Dec 06 01:53:20.573 INFO testing dennisfurrer/RustBlockchain against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 01:53:20.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 06 01:53:21.214 INFO [stdout] f4a4ca06480a0d02ab37cad5f2a48261bcf27030546a0aa31f82e57cf64628f2
Dec 06 01:53:21.216 INFO running `"docker" "start" "-a" "f4a4ca06480a0d02ab37cad5f2a48261bcf27030546a0aa31f82e57cf64628f2"`
Dec 06 01:53:22.279 INFO [stderr] usermod: no changes
Dec 06 01:53:22.452 INFO [stderr]    Compiling sha2 v0.7.1
Dec 06 01:53:23.092 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 06 01:53:23.715 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.716 INFO [stderr]   --> src/main.rs:18:5
Dec 06 01:53:23.716 INFO [stderr]    |
Dec 06 01:53:23.716 INFO [stderr] 18 |     io::stdout().flush();
Dec 06 01:53:23.716 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.716 INFO [stderr]    |
Dec 06 01:53:23.716 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 01:53:23.716 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.716 INFO [stderr] 
Dec 06 01:53:23.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.717 INFO [stderr]   --> src/main.rs:19:5
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Dec 06 01:53:23.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.717 INFO [stderr] 
Dec 06 01:53:23.717 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.717 INFO [stderr]   --> src/main.rs:21:5
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr] 21 |     io::stdout().flush();
Dec 06 01:53:23.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.717 INFO [stderr] 
Dec 06 01:53:23.717 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.717 INFO [stderr]   --> src/main.rs:22:5
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 06 01:53:23.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.717 INFO [stderr] 
Dec 06 01:53:23.717 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.717 INFO [stderr]   --> src/main.rs:38:9
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr] 38 |         io::stdout().flush();
Dec 06 01:53:23.717 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.717 INFO [stderr] 
Dec 06 01:53:23.717 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.717 INFO [stderr]   --> src/main.rs:40:9
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.717 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Dec 06 01:53:23.717 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.717 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]   --> src/main.rs:71:17
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr] 71 |                 io::stdout().flush();
Dec 06 01:53:23.718 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]   --> src/main.rs:72:17
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Dec 06 01:53:23.718 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]   --> src/main.rs:74:17
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr] 74 |                 io::stdout().flush();
Dec 06 01:53:23.718 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]   --> src/main.rs:75:17
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Dec 06 01:53:23.718 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]   --> src/main.rs:77:17
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr] 77 |                 io::stdout().flush();
Dec 06 01:53:23.718 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]   --> src/main.rs:78:17
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Dec 06 01:53:23.718 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]    |
Dec 06 01:53:23.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]    --> src/main.rs:106:17
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr] 106 |                 io::stdout().flush();
Dec 06 01:53:23.718 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]    --> src/main.rs:107:17
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Dec 06 01:53:23.718 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]    --> src/main.rs:119:17
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr] 119 |                 io::stdout().flush();
Dec 06 01:53:23.718 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:23.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:23.718 INFO [stderr]    --> src/main.rs:120:17
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Dec 06 01:53:23.718 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:23.718 INFO [stderr]     |
Dec 06 01:53:23.718 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:23.718 INFO [stderr] 
