[INFO] updating cached repository AlexVPopov/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlexVPopov/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexVPopov/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/AlexVPopov/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AlexVPopov/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexVPopov/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexVPopov/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexVPopov/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 562ee64b06a4de073eb92511710df7aafa25632f
[INFO] sha for GitHub repo AlexVPopov/guessing_game: 562ee64b06a4de073eb92511710df7aafa25632f
[INFO] validating manifest of AlexVPopov/guessing_game on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlexVPopov/guessing_game on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlexVPopov/guessing_game
[INFO] finished frobbing AlexVPopov/guessing_game
[INFO] frobbed toml for AlexVPopov/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/AlexVPopov/guessing_game/Cargo.toml
[INFO] started frobbing AlexVPopov/guessing_game
[INFO] finished frobbing AlexVPopov/guessing_game
[INFO] frobbed toml for AlexVPopov/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexVPopov/guessing_game/Cargo.toml
[INFO] crate AlexVPopov/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlexVPopov/guessing_game/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AlexVPopov/guessing_game against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexVPopov/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] dd64642b5274f32c3cbf31a0a7ce1cce2c3891fce50f33fb6a5ce6b8b38e93bd
[INFO] running `"docker" "start" "-a" "dd64642b5274f32c3cbf31a0a7ce1cce2c3891fce50f33fb6a5ce6b8b38e93bd"`
[INFO] [stderr]    Compiling guesssing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "dd64642b5274f32c3cbf31a0a7ce1cce2c3891fce50f33fb6a5ce6b8b38e93bd"`
[INFO] running `"docker" "rm" "-f" "dd64642b5274f32c3cbf31a0a7ce1cce2c3891fce50f33fb6a5ce6b8b38e93bd"`
[INFO] [stdout] dd64642b5274f32c3cbf31a0a7ce1cce2c3891fce50f33fb6a5ce6b8b38e93bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexVPopov/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b43630577f1c535f9c7ad7262dd6a642dd5f53d5d67844a4011abb001e2c823
[INFO] running `"docker" "start" "-a" "9b43630577f1c535f9c7ad7262dd6a642dd5f53d5d67844a4011abb001e2c823"`
[INFO] [stderr]    Compiling guesssing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "9b43630577f1c535f9c7ad7262dd6a642dd5f53d5d67844a4011abb001e2c823"`
[INFO] running `"docker" "rm" "-f" "9b43630577f1c535f9c7ad7262dd6a642dd5f53d5d67844a4011abb001e2c823"`
[INFO] [stdout] 9b43630577f1c535f9c7ad7262dd6a642dd5f53d5d67844a4011abb001e2c823
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexVPopov/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 70e56b753e1a9a412fe7f8237b22c0b08be045efd790a723602dae8684136a0c
[INFO] running `"docker" "start" "-a" "70e56b753e1a9a412fe7f8237b22c0b08be045efd790a723602dae8684136a0c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guesssing_game-2094c6fb1aa3beb5
[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" "70e56b753e1a9a412fe7f8237b22c0b08be045efd790a723602dae8684136a0c"`
[INFO] running `"docker" "rm" "-f" "70e56b753e1a9a412fe7f8237b22c0b08be045efd790a723602dae8684136a0c"`
[INFO] [stdout] 70e56b753e1a9a412fe7f8237b22c0b08be045efd790a723602dae8684136a0c