[INFO] updating cached repository falsewasnottrue/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/falsewasnottrue/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/falsewasnottrue/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/falsewasnottrue/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/falsewasnottrue/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/falsewasnottrue/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/falsewasnottrue/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/falsewasnottrue/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7674b8388e1ff05bc8df2d2f6ff4deead8985ea
[INFO] sha for GitHub repo falsewasnottrue/guessing_game: d7674b8388e1ff05bc8df2d2f6ff4deead8985ea
[INFO] validating manifest of falsewasnottrue/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 falsewasnottrue/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 falsewasnottrue/guessing_game
[INFO] finished frobbing falsewasnottrue/guessing_game
[INFO] frobbed toml for falsewasnottrue/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/falsewasnottrue/guessing_game/Cargo.toml
[INFO] started frobbing falsewasnottrue/guessing_game
[INFO] finished frobbing falsewasnottrue/guessing_game
[INFO] frobbed toml for falsewasnottrue/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/falsewasnottrue/guessing_game/Cargo.toml
[INFO] crate falsewasnottrue/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 falsewasnottrue/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-6/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/falsewasnottrue/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] 05c4df96fb61b439d545d9eeb8c91ba8c4cf64236ee2f81bc622efec0f8a9867
[INFO] running `"docker" "start" "-a" "05c4df96fb61b439d545d9eeb8c91ba8c4cf64236ee2f81bc622efec0f8a9867"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `"docker" "inspect" "05c4df96fb61b439d545d9eeb8c91ba8c4cf64236ee2f81bc622efec0f8a9867"`
[INFO] running `"docker" "rm" "-f" "05c4df96fb61b439d545d9eeb8c91ba8c4cf64236ee2f81bc622efec0f8a9867"`
[INFO] [stdout] 05c4df96fb61b439d545d9eeb8c91ba8c4cf64236ee2f81bc622efec0f8a9867
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/falsewasnottrue/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] 92cc4a2e3f857f1d5e77b5a139b53133f8d464ffc72337e5ad4c8a97e4b841fb
[INFO] running `"docker" "start" "-a" "92cc4a2e3f857f1d5e77b5a139b53133f8d464ffc72337e5ad4c8a97e4b841fb"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "92cc4a2e3f857f1d5e77b5a139b53133f8d464ffc72337e5ad4c8a97e4b841fb"`
[INFO] running `"docker" "rm" "-f" "92cc4a2e3f857f1d5e77b5a139b53133f8d464ffc72337e5ad4c8a97e4b841fb"`
[INFO] [stdout] 92cc4a2e3f857f1d5e77b5a139b53133f8d464ffc72337e5ad4c8a97e4b841fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/falsewasnottrue/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] c6a056195b9e2ac9eca743d7242c262d2a4056cc56e19e6961ce65c03d924fa1
[INFO] running `"docker" "start" "-a" "c6a056195b9e2ac9eca743d7242c262d2a4056cc56e19e6961ce65c03d924fa1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-83f95de530eb3036
[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" "c6a056195b9e2ac9eca743d7242c262d2a4056cc56e19e6961ce65c03d924fa1"`
[INFO] running `"docker" "rm" "-f" "c6a056195b9e2ac9eca743d7242c262d2a4056cc56e19e6961ce65c03d924fa1"`
[INFO] [stdout] c6a056195b9e2ac9eca743d7242c262d2a4056cc56e19e6961ce65c03d924fa1