[INFO] updating cached repository kirhgoff/rust_utils
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kirhgoff/rust_utils
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kirhgoff/rust_utils" "work/ex/beta-1.38-1/sources/1.37.0/gh/kirhgoff/rust_utils"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kirhgoff/rust_utils'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kirhgoff/rust_utils" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirhgoff/rust_utils"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirhgoff/rust_utils'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 662711b2e94f72c8636ca70fec98487260cb7a94
[INFO] sha for GitHub repo kirhgoff/rust_utils: 662711b2e94f72c8636ca70fec98487260cb7a94
[INFO] validating manifest of kirhgoff/rust_utils 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 kirhgoff/rust_utils 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 kirhgoff/rust_utils
[INFO] finished frobbing kirhgoff/rust_utils
[INFO] frobbed toml for kirhgoff/rust_utils written to work/ex/beta-1.38-1/sources/1.37.0/gh/kirhgoff/rust_utils/Cargo.toml
[INFO] started frobbing kirhgoff/rust_utils
[INFO] finished frobbing kirhgoff/rust_utils
[INFO] frobbed toml for kirhgoff/rust_utils written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirhgoff/rust_utils/Cargo.toml
[INFO] crate kirhgoff/rust_utils 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 kirhgoff/rust_utils 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-2/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/kirhgoff/rust_utils:/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] e3f7242111645cce171c3764dafc38b760a56de61a8b0d70ddd83893571f0f7a
[INFO] running `"docker" "start" "-a" "e3f7242111645cce171c3764dafc38b760a56de61a8b0d70ddd83893571f0f7a"`
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling primal-sieve v0.2.8
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling num-rational v0.1.41
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling fraction v0.3.7
[INFO] [stderr]    Compiling rust_utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `"docker" "inspect" "e3f7242111645cce171c3764dafc38b760a56de61a8b0d70ddd83893571f0f7a"`
[INFO] running `"docker" "rm" "-f" "e3f7242111645cce171c3764dafc38b760a56de61a8b0d70ddd83893571f0f7a"`
[INFO] [stdout] e3f7242111645cce171c3764dafc38b760a56de61a8b0d70ddd83893571f0f7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/kirhgoff/rust_utils:/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] 3995fb41088d3274730b57b8999aad631ba40800cfe9ad7d86b22c96b97cd9b7
[INFO] running `"docker" "start" "-a" "3995fb41088d3274730b57b8999aad631ba40800cfe9ad7d86b22c96b97cd9b7"`
[INFO] [stderr]    Compiling rust_utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "3995fb41088d3274730b57b8999aad631ba40800cfe9ad7d86b22c96b97cd9b7"`
[INFO] running `"docker" "rm" "-f" "3995fb41088d3274730b57b8999aad631ba40800cfe9ad7d86b22c96b97cd9b7"`
[INFO] [stdout] 3995fb41088d3274730b57b8999aad631ba40800cfe9ad7d86b22c96b97cd9b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/kirhgoff/rust_utils:/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] cda548d1825f078a6ddfaa6f8b285192c0e3604c479d0b8f1a922b07d4df93cb
[INFO] running `"docker" "start" "-a" "cda548d1825f078a6ddfaa6f8b285192c0e3604c479d0b8f1a922b07d4df93cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_utils-b92a08e60dfbcb35
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test utils::tests::digits_iterator_works ... ok
[INFO] [stdout] test utils::tests::binary_string_works ... ok
[INFO] [stdout] test euler39::tests::hypothenuse_works ... ok
[INFO] [stdout] test euler37::tests::split_works ... ok
[INFO] [stdout] test utils::tests::is_palindrome_works ... ok
[INFO] [stdout] test euler37::tests::is_truncatable_prime_works ... ok
[INFO] [stdout] test utils::tests::digits_count_works ... ok
[INFO] [stdout] test euler38::tests::concatenated_product_works ... ok
[INFO] [stdout] test utils::tests::mod_rem_works ... ok
[INFO] [stdout] test utils::tests::is_pandigital_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cda548d1825f078a6ddfaa6f8b285192c0e3604c479d0b8f1a922b07d4df93cb"`
[INFO] running `"docker" "rm" "-f" "cda548d1825f078a6ddfaa6f8b285192c0e3604c479d0b8f1a922b07d4df93cb"`
[INFO] [stdout] cda548d1825f078a6ddfaa6f8b285192c0e3604c479d0b8f1a922b07d4df93cb