[INFO] cloning repository jasongraalum/generic_tree [INFO] running `"git" "clone" "--bare" "git://github.com/jasongraalum/generic_tree.git" "work/cache/sources/gh/jasongraalum/generic_tree"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jasongraalum/generic_tree'... [INFO] running `"git" "clone" "work/cache/sources/gh/jasongraalum/generic_tree" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jasongraalum/generic_tree"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jasongraalum/generic_tree'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jasongraalum/generic_tree" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jasongraalum/generic_tree"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jasongraalum/generic_tree'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5 [INFO] sha for GitHub repo jasongraalum/generic_tree: 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5 [INFO] validating manifest of jasongraalum/generic_tree 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 jasongraalum/generic_tree 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 jasongraalum/generic_tree [INFO] finished frobbing jasongraalum/generic_tree [INFO] frobbed toml for jasongraalum/generic_tree written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jasongraalum/generic_tree/Cargo.toml [INFO] started frobbing jasongraalum/generic_tree [INFO] finished frobbing jasongraalum/generic_tree [INFO] frobbed toml for jasongraalum/generic_tree written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jasongraalum/generic_tree/Cargo.toml [INFO] crate jasongraalum/generic_tree 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 jasongraalum/generic_tree against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jasongraalum/generic_tree:/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] 0132abf19df68ce49fabc2281d8f9b14b7785b99c955bcc24a8fb65ca8e3db95 [INFO] running `"docker" "start" "-a" "0132abf19df68ce49fabc2281d8f9b14b7785b99c955bcc24a8fb65ca8e3db95"` [INFO] [stderr] Checking generic_tree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `"docker" "inspect" "0132abf19df68ce49fabc2281d8f9b14b7785b99c955bcc24a8fb65ca8e3db95"` [INFO] running `"docker" "rm" "-f" "0132abf19df68ce49fabc2281d8f9b14b7785b99c955bcc24a8fb65ca8e3db95"` [INFO] [stdout] 0132abf19df68ce49fabc2281d8f9b14b7785b99c955bcc24a8fb65ca8e3db95