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diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/dep-lib-serde_json-2d6c62b2bd77dda0 b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/dep-lib-serde_json-2d6c62b2bd77dda0
new file mode 100755
index 0000000..8d91c4c
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new file mode 100755
index 0000000..e00328d
--- /dev/null
+++ b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0 b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0
new file mode 100755
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0.json b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0.json
new file mode 100755
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/dep-lib-syn-68015be05f89a0f5 b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/dep-lib-syn-68015be05f89a0f5
new file mode 100755
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new file mode 100755
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--- /dev/null
+++ b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5 b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5
new file mode 100755
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@@ -0,0 +1 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5.json b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5.json
new file mode 100755
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+++ b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5.json
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/build-script-build_script_build-a900233370d9690a b/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/build-script-build_script_build-a900233370d9690a
new file mode 100755
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/build-script-build_script_build-a900233370d9690a.json b/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/build-script-build_script_build-a900233370d9690a.json
new file mode 100755
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/dep-build-script-build_script_build-a900233370d9690a b/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/dep-build-script-build_script_build-a900233370d9690a
new file mode 100755
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new file mode 100755
index 0000000..e00328d
--- /dev/null
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@@ -0,0 +1 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build b/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build
new file mode 100755
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build.json b/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build.json
new file mode 100755
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--- /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/dep-lib-unicode_xid-12657c7cced582bd b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/dep-lib-unicode_xid-12657c7cced582bd
new file mode 100755
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/invoked.timestamp
new file mode 100755
index 0000000..e00328d
--- /dev/null
+++ b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/invoked.timestamp
@@ -0,0 +1 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd
new file mode 100755
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@@ -0,0 +1 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd.json b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd.json
new file mode 100755
index 0000000..b5dc298
--- /dev/null
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@@ -0,0 +1 @@
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