Dec 04 20:56:17.131 INFO checking christiansakai/toy_blockchain_rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:56:17.131 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 20:56:17.289 INFO [stdout] f08e211f6b7b360443fe8cb13ccb94471642df580ceafa62de63f44a2efa5c2f
Dec 04 20:56:17.299 INFO running `"docker" "start" "-a" "f08e211f6b7b360443fe8cb13ccb94471642df580ceafa62de63f44a2efa5c2f"`
Dec 04 20:56:17.699 INFO [stderr] usermod: no changes
Dec 04 20:56:17.835 INFO [stderr]     Checking toy_blockchain v0.1.0 (/source)
Dec 04 20:56:19.171 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.171 INFO [stderr]   --> src/main.rs:16:5
Dec 04 20:56:19.171 INFO [stderr]    |
Dec 04 20:56:19.171 INFO [stderr] 16 |     io::stdout().flush();
Dec 04 20:56:19.171 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.172 INFO [stderr]    |
Dec 04 20:56:19.172 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 20:56:19.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.172 INFO [stderr] 
Dec 04 20:56:19.177 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.177 INFO [stderr]   --> src/main.rs:17:5
Dec 04 20:56:19.177 INFO [stderr]    |
Dec 04 20:56:19.177 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_address);
Dec 04 20:56:19.177 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.177 INFO [stderr]    |
Dec 04 20:56:19.177 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.177 INFO [stderr] 
Dec 04 20:56:19.177 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.177 INFO [stderr]   --> src/main.rs:19:5
Dec 04 20:56:19.177 INFO [stderr]    |
Dec 04 20:56:19.177 INFO [stderr] 19 |     io::stdout().flush();
Dec 04 20:56:19.177 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.177 INFO [stderr]    |
Dec 04 20:56:19.177 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.178 INFO [stderr] 
Dec 04 20:56:19.178 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.178 INFO [stderr]   --> src/main.rs:20:5
Dec 04 20:56:19.178 INFO [stderr]    |
Dec 04 20:56:19.178 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 04 20:56:19.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.178 INFO [stderr]    |
Dec 04 20:56:19.178 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.178 INFO [stderr] 
Dec 04 20:56:19.178 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.178 INFO [stderr]   --> src/main.rs:38:9
Dec 04 20:56:19.178 INFO [stderr]    |
Dec 04 20:56:19.178 INFO [stderr] 38 |         io::stdout().flush();
Dec 04 20:56:19.178 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.178 INFO [stderr]    |
Dec 04 20:56:19.178 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.178 INFO [stderr] 
Dec 04 20:56:19.178 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.178 INFO [stderr]   --> src/main.rs:41:9
Dec 04 20:56:19.178 INFO [stderr]    |
Dec 04 20:56:19.178 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 04 20:56:19.178 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.179 INFO [stderr]    |
Dec 04 20:56:19.179 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.179 INFO [stderr] 
Dec 04 20:56:19.179 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.179 INFO [stderr]   --> src/main.rs:57:17
Dec 04 20:56:19.179 INFO [stderr]    |
Dec 04 20:56:19.179 INFO [stderr] 57 |                 io::stdout().flush();
Dec 04 20:56:19.180 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.180 INFO [stderr]    |
Dec 04 20:56:19.180 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.180 INFO [stderr] 
Dec 04 20:56:19.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.180 INFO [stderr]   --> src/main.rs:58:17
Dec 04 20:56:19.180 INFO [stderr]    |
Dec 04 20:56:19.180 INFO [stderr] 58 |                 io::stdin().read_line(&mut sender);
Dec 04 20:56:19.180 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.180 INFO [stderr]    |
Dec 04 20:56:19.181 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.181 INFO [stderr] 
Dec 04 20:56:19.181 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.181 INFO [stderr]   --> src/main.rs:60:17
Dec 04 20:56:19.181 INFO [stderr]    |
Dec 04 20:56:19.181 INFO [stderr] 60 |                 io::stdout().flush();
Dec 04 20:56:19.181 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.181 INFO [stderr]    |
Dec 04 20:56:19.181 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.181 INFO [stderr] 
Dec 04 20:56:19.182 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.182 INFO [stderr]   --> src/main.rs:61:17
Dec 04 20:56:19.182 INFO [stderr]    |
Dec 04 20:56:19.182 INFO [stderr] 61 |                 io::stdin().read_line(&mut receiver);
Dec 04 20:56:19.182 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.182 INFO [stderr]    |
Dec 04 20:56:19.182 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.182 INFO [stderr] 
Dec 04 20:56:19.183 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.183 INFO [stderr]   --> src/main.rs:63:17
Dec 04 20:56:19.183 INFO [stderr]    |
Dec 04 20:56:19.183 INFO [stderr] 63 |                 io::stdout().flush();
Dec 04 20:56:19.183 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.183 INFO [stderr]    |
Dec 04 20:56:19.183 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.183 INFO [stderr] 
Dec 04 20:56:19.183 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.183 INFO [stderr]   --> src/main.rs:64:17
Dec 04 20:56:19.183 INFO [stderr]    |
Dec 04 20:56:19.184 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Dec 04 20:56:19.184 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.184 INFO [stderr]    |
Dec 04 20:56:19.184 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.184 INFO [stderr] 
Dec 04 20:56:19.184 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.184 INFO [stderr]   --> src/main.rs:90:17
Dec 04 20:56:19.184 INFO [stderr]    |
Dec 04 20:56:19.184 INFO [stderr] 90 |                 io::stdout().flush();
Dec 04 20:56:19.184 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.185 INFO [stderr]    |
Dec 04 20:56:19.185 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.185 INFO [stderr] 
Dec 04 20:56:19.187 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.187 INFO [stderr]   --> src/main.rs:91:17
