Oct 15 00:50:40.744 INFO testing christiansakai/toy_blockchain_rust against try#40d4795669493f1965de7c44029c69552134fe1f for rustdoc-test-static-cling-1
Oct 15 00:50:40.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-4/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"`
Oct 15 00:50:41.091 INFO blam! dc3d9ec14b1398c91cf24d3f5b1cc9d5cbc5e5a131621516801aca21ef4aca49
Oct 15 00:50:41.094 INFO running `"docker" "start" "-a" "dc3d9ec14b1398c91cf24d3f5b1cc9d5cbc5e5a131621516801aca21ef4aca49"`
Oct 15 00:50:42.191 INFO kablam! usermod: no changes
Oct 15 00:50:42.335 INFO kablam!    Compiling syn v0.14.9
Oct 15 00:50:52.386 INFO kablam!    Compiling serde_derive v1.0.75
Oct 15 00:51:07.011 INFO kablam!    Compiling toy_blockchain v0.1.0 (/source)
Oct 15 00:51:07.931 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.931 INFO kablam!   --> src/main.rs:16:5
Oct 15 00:51:07.931 INFO kablam!    |
Oct 15 00:51:07.931 INFO kablam! 16 |     io::stdout().flush();
Oct 15 00:51:07.931 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.931 INFO kablam!    |
Oct 15 00:51:07.931 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 15 00:51:07.931 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.931 INFO kablam! 
Oct 15 00:51:07.931 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.931 INFO kablam!   --> src/main.rs:17:5
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam! 17 |     io::stdin().read_line(&mut miner_address);
Oct 15 00:51:07.932 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.932 INFO kablam! 
Oct 15 00:51:07.932 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.932 INFO kablam!   --> src/main.rs:19:5
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam! 19 |     io::stdout().flush();
Oct 15 00:51:07.932 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.932 INFO kablam! 
Oct 15 00:51:07.932 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.932 INFO kablam!   --> src/main.rs:20:5
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam! 20 |     io::stdin().read_line(&mut difficulty);
Oct 15 00:51:07.932 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.932 INFO kablam! 
Oct 15 00:51:07.932 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.932 INFO kablam!   --> src/main.rs:38:9
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam! 38 |         io::stdout().flush();
Oct 15 00:51:07.932 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.932 INFO kablam!    |
Oct 15 00:51:07.932 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.932 INFO kablam! 
Oct 15 00:51:07.932 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.932 INFO kablam!   --> src/main.rs:41:9
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam! 41 |         io::stdin().read_line(&mut choice);
Oct 15 00:51:07.938 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.938 INFO kablam! 
Oct 15 00:51:07.938 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.938 INFO kablam!   --> src/main.rs:57:17
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam! 57 |                 io::stdout().flush();
Oct 15 00:51:07.938 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.938 INFO kablam! 
Oct 15 00:51:07.938 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.938 INFO kablam!   --> src/main.rs:58:17
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam! 58 |                 io::stdin().read_line(&mut sender);
Oct 15 00:51:07.938 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.938 INFO kablam! 
