[INFO] cloning repository llamicron/rusty_guessing [INFO] running `"git" "clone" "--bare" "git://github.com/llamicron/rusty_guessing.git" "work/cache/sources/gh/llamicron/rusty_guessing"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/llamicron/rusty_guessing'... [INFO] running `"git" "clone" "work/cache/sources/gh/llamicron/rusty_guessing" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/llamicron/rusty_guessing"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/llamicron/rusty_guessing'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/llamicron/rusty_guessing" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/llamicron/rusty_guessing"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/llamicron/rusty_guessing'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6d274e619e1713b381a1c1362c57349b597abab5 [INFO] sha for GitHub repo llamicron/rusty_guessing: 6d274e619e1713b381a1c1362c57349b597abab5 [INFO] validating manifest of llamicron/rusty_guessing 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 llamicron/rusty_guessing 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 llamicron/rusty_guessing [INFO] finished frobbing llamicron/rusty_guessing [INFO] frobbed toml for llamicron/rusty_guessing written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/llamicron/rusty_guessing/Cargo.toml [INFO] started frobbing llamicron/rusty_guessing [INFO] finished frobbing llamicron/rusty_guessing [INFO] frobbed toml for llamicron/rusty_guessing written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/llamicron/rusty_guessing/Cargo.toml [INFO] crate llamicron/rusty_guessing 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 llamicron/rusty_guessing against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/llamicron/rusty_guessing:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 02aa8c3abf6a717dd78ed67c323ad5a37b70142f445ce012dcea0f4234903999 [INFO] running `"docker" "start" "-a" "02aa8c3abf6a717dd78ed67c323ad5a37b70142f445ce012dcea0f4234903999"` [INFO] [stderr] Checking guess v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `"docker" "inspect" "02aa8c3abf6a717dd78ed67c323ad5a37b70142f445ce012dcea0f4234903999"` [INFO] running `"docker" "rm" "-f" "02aa8c3abf6a717dd78ed67c323ad5a37b70142f445ce012dcea0f4234903999"` [INFO] [stdout] 02aa8c3abf6a717dd78ed67c323ad5a37b70142f445ce012dcea0f4234903999