[INFO] fetching crate tls3 0.0.0...
[INFO] checking tls3-0.0.0 against beta for pr-78714
[INFO] extracting crate tls3 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tls3 0.0.0 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 tls3 0.0.0
[INFO] finished tweaking crates.io crate tls3 0.0.0
[INFO] tweaked toml for crates.io crate tls3 0.0.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f989f9bf3533b900501443a578ceb14b900f4d40520e2b8c5b74bc6e077361
[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" "18f989f9bf3533b900501443a578ceb14b900f4d40520e2b8c5b74bc6e077361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f989f9bf3533b900501443a578ceb14b900f4d40520e2b8c5b74bc6e077361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f989f9bf3533b900501443a578ceb14b900f4d40520e2b8c5b74bc6e077361", kill_on_drop: false }`
[INFO] [stdout] 18f989f9bf3533b900501443a578ceb14b900f4d40520e2b8c5b74bc6e077361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0104f0505824fc9e09b541a9a852bd719f11348f2bef63a2d29928a909cd62f8
[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" "0104f0505824fc9e09b541a9a852bd719f11348f2bef63a2d29928a909cd62f8", kill_on_drop: false }`
[INFO] [stderr]     Checking tls3 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "0104f0505824fc9e09b541a9a852bd719f11348f2bef63a2d29928a909cd62f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0104f0505824fc9e09b541a9a852bd719f11348f2bef63a2d29928a909cd62f8", kill_on_drop: false }`
[INFO] [stdout] 0104f0505824fc9e09b541a9a852bd719f11348f2bef63a2d29928a909cd62f8