Dec 11 20:50:45.778 INFO checking christiansakai/toy_blockchain_rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:50:45.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 20:50:45.929 INFO [stdout] 59fb12fc25c8a7e73436e01a373b8c5094ebcf25eeeb23d23240327570b4e1f2
Dec 11 20:50:45.934 INFO running `"docker" "start" "-a" "59fb12fc25c8a7e73436e01a373b8c5094ebcf25eeeb23d23240327570b4e1f2"`
Dec 11 20:50:46.484 INFO [stderr] usermod: no changes
Dec 11 20:50:46.669 INFO [stderr]     Checking toy_blockchain v0.1.0 (/source)
Dec 11 20:50:48.273 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.273 INFO [stderr]   --> src/main.rs:16:5
Dec 11 20:50:48.273 INFO [stderr]    |
Dec 11 20:50:48.273 INFO [stderr] 16 |     io::stdout().flush();
Dec 11 20:50:48.273 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.273 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:50:48.274 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.274 INFO [stderr] 
Dec 11 20:50:48.274 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.274 INFO [stderr]   --> src/main.rs:17:5
Dec 11 20:50:48.274 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_address);
Dec 11 20:50:48.274 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.274 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.274 INFO [stderr] 
Dec 11 20:50:48.274 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.274 INFO [stderr]   --> src/main.rs:19:5
Dec 11 20:50:48.274 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr] 19 |     io::stdout().flush();
Dec 11 20:50:48.274 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.274 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.274 INFO [stderr] 
Dec 11 20:50:48.274 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.274 INFO [stderr]   --> src/main.rs:20:5
Dec 11 20:50:48.274 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 11 20:50:48.274 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.274 INFO [stderr]    |
Dec 11 20:50:48.274 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.274 INFO [stderr] 
Dec 11 20:50:48.274 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.275 INFO [stderr]   --> src/main.rs:38:9
Dec 11 20:50:48.275 INFO [stderr]    |
Dec 11 20:50:48.275 INFO [stderr] 38 |         io::stdout().flush();
Dec 11 20:50:48.275 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.275 INFO [stderr]    |
Dec 11 20:50:48.275 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.275 INFO [stderr] 
Dec 11 20:50:48.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.275 INFO [stderr]   --> src/main.rs:41:9
Dec 11 20:50:48.275 INFO [stderr]    |
Dec 11 20:50:48.275 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 11 20:50:48.275 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.275 INFO [stderr]    |
Dec 11 20:50:48.275 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.275 INFO [stderr] 
Dec 11 20:50:48.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.275 INFO [stderr]   --> src/main.rs:57:17
Dec 11 20:50:48.275 INFO [stderr]    |
Dec 11 20:50:48.275 INFO [stderr] 57 |                 io::stdout().flush();
Dec 11 20:50:48.275 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.276 INFO [stderr]    |
Dec 11 20:50:48.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.276 INFO [stderr] 
Dec 11 20:50:48.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.276 INFO [stderr]   --> src/main.rs:58:17
Dec 11 20:50:48.276 INFO [stderr]    |
Dec 11 20:50:48.276 INFO [stderr] 58 |                 io::stdin().read_line(&mut sender);
Dec 11 20:50:48.276 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.276 INFO [stderr]    |
Dec 11 20:50:48.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.276 INFO [stderr] 
Dec 11 20:50:48.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.276 INFO [stderr]   --> src/main.rs:60:17
Dec 11 20:50:48.276 INFO [stderr]    |
Dec 11 20:50:48.276 INFO [stderr] 60 |                 io::stdout().flush();
Dec 11 20:50:48.276 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.276 INFO [stderr]    |
Dec 11 20:50:48.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.276 INFO [stderr] 
Dec 11 20:50:48.277 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.277 INFO [stderr]   --> src/main.rs:61:17
Dec 11 20:50:48.277 INFO [stderr]    |
Dec 11 20:50:48.277 INFO [stderr] 61 |                 io::stdin().read_line(&mut receiver);
Dec 11 20:50:48.277 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.277 INFO [stderr]    |
Dec 11 20:50:48.277 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.277 INFO [stderr] 
Dec 11 20:50:48.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.284 INFO [stderr]   --> src/main.rs:63:17
Dec 11 20:50:48.284 INFO [stderr]    |
Dec 11 20:50:48.284 INFO [stderr] 63 |                 io::stdout().flush();
Dec 11 20:50:48.284 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.284 INFO [stderr]    |
Dec 11 20:50:48.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.284 INFO [stderr] 
Dec 11 20:50:48.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.284 INFO [stderr]   --> src/main.rs:64:17
Dec 11 20:50:48.284 INFO [stderr]    |
Dec 11 20:50:48.284 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Dec 11 20:50:48.284 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.284 INFO [stderr]    |
Dec 11 20:50:48.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.284 INFO [stderr] 
Dec 11 20:50:48.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.284 INFO [stderr]   --> src/main.rs:90:17
Dec 11 20:50:48.284 INFO [stderr]    |
Dec 11 20:50:48.284 INFO [stderr] 90 |                 io::stdout().flush();
Dec 11 20:50:48.284 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.284 INFO [stderr]    |
Dec 11 20:50:48.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.284 INFO [stderr] 
Dec 11 20:50:48.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.284 INFO [stderr]   --> src/main.rs:91:17
Dec 11 20:50:48.285 INFO [stderr]    |
Dec 11 20:50:48.285 INFO [stderr] 91 |                 io::stdin().read_line(&mut new_difficulty);
Dec 11 20:50:48.285 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.285 INFO [stderr]    |
Dec 11 20:50:48.285 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.285 INFO [stderr] 
Dec 11 20:50:48.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.285 INFO [stderr]    --> src/main.rs:105:17
Dec 11 20:50:48.285 INFO [stderr]     |
