[INFO] cloning repository philotelli/rust-guessing-game [INFO] running `"git" "clone" "--bare" "git://github.com/philotelli/rust-guessing-game.git" "work/cache/sources/gh/philotelli/rust-guessing-game"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/philotelli/rust-guessing-game'... [INFO] running `"git" "clone" "work/cache/sources/gh/philotelli/rust-guessing-game" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/philotelli/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/philotelli/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/philotelli/rust-guessing-game" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/philotelli/rust-guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/philotelli/rust-guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d9c1d3e61763f3d1ed231aecc8b214aeb044e9ae [INFO] sha for GitHub repo philotelli/rust-guessing-game: d9c1d3e61763f3d1ed231aecc8b214aeb044e9ae [INFO] validating manifest of philotelli/rust-guessing-game on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of philotelli/rust-guessing-game on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing philotelli/rust-guessing-game [INFO] finished frobbing philotelli/rust-guessing-game [INFO] frobbed toml for philotelli/rust-guessing-game written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/philotelli/rust-guessing-game/Cargo.toml [INFO] started frobbing philotelli/rust-guessing-game [INFO] finished frobbing philotelli/rust-guessing-game [INFO] frobbed toml for philotelli/rust-guessing-game written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/philotelli/rust-guessing-game/Cargo.toml [INFO] crate philotelli/rust-guessing-game already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking philotelli/rust-guessing-game against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/philotelli/rust-guessing-game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b5f281f9011f936dea8358d7bc528cad77a9dfea979033ec624169577603bd87 [INFO] running `"docker" "start" "-a" "b5f281f9011f936dea8358d7bc528cad77a9dfea979033ec624169577603bd87"` [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `"docker" "inspect" "b5f281f9011f936dea8358d7bc528cad77a9dfea979033ec624169577603bd87"` [INFO] running `"docker" "rm" "-f" "b5f281f9011f936dea8358d7bc528cad77a9dfea979033ec624169577603bd87"` [INFO] [stdout] b5f281f9011f936dea8358d7bc528cad77a9dfea979033ec624169577603bd87