[INFO] updating cached repository wgreenberg/rs-brainf__k
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wgreenberg/rs-brainf__k
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wgreenberg/rs-brainf__k" "work/ex/beta-1.38-1/sources/1.37.0/gh/wgreenberg/rs-brainf__k"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wgreenberg/rs-brainf__k'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wgreenberg/rs-brainf__k" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wgreenberg/rs-brainf__k"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wgreenberg/rs-brainf__k'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c68823c0b28290bd7c39fe705fcfb7fdbaa2b2ff
[INFO] sha for GitHub repo wgreenberg/rs-brainf__k: c68823c0b28290bd7c39fe705fcfb7fdbaa2b2ff
[INFO] validating manifest of wgreenberg/rs-brainf__k 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 wgreenberg/rs-brainf__k 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 wgreenberg/rs-brainf__k
[INFO] finished frobbing wgreenberg/rs-brainf__k
[INFO] frobbed toml for wgreenberg/rs-brainf__k written to work/ex/beta-1.38-1/sources/1.37.0/gh/wgreenberg/rs-brainf__k/Cargo.toml
[INFO] started frobbing wgreenberg/rs-brainf__k
[INFO] finished frobbing wgreenberg/rs-brainf__k
[INFO] frobbed toml for wgreenberg/rs-brainf__k written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wgreenberg/rs-brainf__k/Cargo.toml
[INFO] crate wgreenberg/rs-brainf__k 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 wgreenberg/rs-brainf__k against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wgreenberg/rs-brainf__k:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 884d396fdf00dae68b3dbb665c9276790f7ee28891cf92b1ee8e9b6e4ba731db
[INFO] running `"docker" "start" "-a" "884d396fdf00dae68b3dbb665c9276790f7ee28891cf92b1ee8e9b6e4ba731db"`
[INFO] [stderr]    Compiling rs-brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "884d396fdf00dae68b3dbb665c9276790f7ee28891cf92b1ee8e9b6e4ba731db"`
[INFO] running `"docker" "rm" "-f" "884d396fdf00dae68b3dbb665c9276790f7ee28891cf92b1ee8e9b6e4ba731db"`
[INFO] [stdout] 884d396fdf00dae68b3dbb665c9276790f7ee28891cf92b1ee8e9b6e4ba731db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wgreenberg/rs-brainf__k:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47d86cad0b3a2b11b762467a55284b559d162e64a6c0e47b53ef3d3fa9d36fc2
[INFO] running `"docker" "start" "-a" "47d86cad0b3a2b11b762467a55284b559d162e64a6c0e47b53ef3d3fa9d36fc2"`
[INFO] [stderr]    Compiling rs-brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "47d86cad0b3a2b11b762467a55284b559d162e64a6c0e47b53ef3d3fa9d36fc2"`
[INFO] running `"docker" "rm" "-f" "47d86cad0b3a2b11b762467a55284b559d162e64a6c0e47b53ef3d3fa9d36fc2"`
[INFO] [stdout] 47d86cad0b3a2b11b762467a55284b559d162e64a6c0e47b53ef3d3fa9d36fc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wgreenberg/rs-brainf__k:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 713a7e5883eeba9da3f7364ced17ca44d75ab257db806be2d7a2b0bd1f57b5cf
[INFO] running `"docker" "start" "-a" "713a7e5883eeba9da3f7364ced17ca44d75ab257db806be2d7a2b0bd1f57b5cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rs_brainfuck-5b7f0a092055334e
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::growable_vects_have_sensible_index_defaults ... ok
[INFO] [stdout] test tests::decrement_underflow_test ... ok
[INFO] [stdout] test tests::right ... ok
[INFO] [stdout] test tests::run_fails_on_mismatched_parens ... ok
[INFO] [stdout] test tests::run_empty_loop ... ok
[INFO] [stdout] test tests::increment_overflow_test ... ok
[INFO] [stdout] test tests::run_noop_loop ... ok
[INFO] [stdout] test tests::run_nonempty_loop ... ok
[INFO] [stdout] test tests::run_ok_on_empty_program ... ok
[INFO] [stdout] test tests::run_nontrivial_empty_loops ... ok
[INFO] [stdout] test tests::run_left ... ok
[INFO] [stdout] test tests::test_curr ... ok
[INFO] [stdout] test tests::run_propagates_segfault_err ... ok
[INFO] [stdout] test tests::set_curr_test ... ok
[INFO] [stdout] test tests::can_index_growable_vects ... ok
[INFO] [stdout] test tests::test_inc ... ok
[INFO] [stdout] test tests::run_left_handle_segfault ... ok
[INFO] [stdout] test tests::run_loop_with_overflow ... ok
[INFO] [stdout] test tests::run_nested_loops ... ok
[INFO] [stdout] test tests::test_dec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "713a7e5883eeba9da3f7364ced17ca44d75ab257db806be2d7a2b0bd1f57b5cf"`
[INFO] running `"docker" "rm" "-f" "713a7e5883eeba9da3f7364ced17ca44d75ab257db806be2d7a2b0bd1f57b5cf"`
[INFO] [stdout] 713a7e5883eeba9da3f7364ced17ca44d75ab257db806be2d7a2b0bd1f57b5cf