[INFO] cloning repository https://github.com/bittersweetpuff/sorting_squirrel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bittersweetpuff/sorting_squirrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbittersweetpuff%2Fsorting_squirrel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbittersweetpuff%2Fsorting_squirrel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edbd37912dbd341263b1209661ede496ab8125a3
[INFO] checking bittersweetpuff/sorting_squirrel against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbittersweetpuff%2Fsorting_squirrel" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bittersweetpuff/sorting_squirrel on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bittersweetpuff/sorting_squirrel
[INFO] finished tweaking git repo https://github.com/bittersweetpuff/sorting_squirrel
[INFO] tweaked toml for git repo https://github.com/bittersweetpuff/sorting_squirrel written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bittersweetpuff/sorting_squirrel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fc4cf6b5879712175afff3be3fffed5ea538248a066cbaf5e671e559031839c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1fc4cf6b5879712175afff3be3fffed5ea538248a066cbaf5e671e559031839c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc4cf6b5879712175afff3be3fffed5ea538248a066cbaf5e671e559031839c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc4cf6b5879712175afff3be3fffed5ea538248a066cbaf5e671e559031839c", kill_on_drop: false }`
[INFO] [stdout] 1fc4cf6b5879712175afff3be3fffed5ea538248a066cbaf5e671e559031839c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c29383a1f9c9d65c1f6110f37fc0f1823bc7064edc0e5cbae10f0adca6bf45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0c29383a1f9c9d65c1f6110f37fc0f1823bc7064edc0e5cbae10f0adca6bf45", kill_on_drop: false }`
[INFO] [stderr]     Checking sorting_squirrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b0c29383a1f9c9d65c1f6110f37fc0f1823bc7064edc0e5cbae10f0adca6bf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c29383a1f9c9d65c1f6110f37fc0f1823bc7064edc0e5cbae10f0adca6bf45", kill_on_drop: false }`
[INFO] [stdout] b0c29383a1f9c9d65c1f6110f37fc0f1823bc7064edc0e5cbae10f0adca6bf45