diff --git a/target-spec-miette/tests/datatest-snapshot/custom.rs b/target-spec-miette/tests/datatest-snapshot/custom.rs
index 341037cbd85..81f2d854e61 100644
--- a/target-spec-miette/tests/datatest-snapshot/custom.rs
+++ b/target-spec-miette/tests/datatest-snapshot/custom.rs
@@ -12,6 +12,8 @@ use target_spec::TargetFeatures;
 use target_spec_miette::IntoMietteDiagnostic;
 
 pub(crate) fn custom_invalid(path: &Utf8Path, contents: String) -> datatest_stable::Result<()> {
+    std::env::set_var("CLICOLOR_FORCE", "1");
+
     let (_guard, insta_prefix) =
         bind_insta_settings(path, "../datatest-snapshot/snapshots/custom-invalid");
 
diff --git a/target-spec-miette/tests/datatest-snapshot/expr.rs b/target-spec-miette/tests/datatest-snapshot/expr.rs
index 19c5ac1009e..3860df194a9 100644
--- a/target-spec-miette/tests/datatest-snapshot/expr.rs
+++ b/target-spec-miette/tests/datatest-snapshot/expr.rs
@@ -6,6 +6,8 @@ use datatest_stable::Utf8Path;
 use target_spec_miette::IntoMietteDiagnostic;
 
 pub(crate) fn expr_invalid(path: &Utf8Path, contents: String) -> datatest_stable::Result<()> {
+    std::env::set_var("CLICOLOR_FORCE", "1");
+
     let (_guard, insta_prefix) =
         bind_insta_settings(path, "../datatest-snapshot/snapshots/expr-invalid");
 
