Dec 01 15:28:15.352 INFO testing iThinkyouknow/rust-blockchain against 1.30.1 for beta-1.31-5
Dec 01 15:28:15.352 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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"`
Dec 01 15:28:15.809 INFO [stdout] beebff8619fa6412a4e12c36999d25a7e64397a5aa062f79f4b16e9e7cc599e6
Dec 01 15:28:15.813 INFO running `"docker" "start" "-a" "beebff8619fa6412a4e12c36999d25a7e64397a5aa062f79f4b16e9e7cc599e6"`
Dec 01 15:28:17.135 INFO [stderr] usermod: no changes
Dec 01 15:28:17.247 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:17:5
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 17 |     io::stdout().flush();
Dec 01 15:28:18.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:18:5
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 01 15:28:18.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:21:5
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 21 |     io::stdout().flush();
Dec 01 15:28:18.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:22:5
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 01 15:28:18.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:39:9
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 39 |         io::stdout().flush();
Dec 01 15:28:18.571 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:41:9
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 01 15:28:18.571 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:55:17
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 55 |                 io::stdout().flush();
Dec 01 15:28:18.571 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.571 INFO [stderr] 
Dec 01 15:28:18.571 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.571 INFO [stderr]   --> src/main.rs:56:17
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.571 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Dec 01 15:28:18.571 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.571 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.578 INFO [stderr] 
Dec 01 15:28:18.578 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.578 INFO [stderr]   --> src/main.rs:58:17
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr] 58 |                 io::stdout().flush();
Dec 01 15:28:18.578 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.578 INFO [stderr] 
Dec 01 15:28:18.578 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.578 INFO [stderr]   --> src/main.rs:59:17
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr] 59 |                 io::stdin().read_line(&mut receiver);
Dec 01 15:28:18.578 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.578 INFO [stderr] 
Dec 01 15:28:18.578 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.578 INFO [stderr]   --> src/main.rs:62:17
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr] 62 |                 io::stdout().flush();
Dec 01 15:28:18.578 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.578 INFO [stderr] 
Dec 01 15:28:18.578 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.578 INFO [stderr]   --> src/main.rs:63:17
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 01 15:28:18.578 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.578 INFO [stderr] 
Dec 01 15:28:18.578 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.578 INFO [stderr]   --> src/main.rs:87:17
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr] 87 |                 io::stdout().flush();
Dec 01 15:28:18.578 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.578 INFO [stderr] 
Dec 01 15:28:18.578 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.578 INFO [stderr]   --> src/main.rs:88:17
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr] 88 |                 io::stdin().read_line(&mut new_diff);
Dec 01 15:28:18.578 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.578 INFO [stderr]    |
Dec 01 15:28:18.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.579 INFO [stderr] 
Dec 01 15:28:18.579 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.579 INFO [stderr]   --> src/main.rs:98:17
Dec 01 15:28:18.579 INFO [stderr]    |
Dec 01 15:28:18.579 INFO [stderr] 98 |                 io::stdout().flush();
Dec 01 15:28:18.579 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.579 INFO [stderr]    |
Dec 01 15:28:18.579 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.579 INFO [stderr] 
Dec 01 15:28:18.579 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:18.579 INFO [stderr]   --> src/main.rs:99:17
Dec 01 15:28:18.579 INFO [stderr]    |
Dec 01 15:28:18.579 INFO [stderr] 99 |                 io::stdin().read_line(&mut new_reward);
Dec 01 15:28:18.579 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:18.579 INFO [stderr]    |
Dec 01 15:28:18.579 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:18.579 INFO [stderr] 
Dec 01 15:28:19.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
Dec 01 15:28:19.919 INFO [stderr] su: No module specific data is present
Dec 01 15:28:20.559 INFO running `"docker" "inspect" "beebff8619fa6412a4e12c36999d25a7e64397a5aa062f79f4b16e9e7cc599e6"`
Dec 01 15:28:20.843 INFO running `"docker" "rm" "-f" "beebff8619fa6412a4e12c36999d25a7e64397a5aa062f79f4b16e9e7cc599e6"`
Dec 01 15:28:21.159 INFO [stdout] beebff8619fa6412a4e12c36999d25a7e64397a5aa062f79f4b16e9e7cc599e6
Dec 01 15:28:21.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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"`
Dec 01 15:28:21.568 INFO [stdout] d2803bbf4fa20ac4d3d9af3cb67305d5d8ae5d4cae6ab2a0f1ec7aa1d0226fd1
