Dec 01 21:36:53.650 INFO testing christiansakai/toy_blockchain_rust against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 21:36:53.650 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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"`
Dec 01 21:36:53.783 INFO [stdout] 6b98262cf42913476b5331dc3eee60129dae4ce5aa89549ae663c9e51989edde
Dec 01 21:36:53.785 INFO running `"docker" "start" "-a" "6b98262cf42913476b5331dc3eee60129dae4ce5aa89549ae663c9e51989edde"`
Dec 01 21:36:54.795 INFO [stderr] usermod: no changes
Dec 01 21:36:54.943 INFO [stderr]    Compiling toy_blockchain v0.1.0 (/source)
Dec 01 21:36:56.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.319 INFO [stderr]   --> src/main.rs:16:5
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr] 16 |     io::stdout().flush();
Dec 01 21:36:56.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 21:36:56.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.319 INFO [stderr] 
Dec 01 21:36:56.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.319 INFO [stderr]   --> src/main.rs:17:5
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_address);
Dec 01 21:36:56.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.319 INFO [stderr] 
Dec 01 21:36:56.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.319 INFO [stderr]   --> src/main.rs:19:5
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr] 19 |     io::stdout().flush();
Dec 01 21:36:56.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.319 INFO [stderr] 
Dec 01 21:36:56.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.319 INFO [stderr]   --> src/main.rs:20:5
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 01 21:36:56.319 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.319 INFO [stderr]    |
Dec 01 21:36:56.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.319 INFO [stderr] 
Dec 01 21:36:56.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.319 INFO [stderr]   --> src/main.rs:38:9
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr] 38 |         io::stdout().flush();
Dec 01 21:36:56.320 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.320 INFO [stderr] 
Dec 01 21:36:56.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.320 INFO [stderr]   --> src/main.rs:41:9
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 01 21:36:56.320 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.320 INFO [stderr] 
Dec 01 21:36:56.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.320 INFO [stderr]   --> src/main.rs:57:17
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr] 57 |                 io::stdout().flush();
Dec 01 21:36:56.320 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.320 INFO [stderr] 
Dec 01 21:36:56.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.320 INFO [stderr]   --> src/main.rs:58:17
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.320 INFO [stderr] 58 |                 io::stdin().read_line(&mut sender);
Dec 01 21:36:56.320 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.320 INFO [stderr]    |
Dec 01 21:36:56.321 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.321 INFO [stderr] 
Dec 01 21:36:56.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.321 INFO [stderr]   --> src/main.rs:60:17
Dec 01 21:36:56.321 INFO [stderr]    |
Dec 01 21:36:56.321 INFO [stderr] 60 |                 io::stdout().flush();
Dec 01 21:36:56.321 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.321 INFO [stderr]    |
Dec 01 21:36:56.321 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.321 INFO [stderr] 
Dec 01 21:36:56.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.321 INFO [stderr]   --> src/main.rs:61:17
Dec 01 21:36:56.321 INFO [stderr]    |
Dec 01 21:36:56.321 INFO [stderr] 61 |                 io::stdin().read_line(&mut receiver);
Dec 01 21:36:56.321 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.321 INFO [stderr]    |
Dec 01 21:36:56.321 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.321 INFO [stderr] 
Dec 01 21:36:56.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.324 INFO [stderr]   --> src/main.rs:63:17
Dec 01 21:36:56.324 INFO [stderr]    |
Dec 01 21:36:56.324 INFO [stderr] 63 |                 io::stdout().flush();
Dec 01 21:36:56.324 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.324 INFO [stderr]    |
Dec 01 21:36:56.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.324 INFO [stderr] 
