[INFO] fetching crate tiny_ram_db 0.1.14...
[INFO] checking tiny_ram_db-0.1.14 against beta for pr-78714
[INFO] extracting crate tiny_ram_db 0.1.14 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tiny_ram_db 0.1.14 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 tiny_ram_db 0.1.14
[INFO] finished tweaking crates.io crate tiny_ram_db 0.1.14
[INFO] tweaked toml for crates.io crate tiny_ram_db 0.1.14 written to /workspace/builds/worker-4/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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95b2313494e9297c1aa800f4e445cec67a1d29b33b0dacb05bc1c61a48b34202
[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" "95b2313494e9297c1aa800f4e445cec67a1d29b33b0dacb05bc1c61a48b34202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b2313494e9297c1aa800f4e445cec67a1d29b33b0dacb05bc1c61a48b34202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b2313494e9297c1aa800f4e445cec67a1d29b33b0dacb05bc1c61a48b34202", kill_on_drop: false }`
[INFO] [stdout] 95b2313494e9297c1aa800f4e445cec67a1d29b33b0dacb05bc1c61a48b34202
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f37779ed675428454e3ad0516380fe159a58ec1879cc9ad767f382db8629c761
[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" "f37779ed675428454e3ad0516380fe159a58ec1879cc9ad767f382db8629c761", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking tiny_ram_db v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "f37779ed675428454e3ad0516380fe159a58ec1879cc9ad767f382db8629c761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37779ed675428454e3ad0516380fe159a58ec1879cc9ad767f382db8629c761", kill_on_drop: false }`
[INFO] [stdout] f37779ed675428454e3ad0516380fe159a58ec1879cc9ad767f382db8629c761