[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-1.37-6/sources/1.36.0/gh/kirhgoff/rust_utils"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kirhgoff/rust_utils'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kirhgoff/rust_utils" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kirhgoff/rust_utils"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kirhgoff/rust_utils 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 kirhgoff/rust_utils
[INFO] finished frobbing kirhgoff/rust_utils
[INFO] frobbed toml for kirhgoff/rust_utils written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 kirhgoff/rust_utils 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7656b98e38c21a7bf5587218d2d6a8344cef2be4673ee667c10c614c1e2414c3
[INFO] running `"docker" "start" "-a" "7656b98e38c21a7bf5587218d2d6a8344cef2be4673ee667c10c614c1e2414c3"`
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling primal-sieve v0.2.8
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling num-bigint v0.1.41
[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 14.58s
[INFO] running `"docker" "inspect" "7656b98e38c21a7bf5587218d2d6a8344cef2be4673ee667c10c614c1e2414c3"`
[INFO] running `"docker" "rm" "-f" "7656b98e38c21a7bf5587218d2d6a8344cef2be4673ee667c10c614c1e2414c3"`
[INFO] [stdout] 7656b98e38c21a7bf5587218d2d6a8344cef2be4673ee667c10c614c1e2414c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f74a6458b81d4a36434749b2b7abd29469727fb9fe2978d696df0a148cee6be5
[INFO] running `"docker" "start" "-a" "f74a6458b81d4a36434749b2b7abd29469727fb9fe2978d696df0a148cee6be5"`
[INFO] [stderr]    Compiling rust_utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "f74a6458b81d4a36434749b2b7abd29469727fb9fe2978d696df0a148cee6be5"`
[INFO] running `"docker" "rm" "-f" "f74a6458b81d4a36434749b2b7abd29469727fb9fe2978d696df0a148cee6be5"`
[INFO] [stdout] f74a6458b81d4a36434749b2b7abd29469727fb9fe2978d696df0a148cee6be5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 10fb02652a9bff7b0516d8813469d63b2d86ce61966a9cbb22fc27bd5e6dfc8b
[INFO] running `"docker" "start" "-a" "10fb02652a9bff7b0516d8813469d63b2d86ce61966a9cbb22fc27bd5e6dfc8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_utils-05aad68ddfebd3a0
[INFO] [stdout] running 10 tests
[INFO] [stdout] test utils::tests::is_palindrome_works ... ok
[INFO] [stdout] test euler37::tests::split_works ... ok
[INFO] [stdout] test euler37::tests::is_truncatable_prime_works ... ok
[INFO] [stdout] test euler39::tests::hypothenuse_works ... ok
[INFO] [stdout] test utils::tests::digits_iterator_works ... ok
[INFO] [stdout] test utils::tests::digits_count_works ... ok
[INFO] [stdout] test utils::tests::binary_string_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" "10fb02652a9bff7b0516d8813469d63b2d86ce61966a9cbb22fc27bd5e6dfc8b"`
[INFO] running `"docker" "rm" "-f" "10fb02652a9bff7b0516d8813469d63b2d86ce61966a9cbb22fc27bd5e6dfc8b"`
[INFO] [stdout] 10fb02652a9bff7b0516d8813469d63b2d86ce61966a9cbb22fc27bd5e6dfc8b