Also validate tmp memory was freed.

2 jobs for clone_grant_using_fmap in 41 seconds (queued for 3 seconds)
Name Stage Failure
failed
build:redox Build
error: could not compile `redox_syscall`

Caused by:
process didn't exit successfully: `rustc --crate-name syscall --edition=2018 /root/.cargo/git/checkouts/syscall-32bb88983eb52e6c/30f29c3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=52cc9f0d027e4ce7 -C extra-filename=-52cc9f0d027e4ce7 --out-dir /builds/4lDO2/acid/target/x86_64-unknown-redox/debug/deps --target x86_64-unknown-redox -C linker=x86_64-unknown-redox-gcc -L dependency=/builds/4lDO2/acid/target/x86_64-unknown-redox/debug/deps -L dependency=/builds/4lDO2/acid/target/debug/deps --extern bitflags=/builds/4lDO2/acid/target/x86_64-unknown-redox/debug/deps/libbitflags-c7e00a063f3f73ab.rmeta --cap-lints allow -L /root/.redoxer/toolchain/x86_64-unknown-redox/lib` (exit status: 1)
warning: build failed, waiting for other jobs to finish...
error: build failed
redoxer cargo: exit status: 101
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1