Dec 06 01:53:24.514 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Dec 06 01:53:24.517 INFO [stderr] su: No module specific data is present
Dec 06 01:53:24.829 INFO running `"docker" "inspect" "f4a4ca06480a0d02ab37cad5f2a48261bcf27030546a0aa31f82e57cf64628f2"`
Dec 06 01:53:24.980 INFO running `"docker" "rm" "-f" "f4a4ca06480a0d02ab37cad5f2a48261bcf27030546a0aa31f82e57cf64628f2"`
Dec 06 01:53:25.260 INFO [stdout] f4a4ca06480a0d02ab37cad5f2a48261bcf27030546a0aa31f82e57cf64628f2
Dec 06 01:53:25.262 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 06 01:53:25.648 INFO [stdout] e13cf041d0ace14a8e3b49a3871dd545df4841f0e254d91f21e287af96a30791
Dec 06 01:53:25.650 INFO running `"docker" "start" "-a" "e13cf041d0ace14a8e3b49a3871dd545df4841f0e254d91f21e287af96a30791"`
Dec 06 01:53:27.228 INFO [stderr] usermod: no changes
Dec 06 01:53:27.296 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 06 01:53:27.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.773 INFO [stderr]   --> src/main.rs:18:5
Dec 06 01:53:27.773 INFO [stderr]    |
Dec 06 01:53:27.774 INFO [stderr] 18 |     io::stdout().flush();
Dec 06 01:53:27.774 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.774 INFO [stderr]    |
Dec 06 01:53:27.775 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 01:53:27.775 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.775 INFO [stderr] 
Dec 06 01:53:27.776 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.776 INFO [stderr]   --> src/main.rs:19:5
Dec 06 01:53:27.776 INFO [stderr]    |
Dec 06 01:53:27.777 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Dec 06 01:53:27.777 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.777 INFO [stderr]    |
Dec 06 01:53:27.778 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.778 INFO [stderr] 
Dec 06 01:53:27.778 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.778 INFO [stderr]   --> src/main.rs:21:5
Dec 06 01:53:27.785 INFO [stderr]    |
Dec 06 01:53:27.786 INFO [stderr] 21 |     io::stdout().flush();
Dec 06 01:53:27.786 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.786 INFO [stderr]    |
Dec 06 01:53:27.787 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.787 INFO [stderr] 
Dec 06 01:53:27.787 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.787 INFO [stderr]   --> src/main.rs:22:5
Dec 06 01:53:27.788 INFO [stderr]    |
Dec 06 01:53:27.788 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 06 01:53:27.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.789 INFO [stderr]    |
Dec 06 01:53:27.789 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.789 INFO [stderr] 
Dec 06 01:53:27.789 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.790 INFO [stderr]   --> src/main.rs:38:9
Dec 06 01:53:27.790 INFO [stderr]    |
Dec 06 01:53:27.790 INFO [stderr] 38 |         io::stdout().flush();
Dec 06 01:53:27.790 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.791 INFO [stderr]    |
Dec 06 01:53:27.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.791 INFO [stderr] 
Dec 06 01:53:27.791 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.792 INFO [stderr]   --> src/main.rs:40:9
Dec 06 01:53:27.792 INFO [stderr]    |
Dec 06 01:53:27.792 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Dec 06 01:53:27.793 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.793 INFO [stderr]    |
Dec 06 01:53:27.793 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.793 INFO [stderr] 
Dec 06 01:53:27.793 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.793 INFO [stderr]   --> src/main.rs:71:17
Dec 06 01:53:27.793 INFO [stderr]    |
Dec 06 01:53:27.793 INFO [stderr] 71 |                 io::stdout().flush();
Dec 06 01:53:27.793 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.793 INFO [stderr]    |
Dec 06 01:53:27.793 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.793 INFO [stderr] 
Dec 06 01:53:27.793 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.793 INFO [stderr]   --> src/main.rs:72:17
Dec 06 01:53:27.793 INFO [stderr]    |
Dec 06 01:53:27.793 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Dec 06 01:53:27.794 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.794 INFO [stderr]    |
Dec 06 01:53:27.794 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.794 INFO [stderr] 
Dec 06 01:53:27.794 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.794 INFO [stderr]   --> src/main.rs:74:17
Dec 06 01:53:27.794 INFO [stderr]    |
Dec 06 01:53:27.794 INFO [stderr] 74 |                 io::stdout().flush();
Dec 06 01:53:27.794 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.794 INFO [stderr]    |
Dec 06 01:53:27.794 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.794 INFO [stderr] 
