WIP: attemp to fix 149

[asakura]

#149

The core issue is that nu_parser attempts to compile a block while parsing. Because it has already accumulated ParseErrors::ModuleNotFound and ParseErrors::VariableNotFound errors in the working set, the compilation fails and barks to stderr. As a result, nufmt never gets the chance to filter out these parsing errors.

at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parser.rs:6748:18
1: nu_parser::parse_keywords::parse_def_inner
at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parse_keywords.rs:649:25
2: nu_parser::parse_keywords::parse_def
at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parse_keywords.rs:455:24
3: nu_parser::parser::parse_builtin_commands
at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parser.rs:6195:19
4: nu_parser::parser::parse_pipeline
at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parser.rs:6640:9
5: nu_parser::parser::parse_block
at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parser.rs:6674:24
6: nu_parser::parser::parse
at /home/asakura/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/nu-parser-0.110.0/src/parser.rs:7258:22
7: nu_formatter::formatting::format_inner_with_options