Dec 01 19:39:37.549 INFO testing dennisfurrer/RustBlockchain against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 19:39:37.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 19:39:38.095 INFO [stdout] 28db2dc996dcf08a7462bed2d99aa38eeab6b160c6f81e3b715706e961f04320
Dec 01 19:39:38.097 INFO running `"docker" "start" "-a" "28db2dc996dcf08a7462bed2d99aa38eeab6b160c6f81e3b715706e961f04320"`
Dec 01 19:39:39.625 INFO [stderr] usermod: no changes
Dec 01 19:39:39.783 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 01 19:39:41.131 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.131 INFO [stderr]   --> src/main.rs:18:5
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.131 INFO [stderr] 18 |     io::stdout().flush();
Dec 01 19:39:41.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.131 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 19:39:41.131 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.131 INFO [stderr] 
Dec 01 19:39:41.131 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.131 INFO [stderr]   --> src/main.rs:19:5
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.131 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Dec 01 19:39:41.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.131 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.131 INFO [stderr] 
Dec 01 19:39:41.131 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.131 INFO [stderr]   --> src/main.rs:21:5
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.131 INFO [stderr] 21 |     io::stdout().flush();
Dec 01 19:39:41.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.131 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.131 INFO [stderr] 
Dec 01 19:39:41.131 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.131 INFO [stderr]   --> src/main.rs:22:5
Dec 01 19:39:41.131 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 01 19:39:41.132 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:38:9
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 38 |         io::stdout().flush();
Dec 01 19:39:41.132 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:40:9
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Dec 01 19:39:41.132 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:71:17
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 71 |                 io::stdout().flush();
Dec 01 19:39:41.132 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:72:17
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Dec 01 19:39:41.132 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:74:17
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 74 |                 io::stdout().flush();
Dec 01 19:39:41.132 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:75:17
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Dec 01 19:39:41.132 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:77:17
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 77 |                 io::stdout().flush();
Dec 01 19:39:41.132 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]   --> src/main.rs:78:17
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Dec 01 19:39:41.132 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]    |
Dec 01 19:39:41.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]    --> src/main.rs:106:17
Dec 01 19:39:41.132 INFO [stderr]     |
Dec 01 19:39:41.132 INFO [stderr] 106 |                 io::stdout().flush();
Dec 01 19:39:41.132 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]     |
Dec 01 19:39:41.132 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]    --> src/main.rs:107:17
Dec 01 19:39:41.132 INFO [stderr]     |
Dec 01 19:39:41.132 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Dec 01 19:39:41.132 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]     |
Dec 01 19:39:41.132 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.132 INFO [stderr]    --> src/main.rs:119:17
Dec 01 19:39:41.132 INFO [stderr]     |
Dec 01 19:39:41.132 INFO [stderr] 119 |                 io::stdout().flush();
Dec 01 19:39:41.132 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.132 INFO [stderr]     |
Dec 01 19:39:41.132 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.132 INFO [stderr] 
Dec 01 19:39:41.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:41.133 INFO [stderr]    --> src/main.rs:120:17
Dec 01 19:39:41.133 INFO [stderr]     |
Dec 01 19:39:41.133 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Dec 01 19:39:41.133 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:41.133 INFO [stderr]     |
Dec 01 19:39:41.133 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:41.133 INFO [stderr] 
Dec 01 19:39:42.483 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Dec 01 19:39:42.489 INFO [stderr] su: No module specific data is present
Dec 01 19:39:43.101 INFO running `"docker" "inspect" "28db2dc996dcf08a7462bed2d99aa38eeab6b160c6f81e3b715706e961f04320"`
Dec 01 19:39:43.433 INFO running `"docker" "rm" "-f" "28db2dc996dcf08a7462bed2d99aa38eeab6b160c6f81e3b715706e961f04320"`
Dec 01 19:39:43.743 INFO [stdout] 28db2dc996dcf08a7462bed2d99aa38eeab6b160c6f81e3b715706e961f04320
Dec 01 19:39:43.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 19:39:44.268 INFO [stdout] 4d4a9552a0820f3cbc26312a0e438340a47ba872133909470fb09da98310b255
Dec 01 19:39:44.272 INFO running `"docker" "start" "-a" "4d4a9552a0820f3cbc26312a0e438340a47ba872133909470fb09da98310b255"`
