[INFO] updating cached repository seysn/project-euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/seysn/project-euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/seysn/project-euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/seysn/project-euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/seysn/project-euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/seysn/project-euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seysn/project-euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seysn/project-euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d21fc3f89239e09ef4c892e65ecf5500264c0714
[INFO] sha for GitHub repo seysn/project-euler: d21fc3f89239e09ef4c892e65ecf5500264c0714
[INFO] validating manifest of seysn/project-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 seysn/project-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 seysn/project-euler
[INFO] finished frobbing seysn/project-euler
[INFO] frobbed toml for seysn/project-euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/seysn/project-euler/Cargo.toml
[INFO] started frobbing seysn/project-euler
[INFO] finished frobbing seysn/project-euler
[INFO] frobbed toml for seysn/project-euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seysn/project-euler/Cargo.toml
[INFO] crate seysn/project-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing seysn/project-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-6/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/seysn/project-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] 46380a18effd1dd94a137fd513c4f690c04769c8d771234b75096ae54da4c54b
[INFO] running `"docker" "start" "-a" "46380a18effd1dd94a137fd513c4f690c04769c8d771234b75096ae54da4c54b"`
[INFO] [stderr]    Compiling project-euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "46380a18effd1dd94a137fd513c4f690c04769c8d771234b75096ae54da4c54b"`
[INFO] running `"docker" "rm" "-f" "46380a18effd1dd94a137fd513c4f690c04769c8d771234b75096ae54da4c54b"`
[INFO] [stdout] 46380a18effd1dd94a137fd513c4f690c04769c8d771234b75096ae54da4c54b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/seysn/project-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] 23f2ffd14367382e14254584ffcb5a4edb288a619e2ec5f3cebebe2b8afb8c63
[INFO] running `"docker" "start" "-a" "23f2ffd14367382e14254584ffcb5a4edb288a619e2ec5f3cebebe2b8afb8c63"`
[INFO] [stderr]    Compiling project-euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "23f2ffd14367382e14254584ffcb5a4edb288a619e2ec5f3cebebe2b8afb8c63"`
[INFO] running `"docker" "rm" "-f" "23f2ffd14367382e14254584ffcb5a4edb288a619e2ec5f3cebebe2b8afb8c63"`
[INFO] [stdout] 23f2ffd14367382e14254584ffcb5a4edb288a619e2ec5f3cebebe2b8afb8c63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/seysn/project-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] 20ebc3ae861cb51381f01e4aa0c4a81d4a451d6e0001e7db7a4b7e0ff307ecf4
[INFO] running `"docker" "start" "-a" "20ebc3ae861cb51381f01e4aa0c4a81d4a451d6e0001e7db7a4b7e0ff307ecf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/macros-486d92da366cf80c
[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]      Running /opt/crater/target/debug/deps/p0001-410f11ecdce4e4c0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::t1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p0002-efa9c04b39488fcf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::t2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p0003-f2126ee8b395d2ee
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::t3 ... ok
[INFO] [stdout] test tests::t3_is_prime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p0004-fbb74fa8de72e620
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::t4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p0005-d43bee5bff3d977c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::t5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests macros
[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" "20ebc3ae861cb51381f01e4aa0c4a81d4a451d6e0001e7db7a4b7e0ff307ecf4"`
[INFO] running `"docker" "rm" "-f" "20ebc3ae861cb51381f01e4aa0c4a81d4a451d6e0001e7db7a4b7e0ff307ecf4"`
[INFO] [stdout] 20ebc3ae861cb51381f01e4aa0c4a81d4a451d6e0001e7db7a4b7e0ff307ecf4