Dec 11 20:50:48.285 INFO [stderr] 105 |                 io::stdout().flush();
Dec 11 20:50:48.285 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.285 INFO [stderr]     |
Dec 11 20:50:48.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.285 INFO [stderr] 
Dec 11 20:50:48.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.285 INFO [stderr]    --> src/main.rs:106:17
Dec 11 20:50:48.285 INFO [stderr]     |
Dec 11 20:50:48.285 INFO [stderr] 106 |                 io::stdin().read_line(&mut new_reward);
Dec 11 20:50:48.285 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.285 INFO [stderr]     |
Dec 11 20:50:48.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.285 INFO [stderr] 
Dec 11 20:50:48.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.356 INFO [stderr]   --> src/main.rs:16:5
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr] 16 |     io::stdout().flush();
Dec 11 20:50:48.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:50:48.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.356 INFO [stderr] 
Dec 11 20:50:48.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.356 INFO [stderr]   --> src/main.rs:17:5
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_address);
Dec 11 20:50:48.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.356 INFO [stderr] 
Dec 11 20:50:48.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.356 INFO [stderr]   --> src/main.rs:19:5
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr] 19 |     io::stdout().flush();
Dec 11 20:50:48.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.356 INFO [stderr] 
Dec 11 20:50:48.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.356 INFO [stderr]   --> src/main.rs:20:5
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 11 20:50:48.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.356 INFO [stderr]    |
Dec 11 20:50:48.356 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.356 INFO [stderr] 
Dec 11 20:50:48.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.356 INFO [stderr]   --> src/main.rs:38:9
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 38 |         io::stdout().flush();
Dec 11 20:50:48.357 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.357 INFO [stderr] 
Dec 11 20:50:48.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.357 INFO [stderr]   --> src/main.rs:41:9
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 11 20:50:48.357 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.357 INFO [stderr] 
Dec 11 20:50:48.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.357 INFO [stderr]   --> src/main.rs:57:17
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 57 |                 io::stdout().flush();
Dec 11 20:50:48.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.357 INFO [stderr] 
Dec 11 20:50:48.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.357 INFO [stderr]   --> src/main.rs:58:17
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 58 |                 io::stdin().read_line(&mut sender);
Dec 11 20:50:48.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.357 INFO [stderr] 
Dec 11 20:50:48.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.357 INFO [stderr]   --> src/main.rs:60:17
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 60 |                 io::stdout().flush();
Dec 11 20:50:48.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.357 INFO [stderr] 
Dec 11 20:50:48.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.357 INFO [stderr]   --> src/main.rs:61:17
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 61 |                 io::stdin().read_line(&mut receiver);
Dec 11 20:50:48.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.357 INFO [stderr] 
Dec 11 20:50:48.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.357 INFO [stderr]   --> src/main.rs:63:17
Dec 11 20:50:48.357 INFO [stderr]    |
Dec 11 20:50:48.357 INFO [stderr] 63 |                 io::stdout().flush();
Dec 11 20:50:48.357 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.358 INFO [stderr] 
Dec 11 20:50:48.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.358 INFO [stderr]   --> src/main.rs:64:17
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Dec 11 20:50:48.358 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.358 INFO [stderr] 
Dec 11 20:50:48.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.358 INFO [stderr]   --> src/main.rs:90:17
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr] 90 |                 io::stdout().flush();
Dec 11 20:50:48.358 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.358 INFO [stderr] 
Dec 11 20:50:48.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.358 INFO [stderr]   --> src/main.rs:91:17
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr] 91 |                 io::stdin().read_line(&mut new_difficulty);
Dec 11 20:50:48.358 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.358 INFO [stderr]    |
Dec 11 20:50:48.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.358 INFO [stderr] 
Dec 11 20:50:48.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.358 INFO [stderr]    --> src/main.rs:105:17
Dec 11 20:50:48.358 INFO [stderr]     |
Dec 11 20:50:48.358 INFO [stderr] 105 |                 io::stdout().flush();
Dec 11 20:50:48.358 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.358 INFO [stderr]     |
Dec 11 20:50:48.358 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.358 INFO [stderr] 
Dec 11 20:50:48.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:50:48.358 INFO [stderr]    --> src/main.rs:106:17
Dec 11 20:50:48.358 INFO [stderr]     |
Dec 11 20:50:48.358 INFO [stderr] 106 |                 io::stdin().read_line(&mut new_reward);
Dec 11 20:50:48.358 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:50:48.358 INFO [stderr]     |
Dec 11 20:50:48.358 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:50:48.358 INFO [stderr] 
Dec 11 20:50:48.397 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
Dec 11 20:50:48.404 INFO [stderr] su: No module specific data is present
Dec 11 20:50:49.186 INFO running `"docker" "inspect" "59fb12fc25c8a7e73436e01a373b8c5094ebcf25eeeb23d23240327570b4e1f2"`
Dec 11 20:50:49.490 INFO running `"docker" "rm" "-f" "59fb12fc25c8a7e73436e01a373b8c5094ebcf25eeeb23d23240327570b4e1f2"`
Dec 11 20:50:49.716 INFO [stdout] 59fb12fc25c8a7e73436e01a373b8c5094ebcf25eeeb23d23240327570b4e1f2