[INFO] cloning repository jeffs/rust-euler [INFO] running `"git" "clone" "--bare" "git://github.com/jeffs/rust-euler.git" "work/cache/sources/gh/jeffs/rust-euler"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jeffs/rust-euler'... [INFO] running `"git" "clone" "work/cache/sources/gh/jeffs/rust-euler" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jeffs/rust-euler"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jeffs/rust-euler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jeffs/rust-euler" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jeffs/rust-euler"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jeffs/rust-euler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ee12b0d784974fd5b7c586463acbbd0e042291bf [INFO] sha for GitHub repo jeffs/rust-euler: ee12b0d784974fd5b7c586463acbbd0e042291bf [INFO] validating manifest of jeffs/rust-euler 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 jeffs/rust-euler 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 jeffs/rust-euler [INFO] finished frobbing jeffs/rust-euler [INFO] frobbed toml for jeffs/rust-euler written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jeffs/rust-euler/Cargo.toml [INFO] started frobbing jeffs/rust-euler [INFO] finished frobbing jeffs/rust-euler [INFO] frobbed toml for jeffs/rust-euler written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jeffs/rust-euler/Cargo.toml [INFO] crate jeffs/rust-euler 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 jeffs/rust-euler against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jeffs/rust-euler:/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] 576bdf52c2401a6b611bd05fd5f061795780e8ccc33c9e855afbcc804632c29a [INFO] running `"docker" "start" "-a" "576bdf52c2401a6b611bd05fd5f061795780e8ccc33c9e855afbcc804632c29a"` [INFO] [stderr] Checking rust-euler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `"docker" "inspect" "576bdf52c2401a6b611bd05fd5f061795780e8ccc33c9e855afbcc804632c29a"` [INFO] running `"docker" "rm" "-f" "576bdf52c2401a6b611bd05fd5f061795780e8ccc33c9e855afbcc804632c29a"` [INFO] [stdout] 576bdf52c2401a6b611bd05fd5f061795780e8ccc33c9e855afbcc804632c29a