[INFO] updating cached repository sutetako/rust_learning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sutetako/rust_learning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sutetako/rust_learning" "work/ex/beta-1.37-6/sources/1.36.0/gh/sutetako/rust_learning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sutetako/rust_learning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sutetako/rust_learning" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sutetako/rust_learning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sutetako/rust_learning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0073a9535e280df288c2a00b90afe7d198a24621
[INFO] sha for GitHub repo sutetako/rust_learning: 0073a9535e280df288c2a00b90afe7d198a24621
[INFO] validating manifest of sutetako/rust_learning 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 sutetako/rust_learning 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 sutetako/rust_learning
[INFO] finished frobbing sutetako/rust_learning
[INFO] frobbed toml for sutetako/rust_learning written to work/ex/beta-1.37-6/sources/1.36.0/gh/sutetako/rust_learning/Cargo.toml
[INFO] started frobbing sutetako/rust_learning
[INFO] finished frobbing sutetako/rust_learning
[INFO] frobbed toml for sutetako/rust_learning written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sutetako/rust_learning/Cargo.toml
[INFO] crate sutetako/rust_learning 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 sutetako/rust_learning 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-0/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/sutetako/rust_learning:/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] dbe5e7c038d0aef55afbbd1a2c9ab9f334f6c66795f7aa266ed5a15efcffe40a
[INFO] running `"docker" "start" "-a" "dbe5e7c038d0aef55afbbd1a2c9ab9f334f6c66795f7aa266ed5a15efcffe40a"`
[INFO] [stderr]    Compiling rust_learning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "dbe5e7c038d0aef55afbbd1a2c9ab9f334f6c66795f7aa266ed5a15efcffe40a"`
[INFO] running `"docker" "rm" "-f" "dbe5e7c038d0aef55afbbd1a2c9ab9f334f6c66795f7aa266ed5a15efcffe40a"`
[INFO] [stdout] dbe5e7c038d0aef55afbbd1a2c9ab9f334f6c66795f7aa266ed5a15efcffe40a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/sutetako/rust_learning:/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] bddf09a18ae6a07af819b3579c29099f9f8085b72ce9edec20a9533540879609
[INFO] running `"docker" "start" "-a" "bddf09a18ae6a07af819b3579c29099f9f8085b72ce9edec20a9533540879609"`
[INFO] [stderr]    Compiling rust_learning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "bddf09a18ae6a07af819b3579c29099f9f8085b72ce9edec20a9533540879609"`
[INFO] running `"docker" "rm" "-f" "bddf09a18ae6a07af819b3579c29099f9f8085b72ce9edec20a9533540879609"`
[INFO] [stdout] bddf09a18ae6a07af819b3579c29099f9f8085b72ce9edec20a9533540879609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/sutetako/rust_learning:/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] 5bba0e430f2f58776aae5f8fcb0c54deadff4e53dc8029597c816c1e8e17ce5f
[INFO] running `"docker" "start" "-a" "5bba0e430f2f58776aae5f8fcb0c54deadff4e53dc8029597c816c1e8e17ce5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_learning-b31c56eafe238c7a
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test copy_test ... ok
[INFO] [stdout] test ownership_test ... ok
[INFO] [stdout] test rc_test ... ok
[INFO] [stdout] test reference_test ... ok
[INFO] [stdout] test char_test ... ok
[INFO] [stdout] test vector_test ... ok
[INFO] [stdout] test tuple_test ... ok
[INFO] [stdout] test string_test ... ok
[INFO] [stdout] test float_test ... ok
[INFO] [stdout] test overflow ... ok
[INFO] [stdout] test array_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5bba0e430f2f58776aae5f8fcb0c54deadff4e53dc8029597c816c1e8e17ce5f"`
[INFO] running `"docker" "rm" "-f" "5bba0e430f2f58776aae5f8fcb0c54deadff4e53dc8029597c816c1e8e17ce5f"`
[INFO] [stdout] 5bba0e430f2f58776aae5f8fcb0c54deadff4e53dc8029597c816c1e8e17ce5f