[INFO] updating cached repository djgriffin/Rust-Guessing-Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/djgriffin/Rust-Guessing-Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/djgriffin/Rust-Guessing-Game" "work/ex/beta-1.38-1/sources/1.37.0/gh/djgriffin/Rust-Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/djgriffin/Rust-Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/djgriffin/Rust-Guessing-Game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djgriffin/Rust-Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djgriffin/Rust-Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c49f06e7719d690f745827b3fbc900f666d782c8
[INFO] sha for GitHub repo djgriffin/Rust-Guessing-Game: c49f06e7719d690f745827b3fbc900f666d782c8
[INFO] validating manifest of djgriffin/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 djgriffin/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 djgriffin/Rust-Guessing-Game
[INFO] finished frobbing djgriffin/Rust-Guessing-Game
[INFO] frobbed toml for djgriffin/Rust-Guessing-Game written to work/ex/beta-1.38-1/sources/1.37.0/gh/djgriffin/Rust-Guessing-Game/Cargo.toml
[INFO] started frobbing djgriffin/Rust-Guessing-Game
[INFO] finished frobbing djgriffin/Rust-Guessing-Game
[INFO] frobbed toml for djgriffin/Rust-Guessing-Game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djgriffin/Rust-Guessing-Game/Cargo.toml
[INFO] crate djgriffin/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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djgriffin/Rust-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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "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 djgriffin/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-0/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/djgriffin/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] 456f7f6fae95cc70e122da560e23f36db978a2920f3bbb14caa17d70e3e4d5bf
[INFO] running `"docker" "start" "-a" "456f7f6fae95cc70e122da560e23f36db978a2920f3bbb14caa17d70e3e4d5bf"`
[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" "456f7f6fae95cc70e122da560e23f36db978a2920f3bbb14caa17d70e3e4d5bf"`
[INFO] running `"docker" "rm" "-f" "456f7f6fae95cc70e122da560e23f36db978a2920f3bbb14caa17d70e3e4d5bf"`
[INFO] [stdout] 456f7f6fae95cc70e122da560e23f36db978a2920f3bbb14caa17d70e3e4d5bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/djgriffin/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] 5e0961c4ee3cc63be827cb6e45b73dfbcba7d89d20a48232bed78421a8785340
[INFO] running `"docker" "start" "-a" "5e0961c4ee3cc63be827cb6e45b73dfbcba7d89d20a48232bed78421a8785340"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "5e0961c4ee3cc63be827cb6e45b73dfbcba7d89d20a48232bed78421a8785340"`
[INFO] running `"docker" "rm" "-f" "5e0961c4ee3cc63be827cb6e45b73dfbcba7d89d20a48232bed78421a8785340"`
[INFO] [stdout] 5e0961c4ee3cc63be827cb6e45b73dfbcba7d89d20a48232bed78421a8785340
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/djgriffin/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] 46cc608031079015ad37dfbc3daec108fd6b9bd03788ea79f6291b5814693bc1
[INFO] running `"docker" "start" "-a" "46cc608031079015ad37dfbc3daec108fd6b9bd03788ea79f6291b5814693bc1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d3b489c9cf77eea3
[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" "46cc608031079015ad37dfbc3daec108fd6b9bd03788ea79f6291b5814693bc1"`
[INFO] running `"docker" "rm" "-f" "46cc608031079015ad37dfbc3daec108fd6b9bd03788ea79f6291b5814693bc1"`
[INFO] [stdout] 46cc608031079015ad37dfbc3daec108fd6b9bd03788ea79f6291b5814693bc1