Nov 30 19:51:17.460 INFO testing yogesum/blockchain-rs against 1.30.1 for beta-1.31-5
Nov 30 19:51:17.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 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 30 19:51:18.100 INFO [stdout] 77f21ca5cafeefeba282e243c3759f7ac8b71212e9ab66edf09235f5c4b71946
Nov 30 19:51:18.103 INFO running `"docker" "start" "-a" "77f21ca5cafeefeba282e243c3759f7ac8b71212e9ab66edf09235f5c4b71946"`
Nov 30 19:51:20.526 INFO [stderr] usermod: no changes
Nov 30 19:51:20.653 INFO [stderr]    Compiling typenum v1.10.0
Nov 30 19:51:20.653 INFO [stderr]    Compiling arrayref v0.3.4
Nov 30 19:51:20.653 INFO [stderr]    Compiling byte-tools v0.2.0
Nov 30 19:51:20.663 INFO [stderr]    Compiling fake-simd v0.1.2
Nov 30 19:51:20.663 INFO [stderr]    Compiling serde v1.0.37
Nov 30 19:51:20.663 INFO [stderr]    Compiling proc-macro2 v0.3.1
Nov 30 19:51:21.727 INFO [stderr]    Compiling block-buffer v0.3.3
Nov 30 19:51:28.243 INFO [stderr]    Compiling quote v0.5.1
Nov 30 19:51:28.999 INFO [stderr]    Compiling generic-array v0.9.0
Nov 30 19:51:30.361 INFO [stderr]    Compiling syn v0.13.1
Nov 30 19:51:30.732 INFO [stderr]    Compiling digest v0.7.2
Nov 30 19:51:31.099 INFO [stderr]    Compiling sha2 v0.7.0
Nov 30 19:51:43.784 INFO [stderr]    Compiling serde_derive_internals v0.23.0
Nov 30 19:51:48.127 INFO [stderr]    Compiling serde_derive v1.0.37
Nov 30 19:51:51.047 INFO [stderr]    Compiling serde_json v1.0.13
Nov 30 19:52:00.187 INFO [stderr]    Compiling blockchain-rs v0.1.0 (/source)
Nov 30 19:52:00.595 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.595 INFO [stderr]   --> src/main.rs:16:5
Nov 30 19:52:00.595 INFO [stderr]    |
Nov 30 19:52:00.595 INFO [stderr] 16 |     io::stdout().flush();
Nov 30 19:52:00.595 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.595 INFO [stderr]    |
Nov 30 19:52:00.595 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 19:52:00.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.595 INFO [stderr] 
Nov 30 19:52:00.595 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.595 INFO [stderr]   --> src/main.rs:17:5
Nov 30 19:52:00.595 INFO [stderr]    |
Nov 30 19:52:00.595 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 30 19:52:00.595 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.595 INFO [stderr]    |
Nov 30 19:52:00.595 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.595 INFO [stderr] 
Nov 30 19:52:00.595 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:20:5
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 20 |     io::stdout().flush();
Nov 30 19:52:00.596 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:21:5
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 30 19:52:00.596 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:38:9
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 38 |         io::stdout().flush();
Nov 30 19:52:00.596 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:41:9
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 30 19:52:00.596 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:55:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 55 |                 io::stdout().flush();
Nov 30 19:52:00.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:56:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 30 19:52:00.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:59:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 59 |                 io::stdout().flush();
Nov 30 19:52:00.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:60:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 60 |                 io::stdin().read_line(&mut receiver);
Nov 30 19:52:00.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:63:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 63 |                 io::stdout().flush();
Nov 30 19:52:00.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:64:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Nov 30 19:52:00.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.596 INFO [stderr] 
Nov 30 19:52:00.596 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.596 INFO [stderr]   --> src/main.rs:89:17
Nov 30 19:52:00.596 INFO [stderr]    |
Nov 30 19:52:00.596 INFO [stderr] 89 |                 io::stdout().flush();
Nov 30 19:52:00.597 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.597 INFO [stderr]    |
Nov 30 19:52:00.597 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.597 INFO [stderr] 
Nov 30 19:52:00.597 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.597 INFO [stderr]   --> src/main.rs:90:17
Nov 30 19:52:00.597 INFO [stderr]    |
Nov 30 19:52:00.597 INFO [stderr] 90 |                 io::stdin().read_line(&mut new_diff);
Nov 30 19:52:00.597 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.597 INFO [stderr]    |
Nov 30 19:52:00.597 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.597 INFO [stderr] 
Nov 30 19:52:00.597 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.597 INFO [stderr]    --> src/main.rs:101:17
Nov 30 19:52:00.597 INFO [stderr]     |
Nov 30 19:52:00.597 INFO [stderr] 101 |                 io::stdout().flush();
Nov 30 19:52:00.597 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.597 INFO [stderr]     |
Nov 30 19:52:00.597 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.597 INFO [stderr] 
Nov 30 19:52:00.597 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:00.597 INFO [stderr]    --> src/main.rs:102:17
Nov 30 19:52:00.597 INFO [stderr]     |
Nov 30 19:52:00.597 INFO [stderr] 102 |                 io::stdin().read_line(&mut new_reward);
Nov 30 19:52:00.597 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:00.597 INFO [stderr]     |
Nov 30 19:52:00.597 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:00.597 INFO [stderr] 
Nov 30 19:52:02.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.47s
Nov 30 19:52:02.025 INFO [stderr] su: No module specific data is present
Nov 30 19:52:02.979 INFO running `"docker" "inspect" "77f21ca5cafeefeba282e243c3759f7ac8b71212e9ab66edf09235f5c4b71946"`
Nov 30 19:52:03.227 INFO running `"docker" "rm" "-f" "77f21ca5cafeefeba282e243c3759f7ac8b71212e9ab66edf09235f5c4b71946"`
