Dec 11 22:24:31.778 INFO checking arjanvaneersel/rust-blockchain against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:24:31.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 22:24:31.980 INFO [stdout] 4d13f67958beb4e3b3dc47fb34ff4dabbbb56739986c35cc7484d8263da7aaa9
Dec 11 22:24:31.994 INFO running `"docker" "start" "-a" "4d13f67958beb4e3b3dc47fb34ff4dabbbb56739986c35cc7484d8263da7aaa9"`
Dec 11 22:24:32.493 INFO [stderr] usermod: no changes
Dec 11 22:24:32.606 INFO [stderr]     Checking serde_json v1.0.12
Dec 11 22:24:34.638 INFO [stderr]     Checking bfs v0.1.0 (/source)
Dec 11 22:24:36.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.104 INFO [stderr]   --> src/main.rs:17:5
Dec 11 22:24:36.105 INFO [stderr]    |
Dec 11 22:24:36.105 INFO [stderr] 17 |     io::stdout().flush();
Dec 11 22:24:36.105 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.105 INFO [stderr]    |
Dec 11 22:24:36.106 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:24:36.106 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.106 INFO [stderr] 
Dec 11 22:24:36.107 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.107 INFO [stderr]   --> src/main.rs:18:5
Dec 11 22:24:36.107 INFO [stderr]    |
Dec 11 22:24:36.107 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 11 22:24:36.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.108 INFO [stderr]    |
Dec 11 22:24:36.108 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.108 INFO [stderr] 
Dec 11 22:24:36.109 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.109 INFO [stderr]   --> src/main.rs:21:5
Dec 11 22:24:36.109 INFO [stderr]    |
Dec 11 22:24:36.109 INFO [stderr] 21 |     io::stdout().flush();
Dec 11 22:24:36.110 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.110 INFO [stderr]    |
Dec 11 22:24:36.110 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.110 INFO [stderr] 
Dec 11 22:24:36.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.111 INFO [stderr]   --> src/main.rs:22:5
Dec 11 22:24:36.111 INFO [stderr]    |
Dec 11 22:24:36.111 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 11 22:24:36.112 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.112 INFO [stderr]    |
Dec 11 22:24:36.112 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.112 INFO [stderr] 
Dec 11 22:24:36.113 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.113 INFO [stderr]   --> src/main.rs:36:9
Dec 11 22:24:36.113 INFO [stderr]    |
Dec 11 22:24:36.114 INFO [stderr] 36 |         io::stdout().flush();
Dec 11 22:24:36.114 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.114 INFO [stderr]    |
Dec 11 22:24:36.114 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.114 INFO [stderr] 
Dec 11 22:24:36.115 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.115 INFO [stderr]   --> src/main.rs:38:9
Dec 11 22:24:36.115 INFO [stderr]    |
Dec 11 22:24:36.116 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 11 22:24:36.116 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.116 INFO [stderr]    |
Dec 11 22:24:36.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.116 INFO [stderr] 
Dec 11 22:24:36.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.117 INFO [stderr]   --> src/main.rs:52:17
Dec 11 22:24:36.117 INFO [stderr]    |
Dec 11 22:24:36.117 INFO [stderr] 52 |                 io::stdout().flush();
Dec 11 22:24:36.117 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.118 INFO [stderr]    |
Dec 11 22:24:36.118 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.118 INFO [stderr] 
Dec 11 22:24:36.118 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.118 INFO [stderr]   --> src/main.rs:53:17
Dec 11 22:24:36.118 INFO [stderr]    |
Dec 11 22:24:36.118 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 11 22:24:36.118 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.118 INFO [stderr]    |
Dec 11 22:24:36.118 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.118 INFO [stderr] 
Dec 11 22:24:36.119 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.119 INFO [stderr]   --> src/main.rs:56:17
Dec 11 22:24:36.119 INFO [stderr]    |
Dec 11 22:24:36.119 INFO [stderr] 56 |                 io::stdout().flush();
Dec 11 22:24:36.119 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.119 INFO [stderr]    |
Dec 11 22:24:36.119 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.119 INFO [stderr] 
Dec 11 22:24:36.119 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.119 INFO [stderr]   --> src/main.rs:57:17
Dec 11 22:24:36.119 INFO [stderr]    |
Dec 11 22:24:36.119 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 11 22:24:36.119 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.120 INFO [stderr]    |
