[INFO] updating cached repository connors2015/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/connors2015/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/connors2015/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/connors2015/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/connors2015/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/connors2015/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/connors2015/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/connors2015/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2adc90ff724d8f8af2f39fef37f0006f4aca150
[INFO] sha for GitHub repo connors2015/guessing_game: c2adc90ff724d8f8af2f39fef37f0006f4aca150
[INFO] validating manifest of connors2015/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 connors2015/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 connors2015/guessing_game
[INFO] finished frobbing connors2015/guessing_game
[INFO] frobbed toml for connors2015/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/connors2015/guessing_game/Cargo.toml
[INFO] started frobbing connors2015/guessing_game
[INFO] finished frobbing connors2015/guessing_game
[INFO] frobbed toml for connors2015/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/connors2015/guessing_game/Cargo.toml
[INFO] crate connors2015/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 connors2015/guessing_game 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/connors2015/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d262c02ab2c04092e58d52f0c8f9a7604cd73decff2f6d49d9762179864e27b2
[INFO] running `"docker" "start" "-a" "d262c02ab2c04092e58d52f0c8f9a7604cd73decff2f6d49d9762179864e27b2"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "d262c02ab2c04092e58d52f0c8f9a7604cd73decff2f6d49d9762179864e27b2"`
[INFO] running `"docker" "rm" "-f" "d262c02ab2c04092e58d52f0c8f9a7604cd73decff2f6d49d9762179864e27b2"`
[INFO] [stdout] d262c02ab2c04092e58d52f0c8f9a7604cd73decff2f6d49d9762179864e27b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/connors2015/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d447d41c2e4797cd689a280713381e1865fad5edfd0674f19d393413345b45ca
[INFO] running `"docker" "start" "-a" "d447d41c2e4797cd689a280713381e1865fad5edfd0674f19d393413345b45ca"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "d447d41c2e4797cd689a280713381e1865fad5edfd0674f19d393413345b45ca"`
[INFO] running `"docker" "rm" "-f" "d447d41c2e4797cd689a280713381e1865fad5edfd0674f19d393413345b45ca"`
[INFO] [stdout] d447d41c2e4797cd689a280713381e1865fad5edfd0674f19d393413345b45ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/connors2015/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5469c108160d43413b4f01f0a85e19334e3a27e904659fbced10f1b3e06cf1a7
[INFO] running `"docker" "start" "-a" "5469c108160d43413b4f01f0a85e19334e3a27e904659fbced10f1b3e06cf1a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-9425f50ba0020225
[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" "5469c108160d43413b4f01f0a85e19334e3a27e904659fbced10f1b3e06cf1a7"`
[INFO] running `"docker" "rm" "-f" "5469c108160d43413b4f01f0a85e19334e3a27e904659fbced10f1b3e06cf1a7"`
[INFO] [stdout] 5469c108160d43413b4f01f0a85e19334e3a27e904659fbced10f1b3e06cf1a7