Dec 06 01:53:27.794 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.794 INFO [stderr]   --> src/main.rs:75:17
Dec 06 01:53:27.794 INFO [stderr]    |
Dec 06 01:53:27.794 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Dec 06 01:53:27.794 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.794 INFO [stderr]    |
Dec 06 01:53:27.794 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.794 INFO [stderr] 
Dec 06 01:53:27.794 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.794 INFO [stderr]   --> src/main.rs:77:17
Dec 06 01:53:27.794 INFO [stderr]    |
Dec 06 01:53:27.794 INFO [stderr] 77 |                 io::stdout().flush();
Dec 06 01:53:27.795 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.795 INFO [stderr]    |
Dec 06 01:53:27.795 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.795 INFO [stderr] 
Dec 06 01:53:27.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.795 INFO [stderr]   --> src/main.rs:78:17
Dec 06 01:53:27.795 INFO [stderr]    |
Dec 06 01:53:27.795 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Dec 06 01:53:27.795 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.795 INFO [stderr]    |
Dec 06 01:53:27.795 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.795 INFO [stderr] 
Dec 06 01:53:27.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.795 INFO [stderr]    --> src/main.rs:106:17
Dec 06 01:53:27.795 INFO [stderr]     |
Dec 06 01:53:27.795 INFO [stderr] 106 |                 io::stdout().flush();
Dec 06 01:53:27.795 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.795 INFO [stderr]     |
Dec 06 01:53:27.795 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.795 INFO [stderr] 
Dec 06 01:53:27.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.795 INFO [stderr]    --> src/main.rs:107:17
Dec 06 01:53:27.795 INFO [stderr]     |
Dec 06 01:53:27.795 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Dec 06 01:53:27.795 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.795 INFO [stderr]     |
Dec 06 01:53:27.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.796 INFO [stderr] 
Dec 06 01:53:27.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.796 INFO [stderr]    --> src/main.rs:119:17
Dec 06 01:53:27.796 INFO [stderr]     |
Dec 06 01:53:27.796 INFO [stderr] 119 |                 io::stdout().flush();
Dec 06 01:53:27.796 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.796 INFO [stderr]     |
Dec 06 01:53:27.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.796 INFO [stderr] 
Dec 06 01:53:27.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 01:53:27.796 INFO [stderr]    --> src/main.rs:120:17
Dec 06 01:53:27.796 INFO [stderr]     |
Dec 06 01:53:27.796 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Dec 06 01:53:27.796 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:53:27.796 INFO [stderr]     |
Dec 06 01:53:27.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 01:53:27.796 INFO [stderr] 
Dec 06 01:53:28.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 06 01:53:28.142 INFO [stderr] su: No module specific data is present
Dec 06 01:53:28.743 INFO running `"docker" "inspect" "e13cf041d0ace14a8e3b49a3871dd545df4841f0e254d91f21e287af96a30791"`
Dec 06 01:53:28.864 INFO running `"docker" "rm" "-f" "e13cf041d0ace14a8e3b49a3871dd545df4841f0e254d91f21e287af96a30791"`
Dec 06 01:53:28.965 INFO [stdout] e13cf041d0ace14a8e3b49a3871dd545df4841f0e254d91f21e287af96a30791
Dec 06 01:53:28.967 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 06 01:53:29.119 INFO [stdout] 81ac871811f5bad924c4782e64f3b93d8485fd412e7af9912518ab4f36795dde
Dec 06 01:53:29.120 INFO running `"docker" "start" "-a" "81ac871811f5bad924c4782e64f3b93d8485fd412e7af9912518ab4f36795dde"`
Dec 06 01:53:29.574 INFO [stderr] usermod: no changes
Dec 06 01:53:29.625 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 01:53:29.626 INFO [stderr]      Running /target/debug/deps/blockchain-c1140ed800f39274
Dec 06 01:53:29.628 INFO [stdout] 
Dec 06 01:53:29.628 INFO [stdout] running 0 tests
Dec 06 01:53:29.628 INFO [stdout] 
Dec 06 01:53:29.628 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 01:53:29.628 INFO [stdout] 
Dec 06 01:53:29.630 INFO [stderr] su: No module specific data is present
Dec 06 01:53:29.889 INFO running `"docker" "inspect" "81ac871811f5bad924c4782e64f3b93d8485fd412e7af9912518ab4f36795dde"`
Dec 06 01:53:29.986 INFO running `"docker" "rm" "-f" "81ac871811f5bad924c4782e64f3b93d8485fd412e7af9912518ab4f36795dde"`
Dec 06 01:53:30.100 INFO [stdout] 81ac871811f5bad924c4782e64f3b93d8485fd412e7af9912518ab4f36795dde