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[INFO] [stdout] warning: field `fn_pass_manager` is never read
[INFO] [stdout]    --> src/codegen/llvm/mod.rs:767:5
[INFO] [stdout]     |
[INFO] [stdout] 763 | pub struct JitEngine<'codegen, 'context: 'codegen> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 767 |     fn_pass_manager: PassManager<FunctionValue<'context>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const GREEN_FG: &str = "\x1B[38;5;2m";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const YELLOW_FG: &str = "\x1B[38;5;3m";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGENTA_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAGENTA_FG: &str = "\x1B[38;5;5m";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_BLUE_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const LIGHT_BLUE_FG: &str = "\x1B[38;5;6m";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DARK_GRAY_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DARK_GRAY_FG: &str = "\x1B[38;5;8m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_RED_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LIGHT_RED_FG: &str = "\x1B[38;5;9m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fn_pass_manager` is never read
[INFO] [stdout]    --> src/codegen/llvm/mod.rs:767:5
[INFO] [stdout]     |
[INFO] [stdout] 763 | pub struct JitEngine<'codegen, 'context: 'codegen> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 767 |     fn_pass_manager: PassManager<FunctionValue<'context>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const GREEN_FG: &str = "\x1B[38;5;2m";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const YELLOW_FG: &str = "\x1B[38;5;3m";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGENTA_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAGENTA_FG: &str = "\x1B[38;5;5m";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_BLUE_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const LIGHT_BLUE_FG: &str = "\x1B[38;5;6m";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DARK_GRAY_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DARK_GRAY_FG: &str = "\x1B[38;5;8m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_RED_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LIGHT_RED_FG: &str = "\x1B[38;5;9m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fn_pass_manager` is never read
[INFO] [stdout]    --> src/codegen/llvm/mod.rs:767:5
[INFO] [stdout]     |
[INFO] [stdout] 763 | pub struct JitEngine<'codegen, 'context: 'codegen> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 767 |     fn_pass_manager: PassManager<FunctionValue<'context>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const GREEN_FG: &str = "\x1B[38;5;2m";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const YELLOW_FG: &str = "\x1B[38;5;3m";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGENTA_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAGENTA_FG: &str = "\x1B[38;5;5m";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_BLUE_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const LIGHT_BLUE_FG: &str = "\x1B[38;5;6m";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DARK_GRAY_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DARK_GRAY_FG: &str = "\x1B[38;5;8m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_RED_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LIGHT_RED_FG: &str = "\x1B[38;5;9m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fn_pass_manager` is never read
[INFO] [stdout]    --> src/codegen/llvm/mod.rs:767:5
[INFO] [stdout]     |
[INFO] [stdout] 763 | pub struct JitEngine<'codegen, 'context: 'codegen> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 767 |     fn_pass_manager: PassManager<FunctionValue<'context>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREEN_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const GREEN_FG: &str = "\x1B[38;5;2m";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const YELLOW_FG: &str = "\x1B[38;5;3m";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGENTA_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAGENTA_FG: &str = "\x1B[38;5;5m";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_BLUE_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const LIGHT_BLUE_FG: &str = "\x1B[38;5;6m";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DARK_GRAY_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DARK_GRAY_FG: &str = "\x1B[38;5;8m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIGHT_RED_FG` is never used
[INFO] [stdout]   --> src/userfacing_error.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const LIGHT_RED_FG: &str = "\x1B[38;5;9m";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "27147257a03053177eca02c0e870a2f927b30faab009e94344d39f213db89bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27147257a03053177eca02c0e870a2f927b30faab009e94344d39f213db89bb0", kill_on_drop: false }`
[INFO] [stdout] 27147257a03053177eca02c0e870a2f927b30faab009e94344d39f213db89bb0
