Nov 16 07:30:46.282 INFO testing yogesum/blockchain-rs against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 07:30:46.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:30:46.791 INFO [stdout] e33074568654ad40820ffd9fcb808f04bab09f09abf78e322f6f4fe3ce30732e
Nov 16 07:30:46.793 INFO running `"docker" "start" "-a" "e33074568654ad40820ffd9fcb808f04bab09f09abf78e322f6f4fe3ce30732e"`
Nov 16 07:30:49.434 INFO [stderr] usermod: no changes
Nov 16 07:30:49.547 INFO [stderr]    Compiling typenum v1.10.0
Nov 16 07:30:49.547 INFO [stderr]    Compiling arrayref v0.3.4
Nov 16 07:30:49.547 INFO [stderr]    Compiling byte-tools v0.2.0
Nov 16 07:30:49.547 INFO [stderr]    Compiling fake-simd v0.1.2
Nov 16 07:30:49.579 INFO [stderr]    Compiling serde v1.0.37
Nov 16 07:30:49.579 INFO [stderr]    Compiling proc-macro2 v0.3.1
Nov 16 07:30:50.701 INFO [stderr]    Compiling block-buffer v0.3.3
Nov 16 07:30:57.165 INFO [stderr]    Compiling quote v0.5.1
Nov 16 07:30:58.720 INFO [stderr]    Compiling generic-array v0.9.0
Nov 16 07:30:59.183 INFO [stderr]    Compiling syn v0.13.1
Nov 16 07:31:00.285 INFO [stderr]    Compiling digest v0.7.2
Nov 16 07:31:00.795 INFO [stderr]    Compiling sha2 v0.7.0
Nov 16 07:31:13.587 INFO [stderr]    Compiling serde_derive_internals v0.23.0
Nov 16 07:31:18.751 INFO [stderr]    Compiling serde_derive v1.0.37
Nov 16 07:31:21.552 INFO [stderr]    Compiling serde_json v1.0.13
Nov 16 07:31:33.795 INFO [stderr]    Compiling blockchain-rs v0.1.0 (/source)
Nov 16 07:31:34.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.255 INFO [stderr]   --> src/main.rs:16:5
Nov 16 07:31:34.255 INFO [stderr]    |
Nov 16 07:31:34.255 INFO [stderr] 16 |     io::stdout().flush();
Nov 16 07:31:34.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.255 INFO [stderr]    |
Nov 16 07:31:34.255 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 07:31:34.255 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.255 INFO [stderr] 
Nov 16 07:31:34.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.255 INFO [stderr]   --> src/main.rs:17:5
Nov 16 07:31:34.255 INFO [stderr]    |
Nov 16 07:31:34.255 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 16 07:31:34.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.255 INFO [stderr]    |
Nov 16 07:31:34.255 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.255 INFO [stderr] 
Nov 16 07:31:34.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.255 INFO [stderr]   --> src/main.rs:20:5
Nov 16 07:31:34.255 INFO [stderr]    |
Nov 16 07:31:34.255 INFO [stderr] 20 |     io::stdout().flush();
Nov 16 07:31:34.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.255 INFO [stderr]    |
Nov 16 07:31:34.255 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.255 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:21:5
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 16 07:31:34.256 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:38:9
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 38 |         io::stdout().flush();
Nov 16 07:31:34.256 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:41:9
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 16 07:31:34.256 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:55:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 55 |                 io::stdout().flush();
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:56:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:59:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 59 |                 io::stdout().flush();
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:60:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 60 |                 io::stdin().read_line(&mut receiver);
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:63:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 63 |                 io::stdout().flush();
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:64:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:89:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 89 |                 io::stdout().flush();
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.256 INFO [stderr] 
Nov 16 07:31:34.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.256 INFO [stderr]   --> src/main.rs:90:17
Nov 16 07:31:34.256 INFO [stderr]    |
