[INFO] fetching crate rppal_w_frontend 0.0.4...
[INFO] checking rppal_w_frontend-0.0.4 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate rppal_w_frontend 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rppal_w_frontend 0.0.4 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rppal_w_frontend 0.0.4
[INFO] finished tweaking crates.io crate rppal_w_frontend 0.0.4
[INFO] tweaked toml for crates.io crate rppal_w_frontend 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rppal_w_frontend 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8db07dbbd97dfdbfed5d9260afffff250ab4575d18a64635bf1401cf7cbe1566
[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" "8db07dbbd97dfdbfed5d9260afffff250ab4575d18a64635bf1401cf7cbe1566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db07dbbd97dfdbfed5d9260afffff250ab4575d18a64635bf1401cf7cbe1566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db07dbbd97dfdbfed5d9260afffff250ab4575d18a64635bf1401cf7cbe1566", kill_on_drop: false }`
[INFO] [stdout] 8db07dbbd97dfdbfed5d9260afffff250ab4575d18a64635bf1401cf7cbe1566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 8e6620bfd9edf5ba1aa2725a4a098892d7da91908ed8fdad2865c15ee6b36dd1
[INFO] running `Command { std: "docker" "start" "-a" "8e6620bfd9edf5ba1aa2725a4a098892d7da91908ed8fdad2865c15ee6b36dd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]     Checking rppal_w_frontend v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "8e6620bfd9edf5ba1aa2725a4a098892d7da91908ed8fdad2865c15ee6b36dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6620bfd9edf5ba1aa2725a4a098892d7da91908ed8fdad2865c15ee6b36dd1", kill_on_drop: false }`
[INFO] [stdout] 8e6620bfd9edf5ba1aa2725a4a098892d7da91908ed8fdad2865c15ee6b36dd1