[INFO] fetching crate grab-meta 0.1.3...
[INFO] checking grab-meta-0.1.3 against beta for pr-78714
[INFO] extracting crate grab-meta 0.1.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate grab-meta 0.1.3 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 grab-meta 0.1.3
[INFO] finished tweaking crates.io crate grab-meta 0.1.3
[INFO] tweaked toml for crates.io crate grab-meta 0.1.3 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1b7849fa4e29d7ac247560c4820c16b37e9d5d5f75297d2c2e9e307379e33c24
[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" "1b7849fa4e29d7ac247560c4820c16b37e9d5d5f75297d2c2e9e307379e33c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7849fa4e29d7ac247560c4820c16b37e9d5d5f75297d2c2e9e307379e33c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7849fa4e29d7ac247560c4820c16b37e9d5d5f75297d2c2e9e307379e33c24", kill_on_drop: false }`
[INFO] [stdout] 1b7849fa4e29d7ac247560c4820c16b37e9d5d5f75297d2c2e9e307379e33c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 60c0d70c83314a8b8758edbbb674eed09019dfceb6faa2c643ef92880bc9f2c9
[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" "60c0d70c83314a8b8758edbbb674eed09019dfceb6faa2c643ef92880bc9f2c9", kill_on_drop: false }`
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking html5ever v0.25.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking grab-meta v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.76s
[INFO] running `Command { std: "docker" "inspect" "60c0d70c83314a8b8758edbbb674eed09019dfceb6faa2c643ef92880bc9f2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c0d70c83314a8b8758edbbb674eed09019dfceb6faa2c643ef92880bc9f2c9", kill_on_drop: false }`
[INFO] [stdout] 60c0d70c83314a8b8758edbbb674eed09019dfceb6faa2c643ef92880bc9f2c9