[INFO] updating cached repository ragobech/rust-guessing-game [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ragobech/rust-guessing-game [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ragobech/rust-guessing-game" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ragobech/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ragobech/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ragobech/rust-guessing-game" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ragobech/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ragobech/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8aded3c46c272936f704d55126131020bd32e30d [INFO] sha for GitHub repo ragobech/rust-guessing-game: 8aded3c46c272936f704d55126131020bd32e30d [INFO] validating manifest of ragobech/rust-guessing-game on toolchain master#1891bfa80364eead426517c68de6947b7692e2de [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ragobech/rust-guessing-game on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ragobech/rust-guessing-game [INFO] finished frobbing ragobech/rust-guessing-game [INFO] frobbed toml for ragobech/rust-guessing-game written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ragobech/rust-guessing-game/Cargo.toml [INFO] started frobbing ragobech/rust-guessing-game [INFO] finished frobbing ragobech/rust-guessing-game [INFO] frobbed toml for ragobech/rust-guessing-game written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ragobech/rust-guessing-game/Cargo.toml [INFO] crate ragobech/rust-guessing-game already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ragobech/rust-guessing-game against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-2/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ragobech/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=forbid" "-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" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3d86558894109da370c6d1a7db7e9946f22f16115873e8bda9bbae3064a53dce [INFO] running `"docker" "start" "-a" "3d86558894109da370c6d1a7db7e9946f22f16115873e8bda9bbae3064a53dce"` [INFO] [stderr] Checking rand v0.4.5 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.17s [INFO] running `"docker" "inspect" "3d86558894109da370c6d1a7db7e9946f22f16115873e8bda9bbae3064a53dce"` [INFO] running `"docker" "rm" "-f" "3d86558894109da370c6d1a7db7e9946f22f16115873e8bda9bbae3064a53dce"` [INFO] [stdout] 3d86558894109da370c6d1a7db7e9946f22f16115873e8bda9bbae3064a53dce