[INFO] updating cached repository hmc-memsafe-2016f/wk5-solution
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hmc-memsafe-2016f/wk5-solution
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hmc-memsafe-2016f/wk5-solution" "work/ex/beta-1.37-6/sources/1.36.0/gh/hmc-memsafe-2016f/wk5-solution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hmc-memsafe-2016f/wk5-solution'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hmc-memsafe-2016f/wk5-solution" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hmc-memsafe-2016f/wk5-solution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hmc-memsafe-2016f/wk5-solution'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a81e234c7c0fc4679f72cb33331044e96ab008a
[INFO] sha for GitHub repo hmc-memsafe-2016f/wk5-solution: 1a81e234c7c0fc4679f72cb33331044e96ab008a
[INFO] validating manifest of hmc-memsafe-2016f/wk5-solution on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hmc-memsafe-2016f/wk5-solution on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hmc-memsafe-2016f/wk5-solution
[INFO] finished frobbing hmc-memsafe-2016f/wk5-solution
[INFO] frobbed toml for hmc-memsafe-2016f/wk5-solution written to work/ex/beta-1.37-6/sources/1.36.0/gh/hmc-memsafe-2016f/wk5-solution/Cargo.toml
[INFO] started frobbing hmc-memsafe-2016f/wk5-solution
[INFO] finished frobbing hmc-memsafe-2016f/wk5-solution
[INFO] frobbed toml for hmc-memsafe-2016f/wk5-solution written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hmc-memsafe-2016f/wk5-solution/Cargo.toml
[INFO] crate hmc-memsafe-2016f/wk5-solution already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hmc-memsafe-2016f/wk5-solution against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hmc-memsafe-2016f/wk5-solution:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d2be18a3a98afc54d7f01204ba008b2fd96d9cfb530b495abbb254044723f345
[INFO] running `"docker" "start" "-a" "d2be18a3a98afc54d7f01204ba008b2fd96d9cfb530b495abbb254044723f345"`
[INFO] [stderr]    Compiling wk5-solution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "d2be18a3a98afc54d7f01204ba008b2fd96d9cfb530b495abbb254044723f345"`
[INFO] running `"docker" "rm" "-f" "d2be18a3a98afc54d7f01204ba008b2fd96d9cfb530b495abbb254044723f345"`
[INFO] [stdout] d2be18a3a98afc54d7f01204ba008b2fd96d9cfb530b495abbb254044723f345
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hmc-memsafe-2016f/wk5-solution:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a005b5dddb9c57b051692293ad6eb784b4eb6433a86a9a25e5135381ad3f711
[INFO] running `"docker" "start" "-a" "2a005b5dddb9c57b051692293ad6eb784b4eb6433a86a9a25e5135381ad3f711"`
[INFO] [stderr]    Compiling wk5-solution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "2a005b5dddb9c57b051692293ad6eb784b4eb6433a86a9a25e5135381ad3f711"`
[INFO] running `"docker" "rm" "-f" "2a005b5dddb9c57b051692293ad6eb784b4eb6433a86a9a25e5135381ad3f711"`
[INFO] [stdout] 2a005b5dddb9c57b051692293ad6eb784b4eb6433a86a9a25e5135381ad3f711
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hmc-memsafe-2016f/wk5-solution:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f670f5478c66011ead7be3d6af4360e1a676dcfd9c0b131c965818d2045104cf
[INFO] running `"docker" "start" "-a" "f670f5478c66011ead7be3d6af4360e1a676dcfd9c0b131c965818d2045104cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wk5_solution-df2f98fd21d6e172
[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" "f670f5478c66011ead7be3d6af4360e1a676dcfd9c0b131c965818d2045104cf"`
[INFO] running `"docker" "rm" "-f" "f670f5478c66011ead7be3d6af4360e1a676dcfd9c0b131c965818d2045104cf"`
[INFO] [stdout] f670f5478c66011ead7be3d6af4360e1a676dcfd9c0b131c965818d2045104cf