08:08:20.649 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:20.649 INFO kablam!    |
Nov 01 08:08:20.649 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:20.649 INFO kablam! 
Nov 01 08:08:22.171 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
Nov 01 08:08:22.171 INFO kablam! su: No module specific data is present
Nov 01 08:08:22.803 INFO running `"docker" "rm" "-f" "e7a84ba72f984a080efd2f6d371d9b9600598f915e8412fa6eabd1ef2bc9b1fa"`
Nov 01 08:08:23.063 INFO blam! e7a84ba72f984a080efd2f6d371d9b9600598f915e8412fa6eabd1ef2bc9b1fa
Nov 01 08:08:23.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:08:23.520 INFO blam! a6931af24f482c6ad357b052b335be1e8d51b89990112e94036783f094ab9499
Nov 01 08:08:23.523 INFO running `"docker" "start" "-a" "a6931af24f482c6ad357b052b335be1e8d51b89990112e94036783f094ab9499"`
Nov 01 08:08:25.614 INFO kablam! usermod: no changes
Nov 01 08:08:25.733 INFO kablam!    Compiling blockchain v0.1.0 (/source)
Nov 01 08:08:26.731 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.731 INFO kablam!   --> src/main.rs:17:5
Nov 01 08:08:26.731 INFO kablam!    |
Nov 01 08:08:26.731 INFO kablam! 17 |     io::stdout().flush();
Nov 01 08:08:26.731 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.731 INFO kablam!    |
Nov 01 08:08:26.731 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 08:08:26.731 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.731 INFO kablam! 
Nov 01 08:08:26.731 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.731 INFO kablam!   --> src/main.rs:18:5
Nov 01 08:08:26.731 INFO kablam!    |
Nov 01 08:08:26.731 INFO kablam! 18 |     io::stdin().read_line(&mut miner_addr);
Nov 01 08:08:26.731 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.731 INFO kablam!    |
Nov 01 08:08:26.731 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.731 INFO kablam! 
Nov 01 08:08:26.731 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.731 INFO kablam!   --> src/main.rs:21:5
Nov 01 08:08:26.731 INFO kablam!    |
Nov 01 08:08:26.731 INFO kablam! 21 |     io::stdout().flush();
Nov 01 08:08:26.731 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.731 INFO kablam!    |
Nov 01 08:08:26.731 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.731 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:22:5
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 22 |     io::stdin().read_line(&mut difficulty);
Nov 01 08:08:26.732 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:39:9
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 39 |         io::stdout().flush();
Nov 01 08:08:26.732 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:41:9
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 41 |         io::stdin().read_line(&mut choice);
Nov 01 08:08:26.732 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:55:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 55 |                 io::stdout().flush();
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:56:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 56 |                 io::stdin().read_line(&mut sender);
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:58:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 58 |                 io::stdout().flush();
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:59:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 59 |                 io::stdin().read_line(&mut receiver);
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:62:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 62 |                 io::stdout().flush();
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:63:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 63 |                 io::stdin().read_line(&mut amount);
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:87:17
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam! 87 |                 io::stdout().flush();
Nov 01 08:08:26.732 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.732 INFO kablam!    |
Nov 01 08:08:26.732 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.732 INFO kablam! 
Nov 01 08:08:26.732 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.732 INFO kablam!   --> src/main.rs:88:17
Nov 01 08:08:26.733 INFO kablam!    |
Nov 01 08:08:26.733 INFO kablam! 88 |                 io::stdin().read_line(&mut new_diff);
Nov 01 08:08:26.733 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.733 INFO kablam!    |
Nov 01 08:08:26.733 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.733 INFO kablam! 
Nov 01 08:08:26.733 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.733 INFO kablam!   --> src/main.rs:98:17
Nov 01 08:08:26.733 INFO kablam!    |
Nov 01 08:08:26.733 INFO kablam! 98 |                 io::stdout().flush();
Nov 01 08:08:26.733 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.733 INFO kablam!    |
Nov 01 08:08:26.733 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.733 INFO kablam! 
Nov 01 08:08:26.733 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 08:08:26.733 INFO kablam!   --> src/main.rs:99:17
Nov 01 08:08:26.733 INFO kablam!    |
Nov 01 08:08:26.733 INFO kablam! 99 |                 io::stdin().read_line(&mut new_reward);
Nov 01 08:08:26.733 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:08:26.733 INFO kablam!    |
Nov 01 08:08:26.733 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 08:08:26.739 INFO kablam! 
Nov 01 08:08:27.255 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Nov 01 08:08:27.260 INFO kablam! su: No module specific data is present
Nov 01 08:08:28.275 INFO running `"docker" "rm" "-f" "a6931af24f482c6ad357b052b335be1e8d51b89990112e94036783f094ab9499"`
Nov 01 08:08:28.569 INFO blam! a6931af24f482c6ad357b052b335be1e8d51b89990112e94036783f094ab9499
Nov 01 08:08:28.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:08:28.955 INFO blam! 26087698e2bb47e06854cfb61a7337e774cc22a7033377ca669bc9607bf02769
Nov 01 08:08:28.963 INFO running `"docker" "start" "-a" "26087698e2bb47e06854cfb61a7337e774cc22a7033377ca669bc9607bf02769"`
Nov 01 08:08:30.679 INFO kablam! usermod: no changes
Nov 01 08:08:30.851 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Nov 01 08:08:30.851 INFO kablam!      Running /target/debug/deps/blockchain-85109d5075116193
Nov 01 08:08:30.863 INFO kablam! su: No module specific data is present
Nov 01 08:08:30.863 INFO blam! 
Nov 01 08:08:30.863 INFO blam! running 0 tests
Nov 01 08:08:30.863 INFO blam! 
Nov 01 08:08:30.863 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 08:08:30.863 INFO blam! 
Nov 01 08:08:31.979 INFO running `"docker" "rm" "-f" "26087698e2bb47e06854cfb61a7337e774cc22a7033377ca669bc9607bf02769"`
Nov 01 08:08:32.371 INFO blam! 26087698e2bb47e06854cfb61a7337e774cc22a7033377ca669bc9607bf02769
