[INFO] fetching crate privdrop 0.5.0...
[INFO] checking privdrop-0.5.0 against beta for pr-78714
[INFO] extracting crate privdrop 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate privdrop 0.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate privdrop 0.5.0
[INFO] finished tweaking crates.io crate privdrop 0.5.0
[INFO] tweaked toml for crates.io crate privdrop 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7bc84264dd1977b7b02cec7c3a271faf0fd93f87305fd04067879436d97f6f
[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" "4c7bc84264dd1977b7b02cec7c3a271faf0fd93f87305fd04067879436d97f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7bc84264dd1977b7b02cec7c3a271faf0fd93f87305fd04067879436d97f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7bc84264dd1977b7b02cec7c3a271faf0fd93f87305fd04067879436d97f6f", kill_on_drop: false }`
[INFO] [stdout] 4c7bc84264dd1977b7b02cec7c3a271faf0fd93f87305fd04067879436d97f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "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] 70f184b48fad538636637d535e6896830bce2f18221e56dbb41eb98aaa2d101b
[INFO] running `Command { std: "docker" "start" "-a" "70f184b48fad538636637d535e6896830bce2f18221e56dbb41eb98aaa2d101b", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking privdrop v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.60s
[INFO] running `Command { std: "docker" "inspect" "70f184b48fad538636637d535e6896830bce2f18221e56dbb41eb98aaa2d101b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f184b48fad538636637d535e6896830bce2f18221e56dbb41eb98aaa2d101b", kill_on_drop: false }`
[INFO] [stdout] 70f184b48fad538636637d535e6896830bce2f18221e56dbb41eb98aaa2d101b