Oct 15 00:51:07.938 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.938 INFO kablam!   --> src/main.rs:60:17
Oct 15 00:51:07.938 INFO kablam!    |
Oct 15 00:51:07.938 INFO kablam! 60 |                 io::stdout().flush();
Oct 15 00:51:07.939 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!   --> src/main.rs:61:17
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam! 61 |                 io::stdin().read_line(&mut receiver);
Oct 15 00:51:07.939 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!   --> src/main.rs:63:17
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam! 63 |                 io::stdout().flush();
Oct 15 00:51:07.939 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!   --> src/main.rs:64:17
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam! 64 |                 io::stdin().read_line(&mut amount);
Oct 15 00:51:07.939 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!   --> src/main.rs:90:17
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam! 90 |                 io::stdout().flush();
Oct 15 00:51:07.939 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!   --> src/main.rs:91:17
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam! 91 |                 io::stdin().read_line(&mut new_difficulty);
Oct 15 00:51:07.939 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!    |
Oct 15 00:51:07.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!    --> src/main.rs:105:17
Oct 15 00:51:07.939 INFO kablam!     |
Oct 15 00:51:07.939 INFO kablam! 105 |                 io::stdout().flush();
Oct 15 00:51:07.939 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!     |
Oct 15 00:51:07.939 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:07.939 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:07.939 INFO kablam!    --> src/main.rs:106:17
Oct 15 00:51:07.939 INFO kablam!     |
Oct 15 00:51:07.939 INFO kablam! 106 |                 io::stdin().read_line(&mut new_reward);
Oct 15 00:51:07.939 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:07.939 INFO kablam!     |
Oct 15 00:51:07.939 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:07.939 INFO kablam! 
Oct 15 00:51:09.727 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.51s
Oct 15 00:51:09.731 INFO kablam! su: No module specific data is present
Oct 15 00:51:11.169 INFO running `"docker" "rm" "-f" "dc3d9ec14b1398c91cf24d3f5b1cc9d5cbc5e5a131621516801aca21ef4aca49"`
Oct 15 00:51:11.415 INFO blam! dc3d9ec14b1398c91cf24d3f5b1cc9d5cbc5e5a131621516801aca21ef4aca49
Oct 15 00:51:11.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-4/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"`
Oct 15 00:51:11.847 INFO blam! 8fe3ee249757e49ff952a4890d6ff83b92f3bae0676d32a1d1bbdd94b80b2503
Oct 15 00:51:11.853 INFO running `"docker" "start" "-a" "8fe3ee249757e49ff952a4890d6ff83b92f3bae0676d32a1d1bbdd94b80b2503"`
Oct 15 00:51:13.323 INFO kablam! usermod: no changes
Oct 15 00:51:13.426 INFO kablam!    Compiling toy_blockchain v0.1.0 (/source)
Oct 15 00:51:14.300 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.301 INFO kablam!   --> src/main.rs:16:5
Oct 15 00:51:14.302 INFO kablam!    |
Oct 15 00:51:14.302 INFO kablam! 16 |     io::stdout().flush();
Oct 15 00:51:14.303 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.303 INFO kablam!    |
Oct 15 00:51:14.303 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 15 00:51:14.303 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.304 INFO kablam! 
Oct 15 00:51:14.304 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.305 INFO kablam!   --> src/main.rs:17:5
Oct 15 00:51:14.305 INFO kablam!    |
Oct 15 00:51:14.305 INFO kablam! 17 |     io::stdin().read_line(&mut miner_address);
Oct 15 00:51:14.305 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.305 INFO kablam!    |
Oct 15 00:51:14.306 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.306 INFO kablam! 
Oct 15 00:51:14.306 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.306 INFO kablam!   --> src/main.rs:19:5
Oct 15 00:51:14.306 INFO kablam!    |
Oct 15 00:51:14.307 INFO kablam! 19 |     io::stdout().flush();
Oct 15 00:51:14.307 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.307 INFO kablam!    |
Oct 15 00:51:14.307 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.307 INFO kablam! 
Oct 15 00:51:14.307 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.308 INFO kablam!   --> src/main.rs:20:5
Oct 15 00:51:14.308 INFO kablam!    |
Oct 15 00:51:14.308 INFO kablam! 20 |     io::stdin().read_line(&mut difficulty);
Oct 15 00:51:14.308 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.308 INFO kablam!    |
Oct 15 00:51:14.308 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.308 INFO kablam! 
