Oct 11 01:17:34.787 INFO testing christiansakai/toy_blockchain_rust against master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513 for rustdoc-test-static-cling
Oct 11 01:17:34.787 INFO running: cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt build --frozen
Oct 11 01:17:34.787 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/rustdoc-test-static-cling/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling/worker-5/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,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" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt build --frozen" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "--network" "none" "crater"`
Oct 11 01:17:35.179 INFO blam! 39e156778bc5a01745958989a2a196bb7724aca0daa36eb9224fe98a01df60f1
Oct 11 01:17:35.184 INFO running `"docker" "start" "-a" "39e156778bc5a01745958989a2a196bb7724aca0daa36eb9224fe98a01df60f1"`
Oct 11 01:17:36.126 INFO kablam! usermod: no changes
Oct 11 01:17:36.241 INFO kablam!    Compiling toy_blockchain v0.1.0 (/source)
Oct 11 01:17:37.896 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.896 INFO kablam!   --> src/main.rs:16:5
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam! 16 |     io::stdout().flush();
Oct 11 01:17:37.896 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 11 01:17:37.896 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.896 INFO kablam! 
Oct 11 01:17:37.896 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.896 INFO kablam!   --> src/main.rs:17:5
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam! 17 |     io::stdin().read_line(&mut miner_address);
Oct 11 01:17:37.896 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.896 INFO kablam! 
Oct 11 01:17:37.896 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.896 INFO kablam!   --> src/main.rs:19:5
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam! 19 |     io::stdout().flush();
Oct 11 01:17:37.896 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.896 INFO kablam! 
Oct 11 01:17:37.896 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.896 INFO kablam!   --> src/main.rs:20:5
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam! 20 |     io::stdin().read_line(&mut difficulty);
Oct 11 01:17:37.896 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.896 INFO kablam!    |
Oct 11 01:17:37.896 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.896 INFO kablam! 
Oct 11 01:17:37.896 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.896 INFO kablam!   --> src/main.rs:38:9
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 38 |         io::stdout().flush();
Oct 11 01:17:37.897 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:41:9
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 41 |         io::stdin().read_line(&mut choice);
Oct 11 01:17:37.897 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:57:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 57 |                 io::stdout().flush();
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:58:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 58 |                 io::stdin().read_line(&mut sender);
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:60:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 60 |                 io::stdout().flush();
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:61:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 61 |                 io::stdin().read_line(&mut receiver);
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:63:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 63 |                 io::stdout().flush();
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:64:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 64 |                 io::stdin().read_line(&mut amount);
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:90:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 90 |                 io::stdout().flush();
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!   --> src/main.rs:91:17
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam! 91 |                 io::stdin().read_line(&mut new_difficulty);
Oct 11 01:17:37.897 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!    |
Oct 11 01:17:37.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.897 INFO kablam!    --> src/main.rs:105:17
Oct 11 01:17:37.897 INFO kablam!     |
Oct 11 01:17:37.897 INFO kablam! 105 |                 io::stdout().flush();
Oct 11 01:17:37.897 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.897 INFO kablam!     |
Oct 11 01:17:37.897 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.897 INFO kablam! 
Oct 11 01:17:37.898 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:37.898 INFO kablam!    --> src/main.rs:106:17
Oct 11 01:17:37.898 INFO kablam!     |
Oct 11 01:17:37.898 INFO kablam! 106 |                 io::stdin().read_line(&mut new_reward);
Oct 11 01:17:37.898 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:37.898 INFO kablam!     |
Oct 11 01:17:37.898 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:37.898 INFO kablam! 
Oct 11 01:17:38.896 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
Oct 11 01:17:38.900 INFO kablam! su: No module specific data is present
Oct 11 01:17:39.533 INFO running `"docker" "rm" "-f" "39e156778bc5a01745958989a2a196bb7724aca0daa36eb9224fe98a01df60f1"`
Oct 11 01:17:39.808 INFO blam! 39e156778bc5a01745958989a2a196bb7724aca0daa36eb9224fe98a01df60f1
Oct 11 01:17:39.813 INFO running: cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt test --frozen --no-run
Oct 11 01:17:39.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/rustdoc-test-static-cling/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling/worker-5/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,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" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt test --frozen --no-run" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "--network" "none" "crater"`
Oct 11 01:17:40.256 INFO blam! 8c4b6936a78e07c7617e7d90438e48bf4d48826d5c575c69388244efdf5f480b
Oct 11 01:17:40.258 INFO running `"docker" "start" "-a" "8c4b6936a78e07c7617e7d90438e48bf4d48826d5c575c69388244efdf5f480b"`
Oct 11 01:17:40.907 INFO kablam! usermod: no changes
Oct 11 01:17:40.964 INFO kablam!    Compiling toy_blockchain v0.1.0 (/source)
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:16:5
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 16 |     io::stdout().flush();
Oct 11 01:17:42.441 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:17:5
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 17 |     io::stdin().read_line(&mut miner_address);
Oct 11 01:17:42.441 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:19:5
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 19 |     io::stdout().flush();
Oct 11 01:17:42.441 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:20:5
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 20 |     io::stdin().read_line(&mut difficulty);
Oct 11 01:17:42.441 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:38:9
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 38 |         io::stdout().flush();
Oct 11 01:17:42.441 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:41:9
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 41 |         io::stdin().read_line(&mut choice);
Oct 11 01:17:42.441 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:57:17
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 57 |                 io::stdout().flush();
Oct 11 01:17:42.441 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:58:17
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 58 |                 io::stdin().read_line(&mut sender);
Oct 11 01:17:42.441 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.441 INFO kablam!   --> src/main.rs:60:17
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam! 60 |                 io::stdout().flush();
Oct 11 01:17:42.441 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.441 INFO kablam!    |
Oct 11 01:17:42.441 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.441 INFO kablam! 