Dec 01 21:36:56.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.324 INFO [stderr]   --> src/main.rs:64:17
Dec 01 21:36:56.324 INFO [stderr]    |
Dec 01 21:36:56.324 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Dec 01 21:36:56.324 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.324 INFO [stderr]    |
Dec 01 21:36:56.325 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.325 INFO [stderr] 
Dec 01 21:36:56.325 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.325 INFO [stderr]   --> src/main.rs:90:17
Dec 01 21:36:56.325 INFO [stderr]    |
Dec 01 21:36:56.325 INFO [stderr] 90 |                 io::stdout().flush();
Dec 01 21:36:56.325 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.325 INFO [stderr]    |
Dec 01 21:36:56.325 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.325 INFO [stderr] 
Dec 01 21:36:56.325 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.325 INFO [stderr]   --> src/main.rs:91:17
Dec 01 21:36:56.325 INFO [stderr]    |
Dec 01 21:36:56.325 INFO [stderr] 91 |                 io::stdin().read_line(&mut new_difficulty);
Dec 01 21:36:56.325 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.325 INFO [stderr]    |
Dec 01 21:36:56.325 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.325 INFO [stderr] 
Dec 01 21:36:56.325 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.325 INFO [stderr]    --> src/main.rs:105:17
Dec 01 21:36:56.325 INFO [stderr]     |
Dec 01 21:36:56.325 INFO [stderr] 105 |                 io::stdout().flush();
Dec 01 21:36:56.325 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.325 INFO [stderr]     |
Dec 01 21:36:56.325 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.325 INFO [stderr] 
Dec 01 21:36:56.325 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:36:56.325 INFO [stderr]    --> src/main.rs:106:17
Dec 01 21:36:56.325 INFO [stderr]     |
Dec 01 21:36:56.325 INFO [stderr] 106 |                 io::stdin().read_line(&mut new_reward);
Dec 01 21:36:56.325 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:36:56.325 INFO [stderr]     |
Dec 01 21:36:56.325 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:36:56.325 INFO [stderr] 
Dec 01 21:36:57.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
Dec 01 21:36:57.783 INFO [stderr] su: No module specific data is present
Dec 01 21:36:58.808 INFO running `"docker" "inspect" "6b98262cf42913476b5331dc3eee60129dae4ce5aa89549ae663c9e51989edde"`
Dec 01 21:36:59.195 INFO running `"docker" "rm" "-f" "6b98262cf42913476b5331dc3eee60129dae4ce5aa89549ae663c9e51989edde"`
Dec 01 21:36:59.531 INFO [stdout] 6b98262cf42913476b5331dc3eee60129dae4ce5aa89549ae663c9e51989edde
Dec 01 21:36:59.543 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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"`
Dec 01 21:37:00.032 INFO [stdout] 5b7e9a5c839f15882d970e83926dbd6eb4acb1e6aa1fa90b5fab6a3287b1e8a9
Dec 01 21:37:00.036 INFO running `"docker" "start" "-a" "5b7e9a5c839f15882d970e83926dbd6eb4acb1e6aa1fa90b5fab6a3287b1e8a9"`
Dec 01 21:37:01.225 INFO [stderr] usermod: no changes
Dec 01 21:37:01.343 INFO [stderr]    Compiling toy_blockchain v0.1.0 (/source)
Dec 01 21:37:02.402 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.402 INFO [stderr]   --> src/main.rs:16:5
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr] 16 |     io::stdout().flush();
Dec 01 21:37:02.402 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 21:37:02.402 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.402 INFO [stderr] 
Dec 01 21:37:02.402 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.402 INFO [stderr]   --> src/main.rs:17:5
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_address);
Dec 01 21:37:02.402 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.402 INFO [stderr] 
Dec 01 21:37:02.402 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.402 INFO [stderr]   --> src/main.rs:19:5
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr] 19 |     io::stdout().flush();
Dec 01 21:37:02.402 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.402 INFO [stderr] 
Dec 01 21:37:02.402 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.402 INFO [stderr]   --> src/main.rs:20:5
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 01 21:37:02.402 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.402 INFO [stderr] 
