Nov 16 21:29:28.046 INFO testing lempiy/blockchain against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 21:29:28.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 21:29:28.565 INFO [stdout] 44f09e1700a62201b4c9b3ea3bfa32345f3d58fd7a3018abab6ef17452786917
Nov 16 21:29:28.572 INFO running `"docker" "start" "-a" "44f09e1700a62201b4c9b3ea3bfa32345f3d58fd7a3018abab6ef17452786917"`
Nov 16 21:29:29.878 INFO [stderr] usermod: no changes
Nov 16 21:29:30.007 INFO [stderr]    Compiling serde v1.0.38
Nov 16 21:29:30.015 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Nov 16 21:29:36.650 INFO [stderr]    Compiling serde_derive v1.0.38
Nov 16 21:29:51.541 INFO [stderr]    Compiling serde_json v1.0.14
Nov 16 21:29:56.422 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:16:5
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 16 |     io::stdout().flush();
Nov 16 21:29:57.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:17:5
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 16 21:29:57.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:20:5
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 20 |     io::stdout().flush();
Nov 16 21:29:57.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:21:5
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 16 21:29:57.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:36:9
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 36 |         io::stdout().flush();
Nov 16 21:29:57.304 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:38:9
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Nov 16 21:29:57.304 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:54:17
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 54 |                 io::stdout().flush();
Nov 16 21:29:57.304 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:55:17
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Nov 16 21:29:57.304 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:58:17
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 58 |                 io::stdout().flush();
Nov 16 21:29:57.304 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.304 INFO [stderr] 
Nov 16 21:29:57.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.304 INFO [stderr]   --> src/main.rs:59:17
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.304 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Nov 16 21:29:57.304 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.304 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:57.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.305 INFO [stderr]   --> src/main.rs:62:17
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr] 62 |                 io::stdout().flush();
Nov 16 21:29:57.305 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:57.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.305 INFO [stderr]   --> src/main.rs:63:17
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Nov 16 21:29:57.305 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:57.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.305 INFO [stderr]   --> src/main.rs:85:17
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr] 85 |                 io::stdout().flush();
Nov 16 21:29:57.305 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:57.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.305 INFO [stderr]   --> src/main.rs:86:17
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Nov 16 21:29:57.305 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:57.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.305 INFO [stderr]   --> src/main.rs:96:17
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr] 96 |                 io::stdout().flush();
Nov 16 21:29:57.305 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:57.305 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:29:57.305 INFO [stderr]   --> src/main.rs:97:17
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Nov 16 21:29:57.305 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:29:57.305 INFO [stderr]    |
Nov 16 21:29:57.305 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:29:57.305 INFO [stderr] 
Nov 16 21:29:58.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.79s
Nov 16 21:29:58.698 INFO [stderr] su: No module specific data is present
Nov 16 21:30:00.159 INFO running `"docker" "inspect" "44f09e1700a62201b4c9b3ea3bfa32345f3d58fd7a3018abab6ef17452786917"`
Nov 16 21:30:00.515 INFO running `"docker" "rm" "-f" "44f09e1700a62201b4c9b3ea3bfa32345f3d58fd7a3018abab6ef17452786917"`
Nov 16 21:30:00.831 INFO [stdout] 44f09e1700a62201b4c9b3ea3bfa32345f3d58fd7a3018abab6ef17452786917
Nov 16 21:30:00.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 21:30:01.381 INFO [stdout] 674fa3abdfd56bbc792e14475f5e9593c7c3dbc20b763a89915c92c7c8760107
Nov 16 21:30:01.384 INFO running `"docker" "start" "-a" "674fa3abdfd56bbc792e14475f5e9593c7c3dbc20b763a89915c92c7c8760107"`
Nov 16 21:30:03.622 INFO [stderr] usermod: no changes
Nov 16 21:30:03.749 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 16 21:30:04.514 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.514 INFO [stderr]   --> src/main.rs:16:5
