[INFO] fetching crate nuclear 0.0.1...
[INFO] checking nuclear-0.0.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate nuclear 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nuclear 0.0.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nuclear 0.0.1
[INFO] finished tweaking crates.io crate nuclear 0.0.1
[INFO] tweaked toml for crates.io crate nuclear 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f419aaf9978c643c42dd4e8e898d7597e6ff3e43f735dc0682b63c86de4b5a1
[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" "9f419aaf9978c643c42dd4e8e898d7597e6ff3e43f735dc0682b63c86de4b5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f419aaf9978c643c42dd4e8e898d7597e6ff3e43f735dc0682b63c86de4b5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f419aaf9978c643c42dd4e8e898d7597e6ff3e43f735dc0682b63c86de4b5a1", kill_on_drop: false }`
[INFO] [stdout] 9f419aaf9978c643c42dd4e8e898d7597e6ff3e43f735dc0682b63c86de4b5a1
[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" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 9a8b895b1af8e5b82440b6d2adee0fdc9411dcc1018ce43fa8da7a0e2a73a3b5
[INFO] running `Command { std: "docker" "start" "-a" "9a8b895b1af8e5b82440b6d2adee0fdc9411dcc1018ce43fa8da7a0e2a73a3b5", kill_on_drop: false }`
[INFO] [stderr]     Checking nuclear v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9a8b895b1af8e5b82440b6d2adee0fdc9411dcc1018ce43fa8da7a0e2a73a3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8b895b1af8e5b82440b6d2adee0fdc9411dcc1018ce43fa8da7a0e2a73a3b5", kill_on_drop: false }`
[INFO] [stdout] 9a8b895b1af8e5b82440b6d2adee0fdc9411dcc1018ce43fa8da7a0e2a73a3b5