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-arch.json-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-arch.json-display.snap
index 41ad26660be..0143868125d 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-arch.json-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-arch.json-display.snap
@@ -1,13 +1,13 @@
 ---
-source: target-spec-miette/tests/snapshot/custom.rs
+source: target-spec-miette/tests/datatest-snapshot/custom.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error deserializing custom target JSON for `my-target`
+  × error deserializing custom target JSON for `my-target`
    ╭─[2:13]
- 1 │ {
- 2 │   "arch": 123,
-   ·             ▲
-   ·             ╰── invalid type: integer `123`, expected a string
- 3 │   "cpu": "x86-64",
+ 1 │ {
+ 2 │   "arch": 123,
+   ·             ▲
+   ·             ╰── invalid type: integer `123`, expected a string
+ 3 │   "cpu": "x86-64",
    ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-endian.json-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-endian.json-display.snap
index f4a0364d15c..10b7979b405 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-endian.json-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-endian.json-display.snap
@@ -1,13 +1,13 @@
 ---
-source: target-spec-miette/tests/snapshot/custom.rs
+source: target-spec-miette/tests/datatest-snapshot/custom.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error deserializing custom target JSON for `my-target`
+  × error deserializing custom target JSON for `my-target`
     ╭─[32:29]
- 31 │     },
- 32 │     "target-endian": "middle",
-    ·                             ▲
-    ·                             ╰── unknown variant `middle`, expected `little` or `big`
- 33 │     "target-family": ["unix"],
+ 31 │     },
+ 32 │     "target-endian": "middle",
+    ·                             ▲
+    ·                             ╰── unknown variant `middle`, expected `little` or `big`
+ 33 │     "target-family": ["unix"],
     ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-family.json-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-family.json-display.snap
index 8a1153ac2de..806da960d71 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-family.json-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-family.json-display.snap
@@ -1,13 +1,13 @@
 ---
-source: target-spec-miette/tests/snapshot/custom.rs
+source: target-spec-miette/tests/datatest-snapshot/custom.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error deserializing custom target JSON for `my-target`
+  × error deserializing custom target JSON for `my-target`
     ╭─[33:27]
- 32 │     "target-endian": "big",
- 33 │     "target-family": "none",
-    ·                           ▲
-    ·                           ╰── invalid type: string "none", expected a sequence
- 34 │     "target-mcount": "_mcount",
+ 32 │     "target-endian": "big",
+ 33 │     "target-family": "none",
+    ·                           ▲
+    ·                           ╰── invalid type: string "none", expected a sequence
+ 34 │     "target-mcount": "_mcount",
     ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-target-pointer-width.json-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-target-pointer-width.json-display.snap
index ad57a582f7c..4ea91b22b4c 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-target-pointer-width.json-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/invalid-target-pointer-width.json-display.snap
@@ -1,13 +1,13 @@
 ---
-source: target-spec-miette/tests/snapshot/custom.rs
+source: target-spec-miette/tests/datatest-snapshot/custom.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error deserializing custom target JSON for `my-target`
+  × error deserializing custom target JSON for `my-target`
     ╭─[52:30]
- 51 │   ],
- 52 │   "target-pointer-width": "xx",
-    ·                              ▲
-    ·                              ╰── error parsing as integer: invalid digit found in string
- 53 │   "supports-xray": true,
+ 51 │   ],
+ 52 │   "target-pointer-width": "xx",
+    ·                              ▲
+    ·                              ╰── error parsing as integer: invalid digit found in string
+ 53 │   "supports-xray": true,
     ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/missing-arch.json-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/missing-arch.json-display.snap
index dbda9c0e9cb..7633fc83c1f 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/missing-arch.json-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/missing-arch.json-display.snap
@@ -1,12 +1,12 @@
 ---
-source: target-spec-miette/tests/snapshot/custom.rs
+source: target-spec-miette/tests/datatest-snapshot/custom.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error deserializing custom target JSON for `my-target`
+  × error deserializing custom target JSON for `my-target`
     ╭─[35:1]
- 34 │     "target-pointer-width": "64"
- 35 │ }
-    · ▲
-    · ╰── missing field `arch`
+ 34 │     "target-pointer-width": "64"
+ 35 │ }
+    · ▲
+    · ╰── missing field `arch`
     ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/syntax-error.json-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/syntax-error.json-display.snap
index 3ad19e5dc4e..7f369ef23d7 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/syntax-error.json-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/custom-invalid/syntax-error.json-display.snap
@@ -1,12 +1,12 @@
 ---
-source: target-spec-miette/tests/snapshot/custom.rs
+source: target-spec-miette/tests/datatest-snapshot/custom.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error deserializing custom target JSON for `my-target`
+  × error deserializing custom target JSON for `my-target`
     ╭─[40:13]
- 39 │     "leak",
- 40 │     "memory",
-    ·             ▲
-    ·             ╰── EOF while parsing a value
+ 39 │     "leak",
+ 40 │     "memory",
+    ·             ▲
+    ·             ╰── EOF while parsing a value
     ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/multiline-output-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/multiline-output-display.snap
index 4d0c5431f61..549e59cfd80 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/multiline-output-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/multiline-output-display.snap
@@ -3,9 +3,9 @@ source: target-spec-miette/tests/datatest-snapshot/expr.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error parsing cfg() expression
+  × error parsing cfg() expression
    ╭────
- 1 │ cfg(target_does_not_exist = "unix")
-   ·     ──────────┬──────────
-   ·               ╰── expected one of `target_arch`, `target_feature`, `target_os`, `target_family`, `target_env`, `target_endian`, `target_has_atomic`, `target_pointer_width`, `target_vendor` here
+ 1 │ cfg(target_does_not_exist = "unix")
+   ·     ──────────┬──────────
+   ·               ╰── expected one of `target_arch`, `target_feature`, `target_os`, `target_family`, `target_env`, `target_endian`, `target_has_atomic`, `target_pointer_width`, `target_vendor` here
    ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unclosed-delimiter-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unclosed-delimiter-display.snap
index 487a3df877d..00fcc412510 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unclosed-delimiter-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unclosed-delimiter-display.snap
@@ -3,9 +3,9 @@ source: target-spec-miette/tests/datatest-snapshot/expr.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error parsing cfg() expression
+  × error parsing cfg() expression
    ╭────
- 1 │ cfg(unix
-   ·    ┬
-   ·    ╰── expected one of `=`, `,`, `)` here
+ 1 │ cfg(unix
+   ·    ┬
+   ·    ╰── expected one of `=`, `,`, `)` here
    ╰────
diff --git a/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unquoted-value-display.snap b/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unquoted-value-display.snap
index 56786ea4402..1a874392834 100644
--- a/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unquoted-value-display.snap
+++ b/target-spec-miette/tests/datatest-snapshot/snapshots/expr-invalid/unquoted-value-display.snap
@@ -3,9 +3,9 @@ source: target-spec-miette/tests/datatest-snapshot/expr.rs
 expression: "format!(\"{:?}\", miette::Report::new_boxed(diagnostic))"
 snapshot_kind: text
 ---
-  × error parsing cfg() expression
+  × error parsing cfg() expression
    ╭────
- 1 │ cfg(target_os = none)
-   ·                 ──┬─
-   ·                   ╰── expected a `"` here
+ 1 │ cfg(target_os = none)
+   ·                 ──┬─
+   ·                   ╰── expected a `"` here
    ╰────