Dec 11 22:24:36.120 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.120 INFO [stderr] 
Dec 11 22:24:36.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.120 INFO [stderr]   --> src/main.rs:60:17
Dec 11 22:24:36.120 INFO [stderr]    |
Dec 11 22:24:36.120 INFO [stderr] 60 |                 io::stdout().flush();
Dec 11 22:24:36.120 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.120 INFO [stderr]    |
Dec 11 22:24:36.120 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.121 INFO [stderr] 
Dec 11 22:24:36.121 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.121 INFO [stderr]   --> src/main.rs:61:17
Dec 11 22:24:36.121 INFO [stderr]    |
Dec 11 22:24:36.121 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 11 22:24:36.121 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.121 INFO [stderr]    |
Dec 11 22:24:36.121 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.121 INFO [stderr] 
Dec 11 22:24:36.122 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.122 INFO [stderr]   --> src/main.rs:80:17
Dec 11 22:24:36.122 INFO [stderr]    |
Dec 11 22:24:36.122 INFO [stderr] 80 |                 io::stdout().flush();
Dec 11 22:24:36.122 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.122 INFO [stderr]    |
Dec 11 22:24:36.122 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.122 INFO [stderr] 
Dec 11 22:24:36.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.123 INFO [stderr]   --> src/main.rs:81:17
Dec 11 22:24:36.123 INFO [stderr]    |
Dec 11 22:24:36.123 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 11 22:24:36.123 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.123 INFO [stderr]    |
Dec 11 22:24:36.123 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.123 INFO [stderr] 
Dec 11 22:24:36.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.124 INFO [stderr]   --> src/main.rs:93:17
Dec 11 22:24:36.124 INFO [stderr]    |
Dec 11 22:24:36.124 INFO [stderr] 93 |                 io::stdout().flush();
Dec 11 22:24:36.124 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.124 INFO [stderr]    |
Dec 11 22:24:36.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.124 INFO [stderr] 
Dec 11 22:24:36.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.124 INFO [stderr]   --> src/main.rs:94:17
Dec 11 22:24:36.124 INFO [stderr]    |
Dec 11 22:24:36.124 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 11 22:24:36.124 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.124 INFO [stderr]    |
Dec 11 22:24:36.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.125 INFO [stderr] 
Dec 11 22:24:36.129 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.129 INFO [stderr]   --> src/main.rs:17:5
Dec 11 22:24:36.129 INFO [stderr]    |
Dec 11 22:24:36.129 INFO [stderr] 17 |     io::stdout().flush();
Dec 11 22:24:36.129 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.129 INFO [stderr]    |
Dec 11 22:24:36.129 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:24:36.129 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.129 INFO [stderr] 
Dec 11 22:24:36.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.130 INFO [stderr]   --> src/main.rs:18:5
Dec 11 22:24:36.130 INFO [stderr]    |
Dec 11 22:24:36.130 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 11 22:24:36.130 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.130 INFO [stderr]    |
Dec 11 22:24:36.130 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.130 INFO [stderr] 
Dec 11 22:24:36.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.130 INFO [stderr]   --> src/main.rs:21:5
Dec 11 22:24:36.130 INFO [stderr]    |
Dec 11 22:24:36.130 INFO [stderr] 21 |     io::stdout().flush();
Dec 11 22:24:36.130 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.133 INFO [stderr]    |
Dec 11 22:24:36.133 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.133 INFO [stderr] 
Dec 11 22:24:36.134 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.134 INFO [stderr]   --> src/main.rs:22:5
Dec 11 22:24:36.134 INFO [stderr]    |
Dec 11 22:24:36.134 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 11 22:24:36.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.134 INFO [stderr]    |
Dec 11 22:24:36.134 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.134 INFO [stderr] 
Dec 11 22:24:36.134 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.134 INFO [stderr]   --> src/main.rs:36:9
Dec 11 22:24:36.134 INFO [stderr]    |
Dec 11 22:24:36.134 INFO [stderr] 36 |         io::stdout().flush();
Dec 11 22:24:36.135 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.135 INFO [stderr]    |
Dec 11 22:24:36.135 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.135 INFO [stderr] 
