[INFO] updating cached repository mwdowns/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mwdowns/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mwdowns/rust_guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/mwdowns/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mwdowns/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mwdowns/rust_guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mwdowns/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mwdowns/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc63692766c05df876e9cb4a069321759dee8e4e
[INFO] sha for GitHub repo mwdowns/rust_guessing_game: cc63692766c05df876e9cb4a069321759dee8e4e
[INFO] validating manifest of mwdowns/rust_guessing_game 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 mwdowns/rust_guessing_game 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 mwdowns/rust_guessing_game
[INFO] finished frobbing mwdowns/rust_guessing_game
[INFO] frobbed toml for mwdowns/rust_guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/mwdowns/rust_guessing_game/Cargo.toml
[INFO] started frobbing mwdowns/rust_guessing_game
[INFO] finished frobbing mwdowns/rust_guessing_game
[INFO] frobbed toml for mwdowns/rust_guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mwdowns/rust_guessing_game/Cargo.toml
[INFO] crate mwdowns/rust_guessing_game 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 mwdowns/rust_guessing_game 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-3/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/mwdowns/rust_guessing_game:/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] de9c197856cc72774be539a87ecbe68de09f647a0615470e4d4600464925a978
[INFO] running `"docker" "start" "-a" "de9c197856cc72774be539a87ecbe68de09f647a0615470e4d4600464925a978"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "de9c197856cc72774be539a87ecbe68de09f647a0615470e4d4600464925a978"`
[INFO] running `"docker" "rm" "-f" "de9c197856cc72774be539a87ecbe68de09f647a0615470e4d4600464925a978"`
[INFO] [stdout] de9c197856cc72774be539a87ecbe68de09f647a0615470e4d4600464925a978
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/mwdowns/rust_guessing_game:/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] f6fda41758759af1dc98b2559607fabfcc30992419bcd3524de5a00b9b3904fe
[INFO] running `"docker" "start" "-a" "f6fda41758759af1dc98b2559607fabfcc30992419bcd3524de5a00b9b3904fe"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "f6fda41758759af1dc98b2559607fabfcc30992419bcd3524de5a00b9b3904fe"`
[INFO] running `"docker" "rm" "-f" "f6fda41758759af1dc98b2559607fabfcc30992419bcd3524de5a00b9b3904fe"`
[INFO] [stdout] f6fda41758759af1dc98b2559607fabfcc30992419bcd3524de5a00b9b3904fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/mwdowns/rust_guessing_game:/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] a9a4c9d6245e21ab1768be1385ed97d7655f6dc63f03c6f016ffdaff2b04f0ca
[INFO] running `"docker" "start" "-a" "a9a4c9d6245e21ab1768be1385ed97d7655f6dc63f03c6f016ffdaff2b04f0ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-be42cb5a54c8540a
[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" "a9a4c9d6245e21ab1768be1385ed97d7655f6dc63f03c6f016ffdaff2b04f0ca"`
[INFO] running `"docker" "rm" "-f" "a9a4c9d6245e21ab1768be1385ed97d7655f6dc63f03c6f016ffdaff2b04f0ca"`
[INFO] [stdout] a9a4c9d6245e21ab1768be1385ed97d7655f6dc63f03c6f016ffdaff2b04f0ca