[INFO] updating cached repository nvm27/euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nvm27/euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nvm27/euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/nvm27/euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nvm27/euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nvm27/euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nvm27/euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nvm27/euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02520d27dc1fd44874bc65c99bb7af0ae58b455b
[INFO] sha for GitHub repo nvm27/euler: 02520d27dc1fd44874bc65c99bb7af0ae58b455b
[INFO] validating manifest of nvm27/euler 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 nvm27/euler 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 nvm27/euler
[INFO] finished frobbing nvm27/euler
[INFO] frobbed toml for nvm27/euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/nvm27/euler/Cargo.toml
[INFO] started frobbing nvm27/euler
[INFO] finished frobbing nvm27/euler
[INFO] frobbed toml for nvm27/euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nvm27/euler/Cargo.toml
[INFO] crate nvm27/euler 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nvm27/euler/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/wackywendell/primes.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/wackywendell/primes.git`
[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 nvm27/euler 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-1/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/nvm27/euler:/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] 5ac8774c3db64ac65f8653957160f331f4cd5492d2f227c7e2423f1b0bbcd88b
[INFO] running `"docker" "start" "-a" "5ac8774c3db64ac65f8653957160f331f4cd5492d2f227c7e2423f1b0bbcd88b"`
[INFO] [stderr]    Compiling primes v0.2.3 (https://github.com/wackywendell/primes.git#387f7e46)
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "5ac8774c3db64ac65f8653957160f331f4cd5492d2f227c7e2423f1b0bbcd88b"`
[INFO] running `"docker" "rm" "-f" "5ac8774c3db64ac65f8653957160f331f4cd5492d2f227c7e2423f1b0bbcd88b"`
[INFO] [stdout] 5ac8774c3db64ac65f8653957160f331f4cd5492d2f227c7e2423f1b0bbcd88b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/nvm27/euler:/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] 0ee428809d382e8f0f3cc3b2c3d0954145243117bc8c242e2429a932e4e0317b
[INFO] running `"docker" "start" "-a" "0ee428809d382e8f0f3cc3b2c3d0954145243117bc8c242e2429a932e4e0317b"`
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "0ee428809d382e8f0f3cc3b2c3d0954145243117bc8c242e2429a932e4e0317b"`
[INFO] running `"docker" "rm" "-f" "0ee428809d382e8f0f3cc3b2c3d0954145243117bc8c242e2429a932e4e0317b"`
[INFO] [stdout] 0ee428809d382e8f0f3cc3b2c3d0954145243117bc8c242e2429a932e4e0317b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/nvm27/euler:/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] 5e28263be6ab77660e8cec859082c506244de54c051ddd97216d85f7820f8509
[INFO] running `"docker" "start" "-a" "5e28263be6ab77660e8cec859082c506244de54c051ddd97216d85f7820f8509"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-81ff507034f70707
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test multiples::projecteuler ... ok
[INFO] [stdout] test largest_product::projecteuler ... ok
[INFO] [stdout] test even_fib::projecteuler ... ok
[INFO] [stdout] test smallest_multiple::projecteuler ... ok
[INFO] [stdout] test pythagorean_triplet::projecteuler ... ok
[INFO] [stdout] test square_diff::projecteuler ... ok
[INFO] [stdout] test nth_prime::projecteuler ... ok
[INFO] [stdout] test palindrome::projecteuler ... ok
[INFO] [stdout] test largest_prime::projecteuler ... ok
[INFO] [stdout] test primes_sum::projecteuler ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests euler
[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" "5e28263be6ab77660e8cec859082c506244de54c051ddd97216d85f7820f8509"`
[INFO] running `"docker" "rm" "-f" "5e28263be6ab77660e8cec859082c506244de54c051ddd97216d85f7820f8509"`
[INFO] [stdout] 5e28263be6ab77660e8cec859082c506244de54c051ddd97216d85f7820f8509