Dec 11 14:50:59.234 INFO checking lempiy/blockchain against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:50:59.234 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 14:50:59.801 INFO [stdout] 21d2a727c3941686e5281f75d338b94a1f425e214e620cb2ccb076f766270f34
Dec 11 14:50:59.806 INFO running `"docker" "start" "-a" "21d2a727c3941686e5281f75d338b94a1f425e214e620cb2ccb076f766270f34"`
Dec 11 14:51:01.026 INFO [stderr] usermod: no changes
Dec 11 14:51:01.184 INFO [stderr]     Checking serde_json v1.0.14
Dec 11 14:51:03.660 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Dec 11 14:51:05.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.020 INFO [stderr]   --> src/main.rs:16:5
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr] 16 |     io::stdout().flush();
Dec 11 14:51:05.020 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:51:05.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.020 INFO [stderr] 
Dec 11 14:51:05.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.020 INFO [stderr]   --> src/main.rs:17:5
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 11 14:51:05.020 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.020 INFO [stderr] 
Dec 11 14:51:05.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.020 INFO [stderr]   --> src/main.rs:20:5
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr] 20 |     io::stdout().flush();
Dec 11 14:51:05.020 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.020 INFO [stderr] 
Dec 11 14:51:05.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.020 INFO [stderr]   --> src/main.rs:21:5
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Dec 11 14:51:05.020 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.020 INFO [stderr] 
Dec 11 14:51:05.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.020 INFO [stderr]   --> src/main.rs:36:9
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr] 36 |         io::stdout().flush();
Dec 11 14:51:05.020 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.020 INFO [stderr] 
Dec 11 14:51:05.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.020 INFO [stderr]   --> src/main.rs:38:9
Dec 11 14:51:05.020 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 11 14:51:05.021 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:54:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 54 |                 io::stdout().flush();
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:55:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:58:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 58 |                 io::stdout().flush();
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:59:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:62:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 62 |                 io::stdout().flush();
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:63:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:85:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 85 |                 io::stdout().flush();
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:86:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:96:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 96 |                 io::stdout().flush();
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.021 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.021 INFO [stderr]   --> src/main.rs:97:17
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Dec 11 14:51:05.021 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.021 INFO [stderr]    |
Dec 11 14:51:05.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.021 INFO [stderr] 
Dec 11 14:51:05.034 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.034 INFO [stderr]   --> src/main.rs:16:5
Dec 11 14:51:05.034 INFO [stderr]    |
Dec 11 14:51:05.034 INFO [stderr] 16 |     io::stdout().flush();
Dec 11 14:51:05.034 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.034 INFO [stderr]    |
Dec 11 14:51:05.034 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:51:05.034 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.035 INFO [stderr] 
Dec 11 14:51:05.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.038 INFO [stderr]   --> src/main.rs:17:5
Dec 11 14:51:05.038 INFO [stderr]    |
Dec 11 14:51:05.038 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 11 14:51:05.038 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.044 INFO [stderr]    |
Dec 11 14:51:05.044 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.045 INFO [stderr] 
Dec 11 14:51:05.045 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.045 INFO [stderr]   --> src/main.rs:20:5
Dec 11 14:51:05.045 INFO [stderr]    |
Dec 11 14:51:05.045 INFO [stderr] 20 |     io::stdout().flush();
Dec 11 14:51:05.046 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.046 INFO [stderr]    |
Dec 11 14:51:05.046 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.046 INFO [stderr] 
Dec 11 14:51:05.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.047 INFO [stderr]   --> src/main.rs:21:5
Dec 11 14:51:05.052 INFO [stderr]    |
Dec 11 14:51:05.052 INFO [stderr] 21 |     io::stdin().read_line(&mut difficulty);
Dec 11 14:51:05.052 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.052 INFO [stderr]    |
Dec 11 14:51:05.052 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.052 INFO [stderr] 
Dec 11 14:51:05.056 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.056 INFO [stderr]   --> src/main.rs:36:9
Dec 11 14:51:05.056 INFO [stderr]    |
Dec 11 14:51:05.056 INFO [stderr] 36 |         io::stdout().flush();
Dec 11 14:51:05.056 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.061 INFO [stderr]    |
Dec 11 14:51:05.061 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.061 INFO [stderr] 
Dec 11 14:51:05.061 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.061 INFO [stderr]   --> src/main.rs:38:9
Dec 11 14:51:05.061 INFO [stderr]    |
Dec 11 14:51:05.061 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 11 14:51:05.061 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.061 INFO [stderr]    |
Dec 11 14:51:05.061 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.061 INFO [stderr] 
Dec 11 14:51:05.061 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.061 INFO [stderr]   --> src/main.rs:54:17
Dec 11 14:51:05.061 INFO [stderr]    |
Dec 11 14:51:05.061 INFO [stderr] 54 |                 io::stdout().flush();
Dec 11 14:51:05.061 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.061 INFO [stderr]    |
Dec 11 14:51:05.061 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.061 INFO [stderr] 
Dec 11 14:51:05.061 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:55:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 55 |                 io::stdin().read_line(&mut sender);
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:58:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 58 |                 io::stdout().flush();
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:59:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 59 |                 io::stdin().read_line(&mut reciever);
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:62:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 62 |                 io::stdout().flush();
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:63:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 63 |                 io::stdin().read_line(&mut amount);
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:85:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 85 |                 io::stdout().flush();
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:86:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 86 |                 io::stdin().read_line(&mut new_diff);
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.062 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.062 INFO [stderr]   --> src/main.rs:96:17
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr] 96 |                 io::stdout().flush();
Dec 11 14:51:05.062 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.062 INFO [stderr]    |
Dec 11 14:51:05.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.062 INFO [stderr] 
Dec 11 14:51:05.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:51:05.072 INFO [stderr]   --> src/main.rs:97:17
Dec 11 14:51:05.072 INFO [stderr]    |
Dec 11 14:51:05.072 INFO [stderr] 97 |                 io::stdin().read_line(&mut new_reward);
Dec 11 14:51:05.072 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:51:05.072 INFO [stderr]    |
Dec 11 14:51:05.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:51:05.072 INFO [stderr] 
Dec 11 14:51:05.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
Dec 11 14:51:05.112 INFO [stderr] su: No module specific data is present
Dec 11 14:51:06.167 INFO running `"docker" "inspect" "21d2a727c3941686e5281f75d338b94a1f425e214e620cb2ccb076f766270f34"`
Dec 11 14:51:06.496 INFO running `"docker" "rm" "-f" "21d2a727c3941686e5281f75d338b94a1f425e214e620cb2ccb076f766270f34"`
Dec 11 14:51:06.871 INFO [stdout] 21d2a727c3941686e5281f75d338b94a1f425e214e620cb2ccb076f766270f34