Nov 29 14:25:21.390 INFO checking yogesum/blockchain-rs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 14:25:21.390 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 29 14:25:21.942 INFO [stdout] 6337c7ea25694d5e6c7223962ffe6522d72e959d0b73e237e6fce753bc1ce641
Nov 29 14:25:21.944 INFO running `"docker" "start" "-a" "6337c7ea25694d5e6c7223962ffe6522d72e959d0b73e237e6fce753bc1ce641"`
Nov 29 14:25:24.464 INFO [stderr] usermod: no changes
Nov 29 14:25:24.616 INFO [stderr]     Checking arrayref v0.3.4
Nov 29 14:25:24.628 INFO [stderr]     Checking libc v0.2.40
Nov 29 14:25:24.636 INFO [stderr]     Checking num-traits v0.2.2
Nov 29 14:25:24.636 INFO [stderr]     Checking serde v1.0.37
Nov 29 14:25:24.636 INFO [stderr]    Compiling proc-macro2 v0.3.1
Nov 29 14:25:24.644 INFO [stderr]     Checking digest v0.7.2
Nov 29 14:25:24.996 INFO [stderr]     Checking block-buffer v0.3.3
Nov 29 14:25:26.990 INFO [stderr]     Checking sha2 v0.7.0
Nov 29 14:25:29.549 INFO [stderr]     Checking time v0.1.39
Nov 29 14:25:33.773 INFO [stderr]    Compiling quote v0.5.1
Nov 29 14:25:35.161 INFO [stderr]    Compiling syn v0.13.1
Nov 29 14:25:47.956 INFO [stderr]    Compiling serde_derive_internals v0.23.0
Nov 29 14:25:51.701 INFO [stderr]     Checking serde_json v1.0.13
Nov 29 14:25:53.488 INFO [stderr]    Compiling serde_derive v1.0.37
Nov 29 14:26:05.164 INFO [stderr]     Checking blockchain-rs v0.1.0 (/source)
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:16:5
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 16 |     io::stdout().flush();
Nov 29 14:26:05.941 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:17:5
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 29 14:26:05.941 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:20:5
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 20 |     io::stdout().flush();
Nov 29 14:26:05.941 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:21:5
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 29 14:26:05.941 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:38:9
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 38 |         io::stdout().flush();
Nov 29 14:26:05.941 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:41:9
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 29 14:26:05.941 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:55:17
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 55 |                 io::stdout().flush();
Nov 29 14:26:05.941 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.941 INFO [stderr] 
Nov 29 14:26:05.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.941 INFO [stderr]   --> src/main.rs:56:17
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.941 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 29 14:26:05.941 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.941 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]   --> src/main.rs:59:17
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr] 59 |                 io::stdout().flush();
Nov 29 14:26:05.942 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]   --> src/main.rs:60:17
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr] 60 |                 io::stdin().read_line(&mut receiver);
Nov 29 14:26:05.942 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]   --> src/main.rs:63:17
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr] 63 |                 io::stdout().flush();
Nov 29 14:26:05.942 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]   --> src/main.rs:64:17
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Nov 29 14:26:05.942 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]   --> src/main.rs:89:17
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr] 89 |                 io::stdout().flush();
Nov 29 14:26:05.942 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]   --> src/main.rs:90:17
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr] 90 |                 io::stdin().read_line(&mut new_diff);
Nov 29 14:26:05.942 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]    |
Nov 29 14:26:05.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]    --> src/main.rs:101:17
Nov 29 14:26:05.942 INFO [stderr]     |
Nov 29 14:26:05.942 INFO [stderr] 101 |                 io::stdout().flush();
Nov 29 14:26:05.942 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]     |
Nov 29 14:26:05.942 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:05.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:05.942 INFO [stderr]    --> src/main.rs:102:17
Nov 29 14:26:05.942 INFO [stderr]     |
Nov 29 14:26:05.942 INFO [stderr] 102 |                 io::stdin().read_line(&mut new_reward);
Nov 29 14:26:05.942 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:05.942 INFO [stderr]     |
Nov 29 14:26:05.942 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:05.942 INFO [stderr] 
Nov 29 14:26:06.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.036 INFO [stderr]   --> src/main.rs:16:5
Nov 29 14:26:06.036 INFO [stderr]    |
Nov 29 14:26:06.036 INFO [stderr] 16 |     io::stdout().flush();
Nov 29 14:26:06.036 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.036 INFO [stderr]    |
Nov 29 14:26:06.036 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:26:06.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.036 INFO [stderr] 
Nov 29 14:26:06.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.036 INFO [stderr]   --> src/main.rs:17:5
Nov 29 14:26:06.036 INFO [stderr]    |
Nov 29 14:26:06.036 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 29 14:26:06.036 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.036 INFO [stderr]    |
Nov 29 14:26:06.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.037 INFO [stderr] 
Nov 29 14:26:06.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.037 INFO [stderr]   --> src/main.rs:20:5
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr] 20 |     io::stdout().flush();
Nov 29 14:26:06.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.037 INFO [stderr] 
Nov 29 14:26:06.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.037 INFO [stderr]   --> src/main.rs:21:5
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Nov 29 14:26:06.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.037 INFO [stderr] 
Nov 29 14:26:06.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.037 INFO [stderr]   --> src/main.rs:38:9
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr] 38 |         io::stdout().flush();
Nov 29 14:26:06.037 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.037 INFO [stderr] 
Nov 29 14:26:06.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.037 INFO [stderr]   --> src/main.rs:41:9
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Nov 29 14:26:06.037 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.037 INFO [stderr]    |
Nov 29 14:26:06.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.037 INFO [stderr] 
Nov 29 14:26:06.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.037 INFO [stderr]   --> src/main.rs:55:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 55 |                 io::stdout().flush();
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:56:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 56 |                 io::stdin().read_line(&mut sender);
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:59:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 59 |                 io::stdout().flush();
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:60:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 60 |                 io::stdin().read_line(&mut receiver);
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:63:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 63 |                 io::stdout().flush();
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:64:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:89:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 89 |                 io::stdout().flush();
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]   --> src/main.rs:90:17
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr] 90 |                 io::stdin().read_line(&mut new_diff);
Nov 29 14:26:06.038 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]    |
Nov 29 14:26:06.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]    --> src/main.rs:101:17
Nov 29 14:26:06.038 INFO [stderr]     |
Nov 29 14:26:06.038 INFO [stderr] 101 |                 io::stdout().flush();
Nov 29 14:26:06.038 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]     |
Nov 29 14:26:06.038 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:26:06.038 INFO [stderr]    --> src/main.rs:102:17
Nov 29 14:26:06.038 INFO [stderr]     |
Nov 29 14:26:06.038 INFO [stderr] 102 |                 io::stdin().read_line(&mut new_reward);
Nov 29 14:26:06.038 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:26:06.038 INFO [stderr]     |
Nov 29 14:26:06.038 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:26:06.038 INFO [stderr] 
Nov 29 14:26:06.096 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.60s
Nov 29 14:26:06.100 INFO [stderr] su: No module specific data is present
Nov 29 14:26:07.442 INFO running `"docker" "inspect" "6337c7ea25694d5e6c7223962ffe6522d72e959d0b73e237e6fce753bc1ce641"`
Nov 29 14:26:07.831 INFO running `"docker" "rm" "-f" "6337c7ea25694d5e6c7223962ffe6522d72e959d0b73e237e6fce753bc1ce641"`
Nov 29 14:26:08.200 INFO [stdout] 6337c7ea25694d5e6c7223962ffe6522d72e959d0b73e237e6fce753bc1ce641