[INFO] updating cached repository willkg/quizinator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/willkg/quizinator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/willkg/quizinator" "work/ex/beta-1.38-1/sources/1.37.0/gh/willkg/quizinator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/willkg/quizinator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/willkg/quizinator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/willkg/quizinator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/willkg/quizinator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39b4019ee78406f2ba9fb3138c6f1991d5bfc7e3
[INFO] sha for GitHub repo willkg/quizinator: 39b4019ee78406f2ba9fb3138c6f1991d5bfc7e3
[INFO] validating manifest of willkg/quizinator 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 willkg/quizinator 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 willkg/quizinator
[INFO] finished frobbing willkg/quizinator
[INFO] frobbed toml for willkg/quizinator written to work/ex/beta-1.38-1/sources/1.37.0/gh/willkg/quizinator/Cargo.toml
[INFO] started frobbing willkg/quizinator
[INFO] finished frobbing willkg/quizinator
[INFO] frobbed toml for willkg/quizinator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/willkg/quizinator/Cargo.toml
[INFO] crate willkg/quizinator 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 willkg/quizinator 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-5/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/willkg/quizinator:/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] d5981f85234f61ed0b7ee4d5958f5db4778339f406f096c082fd2c59244b9902
[INFO] running `"docker" "start" "-a" "d5981f85234f61ed0b7ee4d5958f5db4778339f406f096c082fd2c59244b9902"`
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling quizinator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.85s
[INFO] running `"docker" "inspect" "d5981f85234f61ed0b7ee4d5958f5db4778339f406f096c082fd2c59244b9902"`
[INFO] running `"docker" "rm" "-f" "d5981f85234f61ed0b7ee4d5958f5db4778339f406f096c082fd2c59244b9902"`
[INFO] [stdout] d5981f85234f61ed0b7ee4d5958f5db4778339f406f096c082fd2c59244b9902
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/willkg/quizinator:/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] 7c03dfdb0feddf7b05ba63c567a9164085809a75e9a74990b4b13145686d02fa
[INFO] running `"docker" "start" "-a" "7c03dfdb0feddf7b05ba63c567a9164085809a75e9a74990b4b13145686d02fa"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quizinator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "7c03dfdb0feddf7b05ba63c567a9164085809a75e9a74990b4b13145686d02fa"`
[INFO] running `"docker" "rm" "-f" "7c03dfdb0feddf7b05ba63c567a9164085809a75e9a74990b4b13145686d02fa"`
[INFO] [stdout] 7c03dfdb0feddf7b05ba63c567a9164085809a75e9a74990b4b13145686d02fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/willkg/quizinator:/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] 76c465011b217b9ce2708144b09d246f4d245d1265de973c8c2e6e87e1c7fad8
[INFO] running `"docker" "start" "-a" "76c465011b217b9ce2708144b09d246f4d245d1265de973c8c2e6e87e1c7fad8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quizinator-4f065d71debf2590
[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" "76c465011b217b9ce2708144b09d246f4d245d1265de973c8c2e6e87e1c7fad8"`
[INFO] running `"docker" "rm" "-f" "76c465011b217b9ce2708144b09d246f4d245d1265de973c8c2e6e87e1c7fad8"`
[INFO] [stdout] 76c465011b217b9ce2708144b09d246f4d245d1265de973c8c2e6e87e1c7fad8