Dec 01 15:28:21.572 INFO running `"docker" "start" "-a" "d2803bbf4fa20ac4d3d9af3cb67305d5d8ae5d4cae6ab2a0f1ec7aa1d0226fd1"`
Dec 01 15:28:22.573 INFO [stderr] usermod: no changes
Dec 01 15:28:22.659 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:17:5
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 17 |     io::stdout().flush();
Dec 01 15:28:23.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:18:5
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 01 15:28:23.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:21:5
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 21 |     io::stdout().flush();
Dec 01 15:28:23.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:22:5
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 01 15:28:23.791 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:39:9
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 39 |         io::stdout().flush();
Dec 01 15:28:23.791 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:41:9
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 01 15:28:23.791 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:55:17
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 55 |                 io::stdout().flush();
Dec 01 15:28:23.791 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:56:17
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Dec 01 15:28:23.791 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:58:17
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 58 |                 io::stdout().flush();
Dec 01 15:28:23.791 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:59:17
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr] 59 |                 io::stdin().read_line(&mut receiver);
Dec 01 15:28:23.791 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.791 INFO [stderr] 
Dec 01 15:28:23.791 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.791 INFO [stderr]   --> src/main.rs:62:17
Dec 01 15:28:23.791 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr] 62 |                 io::stdout().flush();
Dec 01 15:28:23.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.792 INFO [stderr] 
Dec 01 15:28:23.792 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.792 INFO [stderr]   --> src/main.rs:63:17
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 01 15:28:23.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.792 INFO [stderr] 
Dec 01 15:28:23.792 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.792 INFO [stderr]   --> src/main.rs:87:17
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr] 87 |                 io::stdout().flush();
Dec 01 15:28:23.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.792 INFO [stderr] 
Dec 01 15:28:23.792 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.792 INFO [stderr]   --> src/main.rs:88:17
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr] 88 |                 io::stdin().read_line(&mut new_diff);
Dec 01 15:28:23.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.792 INFO [stderr] 
Dec 01 15:28:23.792 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.792 INFO [stderr]   --> src/main.rs:98:17
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr] 98 |                 io::stdout().flush();
Dec 01 15:28:23.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.792 INFO [stderr] 
Dec 01 15:28:23.792 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 15:28:23.792 INFO [stderr]   --> src/main.rs:99:17
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr] 99 |                 io::stdin().read_line(&mut new_reward);
Dec 01 15:28:23.792 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:28:23.792 INFO [stderr]    |
Dec 01 15:28:23.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 15:28:23.792 INFO [stderr] 
Dec 01 15:28:24.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 01 15:28:24.375 INFO [stderr] su: No module specific data is present
Dec 01 15:28:25.381 INFO running `"docker" "inspect" "d2803bbf4fa20ac4d3d9af3cb67305d5d8ae5d4cae6ab2a0f1ec7aa1d0226fd1"`
Dec 01 15:28:25.647 INFO running `"docker" "rm" "-f" "d2803bbf4fa20ac4d3d9af3cb67305d5d8ae5d4cae6ab2a0f1ec7aa1d0226fd1"`
Dec 01 15:28:25.851 INFO [stdout] d2803bbf4fa20ac4d3d9af3cb67305d5d8ae5d4cae6ab2a0f1ec7aa1d0226fd1
Dec 01 15:28:25.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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"`
Dec 01 15:28:26.204 INFO [stdout] 42e0647c3b79c0311ae8767b8e66036b188e3189706df7a77c4568c67da9526b
Dec 01 15:28:26.206 INFO running `"docker" "start" "-a" "42e0647c3b79c0311ae8767b8e66036b188e3189706df7a77c4568c67da9526b"`
Dec 01 15:28:28.390 INFO [stderr] usermod: no changes
Dec 01 15:28:28.535 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
Dec 01 15:28:28.543 INFO [stderr]      Running /target/debug/deps/blockchain-00c2037b9f2897f9
Dec 01 15:28:28.547 INFO [stdout] 
Dec 01 15:28:28.547 INFO [stdout] running 0 tests
Dec 01 15:28:28.547 INFO [stdout] 
Dec 01 15:28:28.547 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 15:28:28.547 INFO [stdout] 
Dec 01 15:28:28.547 INFO [stderr] su: No module specific data is present
Dec 01 15:28:29.791 INFO running `"docker" "inspect" "42e0647c3b79c0311ae8767b8e66036b188e3189706df7a77c4568c67da9526b"`
Dec 01 15:28:30.068 INFO running `"docker" "rm" "-f" "42e0647c3b79c0311ae8767b8e66036b188e3189706df7a77c4568c67da9526b"`
Dec 01 15:28:30.473 INFO [stdout] 42e0647c3b79c0311ae8767b8e66036b188e3189706df7a77c4568c67da9526b
