[INFO] updating cached repository mathieu-anderson/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mathieu-anderson/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mathieu-anderson/rust-guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/mathieu-anderson/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mathieu-anderson/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mathieu-anderson/rust-guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mathieu-anderson/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mathieu-anderson/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0277279690675a6ca6f4f14cef6d1b1fee9aa7cc
[INFO] sha for GitHub repo mathieu-anderson/rust-guessing-game: 0277279690675a6ca6f4f14cef6d1b1fee9aa7cc
[INFO] validating manifest of mathieu-anderson/rust-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 mathieu-anderson/rust-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 mathieu-anderson/rust-guessing-game
[INFO] finished frobbing mathieu-anderson/rust-guessing-game
[INFO] frobbed toml for mathieu-anderson/rust-guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/mathieu-anderson/rust-guessing-game/Cargo.toml
[INFO] started frobbing mathieu-anderson/rust-guessing-game
[INFO] finished frobbing mathieu-anderson/rust-guessing-game
[INFO] frobbed toml for mathieu-anderson/rust-guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mathieu-anderson/rust-guessing-game/Cargo.toml
[INFO] crate mathieu-anderson/rust-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mathieu-anderson/rust-guessing-game against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mathieu-anderson/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 20f6ef082f1056b551eb3fead3cf4a07cabbe65baaea64ac9d244b8d75e57e23
[INFO] running `"docker" "start" "-a" "20f6ef082f1056b551eb3fead3cf4a07cabbe65baaea64ac9d244b8d75e57e23"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "20f6ef082f1056b551eb3fead3cf4a07cabbe65baaea64ac9d244b8d75e57e23"`
[INFO] running `"docker" "rm" "-f" "20f6ef082f1056b551eb3fead3cf4a07cabbe65baaea64ac9d244b8d75e57e23"`
[INFO] [stdout] 20f6ef082f1056b551eb3fead3cf4a07cabbe65baaea64ac9d244b8d75e57e23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mathieu-anderson/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] edf8a7b3ad5b4d58686b5a9dd2b021c20d8cfa325dc7d5964d8bb647923568e3
[INFO] running `"docker" "start" "-a" "edf8a7b3ad5b4d58686b5a9dd2b021c20d8cfa325dc7d5964d8bb647923568e3"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "edf8a7b3ad5b4d58686b5a9dd2b021c20d8cfa325dc7d5964d8bb647923568e3"`
[INFO] running `"docker" "rm" "-f" "edf8a7b3ad5b4d58686b5a9dd2b021c20d8cfa325dc7d5964d8bb647923568e3"`
[INFO] [stdout] edf8a7b3ad5b4d58686b5a9dd2b021c20d8cfa325dc7d5964d8bb647923568e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mathieu-anderson/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 980b7e6c527a5cc3b5f8c5ac4c04522ab709687440fb2c9c760f962cbaf64756
[INFO] running `"docker" "start" "-a" "980b7e6c527a5cc3b5f8c5ac4c04522ab709687440fb2c9c760f962cbaf64756"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_guessing_game-5d556fcd279fb0c4
[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" "980b7e6c527a5cc3b5f8c5ac4c04522ab709687440fb2c9c760f962cbaf64756"`
[INFO] running `"docker" "rm" "-f" "980b7e6c527a5cc3b5f8c5ac4c04522ab709687440fb2c9c760f962cbaf64756"`
[INFO] [stdout] 980b7e6c527a5cc3b5f8c5ac4c04522ab709687440fb2c9c760f962cbaf64756