[INFO] cloning repository cthunman/bellman_ford
[INFO] running `"git" "clone" "--bare" "git://github.com/cthunman/bellman_ford.git" "work/cache/sources/gh/cthunman/bellman_ford"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cthunman/bellman_ford'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cthunman/bellman_ford" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cthunman/bellman_ford"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cthunman/bellman_ford'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cthunman/bellman_ford" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cthunman/bellman_ford"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cthunman/bellman_ford'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe1bf86d294f3793d492d102c01fba173064017c
[INFO] sha for GitHub repo cthunman/bellman_ford: fe1bf86d294f3793d492d102c01fba173064017c
[INFO] validating manifest of cthunman/bellman_ford 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 cthunman/bellman_ford 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 cthunman/bellman_ford
[INFO] finished frobbing cthunman/bellman_ford
[INFO] frobbed toml for cthunman/bellman_ford written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cthunman/bellman_ford/Cargo.toml
[INFO] started frobbing cthunman/bellman_ford
[INFO] finished frobbing cthunman/bellman_ford
[INFO] frobbed toml for cthunman/bellman_ford written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cthunman/bellman_ford/Cargo.toml
[INFO] crate cthunman/bellman_ford 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 cthunman/bellman_ford against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cthunman/bellman_ford:/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] 67a09ed04a8692c9da42f466d1f5d12839fbf46593bb2721fb75e36ff408c84e
[INFO] running `"docker" "start" "-a" "67a09ed04a8692c9da42f466d1f5d12839fbf46593bb2721fb75e36ff408c84e"`
[INFO] [stderr]     Checking bellman_ford v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "67a09ed04a8692c9da42f466d1f5d12839fbf46593bb2721fb75e36ff408c84e"`
[INFO] running `"docker" "rm" "-f" "67a09ed04a8692c9da42f466d1f5d12839fbf46593bb2721fb75e36ff408c84e"`
[INFO] [stdout] 67a09ed04a8692c9da42f466d1f5d12839fbf46593bb2721fb75e36ff408c84e