Dec 01 21:37:02.402 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.402 INFO [stderr]   --> src/main.rs:38:9
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr] 38 |         io::stdout().flush();
Dec 01 21:37:02.402 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.402 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.402 INFO [stderr] 
Dec 01 21:37:02.402 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.402 INFO [stderr]   --> src/main.rs:41:9
Dec 01 21:37:02.402 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 01 21:37:02.403 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:57:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 57 |                 io::stdout().flush();
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:58:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 58 |                 io::stdin().read_line(&mut sender);
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:60:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 60 |                 io::stdout().flush();
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:61:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 61 |                 io::stdin().read_line(&mut receiver);
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:63:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 63 |                 io::stdout().flush();
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:64:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:90:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 90 |                 io::stdout().flush();
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]   --> src/main.rs:91:17
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr] 91 |                 io::stdin().read_line(&mut new_difficulty);
Dec 01 21:37:02.403 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]    |
Dec 01 21:37:02.403 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]    --> src/main.rs:105:17
Dec 01 21:37:02.403 INFO [stderr]     |
Dec 01 21:37:02.403 INFO [stderr] 105 |                 io::stdout().flush();
Dec 01 21:37:02.403 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]     |
Dec 01 21:37:02.403 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.403 INFO [stderr] 
Dec 01 21:37:02.403 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 21:37:02.403 INFO [stderr]    --> src/main.rs:106:17
Dec 01 21:37:02.403 INFO [stderr]     |
Dec 01 21:37:02.403 INFO [stderr] 106 |                 io::stdin().read_line(&mut new_reward);
Dec 01 21:37:02.403 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 21:37:02.403 INFO [stderr]     |
Dec 01 21:37:02.403 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 21:37:02.404 INFO [stderr] 
Dec 01 21:37:02.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 01 21:37:02.913 INFO [stderr] su: No module specific data is present
Dec 01 21:37:03.664 INFO running `"docker" "inspect" "5b7e9a5c839f15882d970e83926dbd6eb4acb1e6aa1fa90b5fab6a3287b1e8a9"`
Dec 01 21:37:03.945 INFO running `"docker" "rm" "-f" "5b7e9a5c839f15882d970e83926dbd6eb4acb1e6aa1fa90b5fab6a3287b1e8a9"`
Dec 01 21:37:04.221 INFO [stdout] 5b7e9a5c839f15882d970e83926dbd6eb4acb1e6aa1fa90b5fab6a3287b1e8a9
Dec 01 21:37:04.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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"`
Dec 01 21:37:04.712 INFO [stdout] e601da0b8738e5ac576e3c365ce09d7bdfe325dfaa7384bcee335f6394d0316b
Dec 01 21:37:04.716 INFO running `"docker" "start" "-a" "e601da0b8738e5ac576e3c365ce09d7bdfe325dfaa7384bcee335f6394d0316b"`
Dec 01 21:37:05.892 INFO [stderr] usermod: no changes
Dec 01 21:37:06.043 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 01 21:37:06.043 INFO [stderr]      Running /target/debug/deps/toy_blockchain-169657904d816c36
Dec 01 21:37:06.047 INFO [stdout] 
Dec 01 21:37:06.047 INFO [stdout] running 0 tests
Dec 01 21:37:06.047 INFO [stdout] 
Dec 01 21:37:06.047 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 21:37:06.047 INFO [stdout] 
Dec 01 21:37:06.052 INFO [stderr] su: No module specific data is present
Dec 01 21:37:06.841 INFO running `"docker" "inspect" "e601da0b8738e5ac576e3c365ce09d7bdfe325dfaa7384bcee335f6394d0316b"`
Dec 01 21:37:07.145 INFO running `"docker" "rm" "-f" "e601da0b8738e5ac576e3c365ce09d7bdfe325dfaa7384bcee335f6394d0316b"`
Dec 01 21:37:07.437 INFO [stdout] e601da0b8738e5ac576e3c365ce09d7bdfe325dfaa7384bcee335f6394d0316b