Nov 16 21:30:04.514 INFO [stderr]    |
Nov 16 21:30:04.514 INFO [stderr] 16 |     io::stdout().flush();
Nov 16 21:30:04.514 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.514 INFO [stderr]    |
Nov 16 21:30:04.514 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 21:30:04.514 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.514 INFO [stderr] 
Nov 16 21:30:04.514 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.514 INFO [stderr]   --> src/main.rs:17:5
Nov 16 21:30:04.514 INFO [stderr]    |
Nov 16 21:30:04.514 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 16 21:30:04.514 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.514 INFO [stderr]    |
Nov 16 21:30:04.514 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.514 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:20:5
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 20 |     io::stdout().flush();
Nov 16 21:30:04.519 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.519 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:21:5
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 16 21:30:04.519 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.519 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:36:9
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 36 |         io::stdout().flush();
Nov 16 21:30:04.519 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.519 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:38:9
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Nov 16 21:30:04.519 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.519 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:54:17
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 54 |                 io::stdout().flush();
Nov 16 21:30:04.519 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.519 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:55:17
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Nov 16 21:30:04.519 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.519 INFO [stderr] 
Nov 16 21:30:04.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.519 INFO [stderr]   --> src/main.rs:58:17
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr] 58 |                 io::stdout().flush();
Nov 16 21:30:04.519 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.519 INFO [stderr]    |
Nov 16 21:30:04.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:59:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:62:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 62 |                 io::stdout().flush();
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:63:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:85:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 85 |                 io::stdout().flush();
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:86:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:96:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 96 |                 io::stdout().flush();
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:04.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 21:30:04.531 INFO [stderr]   --> src/main.rs:97:17
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Nov 16 21:30:04.531 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 21:30:04.531 INFO [stderr]    |
Nov 16 21:30:04.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 21:30:04.531 INFO [stderr] 
Nov 16 21:30:05.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Nov 16 21:30:05.032 INFO [stderr] su: No module specific data is present
Nov 16 21:30:06.752 INFO running `"docker" "inspect" "674fa3abdfd56bbc792e14475f5e9593c7c3dbc20b763a89915c92c7c8760107"`
Nov 16 21:30:07.125 INFO running `"docker" "rm" "-f" "674fa3abdfd56bbc792e14475f5e9593c7c3dbc20b763a89915c92c7c8760107"`
Nov 16 21:30:07.495 INFO [stdout] 674fa3abdfd56bbc792e14475f5e9593c7c3dbc20b763a89915c92c7c8760107
Nov 16 21:30:07.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 21:30:07.988 INFO [stdout] c43493a33a85ffd81bc4d3db53086d42a2277e30b6f40ead85fa35dd3dd1a7ee
Nov 16 21:30:07.991 INFO running `"docker" "start" "-a" "c43493a33a85ffd81bc4d3db53086d42a2277e30b6f40ead85fa35dd3dd1a7ee"`
Nov 16 21:30:10.535 INFO [stderr] usermod: no changes
Nov 16 21:30:10.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Nov 16 21:30:10.682 INFO [stderr]      Running /target/debug/deps/blockchain-8f827adbd85cb9d5
Nov 16 21:30:10.691 INFO [stdout] 
Nov 16 21:30:10.691 INFO [stdout] running 0 tests
Nov 16 21:30:10.691 INFO [stdout] 
Nov 16 21:30:10.691 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 21:30:10.691 INFO [stdout] 
Nov 16 21:30:10.699 INFO [stderr] su: No module specific data is present
Nov 16 21:30:12.107 INFO running `"docker" "inspect" "c43493a33a85ffd81bc4d3db53086d42a2277e30b6f40ead85fa35dd3dd1a7ee"`
Nov 16 21:30:12.511 INFO running `"docker" "rm" "-f" "c43493a33a85ffd81bc4d3db53086d42a2277e30b6f40ead85fa35dd3dd1a7ee"`
Nov 16 21:30:12.833 INFO [stdout] c43493a33a85ffd81bc4d3db53086d42a2277e30b6f40ead85fa35dd3dd1a7ee