Dec 11 22:24:36.135 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.135 INFO [stderr]   --> src/main.rs:38:9
Dec 11 22:24:36.135 INFO [stderr]    |
Dec 11 22:24:36.136 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 11 22:24:36.136 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.136 INFO [stderr]    |
Dec 11 22:24:36.136 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.137 INFO [stderr] 
Dec 11 22:24:36.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.137 INFO [stderr]   --> src/main.rs:52:17
Dec 11 22:24:36.137 INFO [stderr]    |
Dec 11 22:24:36.137 INFO [stderr] 52 |                 io::stdout().flush();
Dec 11 22:24:36.137 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.137 INFO [stderr]    |
Dec 11 22:24:36.137 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.137 INFO [stderr] 
Dec 11 22:24:36.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.137 INFO [stderr]   --> src/main.rs:53:17
Dec 11 22:24:36.137 INFO [stderr]    |
Dec 11 22:24:36.137 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 11 22:24:36.137 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.138 INFO [stderr]    |
Dec 11 22:24:36.138 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.138 INFO [stderr] 
Dec 11 22:24:36.138 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.138 INFO [stderr]   --> src/main.rs:56:17
Dec 11 22:24:36.138 INFO [stderr]    |
Dec 11 22:24:36.138 INFO [stderr] 56 |                 io::stdout().flush();
Dec 11 22:24:36.138 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.138 INFO [stderr]    |
Dec 11 22:24:36.138 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.138 INFO [stderr] 
Dec 11 22:24:36.138 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.138 INFO [stderr]   --> src/main.rs:57:17
Dec 11 22:24:36.138 INFO [stderr]    |
Dec 11 22:24:36.138 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 11 22:24:36.138 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.138 INFO [stderr]    |
Dec 11 22:24:36.138 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.138 INFO [stderr] 
Dec 11 22:24:36.138 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.139 INFO [stderr]   --> src/main.rs:60:17
Dec 11 22:24:36.139 INFO [stderr]    |
Dec 11 22:24:36.139 INFO [stderr] 60 |                 io::stdout().flush();
Dec 11 22:24:36.139 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.139 INFO [stderr]    |
Dec 11 22:24:36.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.139 INFO [stderr] 
Dec 11 22:24:36.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.139 INFO [stderr]   --> src/main.rs:61:17
Dec 11 22:24:36.139 INFO [stderr]    |
Dec 11 22:24:36.139 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 11 22:24:36.139 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.139 INFO [stderr]    |
Dec 11 22:24:36.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.139 INFO [stderr] 
Dec 11 22:24:36.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.144 INFO [stderr]   --> src/main.rs:80:17
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr] 80 |                 io::stdout().flush();
Dec 11 22:24:36.144 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.144 INFO [stderr] 
Dec 11 22:24:36.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.144 INFO [stderr]   --> src/main.rs:81:17
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 11 22:24:36.144 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.144 INFO [stderr] 
Dec 11 22:24:36.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.144 INFO [stderr]   --> src/main.rs:93:17
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr] 93 |                 io::stdout().flush();
Dec 11 22:24:36.144 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.144 INFO [stderr] 
Dec 11 22:24:36.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:24:36.144 INFO [stderr]   --> src/main.rs:94:17
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 11 22:24:36.144 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:24:36.144 INFO [stderr]    |
Dec 11 22:24:36.144 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:24:36.144 INFO [stderr] 
Dec 11 22:24:36.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
Dec 11 22:24:36.165 INFO [stderr] su: No module specific data is present
Dec 11 22:24:37.124 INFO running `"docker" "inspect" "4d13f67958beb4e3b3dc47fb34ff4dabbbb56739986c35cc7484d8263da7aaa9"`
Dec 11 22:24:37.470 INFO running `"docker" "rm" "-f" "4d13f67958beb4e3b3dc47fb34ff4dabbbb56739986c35cc7484d8263da7aaa9"`
Dec 11 22:24:37.768 INFO [stdout] 4d13f67958beb4e3b3dc47fb34ff4dabbbb56739986c35cc7484d8263da7aaa9