[INFO] updating cached repository https://github.com/intdxdt/validate_robust_seq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc0735ef49fd8352e026bc61e4567d1ed6d957d6
[INFO] checking intdxdt/validate_robust_seq against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintdxdt%2Fvalidate_robust_seq" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/intdxdt/validate_robust_seq on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/intdxdt/validate_robust_seq
[INFO] finished tweaking git repo https://github.com/intdxdt/validate_robust_seq
[INFO] tweaked toml for git repo https://github.com/intdxdt/validate_robust_seq written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/intdxdt/validate_robust_seq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/intdxdt/test_float_overlap`
[INFO] [stderr]     Updating git repository `https://github.com/intdxdt/bit_twiddle`
[INFO] [stderr]     Updating git repository `https://github.com/intdxdt/double_bits`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/intdxdt/test_float_overlap`
[INFO] [stderr]     Updating git repository `https://github.com/intdxdt/bit_twiddle`
[INFO] [stderr]     Updating git repository `https://github.com/intdxdt/double_bits`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed3b4e31253087fdfb8cb069d6f808e67bd60255bd3cf3488fe0e569aaf990cb
[INFO] running `Command { std: "docker" "start" "-a" "ed3b4e31253087fdfb8cb069d6f808e67bd60255bd3cf3488fe0e569aaf990cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3b4e31253087fdfb8cb069d6f808e67bd60255bd3cf3488fe0e569aaf990cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3b4e31253087fdfb8cb069d6f808e67bd60255bd3cf3488fe0e569aaf990cb", kill_on_drop: false }`
[INFO] [stdout] ed3b4e31253087fdfb8cb069d6f808e67bd60255bd3cf3488fe0e569aaf990cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5c582f7be35075b04620b4eeca24ec432d355b246a664b9fa920ec7d231ce9f
[INFO] running `Command { std: "docker" "start" "-a" "d5c582f7be35075b04620b4eeca24ec432d355b246a664b9fa920ec7d231ce9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bit_twiddle v0.1.0 (https://github.com/intdxdt/bit_twiddle?branch=master#6e25a172)
[INFO] [stderr]     Checking double_bits v0.1.0 (https://github.com/intdxdt/double_bits?branch=master#e67eff38)
[INFO] [stderr]     Checking test_float_overlap v0.1.0 (https://github.com/intdxdt/test_float_overlap?branch=master#1ef0d021)
[INFO] [stderr]     Checking validate_robust_seq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "d5c582f7be35075b04620b4eeca24ec432d355b246a664b9fa920ec7d231ce9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c582f7be35075b04620b4eeca24ec432d355b246a664b9fa920ec7d231ce9f", kill_on_drop: false }`
[INFO] [stdout] d5c582f7be35075b04620b4eeca24ec432d355b246a664b9fa920ec7d231ce9f