Nov 28 14:30:02.734 INFO checking AvishaiW/toy-blochain-rust against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 14:30:02.735 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 14:30:03.062 INFO [stdout] d16d04cc86f4a4e9ea49df2e3e8b5a57943d5aa8a2d756ce786fb20afb21014c
Nov 28 14:30:03.064 INFO running `"docker" "start" "-a" "d16d04cc86f4a4e9ea49df2e3e8b5a57943d5aa8a2d756ce786fb20afb21014c"`
Nov 28 14:30:04.236 INFO [stderr] usermod: no changes
Nov 28 14:30:04.381 INFO [stderr]     Checking sha2 v0.8.0
Nov 28 14:30:05.656 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:16:5
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 16 |     io::stdout().flush();
Nov 28 14:30:08.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:17:5
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 28 14:30:08.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:19:5
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 19 |     io::stdout().flush();
Nov 28 14:30:08.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:20:5
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Nov 28 14:30:08.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:33:9
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 33 |         io::stdout().flush();
Nov 28 14:30:08.089 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:35:9
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Nov 28 14:30:08.089 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:50:17
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 50 |                 io::stdout().flush();
Nov 28 14:30:08.089 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:51:17
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Nov 28 14:30:08.089 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.089 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.089 INFO [stderr]   --> src/main.rs:53:17
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr] 53 |                 io::stdout().flush();
Nov 28 14:30:08.089 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.089 INFO [stderr]    |
Nov 28 14:30:08.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.089 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:54:17
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Nov 28 14:30:08.090 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:56:17
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 56 |                 io::stdout().flush();
Nov 28 14:30:08.090 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:57:17
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Nov 28 14:30:08.090 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:81:21
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 81 |                     io::stdout().flush();
Nov 28 14:30:08.090 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:82:21
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 82 |                     io::stdin().read_line(&mut new_diff);
Nov 28 14:30:08.090 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:92:17
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 92 |                 io::stdout().flush();
Nov 28 14:30:08.090 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.090 INFO [stderr]   --> src/main.rs:93:17
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Nov 28 14:30:08.090 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.090 INFO [stderr]    |
Nov 28 14:30:08.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.090 INFO [stderr] 
Nov 28 14:30:08.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.144 INFO [stderr]   --> src/main.rs:16:5
Nov 28 14:30:08.144 INFO [stderr]    |
Nov 28 14:30:08.144 INFO [stderr] 16 |     io::stdout().flush();
Nov 28 14:30:08.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.144 INFO [stderr]    |
Nov 28 14:30:08.144 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 14:30:08.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.144 INFO [stderr] 
Nov 28 14:30:08.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.144 INFO [stderr]   --> src/main.rs:17:5
Nov 28 14:30:08.144 INFO [stderr]    |
Nov 28 14:30:08.144 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Nov 28 14:30:08.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:19:5
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 19 |     io::stdout().flush();
Nov 28 14:30:08.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:20:5
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Nov 28 14:30:08.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:33:9
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 33 |         io::stdout().flush();
Nov 28 14:30:08.145 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:35:9
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Nov 28 14:30:08.145 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:50:17
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 50 |                 io::stdout().flush();
Nov 28 14:30:08.145 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:51:17
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Nov 28 14:30:08.145 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:53:17
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 53 |                 io::stdout().flush();
Nov 28 14:30:08.145 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:54:17
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Nov 28 14:30:08.145 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:56:17
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 56 |                 io::stdout().flush();
Nov 28 14:30:08.145 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.145 INFO [stderr] 
Nov 28 14:30:08.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.145 INFO [stderr]   --> src/main.rs:57:17
Nov 28 14:30:08.145 INFO [stderr]    |
Nov 28 14:30:08.145 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Nov 28 14:30:08.146 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.146 INFO [stderr] 
Nov 28 14:30:08.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.146 INFO [stderr]   --> src/main.rs:81:21
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr] 81 |                     io::stdout().flush();
Nov 28 14:30:08.146 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.146 INFO [stderr] 
Nov 28 14:30:08.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.146 INFO [stderr]   --> src/main.rs:82:21
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr] 82 |                     io::stdin().read_line(&mut new_diff);
Nov 28 14:30:08.146 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.146 INFO [stderr] 
Nov 28 14:30:08.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.146 INFO [stderr]   --> src/main.rs:92:17
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr] 92 |                 io::stdout().flush();
Nov 28 14:30:08.146 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.146 INFO [stderr] 
Nov 28 14:30:08.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:30:08.146 INFO [stderr]   --> src/main.rs:93:17
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Nov 28 14:30:08.146 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:30:08.146 INFO [stderr]    |
Nov 28 14:30:08.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:30:08.146 INFO [stderr] 
Nov 28 14:30:08.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Nov 28 14:30:08.197 INFO [stderr] su: No module specific data is present
Nov 28 14:30:08.898 INFO running `"docker" "inspect" "d16d04cc86f4a4e9ea49df2e3e8b5a57943d5aa8a2d756ce786fb20afb21014c"`
Nov 28 14:30:09.293 INFO running `"docker" "rm" "-f" "d16d04cc86f4a4e9ea49df2e3e8b5a57943d5aa8a2d756ce786fb20afb21014c"`
Nov 28 14:30:09.585 INFO [stdout] d16d04cc86f4a4e9ea49df2e3e8b5a57943d5aa8a2d756ce786fb20afb21014c