Handle bad file names. #183

Job	Run time
Rustfmt	15s
Test example (actix, stable)	1m 58s
Test example (actix, nightly)	1m 46s
Test example (axum, stable)	59s
Test example (axum, nightly)	58s
Test example (gotham, stable)	1m 0s
Test example (gotham, nightly)	1m 3s
Test example (iron, stable)	41s
Test example (iron, nightly)	50s
Test example (nickel, stable)	43s
Test example (nickel, nightly)	44s
Test example (simple, stable)	22s
Test example (simple, nightly)	18s
Test example (static-sass, stable)	38s
Test example (static-sass, nightly)	33s
Test example (statics, stable)	19s
Test example (statics, nightly)	19s
Test example (tide, stable)	1m 21s
Test example (tide, nightly)	1m 10s
Test example (warp03, stable)	1m 8s
Test example (warp03, nightly)	1m 24s
Test (stable)	23s
Test (1.64.0)	1m 1s
Test (1.60.0)	55s
Test (1.58.1)	59s
Test (beta)	19s
Test (nightly)	19s
	22m 25s

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