Dec 12 03:50:18.789 INFO checking AvishaiW/toy-blochain-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:50:18.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 03:50:19.186 INFO [stdout] 40fa9fb46bee0199e9fd1632f733da0b151eea717ffc39af72d9f083c9a2a80c
Dec 12 03:50:19.188 INFO running `"docker" "start" "-a" "40fa9fb46bee0199e9fd1632f733da0b151eea717ffc39af72d9f083c9a2a80c"`
Dec 12 03:50:20.380 INFO [stderr] usermod: no changes
Dec 12 03:50:20.497 INFO [stderr]     Checking block-buffer v0.7.0
Dec 12 03:50:20.896 INFO [stderr]     Checking sha2 v0.8.0
Dec 12 03:50:21.810 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Dec 12 03:50:23.924 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.924 INFO [stderr]   --> src/main.rs:16:5
Dec 12 03:50:23.924 INFO [stderr]    |
Dec 12 03:50:23.924 INFO [stderr] 16 |     io::stdout().flush();
Dec 12 03:50:23.924 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.924 INFO [stderr]    |
Dec 12 03:50:23.924 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 03:50:23.924 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.924 INFO [stderr] 
Dec 12 03:50:23.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.928 INFO [stderr]   --> src/main.rs:17:5
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 12 03:50:23.928 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.928 INFO [stderr] 
Dec 12 03:50:23.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.928 INFO [stderr]   --> src/main.rs:19:5
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr] 19 |     io::stdout().flush();
Dec 12 03:50:23.928 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.928 INFO [stderr] 
Dec 12 03:50:23.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.928 INFO [stderr]   --> src/main.rs:20:5
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 12 03:50:23.928 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.928 INFO [stderr] 
Dec 12 03:50:23.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.928 INFO [stderr]   --> src/main.rs:33:9
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr] 33 |         io::stdout().flush();
Dec 12 03:50:23.928 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.928 INFO [stderr] 
Dec 12 03:50:23.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.928 INFO [stderr]   --> src/main.rs:35:9
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 12 03:50:23.928 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.928 INFO [stderr] 
Dec 12 03:50:23.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.928 INFO [stderr]   --> src/main.rs:50:17
Dec 12 03:50:23.928 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 50 |                 io::stdout().flush();
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:51:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:53:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 53 |                 io::stdout().flush();
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:54:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:56:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 56 |                 io::stdout().flush();
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:57:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:81:21
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 81 |                     io::stdout().flush();
Dec 12 03:50:23.929 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:82:21
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 82 |                     io::stdin().read_line(&mut new_diff);
Dec 12 03:50:23.929 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:92:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 92 |                 io::stdout().flush();
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:23.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:23.929 INFO [stderr]   --> src/main.rs:93:17
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 12 03:50:23.929 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:23.929 INFO [stderr]    |
Dec 12 03:50:23.929 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:23.929 INFO [stderr] 
Dec 12 03:50:24.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.022 INFO [stderr]   --> src/main.rs:16:5
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr] 16 |     io::stdout().flush();
Dec 12 03:50:24.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 03:50:24.022 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.022 INFO [stderr] 
Dec 12 03:50:24.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.022 INFO [stderr]   --> src/main.rs:17:5
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 12 03:50:24.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.022 INFO [stderr] 
Dec 12 03:50:24.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.022 INFO [stderr]   --> src/main.rs:19:5
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr] 19 |     io::stdout().flush();
Dec 12 03:50:24.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.022 INFO [stderr] 
Dec 12 03:50:24.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.022 INFO [stderr]   --> src/main.rs:20:5
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 12 03:50:24.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.022 INFO [stderr] 
Dec 12 03:50:24.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.022 INFO [stderr]   --> src/main.rs:33:9
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr] 33 |         io::stdout().flush();
Dec 12 03:50:24.022 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.022 INFO [stderr]    |
Dec 12 03:50:24.022 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.023 INFO [stderr] 
Dec 12 03:50:24.023 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.023 INFO [stderr]   --> src/main.rs:35:9
Dec 12 03:50:24.023 INFO [stderr]    |
Dec 12 03:50:24.023 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 12 03:50:24.023 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.023 INFO [stderr]    |
Dec 12 03:50:24.023 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.023 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:50:17
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 50 |                 io::stdout().flush();
Dec 12 03:50:24.024 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.024 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:51:17
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 12 03:50:24.024 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.024 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:53:17
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 53 |                 io::stdout().flush();
Dec 12 03:50:24.024 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.024 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:54:17
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 12 03:50:24.024 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.024 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:56:17
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 56 |                 io::stdout().flush();
Dec 12 03:50:24.024 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.024 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:57:17
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 12 03:50:24.024 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.024 INFO [stderr] 
Dec 12 03:50:24.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.024 INFO [stderr]   --> src/main.rs:81:21
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.024 INFO [stderr] 81 |                     io::stdout().flush();
Dec 12 03:50:24.024 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.024 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.025 INFO [stderr] 
Dec 12 03:50:24.025 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.025 INFO [stderr]   --> src/main.rs:82:21
Dec 12 03:50:24.025 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr] 82 |                     io::stdin().read_line(&mut new_diff);
Dec 12 03:50:24.025 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.025 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.025 INFO [stderr] 
Dec 12 03:50:24.025 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.025 INFO [stderr]   --> src/main.rs:92:17
Dec 12 03:50:24.025 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr] 92 |                 io::stdout().flush();
Dec 12 03:50:24.025 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.025 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.025 INFO [stderr] 
Dec 12 03:50:24.025 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:50:24.025 INFO [stderr]   --> src/main.rs:93:17
Dec 12 03:50:24.025 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 12 03:50:24.025 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:50:24.025 INFO [stderr]    |
Dec 12 03:50:24.025 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:50:24.025 INFO [stderr] 
Dec 12 03:50:24.074 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
Dec 12 03:50:24.080 INFO [stderr] su: No module specific data is present
Dec 12 03:50:24.832 INFO running `"docker" "inspect" "40fa9fb46bee0199e9fd1632f733da0b151eea717ffc39af72d9f083c9a2a80c"`
Dec 12 03:50:25.060 INFO running `"docker" "rm" "-f" "40fa9fb46bee0199e9fd1632f733da0b151eea717ffc39af72d9f083c9a2a80c"`
Dec 12 03:50:25.268 INFO [stdout] 40fa9fb46bee0199e9fd1632f733da0b151eea717ffc39af72d9f083c9a2a80c