[INFO] updating cached repository tommilligan/multiplicative-persistence
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tommilligan/multiplicative-persistence
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tommilligan/multiplicative-persistence" "work/ex/beta-1.38-1/sources/1.37.0/gh/tommilligan/multiplicative-persistence"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tommilligan/multiplicative-persistence'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tommilligan/multiplicative-persistence" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tommilligan/multiplicative-persistence"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tommilligan/multiplicative-persistence'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c4c1607d84d1cee98d176176309b771c378c34b
[INFO] sha for GitHub repo tommilligan/multiplicative-persistence: 7c4c1607d84d1cee98d176176309b771c378c34b
[INFO] validating manifest of tommilligan/multiplicative-persistence 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 tommilligan/multiplicative-persistence 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 tommilligan/multiplicative-persistence
[INFO] finished frobbing tommilligan/multiplicative-persistence
[INFO] frobbed toml for tommilligan/multiplicative-persistence written to work/ex/beta-1.38-1/sources/1.37.0/gh/tommilligan/multiplicative-persistence/Cargo.toml
[INFO] started frobbing tommilligan/multiplicative-persistence
[INFO] finished frobbing tommilligan/multiplicative-persistence
[INFO] frobbed toml for tommilligan/multiplicative-persistence written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tommilligan/multiplicative-persistence/Cargo.toml
[INFO] crate tommilligan/multiplicative-persistence 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 tommilligan/multiplicative-persistence 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tommilligan/multiplicative-persistence:/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] 4b6ea4fabcf2bf34c5ee73b663bc745fc2faa137917817a4ff51d3b85eee3a02
[INFO] running `"docker" "start" "-a" "4b6ea4fabcf2bf34c5ee73b663bc745fc2faa137917817a4ff51d3b85eee3a02"`
[INFO] [stderr]    Compiling regex v1.1.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling multiplicative-persistence v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.82s
[INFO] running `"docker" "inspect" "4b6ea4fabcf2bf34c5ee73b663bc745fc2faa137917817a4ff51d3b85eee3a02"`
[INFO] running `"docker" "rm" "-f" "4b6ea4fabcf2bf34c5ee73b663bc745fc2faa137917817a4ff51d3b85eee3a02"`
[INFO] [stdout] 4b6ea4fabcf2bf34c5ee73b663bc745fc2faa137917817a4ff51d3b85eee3a02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tommilligan/multiplicative-persistence:/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] 3ba475948af2433edd1eab89eb0dd131ec7f40a5e5a766a139d93fc3ff67da1a
[INFO] running `"docker" "start" "-a" "3ba475948af2433edd1eab89eb0dd131ec7f40a5e5a766a139d93fc3ff67da1a"`
[INFO] [stderr]    Compiling multiplicative-persistence v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "3ba475948af2433edd1eab89eb0dd131ec7f40a5e5a766a139d93fc3ff67da1a"`
[INFO] running `"docker" "rm" "-f" "3ba475948af2433edd1eab89eb0dd131ec7f40a5e5a766a139d93fc3ff67da1a"`
[INFO] [stdout] 3ba475948af2433edd1eab89eb0dd131ec7f40a5e5a766a139d93fc3ff67da1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tommilligan/multiplicative-persistence:/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] 1b1f67dcbf12d6b2bde0a829195d48470ba4498896126778976fc47e4343911d
[INFO] running `"docker" "start" "-a" "1b1f67dcbf12d6b2bde0a829195d48470ba4498896126778976fc47e4343911d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multiplicative_persistence-30d2466d3cd3dd5d
[INFO] [stdout] test combinations_wr::tests::test_combinations_with_replacement ... ok
[INFO] [stdout] test tests::test_candidates ... ok
[INFO] [stdout] test tests::test_multiplicative_persistence ... ok
[INFO] [stdout] test tests::test_search_round ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mp_visualize-c6259eaecc3c8436
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mpersist-6df4d2439e38650f
[INFO] [stdout] test tests::test_multiply_digits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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] [stderr]    Doc-tests multiplicative-persistence
[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" "1b1f67dcbf12d6b2bde0a829195d48470ba4498896126778976fc47e4343911d"`
[INFO] running `"docker" "rm" "-f" "1b1f67dcbf12d6b2bde0a829195d48470ba4498896126778976fc47e4343911d"`
[INFO] [stdout] 1b1f67dcbf12d6b2bde0a829195d48470ba4498896126778976fc47e4343911d