[INFO] updating cached repository unikulo/euler_project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/unikulo/euler_project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/unikulo/euler_project" "work/ex/beta-1.37-6/sources/1.36.0/gh/unikulo/euler_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/unikulo/euler_project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/unikulo/euler_project" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unikulo/euler_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unikulo/euler_project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3100a1aff2916fe0920997e5faeae71645694100
[INFO] sha for GitHub repo unikulo/euler_project: 3100a1aff2916fe0920997e5faeae71645694100
[INFO] validating manifest of unikulo/euler_project 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 unikulo/euler_project 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 unikulo/euler_project
[INFO] finished frobbing unikulo/euler_project
[INFO] frobbed toml for unikulo/euler_project written to work/ex/beta-1.37-6/sources/1.36.0/gh/unikulo/euler_project/Cargo.toml
[INFO] started frobbing unikulo/euler_project
[INFO] finished frobbing unikulo/euler_project
[INFO] frobbed toml for unikulo/euler_project written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unikulo/euler_project/Cargo.toml
[INFO] crate unikulo/euler_project 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 unikulo/euler_project against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unikulo/euler_project:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 26c934d588d4aad77c7df03e30adc90cc0cd39fcd7f2b67724b860bc0785ea60
[INFO] running `"docker" "start" "-a" "26c934d588d4aad77c7df03e30adc90cc0cd39fcd7f2b67724b860bc0785ea60"`
[INFO] [stderr]    Compiling euler_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "26c934d588d4aad77c7df03e30adc90cc0cd39fcd7f2b67724b860bc0785ea60"`
[INFO] running `"docker" "rm" "-f" "26c934d588d4aad77c7df03e30adc90cc0cd39fcd7f2b67724b860bc0785ea60"`
[INFO] [stdout] 26c934d588d4aad77c7df03e30adc90cc0cd39fcd7f2b67724b860bc0785ea60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unikulo/euler_project:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8dbae64cb45022dd363a6bb5989fa43849c29cfb964b15b6af1d9a501d72af43
[INFO] running `"docker" "start" "-a" "8dbae64cb45022dd363a6bb5989fa43849c29cfb964b15b6af1d9a501d72af43"`
[INFO] [stderr]    Compiling euler_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "8dbae64cb45022dd363a6bb5989fa43849c29cfb964b15b6af1d9a501d72af43"`
[INFO] running `"docker" "rm" "-f" "8dbae64cb45022dd363a6bb5989fa43849c29cfb964b15b6af1d9a501d72af43"`
[INFO] [stdout] 8dbae64cb45022dd363a6bb5989fa43849c29cfb964b15b6af1d9a501d72af43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unikulo/euler_project:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4612d03039b014c1693402f592165fc1c14d93361230c1847ad7c7f7a66d031d
[INFO] running `"docker" "start" "-a" "4612d03039b014c1693402f592165fc1c14d93361230c1847ad7c7f7a66d031d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler_project-9c26684fc367c707
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test problems::problem002::test_sum_of_multiples_of_fibonacci_sequence ... ok
[INFO] [stdout] test problems::problem001::test_sum_of_multiples ... ok
[INFO] [stdout] test problems::problem003::test_largest_prime_factor ... ok
[INFO] [stdout] test problems::problem005::test_smallest_multiple ... ok
[INFO] [stdout] test problems::problem007::test_nth_prime_number ... ok
[INFO] [stdout] test problems::problem008::test_largest_product_in_a_series ... ok
[INFO] [stdout] test problems::problem012::test ... ok
[INFO] [stdout] test problems::problem010::test_sum_of_primes_below ... ok
[INFO] [stdout] test problems::problem004::test_largest_palindrome_product ... ok
[INFO] [stdout] test problems::problem006::test_sum_square_difference ... 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" "4612d03039b014c1693402f592165fc1c14d93361230c1847ad7c7f7a66d031d"`
[INFO] running `"docker" "rm" "-f" "4612d03039b014c1693402f592165fc1c14d93361230c1847ad7c7f7a66d031d"`
[INFO] [stdout] 4612d03039b014c1693402f592165fc1c14d93361230c1847ad7c7f7a66d031d