[INFO] updating cached repository DadEap/Euler_project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DadEap/Euler_project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DadEap/Euler_project" "work/ex/beta-1.38-1/sources/1.37.0/gh/DadEap/Euler_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DadEap/Euler_project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DadEap/Euler_project" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DadEap/Euler_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DadEap/Euler_project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78619df8f90e2bc372436cf2cfcc4e88db0411a9
[INFO] sha for GitHub repo DadEap/Euler_project: 78619df8f90e2bc372436cf2cfcc4e88db0411a9
[INFO] validating manifest of DadEap/Euler_project 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 DadEap/Euler_project 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 DadEap/Euler_project
[INFO] finished frobbing DadEap/Euler_project
[INFO] frobbed toml for DadEap/Euler_project written to work/ex/beta-1.38-1/sources/1.37.0/gh/DadEap/Euler_project/Cargo.toml
[INFO] started frobbing DadEap/Euler_project
[INFO] finished frobbing DadEap/Euler_project
[INFO] frobbed toml for DadEap/Euler_project written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DadEap/Euler_project/Cargo.toml
[INFO] crate DadEap/Euler_project 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 DadEap/Euler_project 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-4/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/DadEap/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 633eca3ede78a28e551ef43057b5267bbb0b290b744f207e1b613909d6508414
[INFO] running `"docker" "start" "-a" "633eca3ede78a28e551ef43057b5267bbb0b290b744f207e1b613909d6508414"`
[INFO] [stderr]    Compiling euler_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "633eca3ede78a28e551ef43057b5267bbb0b290b744f207e1b613909d6508414"`
[INFO] running `"docker" "rm" "-f" "633eca3ede78a28e551ef43057b5267bbb0b290b744f207e1b613909d6508414"`
[INFO] [stdout] 633eca3ede78a28e551ef43057b5267bbb0b290b744f207e1b613909d6508414
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/DadEap/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c6cb7f6f6ee0d6e9761a3181e7489ef5d9c2c3ab54cf83736b73a05f60df6cb8
[INFO] running `"docker" "start" "-a" "c6cb7f6f6ee0d6e9761a3181e7489ef5d9c2c3ab54cf83736b73a05f60df6cb8"`
[INFO] [stderr]    Compiling euler_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "c6cb7f6f6ee0d6e9761a3181e7489ef5d9c2c3ab54cf83736b73a05f60df6cb8"`
[INFO] running `"docker" "rm" "-f" "c6cb7f6f6ee0d6e9761a3181e7489ef5d9c2c3ab54cf83736b73a05f60df6cb8"`
[INFO] [stdout] c6cb7f6f6ee0d6e9761a3181e7489ef5d9c2c3ab54cf83736b73a05f60df6cb8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/DadEap/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 523fe56bdf4c738914f3eb08ecab5aefdad7d05fbc8ad8db3223c57452ad8d47
[INFO] running `"docker" "start" "-a" "523fe56bdf4c738914f3eb08ecab5aefdad7d05fbc8ad8db3223c57452ad8d47"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler_project-d800a04435d9254e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test utils::prim::prime_factors_test ... ok
[INFO] [stdout] test utils::prim::is_square_test ... ok
[INFO] [stdout] test utils::prim::fermat_factors_test ... ok
[INFO] [stdout] test utils::prim::is_odd_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler_project-0b93a551c14ef12f
[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/lib-0c09307130d1ad7f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests euler_project
[INFO] [stdout] test is_prim_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `"docker" "inspect" "523fe56bdf4c738914f3eb08ecab5aefdad7d05fbc8ad8db3223c57452ad8d47"`
[INFO] running `"docker" "rm" "-f" "523fe56bdf4c738914f3eb08ecab5aefdad7d05fbc8ad8db3223c57452ad8d47"`
[INFO] [stdout] 523fe56bdf4c738914f3eb08ecab5aefdad7d05fbc8ad8db3223c57452ad8d47