Dec 18 01:28:22.563 INFO checking dennisfurrer/RustBlockchain against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:28:22.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/dennisfurrer/RustBlockchain:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:28:23.015 INFO [stdout] 5d10770bfc499a14d91788461f0b49313e0b72eb7f635bcd6d55279d9f541b4f
Dec 18 01:28:23.018 INFO running `"docker" "start" "-a" "5d10770bfc499a14d91788461f0b49313e0b72eb7f635bcd6d55279d9f541b4f"`
Dec 18 01:28:25.092 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 18 01:28:25.889 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.889 INFO [stderr]   --> src/main.rs:18:5
Dec 18 01:28:25.889 INFO [stderr]    |
Dec 18 01:28:25.889 INFO [stderr] 18 |     io::stdout().flush();
Dec 18 01:28:25.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.889 INFO [stderr]    |
Dec 18 01:28:25.889 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 01:28:25.889 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.889 INFO [stderr] 
Dec 18 01:28:25.889 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.890 INFO [stderr]   --> src/main.rs:19:5
Dec 18 01:28:25.890 INFO [stderr]    |
Dec 18 01:28:25.890 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Dec 18 01:28:25.890 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.890 INFO [stderr]    |
Dec 18 01:28:25.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.890 INFO [stderr] 
Dec 18 01:28:25.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.890 INFO [stderr]   --> src/main.rs:21:5
Dec 18 01:28:25.890 INFO [stderr]    |
Dec 18 01:28:25.890 INFO [stderr] 21 |     io::stdout().flush();
Dec 18 01:28:25.890 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.890 INFO [stderr]    |
Dec 18 01:28:25.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.890 INFO [stderr] 
Dec 18 01:28:25.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.890 INFO [stderr]   --> src/main.rs:22:5
Dec 18 01:28:25.890 INFO [stderr]    |
Dec 18 01:28:25.890 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 18 01:28:25.890 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.890 INFO [stderr]    |
Dec 18 01:28:25.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.890 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:38:9
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 38 |         io::stdout().flush();
Dec 18 01:28:25.893 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:40:9
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Dec 18 01:28:25.893 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:71:17
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 71 |                 io::stdout().flush();
Dec 18 01:28:25.893 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:72:17
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Dec 18 01:28:25.893 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:74:17
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 74 |                 io::stdout().flush();
Dec 18 01:28:25.893 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:75:17
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Dec 18 01:28:25.893 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:77:17
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 77 |                 io::stdout().flush();
Dec 18 01:28:25.893 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]   --> src/main.rs:78:17
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Dec 18 01:28:25.893 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.893 INFO [stderr]    |
Dec 18 01:28:25.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.893 INFO [stderr] 
Dec 18 01:28:25.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.893 INFO [stderr]    --> src/main.rs:106:17
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr] 106 |                 io::stdout().flush();
Dec 18 01:28:25.894 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.894 INFO [stderr] 
Dec 18 01:28:25.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.894 INFO [stderr]    --> src/main.rs:107:17
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Dec 18 01:28:25.894 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.894 INFO [stderr] 
Dec 18 01:28:25.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.894 INFO [stderr]    --> src/main.rs:119:17
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr] 119 |                 io::stdout().flush();
Dec 18 01:28:25.894 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.894 INFO [stderr] 
Dec 18 01:28:25.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.894 INFO [stderr]    --> src/main.rs:120:17
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Dec 18 01:28:25.894 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.894 INFO [stderr]     |
Dec 18 01:28:25.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.894 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:18:5
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 18 |     io::stdout().flush();
Dec 18 01:28:25.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:19:5
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 19 |     io::stdin().read_line(&mut miner_address);
Dec 18 01:28:25.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:21:5
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 21 |     io::stdout().flush();
Dec 18 01:28:25.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:22:5
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 18 01:28:25.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:38:9
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 38 |         io::stdout().flush();
Dec 18 01:28:25.949 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:40:9
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 40 |         io::stdin().read_line(&mut choice);
Dec 18 01:28:25.949 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:71:17
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 71 |                 io::stdout().flush();
Dec 18 01:28:25.949 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.949 INFO [stderr] 
Dec 18 01:28:25.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.949 INFO [stderr]   --> src/main.rs:72:17
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.949 INFO [stderr] 72 |                 io::stdin().read_line(&mut from);
Dec 18 01:28:25.949 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.949 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]   --> src/main.rs:74:17
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr] 74 |                 io::stdout().flush();
Dec 18 01:28:25.950 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]   --> src/main.rs:75:17
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr] 75 |                 io::stdin().read_line(&mut to);
Dec 18 01:28:25.950 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]   --> src/main.rs:77:17
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr] 77 |                 io::stdout().flush();
Dec 18 01:28:25.950 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]   --> src/main.rs:78:17
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr] 78 |                 io::stdin().read_line(&mut amount);
Dec 18 01:28:25.950 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]    |
Dec 18 01:28:25.950 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]    --> src/main.rs:106:17
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr] 106 |                 io::stdout().flush();
Dec 18 01:28:25.950 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]    --> src/main.rs:107:17
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr] 107 |                 io::stdin().read_line(&mut new_diff);
Dec 18 01:28:25.950 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]    --> src/main.rs:119:17
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr] 119 |                 io::stdout().flush();
Dec 18 01:28:25.950 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:28:25.950 INFO [stderr]    --> src/main.rs:120:17
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr] 120 |                 io::stdin().read_line(&mut new_reward);
Dec 18 01:28:25.950 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:28:25.950 INFO [stderr]     |
Dec 18 01:28:25.950 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:28:25.950 INFO [stderr] 
Dec 18 01:28:25.988 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 18 01:28:26.700 INFO running `"docker" "inspect" "5d10770bfc499a14d91788461f0b49313e0b72eb7f635bcd6d55279d9f541b4f"`
Dec 18 01:28:26.902 INFO running `"docker" "rm" "-f" "5d10770bfc499a14d91788461f0b49313e0b72eb7f635bcd6d55279d9f541b4f"`
Dec 18 01:28:27.120 INFO [stdout] 5d10770bfc499a14d91788461f0b49313e0b72eb7f635bcd6d55279d9f541b4f