[INFO] cloning repository https://github.com/kgish/rust-ffi-sqrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgish/rust-ffi-sqrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgish%2Frust-ffi-sqrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgish%2Frust-ffi-sqrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aa62d1cc1dc1a302fd730ce496e6715b442cd31
[INFO] checking kgish/rust-ffi-sqrt against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgish%2Frust-ffi-sqrt" "/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/kgish/rust-ffi-sqrt on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kgish/rust-ffi-sqrt
[INFO] finished tweaking git repo https://github.com/kgish/rust-ffi-sqrt
[INFO] tweaked toml for git repo https://github.com/kgish/rust-ffi-sqrt written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kgish/rust-ffi-sqrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94833d3ab9fe035f1c3020e2789c3ac7ba60acf4233d10a789d2b98daa48bba0
[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" "94833d3ab9fe035f1c3020e2789c3ac7ba60acf4233d10a789d2b98daa48bba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94833d3ab9fe035f1c3020e2789c3ac7ba60acf4233d10a789d2b98daa48bba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94833d3ab9fe035f1c3020e2789c3ac7ba60acf4233d10a789d2b98daa48bba0", kill_on_drop: false }`
[INFO] [stdout] 94833d3ab9fe035f1c3020e2789c3ac7ba60acf4233d10a789d2b98daa48bba0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c9c4e5c043868c98cf82b72033be0860ec30b3d84393af5e4c6eed0a553201
[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" "24c9c4e5c043868c98cf82b72033be0860ec30b3d84393af5e4c6eed0a553201", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-ffi-sqrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "24c9c4e5c043868c98cf82b72033be0860ec30b3d84393af5e4c6eed0a553201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c9c4e5c043868c98cf82b72033be0860ec30b3d84393af5e4c6eed0a553201", kill_on_drop: false }`
[INFO] [stdout] 24c9c4e5c043868c98cf82b72033be0860ec30b3d84393af5e4c6eed0a553201