[INFO] updating cached repository simicic/project_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simicic/project_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simicic/project_euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/simicic/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/simicic/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simicic/project_euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simicic/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simicic/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2962c693cbd77d7a56698677b3aac0423b4cba02
[INFO] sha for GitHub repo simicic/project_euler: 2962c693cbd77d7a56698677b3aac0423b4cba02
[INFO] validating manifest of simicic/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 simicic/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 simicic/project_euler
[INFO] finished frobbing simicic/project_euler
[INFO] frobbed toml for simicic/project_euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/simicic/project_euler/Cargo.toml
[INFO] started frobbing simicic/project_euler
[INFO] finished frobbing simicic/project_euler
[INFO] frobbed toml for simicic/project_euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simicic/project_euler/Cargo.toml
[INFO] crate simicic/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 simicic/project_euler 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/simicic/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4863b9b1a3e05ee83dee75f6071b734f81d2cd4684d23e02d5074a5a6255d351
[INFO] running `"docker" "start" "-a" "4863b9b1a3e05ee83dee75f6071b734f81d2cd4684d23e02d5074a5a6255d351"`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "4863b9b1a3e05ee83dee75f6071b734f81d2cd4684d23e02d5074a5a6255d351"`
[INFO] running `"docker" "rm" "-f" "4863b9b1a3e05ee83dee75f6071b734f81d2cd4684d23e02d5074a5a6255d351"`
[INFO] [stdout] 4863b9b1a3e05ee83dee75f6071b734f81d2cd4684d23e02d5074a5a6255d351
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/simicic/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 983667a176710a6bb644e497e772cb2e346f213471ad5113f130c16f2f901bd0
[INFO] running `"docker" "start" "-a" "983667a176710a6bb644e497e772cb2e346f213471ad5113f130c16f2f901bd0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "983667a176710a6bb644e497e772cb2e346f213471ad5113f130c16f2f901bd0"`
[INFO] running `"docker" "rm" "-f" "983667a176710a6bb644e497e772cb2e346f213471ad5113f130c16f2f901bd0"`
[INFO] [stdout] 983667a176710a6bb644e497e772cb2e346f213471ad5113f130c16f2f901bd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/simicic/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 628dcd2e6b9b5d47f9adcecaa811be7050f3e1714c24a28233f5408dbf4aa5b3
[INFO] running `"docker" "start" "-a" "628dcd2e6b9b5d47f9adcecaa811be7050f3e1714c24a28233f5408dbf4aa5b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-733f22fe88cf88cb
[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/main-5456eac2acfe9e2a
[INFO] [stderr]    Doc-tests lib
[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] running `"docker" "inspect" "628dcd2e6b9b5d47f9adcecaa811be7050f3e1714c24a28233f5408dbf4aa5b3"`
[INFO] running `"docker" "rm" "-f" "628dcd2e6b9b5d47f9adcecaa811be7050f3e1714c24a28233f5408dbf4aa5b3"`
[INFO] [stdout] 628dcd2e6b9b5d47f9adcecaa811be7050f3e1714c24a28233f5408dbf4aa5b3