Dec 13 12:54:05.935 INFO testing lempiy/blockchain against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 12:54:05.935 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 12:54:06.438 INFO [stdout] b19e4846df390c8cd2c1f194c0be54f49b7331f8156adaa1b699138030aa24a8
Dec 13 12:54:06.445 INFO running `"docker" "start" "-a" "b19e4846df390c8cd2c1f194c0be54f49b7331f8156adaa1b699138030aa24a8"`
Dec 13 12:54:08.323 INFO [stderr] usermod: no changes
Dec 13 12:54:08.435 INFO [stderr]    Compiling serde_json v1.0.14
Dec 13 12:54:12.967 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 13 12:54:14.015 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.015 INFO [stderr]   --> src/main.rs:16:5
Dec 13 12:54:14.015 INFO [stderr]    |
Dec 13 12:54:14.015 INFO [stderr] 16 |     io::stdout().flush();
Dec 13 12:54:14.015 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.015 INFO [stderr]    |
Dec 13 12:54:14.015 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 12:54:14.015 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.015 INFO [stderr] 
Dec 13 12:54:14.015 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.015 INFO [stderr]   --> src/main.rs:17:5
Dec 13 12:54:14.015 INFO [stderr]    |
Dec 13 12:54:14.015 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 13 12:54:14.015 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.015 INFO [stderr]    |
Dec 13 12:54:14.015 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.015 INFO [stderr] 
Dec 13 12:54:14.015 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.015 INFO [stderr]   --> src/main.rs:20:5
Dec 13 12:54:14.015 INFO [stderr]    |
Dec 13 12:54:14.015 INFO [stderr] 20 |     io::stdout().flush();
Dec 13 12:54:14.015 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.015 INFO [stderr]    |
Dec 13 12:54:14.015 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.015 INFO [stderr] 
Dec 13 12:54:14.015 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:21:5
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Dec 13 12:54:14.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:36:9
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 36 |         io::stdout().flush();
Dec 13 12:54:14.016 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:38:9
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 13 12:54:14.016 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:54:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 54 |                 io::stdout().flush();
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:55:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:58:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 58 |                 io::stdout().flush();
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:59:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:62:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 62 |                 io::stdout().flush();
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:63:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:85:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 85 |                 io::stdout().flush();
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:86:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Dec 13 12:54:14.016 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.016 INFO [stderr] 
Dec 13 12:54:14.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.016 INFO [stderr]   --> src/main.rs:96:17
Dec 13 12:54:14.016 INFO [stderr]    |
Dec 13 12:54:14.017 INFO [stderr] 96 |                 io::stdout().flush();
Dec 13 12:54:14.017 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.017 INFO [stderr]    |
Dec 13 12:54:14.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.017 INFO [stderr] 
Dec 13 12:54:14.017 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:14.017 INFO [stderr]   --> src/main.rs:97:17
Dec 13 12:54:14.017 INFO [stderr]    |
Dec 13 12:54:14.017 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Dec 13 12:54:14.017 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:14.017 INFO [stderr]    |
Dec 13 12:54:14.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:14.017 INFO [stderr] 
Dec 13 12:54:15.507 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
Dec 13 12:54:15.515 INFO [stderr] su: No module specific data is present
Dec 13 12:54:16.579 INFO running `"docker" "inspect" "b19e4846df390c8cd2c1f194c0be54f49b7331f8156adaa1b699138030aa24a8"`
Dec 13 12:54:16.873 INFO running `"docker" "rm" "-f" "b19e4846df390c8cd2c1f194c0be54f49b7331f8156adaa1b699138030aa24a8"`
Dec 13 12:54:17.143 INFO [stdout] b19e4846df390c8cd2c1f194c0be54f49b7331f8156adaa1b699138030aa24a8
Dec 13 12:54:17.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 12:54:17.667 INFO [stdout] a077b35f7ed2fe40354b098cd14e5d7a6b7e672adb95702817afeaf477b34809
Dec 13 12:54:17.673 INFO running `"docker" "start" "-a" "a077b35f7ed2fe40354b098cd14e5d7a6b7e672adb95702817afeaf477b34809"`
Dec 13 12:54:19.150 INFO [stderr] usermod: no changes
Dec 13 12:54:19.291 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 13 12:54:20.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.355 INFO [stderr]   --> src/main.rs:16:5
