[INFO] fetching crate driverkit 0.8.0...
[INFO] checking driverkit-0.8.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate driverkit 0.8.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate driverkit 0.8.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate driverkit 0.8.0
[INFO] finished tweaking crates.io crate driverkit 0.8.0
[INFO] tweaked toml for crates.io crate driverkit 0.8.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate driverkit 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 846c704f978bfc3e688bcea768540a8275bc0760aae7ef7ec9ac8cfc4c6d5684
[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" "846c704f978bfc3e688bcea768540a8275bc0760aae7ef7ec9ac8cfc4c6d5684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846c704f978bfc3e688bcea768540a8275bc0760aae7ef7ec9ac8cfc4c6d5684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846c704f978bfc3e688bcea768540a8275bc0760aae7ef7ec9ac8cfc4c6d5684", kill_on_drop: false }`
[INFO] [stdout] 846c704f978bfc3e688bcea768540a8275bc0760aae7ef7ec9ac8cfc4c6d5684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf170c5ad2e0aefdf3d547e44407b92324dc78aa0924509fa6932753cc016778
[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" "bf170c5ad2e0aefdf3d547e44407b92324dc78aa0924509fa6932753cc016778", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86 v0.40.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking custom_error v1.9.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking driverkit v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "bf170c5ad2e0aefdf3d547e44407b92324dc78aa0924509fa6932753cc016778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf170c5ad2e0aefdf3d547e44407b92324dc78aa0924509fa6932753cc016778", kill_on_drop: false }`
[INFO] [stdout] bf170c5ad2e0aefdf3d547e44407b92324dc78aa0924509fa6932753cc016778