Oct 11 01:17:42.441 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!   --> src/main.rs:61:17
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam! 61 |                 io::stdin().read_line(&mut receiver);
Oct 11 01:17:42.442 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.442 INFO kablam! 
Oct 11 01:17:42.442 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!   --> src/main.rs:63:17
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam! 63 |                 io::stdout().flush();
Oct 11 01:17:42.442 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.442 INFO kablam! 
Oct 11 01:17:42.442 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!   --> src/main.rs:64:17
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam! 64 |                 io::stdin().read_line(&mut amount);
Oct 11 01:17:42.442 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.442 INFO kablam! 
Oct 11 01:17:42.442 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!   --> src/main.rs:90:17
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam! 90 |                 io::stdout().flush();
Oct 11 01:17:42.442 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.442 INFO kablam! 
Oct 11 01:17:42.442 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!   --> src/main.rs:91:17
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam! 91 |                 io::stdin().read_line(&mut new_difficulty);
Oct 11 01:17:42.442 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!    |
Oct 11 01:17:42.442 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.442 INFO kablam! 
Oct 11 01:17:42.442 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!    --> src/main.rs:105:17
Oct 11 01:17:42.442 INFO kablam!     |
Oct 11 01:17:42.442 INFO kablam! 105 |                 io::stdout().flush();
Oct 11 01:17:42.442 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!     |
Oct 11 01:17:42.442 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.442 INFO kablam! 
Oct 11 01:17:42.442 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 11 01:17:42.442 INFO kablam!    --> src/main.rs:106:17
Oct 11 01:17:42.442 INFO kablam!     |
Oct 11 01:17:42.442 INFO kablam! 106 |                 io::stdin().read_line(&mut new_reward);
Oct 11 01:17:42.442 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 11 01:17:42.442 INFO kablam!     |
Oct 11 01:17:42.448 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 11 01:17:42.448 INFO kablam! 
Oct 11 01:17:42.885 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Oct 11 01:17:42.890 INFO kablam! su: No module specific data is present
Oct 11 01:17:43.469 INFO running `"docker" "rm" "-f" "8c4b6936a78e07c7617e7d90438e48bf4d48826d5c575c69388244efdf5f480b"`
Oct 11 01:17:43.720 INFO blam! 8c4b6936a78e07c7617e7d90438e48bf4d48826d5c575c69388244efdf5f480b
Oct 11 01:17:43.728 INFO running: cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt test --frozen
Oct 11 01:17:43.728 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/rustdoc-test-static-cling/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling/worker-5/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,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" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt test --frozen" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "--network" "none" "crater"`
Oct 11 01:17:44.134 INFO blam! ce2be39c1db1d8afed2bfbd67dce489f6eec6c448bc86e08f3726be97d16e84c
Oct 11 01:17:44.136 INFO running `"docker" "start" "-a" "ce2be39c1db1d8afed2bfbd67dce489f6eec6c448bc86e08f3726be97d16e84c"`
Oct 11 01:17:44.940 INFO kablam! usermod: no changes
Oct 11 01:17:45.032 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Oct 11 01:17:45.044 INFO kablam!      Running /target/debug/deps/toy_blockchain-cc71272f177b5c02
Oct 11 01:17:45.052 INFO kablam! su: No module specific data is present
Oct 11 01:17:45.052 INFO blam! 
Oct 11 01:17:45.052 INFO blam! running 0 tests
Oct 11 01:17:45.052 INFO blam! 
Oct 11 01:17:45.052 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 11 01:17:45.052 INFO blam! 
Oct 11 01:17:45.616 INFO running `"docker" "rm" "-f" "ce2be39c1db1d8afed2bfbd67dce489f6eec6c448bc86e08f3726be97d16e84c"`
Oct 11 01:17:45.884 INFO blam! ce2be39c1db1d8afed2bfbd67dce489f6eec6c448bc86e08f3726be97d16e84c