[INFO] updating cached repository StanislawTerziev/rust_exploration
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/StanislawTerziev/rust_exploration
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/StanislawTerziev/rust_exploration" "work/ex/beta-1.37-6/sources/1.36.0/gh/StanislawTerziev/rust_exploration"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/StanislawTerziev/rust_exploration'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/StanislawTerziev/rust_exploration" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/StanislawTerziev/rust_exploration"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/StanislawTerziev/rust_exploration'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6dfb28996775d20b38f492755cd56399b9948572
[INFO] sha for GitHub repo StanislawTerziev/rust_exploration: 6dfb28996775d20b38f492755cd56399b9948572
[INFO] validating manifest of StanislawTerziev/rust_exploration 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 StanislawTerziev/rust_exploration 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 StanislawTerziev/rust_exploration
[INFO] finished frobbing StanislawTerziev/rust_exploration
[INFO] frobbed toml for StanislawTerziev/rust_exploration written to work/ex/beta-1.37-6/sources/1.36.0/gh/StanislawTerziev/rust_exploration/Cargo.toml
[INFO] started frobbing StanislawTerziev/rust_exploration
[INFO] finished frobbing StanislawTerziev/rust_exploration
[INFO] frobbed toml for StanislawTerziev/rust_exploration written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/StanislawTerziev/rust_exploration/Cargo.toml
[INFO] crate StanislawTerziev/rust_exploration 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing StanislawTerziev/rust_exploration 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-7/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/StanislawTerziev/rust_exploration:/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] 9f09b940de23be06bfe493d605fdc0f9ff8c88839cb2bc185136dba60b5c67c7
[INFO] running `"docker" "start" "-a" "9f09b940de23be06bfe493d605fdc0f9ff8c88839cb2bc185136dba60b5c67c7"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function `loopingWorker` should have a snake case name
[INFO] [stderr]   --> src/string_manipulation.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn loopingWorker(symbol_sequence: &String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `looping_worker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "9f09b940de23be06bfe493d605fdc0f9ff8c88839cb2bc185136dba60b5c67c7"`
[INFO] running `"docker" "rm" "-f" "9f09b940de23be06bfe493d605fdc0f9ff8c88839cb2bc185136dba60b5c67c7"`
[INFO] [stdout] 9f09b940de23be06bfe493d605fdc0f9ff8c88839cb2bc185136dba60b5c67c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/StanislawTerziev/rust_exploration:/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] 990dd3942a1b6ce4c6761a01409004c06ffdf4794361644fb586b97196915bb5
[INFO] running `"docker" "start" "-a" "990dd3942a1b6ce4c6761a01409004c06ffdf4794361644fb586b97196915bb5"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function `loopingWorker` should have a snake case name
[INFO] [stderr]   --> src/string_manipulation.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn loopingWorker(symbol_sequence: &String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `looping_worker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "990dd3942a1b6ce4c6761a01409004c06ffdf4794361644fb586b97196915bb5"`
[INFO] running `"docker" "rm" "-f" "990dd3942a1b6ce4c6761a01409004c06ffdf4794361644fb586b97196915bb5"`
[INFO] [stdout] 990dd3942a1b6ce4c6761a01409004c06ffdf4794361644fb586b97196915bb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/StanislawTerziev/rust_exploration:/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] e32c407cc3729ca7c46de1cb1c502639380ff35640922235d43728089fd2517c
[INFO] running `"docker" "start" "-a" "e32c407cc3729ca7c46de1cb1c502639380ff35640922235d43728089fd2517c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-60cc733abf3d3c04
[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" "e32c407cc3729ca7c46de1cb1c502639380ff35640922235d43728089fd2517c"`
[INFO] running `"docker" "rm" "-f" "e32c407cc3729ca7c46de1cb1c502639380ff35640922235d43728089fd2517c"`
[INFO] [stdout] e32c407cc3729ca7c46de1cb1c502639380ff35640922235d43728089fd2517c