Dec 04 20:56:19.187 INFO [stderr]    |
Dec 04 20:56:19.187 INFO [stderr] 91 |                 io::stdin().read_line(&mut new_difficulty);
Dec 04 20:56:19.187 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.188 INFO [stderr]    |
Dec 04 20:56:19.188 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.188 INFO [stderr] 
Dec 04 20:56:19.188 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.188 INFO [stderr]    --> src/main.rs:105:17
Dec 04 20:56:19.188 INFO [stderr]     |
Dec 04 20:56:19.188 INFO [stderr] 105 |                 io::stdout().flush();
Dec 04 20:56:19.188 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.188 INFO [stderr]     |
Dec 04 20:56:19.189 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.189 INFO [stderr] 
Dec 04 20:56:19.189 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.189 INFO [stderr]    --> src/main.rs:106:17
Dec 04 20:56:19.189 INFO [stderr]     |
Dec 04 20:56:19.189 INFO [stderr] 106 |                 io::stdin().read_line(&mut new_reward);
Dec 04 20:56:19.189 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.189 INFO [stderr]     |
Dec 04 20:56:19.189 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.189 INFO [stderr] 
Dec 04 20:56:19.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.377 INFO [stderr]   --> src/main.rs:16:5
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr] 16 |     io::stdout().flush();
Dec 04 20:56:19.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 20:56:19.377 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.377 INFO [stderr] 
Dec 04 20:56:19.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.377 INFO [stderr]   --> src/main.rs:17:5
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_address);
Dec 04 20:56:19.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.377 INFO [stderr] 
Dec 04 20:56:19.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.377 INFO [stderr]   --> src/main.rs:19:5
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr] 19 |     io::stdout().flush();
Dec 04 20:56:19.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.377 INFO [stderr] 
Dec 04 20:56:19.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.377 INFO [stderr]   --> src/main.rs:20:5
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 04 20:56:19.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.377 INFO [stderr] 
Dec 04 20:56:19.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.377 INFO [stderr]   --> src/main.rs:38:9
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr] 38 |         io::stdout().flush();
Dec 04 20:56:19.377 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.377 INFO [stderr] 
Dec 04 20:56:19.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.377 INFO [stderr]   --> src/main.rs:41:9
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr] 41 |         io::stdin().read_line(&mut choice);
Dec 04 20:56:19.377 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.377 INFO [stderr]    |
Dec 04 20:56:19.377 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.377 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:57:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 57 |                 io::stdout().flush();
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:58:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 58 |                 io::stdin().read_line(&mut sender);
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:60:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 60 |                 io::stdout().flush();
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:61:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 61 |                 io::stdin().read_line(&mut receiver);
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:63:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 63 |                 io::stdout().flush();
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:64:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 64 |                 io::stdin().read_line(&mut amount);
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.378 INFO [stderr]   --> src/main.rs:90:17
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr] 90 |                 io::stdout().flush();
Dec 04 20:56:19.378 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.378 INFO [stderr]    |
Dec 04 20:56:19.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.378 INFO [stderr] 
Dec 04 20:56:19.379 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.379 INFO [stderr]   --> src/main.rs:91:17
Dec 04 20:56:19.379 INFO [stderr]    |
Dec 04 20:56:19.379 INFO [stderr] 91 |                 io::stdin().read_line(&mut new_difficulty);
Dec 04 20:56:19.379 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.379 INFO [stderr]    |
Dec 04 20:56:19.379 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.379 INFO [stderr] 
Dec 04 20:56:19.379 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.379 INFO [stderr]    --> src/main.rs:105:17
Dec 04 20:56:19.379 INFO [stderr]     |
Dec 04 20:56:19.379 INFO [stderr] 105 |                 io::stdout().flush();
Dec 04 20:56:19.379 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.379 INFO [stderr]     |
Dec 04 20:56:19.379 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.379 INFO [stderr] 
Dec 04 20:56:19.379 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:56:19.379 INFO [stderr]    --> src/main.rs:106:17
Dec 04 20:56:19.379 INFO [stderr]     |
Dec 04 20:56:19.379 INFO [stderr] 106 |                 io::stdin().read_line(&mut new_reward);
Dec 04 20:56:19.379 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:56:19.379 INFO [stderr]     |
Dec 04 20:56:19.379 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:56:19.379 INFO [stderr] 
Dec 04 20:56:19.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
Dec 04 20:56:19.435 INFO [stderr] su: No module specific data is present
Dec 04 20:56:20.463 INFO running `"docker" "inspect" "f08e211f6b7b360443fe8cb13ccb94471642df580ceafa62de63f44a2efa5c2f"`
Dec 04 20:56:20.803 INFO running `"docker" "rm" "-f" "f08e211f6b7b360443fe8cb13ccb94471642df580ceafa62de63f44a2efa5c2f"`
Dec 04 20:56:21.075 INFO [stdout] f08e211f6b7b360443fe8cb13ccb94471642df580ceafa62de63f44a2efa5c2f