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.355 INFO [stderr] 16 |     io::stdout().flush();
Dec 13 12:54:20.355 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.355 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 12:54:20.355 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.355 INFO [stderr] 
Dec 13 12:54:20.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.355 INFO [stderr]   --> src/main.rs:17:5
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.355 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 13 12:54:20.355 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.355 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.355 INFO [stderr] 
Dec 13 12:54:20.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.355 INFO [stderr]   --> src/main.rs:20:5
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.355 INFO [stderr] 20 |     io::stdout().flush();
Dec 13 12:54:20.355 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.355 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.355 INFO [stderr] 
Dec 13 12:54:20.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.355 INFO [stderr]   --> src/main.rs:21:5
Dec 13 12:54:20.355 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Dec 13 12:54:20.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:36:9
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 36 |         io::stdout().flush();
Dec 13 12:54:20.356 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:38:9
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 13 12:54:20.356 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:54:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 54 |                 io::stdout().flush();
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:55:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:58:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 58 |                 io::stdout().flush();
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:59:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:62:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 62 |                 io::stdout().flush();
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:63:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:85:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 85 |                 io::stdout().flush();
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:86:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Dec 13 12:54:20.356 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.356 INFO [stderr] 
Dec 13 12:54:20.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.356 INFO [stderr]   --> src/main.rs:96:17
Dec 13 12:54:20.356 INFO [stderr]    |
Dec 13 12:54:20.356 INFO [stderr] 96 |                 io::stdout().flush();
Dec 13 12:54:20.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.357 INFO [stderr]    |
Dec 13 12:54:20.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.357 INFO [stderr] 
Dec 13 12:54:20.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 12:54:20.357 INFO [stderr]   --> src/main.rs:97:17
Dec 13 12:54:20.357 INFO [stderr]    |
Dec 13 12:54:20.357 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Dec 13 12:54:20.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:54:20.357 INFO [stderr]    |
Dec 13 12:54:20.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 12:54:20.357 INFO [stderr] 
Dec 13 12:54:20.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 13 12:54:20.731 INFO [stderr] su: No module specific data is present
Dec 13 12:54:21.451 INFO running `"docker" "inspect" "a077b35f7ed2fe40354b098cd14e5d7a6b7e672adb95702817afeaf477b34809"`
Dec 13 12:54:21.937 INFO running `"docker" "rm" "-f" "a077b35f7ed2fe40354b098cd14e5d7a6b7e672adb95702817afeaf477b34809"`
Dec 13 12:54:22.267 INFO [stdout] a077b35f7ed2fe40354b098cd14e5d7a6b7e672adb95702817afeaf477b34809
Dec 13 12:54:22.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 12:54:22.687 INFO [stdout] e43089c71aa6e5c716c7b176868442d3f4f959a90cd57063c758033ceb3df440
Dec 13 12:54:22.689 INFO running `"docker" "start" "-a" "e43089c71aa6e5c716c7b176868442d3f4f959a90cd57063c758033ceb3df440"`
Dec 13 12:54:24.231 INFO [stderr] usermod: no changes
Dec 13 12:54:24.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 13 12:54:24.366 INFO [stderr]      Running /target/debug/deps/blockchain-760744ccbd62f836
Dec 13 12:54:24.374 INFO [stdout] 
Dec 13 12:54:24.374 INFO [stdout] running 0 tests
Dec 13 12:54:24.374 INFO [stdout] 
Dec 13 12:54:24.374 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:54:24.374 INFO [stdout] 
Dec 13 12:54:24.383 INFO [stderr] su: No module specific data is present
Dec 13 12:54:25.663 INFO running `"docker" "inspect" "e43089c71aa6e5c716c7b176868442d3f4f959a90cd57063c758033ceb3df440"`
Dec 13 12:54:25.951 INFO running `"docker" "rm" "-f" "e43089c71aa6e5c716c7b176868442d3f4f959a90cd57063c758033ceb3df440"`
Dec 13 12:54:26.255 INFO [stdout] e43089c71aa6e5c716c7b176868442d3f4f959a90cd57063c758033ceb3df440