Nov 16 07:31:34.256 INFO [stderr] 90 |                 io::stdin().read_line(&mut new_diff);
Nov 16 07:31:34.256 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.257 INFO [stderr]    |
Nov 16 07:31:34.257 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.257 INFO [stderr] 
Nov 16 07:31:34.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.257 INFO [stderr]    --> src/main.rs:101:17
Nov 16 07:31:34.257 INFO [stderr]     |
Nov 16 07:31:34.257 INFO [stderr] 101 |                 io::stdout().flush();
Nov 16 07:31:34.257 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.257 INFO [stderr]     |
Nov 16 07:31:34.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.257 INFO [stderr] 
Nov 16 07:31:34.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:34.257 INFO [stderr]    --> src/main.rs:102:17
Nov 16 07:31:34.257 INFO [stderr]     |
Nov 16 07:31:34.257 INFO [stderr] 102 |                 io::stdin().read_line(&mut new_reward);
Nov 16 07:31:34.257 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:34.257 INFO [stderr]     |
Nov 16 07:31:34.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:34.257 INFO [stderr] 
Nov 16 07:31:35.763 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.30s
Nov 16 07:31:35.768 INFO [stderr] su: No module specific data is present
Nov 16 07:31:37.096 INFO running `"docker" "inspect" "e33074568654ad40820ffd9fcb808f04bab09f09abf78e322f6f4fe3ce30732e"`
Nov 16 07:31:37.466 INFO running `"docker" "rm" "-f" "e33074568654ad40820ffd9fcb808f04bab09f09abf78e322f6f4fe3ce30732e"`
Nov 16 07:31:37.787 INFO [stdout] e33074568654ad40820ffd9fcb808f04bab09f09abf78e322f6f4fe3ce30732e
Nov 16 07:31:37.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:31:38.227 INFO [stdout] 29b23a521e33c32849c4f3e02f1574a39bc91832042c4c725019d646f1fc5f1e
Nov 16 07:31:38.229 INFO running `"docker" "start" "-a" "29b23a521e33c32849c4f3e02f1574a39bc91832042c4c725019d646f1fc5f1e"`
Nov 16 07:31:39.291 INFO [stderr] usermod: no changes
Nov 16 07:31:39.421 INFO [stderr]    Compiling blockchain-rs v0.1.0 (/source)
Nov 16 07:31:39.867 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.867 INFO [stderr]   --> src/main.rs:16:5
Nov 16 07:31:39.868 INFO [stderr]    |
Nov 16 07:31:39.868 INFO [stderr] 16 |     io::stdout().flush();
Nov 16 07:31:39.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.869 INFO [stderr]    |
Nov 16 07:31:39.869 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 07:31:39.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.870 INFO [stderr] 
Nov 16 07:31:39.870 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.870 INFO [stderr]   --> src/main.rs:17:5
Nov 16 07:31:39.871 INFO [stderr]    |
Nov 16 07:31:39.871 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 16 07:31:39.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.871 INFO [stderr]    |
Nov 16 07:31:39.872 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.872 INFO [stderr] 
Nov 16 07:31:39.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.873 INFO [stderr]   --> src/main.rs:20:5
Nov 16 07:31:39.873 INFO [stderr]    |
Nov 16 07:31:39.873 INFO [stderr] 20 |     io::stdout().flush();
Nov 16 07:31:39.874 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.874 INFO [stderr]    |
Nov 16 07:31:39.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.874 INFO [stderr] 
Nov 16 07:31:39.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.875 INFO [stderr]   --> src/main.rs:21:5
Nov 16 07:31:39.875 INFO [stderr]    |
Nov 16 07:31:39.876 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 16 07:31:39.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.876 INFO [stderr]    |
Nov 16 07:31:39.877 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.877 INFO [stderr] 
Nov 16 07:31:39.877 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.877 INFO [stderr]   --> src/main.rs:38:9
Nov 16 07:31:39.878 INFO [stderr]    |
Nov 16 07:31:39.878 INFO [stderr] 38 |         io::stdout().flush();
Nov 16 07:31:39.880 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.880 INFO [stderr] 
Nov 16 07:31:39.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.880 INFO [stderr]   --> src/main.rs:41:9
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 16 07:31:39.880 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.880 INFO [stderr] 