Nov 30 19:52:03.587 INFO [stdout] 77f21ca5cafeefeba282e243c3759f7ac8b71212e9ab66edf09235f5c4b71946
Nov 30 19:52:03.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 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 30 19:52:04.015 INFO [stdout] 3d1884bca5f7339261496208ba559509a3ad15654149ab316e7a5beca0d4b1e7
Nov 30 19:52:04.017 INFO running `"docker" "start" "-a" "3d1884bca5f7339261496208ba559509a3ad15654149ab316e7a5beca0d4b1e7"`
Nov 30 19:52:05.648 INFO [stderr] usermod: no changes
Nov 30 19:52:05.783 INFO [stderr]    Compiling blockchain-rs v0.1.0 (/source)
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:16:5
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 16 |     io::stdout().flush();
Nov 30 19:52:06.271 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:17:5
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 30 19:52:06.271 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:20:5
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 20 |     io::stdout().flush();
Nov 30 19:52:06.271 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:21:5
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 30 19:52:06.271 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:38:9
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 38 |         io::stdout().flush();
Nov 30 19:52:06.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:41:9
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 30 19:52:06.271 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:55:17
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 55 |                 io::stdout().flush();
Nov 30 19:52:06.271 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:56:17
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 30 19:52:06.271 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.271 INFO [stderr] 
Nov 30 19:52:06.271 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.271 INFO [stderr]   --> src/main.rs:59:17
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.271 INFO [stderr] 59 |                 io::stdout().flush();
Nov 30 19:52:06.271 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.271 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.272 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.272 INFO [stderr]   --> src/main.rs:60:17
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr] 60 |                 io::stdin().read_line(&mut receiver);
Nov 30 19:52:06.272 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.272 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.272 INFO [stderr]   --> src/main.rs:63:17
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr] 63 |                 io::stdout().flush();
Nov 30 19:52:06.272 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.272 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.272 INFO [stderr]   --> src/main.rs:64:17
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Nov 30 19:52:06.272 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.272 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.272 INFO [stderr]   --> src/main.rs:89:17
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr] 89 |                 io::stdout().flush();
Nov 30 19:52:06.272 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.272 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.272 INFO [stderr]   --> src/main.rs:90:17
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr] 90 |                 io::stdin().read_line(&mut new_diff);
Nov 30 19:52:06.272 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.272 INFO [stderr]    |
Nov 30 19:52:06.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.272 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.272 INFO [stderr]    --> src/main.rs:101:17
Nov 30 19:52:06.272 INFO [stderr]     |
Nov 30 19:52:06.272 INFO [stderr] 101 |                 io::stdout().flush();
Nov 30 19:52:06.272 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.272 INFO [stderr]     |
Nov 30 19:52:06.272 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.272 INFO [stderr] 
Nov 30 19:52:06.283 INFO [stderr] warning: unused `std::result::Result` which must be used
Nov 30 19:52:06.283 INFO [stderr]    --> src/main.rs:102:17
Nov 30 19:52:06.283 INFO [stderr]     |
Nov 30 19:52:06.283 INFO [stderr] 102 |                 io::stdin().read_line(&mut new_reward);
Nov 30 19:52:06.283 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:52:06.283 INFO [stderr]     |
Nov 30 19:52:06.283 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:52:06.283 INFO [stderr] 
Nov 30 19:52:06.838 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Nov 30 19:52:06.840 INFO [stderr] su: No module specific data is present
Nov 30 19:52:08.230 INFO running `"docker" "inspect" "3d1884bca5f7339261496208ba559509a3ad15654149ab316e7a5beca0d4b1e7"`
Nov 30 19:52:08.593 INFO running `"docker" "rm" "-f" "3d1884bca5f7339261496208ba559509a3ad15654149ab316e7a5beca0d4b1e7"`
Nov 30 19:52:08.939 INFO [stdout] 3d1884bca5f7339261496208ba559509a3ad15654149ab316e7a5beca0d4b1e7
Nov 30 19:52:08.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 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 30 19:52:09.491 INFO [stdout] 8003656163d8e379499028ac300a76287cf493998c5b61c7edfd245373f745fd
Nov 30 19:52:09.494 INFO running `"docker" "start" "-a" "8003656163d8e379499028ac300a76287cf493998c5b61c7edfd245373f745fd"`
Nov 30 19:52:11.555 INFO [stderr] usermod: no changes
Nov 30 19:52:11.719 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Nov 30 19:52:11.720 INFO [stderr]      Running /target/debug/deps/blockchain_rs-7846337773c95c01
Nov 30 19:52:11.720 INFO [stderr] su: No module specific data is present
Nov 30 19:52:11.720 INFO [stdout] 
Nov 30 19:52:11.721 INFO [stdout] running 0 tests
Nov 30 19:52:11.721 INFO [stdout] 
Nov 30 19:52:11.721 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 19:52:11.721 INFO [stdout] 
Nov 30 19:52:12.567 INFO running `"docker" "inspect" "8003656163d8e379499028ac300a76287cf493998c5b61c7edfd245373f745fd"`
Nov 30 19:52:12.946 INFO running `"docker" "rm" "-f" "8003656163d8e379499028ac300a76287cf493998c5b61c7edfd245373f745fd"`
Nov 30 19:52:13.214 INFO [stdout] 8003656163d8e379499028ac300a76287cf493998c5b61c7edfd245373f745fd
