[INFO] updating cached repository aerosabe/practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aerosabe/practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aerosabe/practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/aerosabe/practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aerosabe/practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aerosabe/practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aerosabe/practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aerosabe/practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] sha for GitHub repo aerosabe/practice: 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] validating manifest of aerosabe/practice 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 aerosabe/practice 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 aerosabe/practice
[INFO] finished frobbing aerosabe/practice
[INFO] frobbed toml for aerosabe/practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/aerosabe/practice/Cargo.toml
[INFO] started frobbing aerosabe/practice
[INFO] finished frobbing aerosabe/practice
[INFO] frobbed toml for aerosabe/practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aerosabe/practice/Cargo.toml
[INFO] crate aerosabe/practice 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 aerosabe/practice 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-0/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/aerosabe/practice:/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] 6e75e76351ed5d0d267878111c4fb19a50b22ff3937d5634c87f05f9ac2bd58f
[INFO] running `"docker" "start" "-a" "6e75e76351ed5d0d267878111c4fb19a50b22ff3937d5634c87f05f9ac2bd58f"`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "6e75e76351ed5d0d267878111c4fb19a50b22ff3937d5634c87f05f9ac2bd58f"`
[INFO] running `"docker" "rm" "-f" "6e75e76351ed5d0d267878111c4fb19a50b22ff3937d5634c87f05f9ac2bd58f"`
[INFO] [stdout] 6e75e76351ed5d0d267878111c4fb19a50b22ff3937d5634c87f05f9ac2bd58f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/aerosabe/practice:/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] 157c38cdd80816fd50a8617897082e084c36f92fd66e8b5084f63709cfe54114
[INFO] running `"docker" "start" "-a" "157c38cdd80816fd50a8617897082e084c36f92fd66e8b5084f63709cfe54114"`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "157c38cdd80816fd50a8617897082e084c36f92fd66e8b5084f63709cfe54114"`
[INFO] running `"docker" "rm" "-f" "157c38cdd80816fd50a8617897082e084c36f92fd66e8b5084f63709cfe54114"`
[INFO] [stdout] 157c38cdd80816fd50a8617897082e084c36f92fd66e8b5084f63709cfe54114
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/aerosabe/practice:/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] 0cac81630a8df69baa3ed2cb06895367e2ef35984b8adf30fbd38e0e6e4516f4
[INFO] running `"docker" "start" "-a" "0cac81630a8df69baa3ed2cb06895367e2ef35984b8adf30fbd38e0e6e4516f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/practice-3b666fb7881bfd21
[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" "0cac81630a8df69baa3ed2cb06895367e2ef35984b8adf30fbd38e0e6e4516f4"`
[INFO] running `"docker" "rm" "-f" "0cac81630a8df69baa3ed2cb06895367e2ef35984b8adf30fbd38e0e6e4516f4"`
[INFO] [stdout] 0cac81630a8df69baa3ed2cb06895367e2ef35984b8adf30fbd38e0e6e4516f4