[INFO] fetching crate cxx-demo 0.0.4...
[INFO] checking cxx-demo-0.0.4 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate cxx-demo 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cxx-demo 0.0.4 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx-demo 0.0.4
[INFO] finished tweaking crates.io crate cxx-demo 0.0.4
[INFO] tweaked toml for crates.io crate cxx-demo 0.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbcd98ba1c442ac19ad41feddbbc3db76e6b16a528a4b036f6c45e87f7873cd5
[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" "cbcd98ba1c442ac19ad41feddbbc3db76e6b16a528a4b036f6c45e87f7873cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbcd98ba1c442ac19ad41feddbbc3db76e6b16a528a4b036f6c45e87f7873cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcd98ba1c442ac19ad41feddbbc3db76e6b16a528a4b036f6c45e87f7873cd5", kill_on_drop: false }`
[INFO] [stdout] cbcd98ba1c442ac19ad41feddbbc3db76e6b16a528a4b036f6c45e87f7873cd5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd1298a5b5bc1c2e1356e5c4da3fa9ef3e13a8215e14b8bd4a5c8d7e354e803
[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" "8dd1298a5b5bc1c2e1356e5c4da3fa9ef3e13a8215e14b8bd4a5c8d7e354e803", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cxxbridge-flags v0.4.7
[INFO] [stderr]    Compiling link-cplusplus v1.0.3
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling cxx v0.4.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cxx-build v0.4.7
[INFO] [stderr]    Compiling cxxbridge-macro v0.4.7
[INFO] [stderr]    Compiling cxx-demo v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.61s
[INFO] running `Command { std: "docker" "inspect" "8dd1298a5b5bc1c2e1356e5c4da3fa9ef3e13a8215e14b8bd4a5c8d7e354e803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd1298a5b5bc1c2e1356e5c4da3fa9ef3e13a8215e14b8bd4a5c8d7e354e803", kill_on_drop: false }`
[INFO] [stdout] 8dd1298a5b5bc1c2e1356e5c4da3fa9ef3e13a8215e14b8bd4a5c8d7e354e803