Oct 15 00:51:14.308 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.308 INFO kablam!   --> src/main.rs:38:9
Oct 15 00:51:14.308 INFO kablam!    |
Oct 15 00:51:14.308 INFO kablam! 38 |         io::stdout().flush();
Oct 15 00:51:14.308 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:41:9
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 41 |         io::stdin().read_line(&mut choice);
Oct 15 00:51:14.310 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:57:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 57 |                 io::stdout().flush();
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:58:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 58 |                 io::stdin().read_line(&mut sender);
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:60:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 60 |                 io::stdout().flush();
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:61:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 61 |                 io::stdin().read_line(&mut receiver);
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:63:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 63 |                 io::stdout().flush();
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:64:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 64 |                 io::stdin().read_line(&mut amount);
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.310 INFO kablam! 
Oct 15 00:51:14.310 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.310 INFO kablam!   --> src/main.rs:90:17
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam! 90 |                 io::stdout().flush();
Oct 15 00:51:14.310 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.310 INFO kablam!    |
Oct 15 00:51:14.310 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.311 INFO kablam! 
Oct 15 00:51:14.311 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.311 INFO kablam!   --> src/main.rs:91:17
Oct 15 00:51:14.311 INFO kablam!    |
Oct 15 00:51:14.311 INFO kablam! 91 |                 io::stdin().read_line(&mut new_difficulty);
Oct 15 00:51:14.311 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.311 INFO kablam!    |
Oct 15 00:51:14.311 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.311 INFO kablam! 
Oct 15 00:51:14.311 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.311 INFO kablam!    --> src/main.rs:105:17
Oct 15 00:51:14.311 INFO kablam!     |
Oct 15 00:51:14.311 INFO kablam! 105 |                 io::stdout().flush();
Oct 15 00:51:14.311 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.311 INFO kablam!     |
Oct 15 00:51:14.311 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.311 INFO kablam! 
Oct 15 00:51:14.311 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 00:51:14.311 INFO kablam!    --> src/main.rs:106:17
Oct 15 00:51:14.311 INFO kablam!     |
Oct 15 00:51:14.311 INFO kablam! 106 |                 io::stdin().read_line(&mut new_reward);
Oct 15 00:51:14.311 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 00:51:14.311 INFO kablam!     |
Oct 15 00:51:14.311 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 00:51:14.311 INFO kablam! 
Oct 15 00:51:14.904 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Oct 15 00:51:14.919 INFO kablam! su: No module specific data is present
Oct 15 00:51:16.398 INFO running `"docker" "rm" "-f" "8fe3ee249757e49ff952a4890d6ff83b92f3bae0676d32a1d1bbdd94b80b2503"`
Oct 15 00:51:16.667 INFO blam! 8fe3ee249757e49ff952a4890d6ff83b92f3bae0676d32a1d1bbdd94b80b2503
Oct 15 00:51:16.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-4/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"`
Oct 15 00:51:17.099 INFO blam! 1caeb25f7a9b0f49821b9f3165db415491d064de8fe8e2ce4ec7b5392ca12497
Oct 15 00:51:17.103 INFO running `"docker" "start" "-a" "1caeb25f7a9b0f49821b9f3165db415491d064de8fe8e2ce4ec7b5392ca12497"`
Oct 15 00:51:18.724 INFO kablam! usermod: no changes
Oct 15 00:51:18.815 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Oct 15 00:51:18.843 INFO kablam!      Running /target/debug/deps/toy_blockchain-83050a9f934e5325
Oct 15 00:51:18.843 INFO kablam! su: No module specific data is present
Oct 15 00:51:18.843 INFO blam! 
Oct 15 00:51:18.843 INFO blam! running 0 tests
Oct 15 00:51:18.843 INFO blam! 
Oct 15 00:51:18.843 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 15 00:51:18.843 INFO blam! 
Oct 15 00:51:19.760 INFO running `"docker" "rm" "-f" "1caeb25f7a9b0f49821b9f3165db415491d064de8fe8e2ce4ec7b5392ca12497"`
Oct 15 00:51:20.091 INFO blam! 1caeb25f7a9b0f49821b9f3165db415491d064de8fe8e2ce4ec7b5392ca12497