fix: fuzz targets missing target dir and silent CI failures

Author: pocopepe

.github/workflows/fuzzing.yml

@@ -68,7 +68,7 @@ jobs:
             fuzz/corpus/${{ matrix.test-target.name }}
       - name: Run ${{ matrix.test-target.name }} for XX seconds
         shell: bash
-        continue-on-error: ${{ !matrix.test-target.name.should_pass }}
+        continue-on-error: ${{ !matrix.test-target.should_pass }}
         run: |
           cargo fuzz run ${{ matrix.test-target.name }} -- -max_total_time=${{ env.RUN_FOR }} -detect_leaks=0
       - name: Save Corpus Cache

fuzz/fuzz_targets/fuzz_cmp.rs

@@ -4,7 +4,7 @@ extern crate libfuzzer_sys;
 use diffutilslib::cmp::{self, Cmp};
 
 use std::ffi::OsString;
-use std::fs::File;
+use std::fs::{self, File};
 use std::io::Write;
 
 fn os(s: &str) -> OsString {
@@ -18,7 +18,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
         .peekable();
 
     let (from, to) = x;
-
+    fs::create_dir_all("target").unwrap();
     File::create("target/fuzz.cmp.a")
         .unwrap()
         .write_all(&from)

fuzz/fuzz_targets/fuzz_ed.rs

@@ -38,6 +38,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
     } else {
         return;
     }
+    fs::create_dir_all("target").unwrap();
     let diff = diff_w(&from, &to, "target/fuzz.file").unwrap();
     File::create("target/fuzz.file.original")
         .unwrap()

fuzz/fuzz_targets/fuzz_normal.rs

@@ -23,6 +23,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
         return
     }*/
     let diff = normal_diff::diff(&from, &to, &Params::default());
+    fs::create_dir_all("target").unwrap();
     File::create("target/fuzz.file.original")
         .unwrap()
         .write_all(&from)

fuzz/fuzz_targets/fuzz_patch.rs

@@ -21,6 +21,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>, u8)| {
     } else {
         return
     }*/
+    fs::create_dir_all("target").unwrap();
     let diff = unified_diff::diff(
         &from,
         &to,

fuzz/fuzz_targets/fuzz_side.rs

@@ -4,7 +4,7 @@ extern crate libfuzzer_sys;
 
 use diffutilslib::side_diff;
 
-use std::fs::File;
+use std::fs::{self, File};
 use std::io::Write;
 use diffutilslib::params::Params;
 
@@ -21,6 +21,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>, /* usize, usize */ bool)| {
         expand_tabs: expand,
         ..Default::default()
     };
+    fs::create_dir_all("target").unwrap();
     let mut output_buf = vec![];
     side_diff::diff(&original, &new, &mut output_buf, &params);
     File::create("target/fuzz.file.original")