[INFO] updating cached repository RGates94/proof-and-computation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RGates94/proof-and-computation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RGates94/proof-and-computation" "work/ex/beta-1.38-1/sources/1.37.0/gh/RGates94/proof-and-computation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RGates94/proof-and-computation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RGates94/proof-and-computation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RGates94/proof-and-computation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RGates94/proof-and-computation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f46827d5346da9192bc8a70ee7daf0af16117e32
[INFO] sha for GitHub repo RGates94/proof-and-computation: f46827d5346da9192bc8a70ee7daf0af16117e32
[INFO] validating manifest of RGates94/proof-and-computation on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RGates94/proof-and-computation on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RGates94/proof-and-computation
[INFO] finished frobbing RGates94/proof-and-computation
[INFO] frobbed toml for RGates94/proof-and-computation written to work/ex/beta-1.38-1/sources/1.37.0/gh/RGates94/proof-and-computation/Cargo.toml
[INFO] started frobbing RGates94/proof-and-computation
[INFO] finished frobbing RGates94/proof-and-computation
[INFO] frobbed toml for RGates94/proof-and-computation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RGates94/proof-and-computation/Cargo.toml
[INFO] crate RGates94/proof-and-computation already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RGates94/proof-and-computation against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RGates94/proof-and-computation:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7cdd7fcdd9a1301cf5576c0c95a806e3150e8bbbb24000bd1d76b46f5505922d
[INFO] running `"docker" "start" "-a" "7cdd7fcdd9a1301cf5576c0c95a806e3150e8bbbb24000bd1d76b46f5505922d"`
[INFO] [stderr]    Compiling proof_and_computation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "7cdd7fcdd9a1301cf5576c0c95a806e3150e8bbbb24000bd1d76b46f5505922d"`
[INFO] running `"docker" "rm" "-f" "7cdd7fcdd9a1301cf5576c0c95a806e3150e8bbbb24000bd1d76b46f5505922d"`
[INFO] [stdout] 7cdd7fcdd9a1301cf5576c0c95a806e3150e8bbbb24000bd1d76b46f5505922d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RGates94/proof-and-computation:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f6842403f6379171c489ddde76316359be2622ee15ac78772708d3b8d4013607
[INFO] running `"docker" "start" "-a" "f6842403f6379171c489ddde76316359be2622ee15ac78772708d3b8d4013607"`
[INFO] [stderr]    Compiling proof_and_computation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "f6842403f6379171c489ddde76316359be2622ee15ac78772708d3b8d4013607"`
[INFO] running `"docker" "rm" "-f" "f6842403f6379171c489ddde76316359be2622ee15ac78772708d3b8d4013607"`
[INFO] [stdout] f6842403f6379171c489ddde76316359be2622ee15ac78772708d3b8d4013607
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RGates94/proof-and-computation:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2f7f12eb6d935c9794272603cac895d757aee706211e1ad6e743e75d512e991a
[INFO] running `"docker" "start" "-a" "2f7f12eb6d935c9794272603cac895d757aee706211e1ad6e743e75d512e991a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/proof_and_computation-31ccf1eaef0712bd
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test while_program::tests::assign_variable ... ok
[INFO] [stdout] test while_program::tests::assign_variable_incremented ... ok
[INFO] [stdout] test register_machine::tests::test_calculation ... ok
[INFO] [stdout] test while_program::tests::assign_zero ... ok
[INFO] [stdout] test while_program::tests::run_while_program ... ok
[INFO] [stdout] test while_program::tests::run_if_program ... ok
[INFO] [stdout] test while_program::tests::run_for_program ... ok
[INFO] [stdout] test while_program::tests::run_assignment_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proof_and_computation
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f7f12eb6d935c9794272603cac895d757aee706211e1ad6e743e75d512e991a"`
[INFO] running `"docker" "rm" "-f" "2f7f12eb6d935c9794272603cac895d757aee706211e1ad6e743e75d512e991a"`
[INFO] [stdout] 2f7f12eb6d935c9794272603cac895d757aee706211e1ad6e743e75d512e991a