Dec 01 19:39:45.013 INFO [stderr] usermod: no changes
Dec 01 19:39:45.067 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 01 19:39:45.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.982 INFO [stderr]   --> src/main.rs:18:5
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr] 18 |     io::stdout().flush();
Dec 01 19:39:45.982 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 19:39:45.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.982 INFO [stderr] 
Dec 01 19:39:45.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.982 INFO [stderr]   --> src/main.rs:19:5
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Dec 01 19:39:45.982 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.982 INFO [stderr] 
Dec 01 19:39:45.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.982 INFO [stderr]   --> src/main.rs:21:5
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr] 21 |     io::stdout().flush();
Dec 01 19:39:45.982 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.982 INFO [stderr] 
Dec 01 19:39:45.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.982 INFO [stderr]   --> src/main.rs:22:5
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 01 19:39:45.982 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.982 INFO [stderr] 
Dec 01 19:39:45.982 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.982 INFO [stderr]   --> src/main.rs:38:9
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr] 38 |         io::stdout().flush();
Dec 01 19:39:45.982 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.982 INFO [stderr]    |
Dec 01 19:39:45.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:40:9
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Dec 01 19:39:45.983 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:71:17
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 71 |                 io::stdout().flush();
Dec 01 19:39:45.983 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:72:17
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Dec 01 19:39:45.983 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:74:17
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 74 |                 io::stdout().flush();
Dec 01 19:39:45.983 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:75:17
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Dec 01 19:39:45.983 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:77:17
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 77 |                 io::stdout().flush();
Dec 01 19:39:45.983 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]   --> src/main.rs:78:17
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Dec 01 19:39:45.983 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]    |
Dec 01 19:39:45.983 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]    --> src/main.rs:106:17
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr] 106 |                 io::stdout().flush();
Dec 01 19:39:45.983 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]    --> src/main.rs:107:17
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Dec 01 19:39:45.983 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]    --> src/main.rs:119:17
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr] 119 |                 io::stdout().flush();
Dec 01 19:39:45.983 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.983 INFO [stderr] 
Dec 01 19:39:45.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 19:39:45.983 INFO [stderr]    --> src/main.rs:120:17
Dec 01 19:39:45.983 INFO [stderr]     |
Dec 01 19:39:45.983 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Dec 01 19:39:45.983 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 19:39:45.984 INFO [stderr]     |
Dec 01 19:39:45.984 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 19:39:45.984 INFO [stderr] 
Dec 01 19:39:46.425 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 01 19:39:46.432 INFO [stderr] su: No module specific data is present
Dec 01 19:39:47.031 INFO running `"docker" "inspect" "4d4a9552a0820f3cbc26312a0e438340a47ba872133909470fb09da98310b255"`
Dec 01 19:39:47.235 INFO running `"docker" "rm" "-f" "4d4a9552a0820f3cbc26312a0e438340a47ba872133909470fb09da98310b255"`
Dec 01 19:39:47.479 INFO [stdout] 4d4a9552a0820f3cbc26312a0e438340a47ba872133909470fb09da98310b255
Dec 01 19:39:47.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 19:39:47.955 INFO [stdout] d910ab56b635d706a18f1d30bdb938377f5fb25dbf00977f1254130058e1f4bc
Dec 01 19:39:47.963 INFO running `"docker" "start" "-a" "d910ab56b635d706a18f1d30bdb938377f5fb25dbf00977f1254130058e1f4bc"`
Dec 01 19:39:48.843 INFO [stderr] usermod: no changes
Dec 01 19:39:48.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 01 19:39:48.948 INFO [stderr]      Running /target/debug/deps/blockchain-5e5c29c41c0c81d0
Dec 01 19:39:48.953 INFO [stdout] 
Dec 01 19:39:48.955 INFO [stdout] running 0 tests
Dec 01 19:39:48.955 INFO [stdout] 
Dec 01 19:39:48.955 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 19:39:48.955 INFO [stdout] 
Dec 01 19:39:48.955 INFO [stderr] su: No module specific data is present
Dec 01 19:39:49.527 INFO running `"docker" "inspect" "d910ab56b635d706a18f1d30bdb938377f5fb25dbf00977f1254130058e1f4bc"`
Dec 01 19:39:49.840 INFO running `"docker" "rm" "-f" "d910ab56b635d706a18f1d30bdb938377f5fb25dbf00977f1254130058e1f4bc"`
Dec 01 19:39:50.119 INFO [stdout] d910ab56b635d706a18f1d30bdb938377f5fb25dbf00977f1254130058e1f4bc
