[INFO] updating cached repository sileixinhua/RustLearning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sileixinhua/RustLearning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sileixinhua/RustLearning" "work/ex/beta-1.37-6/sources/1.36.0/gh/sileixinhua/RustLearning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sileixinhua/RustLearning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sileixinhua/RustLearning" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sileixinhua/RustLearning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sileixinhua/RustLearning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 086eec506800e0ed7214acdca049dd1aaf588c2f
[INFO] sha for GitHub repo sileixinhua/RustLearning: 086eec506800e0ed7214acdca049dd1aaf588c2f
[INFO] validating manifest of sileixinhua/RustLearning 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 sileixinhua/RustLearning 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 sileixinhua/RustLearning
[INFO] finished frobbing sileixinhua/RustLearning
[INFO] frobbed toml for sileixinhua/RustLearning written to work/ex/beta-1.37-6/sources/1.36.0/gh/sileixinhua/RustLearning/Cargo.toml
[INFO] started frobbing sileixinhua/RustLearning
[INFO] finished frobbing sileixinhua/RustLearning
[INFO] frobbed toml for sileixinhua/RustLearning written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sileixinhua/RustLearning/Cargo.toml
[INFO] crate sileixinhua/RustLearning 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 sileixinhua/RustLearning 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-5/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/sileixinhua/RustLearning:/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] 434169334dafe208223c83e3eab4c3b4840da48b575f4bd1aa6293aeec409e64
[INFO] running `"docker" "start" "-a" "434169334dafe208223c83e3eab4c3b4840da48b575f4bd1aa6293aeec409e64"`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "434169334dafe208223c83e3eab4c3b4840da48b575f4bd1aa6293aeec409e64"`
[INFO] running `"docker" "rm" "-f" "434169334dafe208223c83e3eab4c3b4840da48b575f4bd1aa6293aeec409e64"`
[INFO] [stdout] 434169334dafe208223c83e3eab4c3b4840da48b575f4bd1aa6293aeec409e64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/sileixinhua/RustLearning:/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] 7d7659cf7a95e21128dbbdd2a2d7def85a8737feb81b42cc7cd6c2f5d4bba5cd
[INFO] running `"docker" "start" "-a" "7d7659cf7a95e21128dbbdd2a2d7def85a8737feb81b42cc7cd6c2f5d4bba5cd"`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "7d7659cf7a95e21128dbbdd2a2d7def85a8737feb81b42cc7cd6c2f5d4bba5cd"`
[INFO] running `"docker" "rm" "-f" "7d7659cf7a95e21128dbbdd2a2d7def85a8737feb81b42cc7cd6c2f5d4bba5cd"`
[INFO] [stdout] 7d7659cf7a95e21128dbbdd2a2d7def85a8737feb81b42cc7cd6c2f5d4bba5cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/sileixinhua/RustLearning:/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] 2abfd1bb4f9969081e8ef107522b69ab84cb2d0e746f6ba29e44c62382d28fe1
[INFO] running `"docker" "start" "-a" "2abfd1bb4f9969081e8ef107522b69ab84cb2d0e746f6ba29e44c62382d28fe1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/untitled-8f4c2bd55a5fd2d6
[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" "2abfd1bb4f9969081e8ef107522b69ab84cb2d0e746f6ba29e44c62382d28fe1"`
[INFO] running `"docker" "rm" "-f" "2abfd1bb4f9969081e8ef107522b69ab84cb2d0e746f6ba29e44c62382d28fe1"`
[INFO] [stdout] 2abfd1bb4f9969081e8ef107522b69ab84cb2d0e746f6ba29e44c62382d28fe1