[INFO] updating cached repository kenburcham/rust_tutorials
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kenburcham/rust_tutorials
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kenburcham/rust_tutorials" "work/ex/beta-1.37-6/sources/1.36.0/gh/kenburcham/rust_tutorials"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kenburcham/rust_tutorials'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kenburcham/rust_tutorials" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kenburcham/rust_tutorials"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kenburcham/rust_tutorials'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78fd5731936dc0b033772bc9736fbc1c7aa6cdef
[INFO] sha for GitHub repo kenburcham/rust_tutorials: 78fd5731936dc0b033772bc9736fbc1c7aa6cdef
[INFO] validating manifest of kenburcham/rust_tutorials 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 kenburcham/rust_tutorials 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 kenburcham/rust_tutorials
[INFO] finished frobbing kenburcham/rust_tutorials
[INFO] frobbed toml for kenburcham/rust_tutorials written to work/ex/beta-1.37-6/sources/1.36.0/gh/kenburcham/rust_tutorials/Cargo.toml
[INFO] started frobbing kenburcham/rust_tutorials
[INFO] finished frobbing kenburcham/rust_tutorials
[INFO] frobbed toml for kenburcham/rust_tutorials written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kenburcham/rust_tutorials/Cargo.toml
[INFO] crate kenburcham/rust_tutorials 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 kenburcham/rust_tutorials 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-7/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/kenburcham/rust_tutorials:/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] 73152f0f37973fe7d774bcb1f593ac8a2c1f3d995393c2b023279dda5ea4d7d3
[INFO] running `"docker" "start" "-a" "73152f0f37973fe7d774bcb1f593ac8a2c1f3d995393c2b023279dda5ea4d7d3"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "73152f0f37973fe7d774bcb1f593ac8a2c1f3d995393c2b023279dda5ea4d7d3"`
[INFO] running `"docker" "rm" "-f" "73152f0f37973fe7d774bcb1f593ac8a2c1f3d995393c2b023279dda5ea4d7d3"`
[INFO] [stdout] 73152f0f37973fe7d774bcb1f593ac8a2c1f3d995393c2b023279dda5ea4d7d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/kenburcham/rust_tutorials:/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] aa48d05aefe1ee1c852157129cd6853cdf65a8d8f6a3bd1a876150bdd5beeac2
[INFO] running `"docker" "start" "-a" "aa48d05aefe1ee1c852157129cd6853cdf65a8d8f6a3bd1a876150bdd5beeac2"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "aa48d05aefe1ee1c852157129cd6853cdf65a8d8f6a3bd1a876150bdd5beeac2"`
[INFO] running `"docker" "rm" "-f" "aa48d05aefe1ee1c852157129cd6853cdf65a8d8f6a3bd1a876150bdd5beeac2"`
[INFO] [stdout] aa48d05aefe1ee1c852157129cd6853cdf65a8d8f6a3bd1a876150bdd5beeac2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/kenburcham/rust_tutorials:/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] 2ece437a9bb77fad490491da20369637f58fded253a051ac1dce36a13ce32f3b
[INFO] running `"docker" "start" "-a" "2ece437a9bb77fad490491da20369637f58fded253a051ac1dce36a13ce32f3b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-343413bf7b7d5e1e
[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" "2ece437a9bb77fad490491da20369637f58fded253a051ac1dce36a13ce32f3b"`
[INFO] running `"docker" "rm" "-f" "2ece437a9bb77fad490491da20369637f58fded253a051ac1dce36a13ce32f3b"`
[INFO] [stdout] 2ece437a9bb77fad490491da20369637f58fded253a051ac1dce36a13ce32f3b