[INFO] updating cached repository arpit73/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arpit73/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arpit73/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/arpit73/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arpit73/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arpit73/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arpit73/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arpit73/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cb1fa0fc2277f42718e14c2bf8835635907a122
[INFO] sha for GitHub repo arpit73/rust-guessing-game: 7cb1fa0fc2277f42718e14c2bf8835635907a122
[INFO] validating manifest of arpit73/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 arpit73/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 arpit73/rust-guessing-game
[INFO] finished frobbing arpit73/rust-guessing-game
[INFO] frobbed toml for arpit73/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/arpit73/rust-guessing-game/Cargo.toml
[INFO] started frobbing arpit73/rust-guessing-game
[INFO] finished frobbing arpit73/rust-guessing-game
[INFO] frobbed toml for arpit73/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arpit73/rust-guessing-game/Cargo.toml
[INFO] crate arpit73/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 arpit73/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/arpit73/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] 852199bb36444608c8e73b3bc3fa2a879e942c882569de62e7e6632a5737ea11
[INFO] running `"docker" "start" "-a" "852199bb36444608c8e73b3bc3fa2a879e942c882569de62e7e6632a5737ea11"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `"docker" "inspect" "852199bb36444608c8e73b3bc3fa2a879e942c882569de62e7e6632a5737ea11"`
[INFO] running `"docker" "rm" "-f" "852199bb36444608c8e73b3bc3fa2a879e942c882569de62e7e6632a5737ea11"`
[INFO] [stdout] 852199bb36444608c8e73b3bc3fa2a879e942c882569de62e7e6632a5737ea11
[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/arpit73/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] ad62a86618a679d07bef430147b217446c457691a1d5c3dbcd19b9af63f168ec
[INFO] running `"docker" "start" "-a" "ad62a86618a679d07bef430147b217446c457691a1d5c3dbcd19b9af63f168ec"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "ad62a86618a679d07bef430147b217446c457691a1d5c3dbcd19b9af63f168ec"`
[INFO] running `"docker" "rm" "-f" "ad62a86618a679d07bef430147b217446c457691a1d5c3dbcd19b9af63f168ec"`
[INFO] [stdout] ad62a86618a679d07bef430147b217446c457691a1d5c3dbcd19b9af63f168ec
[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/arpit73/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] 81aa251207ca76422b2c30db3617e84f9bfd71ac08fd4f146febcde8d5e4c3ab
[INFO] running `"docker" "start" "-a" "81aa251207ca76422b2c30db3617e84f9bfd71ac08fd4f146febcde8d5e4c3ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-145ac6e255ea7b7a
[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" "81aa251207ca76422b2c30db3617e84f9bfd71ac08fd4f146febcde8d5e4c3ab"`
[INFO] running `"docker" "rm" "-f" "81aa251207ca76422b2c30db3617e84f9bfd71ac08fd4f146febcde8d5e4c3ab"`
[INFO] [stdout] 81aa251207ca76422b2c30db3617e84f9bfd71ac08fd4f146febcde8d5e4c3ab