Nov 16 07:31:39.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.880 INFO [stderr]   --> src/main.rs:55:17
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr] 55 |                 io::stdout().flush();
Nov 16 07:31:39.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.880 INFO [stderr] 
Nov 16 07:31:39.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.880 INFO [stderr]   --> src/main.rs:56:17
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 16 07:31:39.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.880 INFO [stderr] 
Nov 16 07:31:39.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.880 INFO [stderr]   --> src/main.rs:59:17
Nov 16 07:31:39.880 INFO [stderr]    |
Nov 16 07:31:39.880 INFO [stderr] 59 |                 io::stdout().flush();
Nov 16 07:31:39.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]   --> src/main.rs:60:17
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr] 60 |                 io::stdin().read_line(&mut receiver);
Nov 16 07:31:39.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]   --> src/main.rs:63:17
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr] 63 |                 io::stdout().flush();
Nov 16 07:31:39.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]   --> src/main.rs:64:17
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Nov 16 07:31:39.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]   --> src/main.rs:89:17
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr] 89 |                 io::stdout().flush();
Nov 16 07:31:39.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]   --> src/main.rs:90:17
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr] 90 |                 io::stdin().read_line(&mut new_diff);
Nov 16 07:31:39.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]    |
Nov 16 07:31:39.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]    --> src/main.rs:101:17
Nov 16 07:31:39.881 INFO [stderr]     |
Nov 16 07:31:39.881 INFO [stderr] 101 |                 io::stdout().flush();
Nov 16 07:31:39.881 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]     |
Nov 16 07:31:39.881 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:39.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 07:31:39.881 INFO [stderr]    --> src/main.rs:102:17
Nov 16 07:31:39.881 INFO [stderr]     |
Nov 16 07:31:39.881 INFO [stderr] 102 |                 io::stdin().read_line(&mut new_reward);
Nov 16 07:31:39.881 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 07:31:39.881 INFO [stderr]     |
Nov 16 07:31:39.881 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 07:31:39.881 INFO [stderr] 
Nov 16 07:31:40.395 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Nov 16 07:31:40.403 INFO [stderr] su: No module specific data is present
Nov 16 07:31:41.592 INFO running `"docker" "inspect" "29b23a521e33c32849c4f3e02f1574a39bc91832042c4c725019d646f1fc5f1e"`
Nov 16 07:31:41.863 INFO running `"docker" "rm" "-f" "29b23a521e33c32849c4f3e02f1574a39bc91832042c4c725019d646f1fc5f1e"`
Nov 16 07:31:42.171 INFO [stdout] 29b23a521e33c32849c4f3e02f1574a39bc91832042c4c725019d646f1fc5f1e
Nov 16 07:31:42.179 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:31:42.605 INFO [stdout] e052cbc310fe4ebf431925da564ff739144b3b12c83f609ca105273f2ecf87fb
Nov 16 07:31:42.608 INFO running `"docker" "start" "-a" "e052cbc310fe4ebf431925da564ff739144b3b12c83f609ca105273f2ecf87fb"`
Nov 16 07:31:43.732 INFO [stderr] usermod: no changes
Nov 16 07:31:43.842 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Nov 16 07:31:43.842 INFO [stderr]      Running /target/debug/deps/blockchain_rs-57752810ea5059f7
Nov 16 07:31:43.845 INFO [stdout] 
Nov 16 07:31:43.845 INFO [stdout] running 0 tests
Nov 16 07:31:43.845 INFO [stdout] 
Nov 16 07:31:43.845 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 07:31:43.845 INFO [stdout] 
Nov 16 07:31:43.850 INFO [stderr] su: No module specific data is present
Nov 16 07:31:44.589 INFO running `"docker" "inspect" "e052cbc310fe4ebf431925da564ff739144b3b12c83f609ca105273f2ecf87fb"`
Nov 16 07:31:44.897 INFO running `"docker" "rm" "-f" "e052cbc310fe4ebf431925da564ff739144b3b12c83f609ca105273f2ecf87fb"`
Nov 16 07:31:45.170 INFO [stdout] e052cbc310fe4ebf431925da564ff739144b3b12c83f609ca105273f2ecf87fb