Dec 19 20:21:11.151 INFO checking arjanvaneersel/rust-blockchain against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:21:11.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/arjanvaneersel/rust-blockchain:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:21:11.655 INFO [stdout] 92abebf83696e17d78385d83b9ca23728437843bdd99918780bf5adf5727d817
Dec 19 20:21:11.655 INFO running `"docker" "start" "-a" "92abebf83696e17d78385d83b9ca23728437843bdd99918780bf5adf5727d817"`
Dec 19 20:21:13.180 INFO [stderr]     Checking bfs v0.1.0 (/opt/crater/workdir)
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:17:5
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 17 |     io::stdout().flush();
Dec 19 20:21:14.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:18:5
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 19 20:21:14.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:21:5
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 21 |     io::stdout().flush();
Dec 19 20:21:14.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:22:5
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 19 20:21:14.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:36:9
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 36 |         io::stdout().flush();
Dec 19 20:21:14.141 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:38:9
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 19 20:21:14.141 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:52:17
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 52 |                 io::stdout().flush();
Dec 19 20:21:14.141 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:53:17
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 19 20:21:14.141 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.141 INFO [stderr] 
Dec 19 20:21:14.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.141 INFO [stderr]   --> src/main.rs:56:17
Dec 19 20:21:14.141 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 56 |                 io::stdout().flush();
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:57:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:60:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 60 |                 io::stdout().flush();
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:61:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:80:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 80 |                 io::stdout().flush();
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:81:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:93:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 93 |                 io::stdout().flush();
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.142 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.142 INFO [stderr]   --> src/main.rs:94:17
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 19 20:21:14.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.142 INFO [stderr]    |
Dec 19 20:21:14.142 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.142 INFO [stderr] 
Dec 19 20:21:14.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.152 INFO [stderr]   --> src/main.rs:17:5
Dec 19 20:21:14.152 INFO [stderr]    |
Dec 19 20:21:14.152 INFO [stderr] 17 |     io::stdout().flush();
Dec 19 20:21:14.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.152 INFO [stderr]    |
Dec 19 20:21:14.152 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:21:14.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.152 INFO [stderr] 
Dec 19 20:21:14.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.152 INFO [stderr]   --> src/main.rs:18:5
Dec 19 20:21:14.152 INFO [stderr]    |
Dec 19 20:21:14.152 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 19 20:21:14.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.152 INFO [stderr]    |
Dec 19 20:21:14.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.152 INFO [stderr] 
Dec 19 20:21:14.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.152 INFO [stderr]   --> src/main.rs:21:5
Dec 19 20:21:14.152 INFO [stderr]    |
Dec 19 20:21:14.152 INFO [stderr] 21 |     io::stdout().flush();
Dec 19 20:21:14.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.152 INFO [stderr]    |
Dec 19 20:21:14.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.153 INFO [stderr] 
Dec 19 20:21:14.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.153 INFO [stderr]   --> src/main.rs:22:5
Dec 19 20:21:14.153 INFO [stderr]    |
Dec 19 20:21:14.153 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 19 20:21:14.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.153 INFO [stderr]    |
Dec 19 20:21:14.153 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.153 INFO [stderr] 
Dec 19 20:21:14.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.153 INFO [stderr]   --> src/main.rs:36:9
Dec 19 20:21:14.153 INFO [stderr]    |
Dec 19 20:21:14.153 INFO [stderr] 36 |         io::stdout().flush();
Dec 19 20:21:14.153 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.153 INFO [stderr]    |
Dec 19 20:21:14.153 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.153 INFO [stderr] 
Dec 19 20:21:14.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.153 INFO [stderr]   --> src/main.rs:38:9
Dec 19 20:21:14.153 INFO [stderr]    |
Dec 19 20:21:14.153 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 19 20:21:14.153 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.153 INFO [stderr]    |
Dec 19 20:21:14.153 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.153 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:52:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 52 |                 io::stdout().flush();
Dec 19 20:21:14.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.156 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:53:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 19 20:21:14.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.156 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:56:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 56 |                 io::stdout().flush();
Dec 19 20:21:14.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.156 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:57:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 19 20:21:14.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.156 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:60:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 60 |                 io::stdout().flush();
Dec 19 20:21:14.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.156 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:61:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 19 20:21:14.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.156 INFO [stderr] 
Dec 19 20:21:14.156 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.156 INFO [stderr]   --> src/main.rs:80:17
Dec 19 20:21:14.156 INFO [stderr]    |
Dec 19 20:21:14.156 INFO [stderr] 80 |                 io::stdout().flush();
Dec 19 20:21:14.157 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.157 INFO [stderr] 
Dec 19 20:21:14.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.157 INFO [stderr]   --> src/main.rs:81:17
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 19 20:21:14.157 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.157 INFO [stderr] 
Dec 19 20:21:14.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.157 INFO [stderr]   --> src/main.rs:93:17
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr] 93 |                 io::stdout().flush();
Dec 19 20:21:14.157 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.157 INFO [stderr] 
Dec 19 20:21:14.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:21:14.157 INFO [stderr]   --> src/main.rs:94:17
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 19 20:21:14.157 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:21:14.157 INFO [stderr]    |
Dec 19 20:21:14.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:21:14.157 INFO [stderr] 
Dec 19 20:21:14.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 19 20:21:14.951 INFO running `"docker" "inspect" "92abebf83696e17d78385d83b9ca23728437843bdd99918780bf5adf5727d817"`
Dec 19 20:21:15.277 INFO running `"docker" "rm" "-f" "92abebf83696e17d78385d83b9ca23728437843bdd99918780bf5adf5727d817"`
Dec 19 20:21:15.600 INFO [stdout] 92abebf83696e17d78385d83b9ca23728437843bdd99918780bf5adf5727d817