[INFO] updating cached repository the7thobserver/RustGuessingGame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/the7thobserver/RustGuessingGame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/the7thobserver/RustGuessingGame" "work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/the7thobserver/RustGuessingGame" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the7thobserver/RustGuessingGame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the7thobserver/RustGuessingGame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f5169c08baea899489cf8f8d9376b9adea7ab3d
[INFO] sha for GitHub repo the7thobserver/RustGuessingGame: 5f5169c08baea899489cf8f8d9376b9adea7ab3d
[INFO] validating manifest of the7thobserver/RustGuessingGame 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 the7thobserver/RustGuessingGame 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 the7thobserver/RustGuessingGame
[INFO] finished frobbing the7thobserver/RustGuessingGame
[INFO] frobbed toml for the7thobserver/RustGuessingGame written to work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame/Cargo.toml
[INFO] started frobbing the7thobserver/RustGuessingGame
[INFO] finished frobbing the7thobserver/RustGuessingGame
[INFO] frobbed toml for the7thobserver/RustGuessingGame written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/the7thobserver/RustGuessingGame/Cargo.toml
[INFO] crate the7thobserver/RustGuessingGame 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 the7thobserver/RustGuessingGame against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e439283fc3f4119d97fb00a45dba55aa64dec4d1253f98485eae1c787a9238e1
[INFO] running `"docker" "start" "-a" "e439283fc3f4119d97fb00a45dba55aa64dec4d1253f98485eae1c787a9238e1"`
[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" "e439283fc3f4119d97fb00a45dba55aa64dec4d1253f98485eae1c787a9238e1"`
[INFO] running `"docker" "rm" "-f" "e439283fc3f4119d97fb00a45dba55aa64dec4d1253f98485eae1c787a9238e1"`
[INFO] [stdout] e439283fc3f4119d97fb00a45dba55aa64dec4d1253f98485eae1c787a9238e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 48c62abd7895c85ee64f806b93b6038fae1e469a2d539c66cfa9ab6149155ca5
[INFO] running `"docker" "start" "-a" "48c62abd7895c85ee64f806b93b6038fae1e469a2d539c66cfa9ab6149155ca5"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "48c62abd7895c85ee64f806b93b6038fae1e469a2d539c66cfa9ab6149155ca5"`
[INFO] running `"docker" "rm" "-f" "48c62abd7895c85ee64f806b93b6038fae1e469a2d539c66cfa9ab6149155ca5"`
[INFO] [stdout] 48c62abd7895c85ee64f806b93b6038fae1e469a2d539c66cfa9ab6149155ca5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/the7thobserver/RustGuessingGame:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b664b091faddb020b56ffcca38196111762f7b995389d93a9f6b31ea343af8a4
[INFO] running `"docker" "start" "-a" "b664b091faddb020b56ffcca38196111762f7b995389d93a9f6b31ea343af8a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-bb35a4df9ee8519d
[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" "b664b091faddb020b56ffcca38196111762f7b995389d93a9f6b31ea343af8a4"`
[INFO] running `"docker" "rm" "-f" "b664b091faddb020b56ffcca38196111762f7b995389d93a9f6b31ea343af8a4"`
[INFO] [stdout] b664b091faddb020b56ffcca38196111762f7b995389d93a9f6b31ea343af8a4