[INFO] cloning repository PragTob/rust_playground
[INFO] running `"git" "clone" "--bare" "git://github.com/PragTob/rust_playground.git" "work/cache/sources/gh/PragTob/rust_playground"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/PragTob/rust_playground'...
[INFO] running `"git" "clone" "work/cache/sources/gh/PragTob/rust_playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PragTob/rust_playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PragTob/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PragTob/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af88234da82c1cff7bf025abcae033927707078e
[INFO] sha for GitHub repo PragTob/rust_playground: af88234da82c1cff7bf025abcae033927707078e
[INFO] validating manifest of PragTob/rust_playground 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 PragTob/rust_playground 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 PragTob/rust_playground
[INFO] finished frobbing PragTob/rust_playground
[INFO] frobbed toml for PragTob/rust_playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground/Cargo.toml
[INFO] started frobbing PragTob/rust_playground
[INFO] finished frobbing PragTob/rust_playground
[INFO] frobbed toml for PragTob/rust_playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PragTob/rust_playground/Cargo.toml
[INFO] crate PragTob/rust_playground 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 PragTob/rust_playground 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-3/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/PragTob/rust_playground:/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] 870ca21c15bc6484e48736daf3112887bb69ed3b21dd8d983de8f08a71f9589c
[INFO] running `"docker" "start" "-a" "870ca21c15bc6484e48736daf3112887bb69ed3b21dd8d983de8f08a71f9589c"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "870ca21c15bc6484e48736daf3112887bb69ed3b21dd8d983de8f08a71f9589c"`
[INFO] running `"docker" "rm" "-f" "870ca21c15bc6484e48736daf3112887bb69ed3b21dd8d983de8f08a71f9589c"`
[INFO] [stdout] 870ca21c15bc6484e48736daf3112887bb69ed3b21dd8d983de8f08a71f9589c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/PragTob/rust_playground:/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] fbe79fe9de86d38f4a8e2f6563e26d461a8ab83b815da937bf67618d8637ef43
[INFO] running `"docker" "start" "-a" "fbe79fe9de86d38f4a8e2f6563e26d461a8ab83b815da937bf67618d8637ef43"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "fbe79fe9de86d38f4a8e2f6563e26d461a8ab83b815da937bf67618d8637ef43"`
[INFO] running `"docker" "rm" "-f" "fbe79fe9de86d38f4a8e2f6563e26d461a8ab83b815da937bf67618d8637ef43"`
[INFO] [stdout] fbe79fe9de86d38f4a8e2f6563e26d461a8ab83b815da937bf67618d8637ef43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/PragTob/rust_playground:/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] f5aedacba8b8d4d4aaa3fd2568acebd808381a1bede74f1475ba709a3ea96e0f
[INFO] running `"docker" "start" "-a" "f5aedacba8b8d4d4aaa3fd2568acebd808381a1bede74f1475ba709a3ea96e0f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_playground-ac095fc1d68bec7f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::summing_up ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f5aedacba8b8d4d4aaa3fd2568acebd808381a1bede74f1475ba709a3ea96e0f"`
[INFO] running `"docker" "rm" "-f" "f5aedacba8b8d4d4aaa3fd2568acebd808381a1bede74f1475ba709a3ea96e0f"`
[INFO] [stdout] f5aedacba8b8d4d4aaa3fd2568acebd808381a1bede74f1475ba709a3ea96e0f