Run the tests of popular crates in the CI #1684

Job	Run time
build (libgccjit.so, master, --mini-tests)	26s
build (libgccjit.so, master, --std-tests)	24s
build (libgccjit.so, master, --test-libcore)	27s
build_system	21s
build (libgccjit.so, master, --extended-rand-tests)	24s
build (libgccjit.so, master, --extended-regex-example-tests)	23s
build (libgccjit.so, master, --extended-regex-tests)	30s
duplicates	4s
build (libgccjit.so, master, --test-successful-rustc --nb-parts 2 --current-part 0)	25s
build (libgccjit.so, master, --test-successful-rustc --nb-parts 2 --current-part 1)	26s
build (libgccjit.so, master, --projects)	29s
build (libgccjit_without_int128.so, master-without-128bit-integers, --mini-tests)	28s
build (libgccjit_without_int128.so, master-without-128bit-integers, --std-tests)	26s
build (libgccjit_without_int128.so, master-without-128bit-integers, --test-libcore)	24s
build (libgccjit_without_int128.so, master-without-128bit-integers, --extended-rand-tests)	25s
build (libgccjit_without_int128.so, master-without-128bit-integers, --extended-regex-example-tests)	1m 10s
build (libgccjit_without_int128.so, master-without-128bit-integers, --extended-regex-tests)	29s
build (libgccjit_without_int128.so, master-without-128bit-integers, --test-successful-rustc --nb-...	35s
build (libgccjit_without_int128.so, master-without-128bit-integers, --test-successful-rustc --nb-...	26s
build (libgccjit_without_int128.so, master-without-128bit-integers, --projects)	29s
	9m 11s

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