[INFO] fetching crate macstats 0.1.3...
[INFO] checking macstats-0.1.3 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate macstats 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate macstats 0.1.3 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macstats 0.1.3
[INFO] finished tweaking crates.io crate macstats 0.1.3
[INFO] tweaked toml for crates.io crate macstats 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate macstats 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macsmc v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40b96749b51ddadaae4662ebde4c7fe500081f76d502d9a7be0d2d48b21c5b9
[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" "c40b96749b51ddadaae4662ebde4c7fe500081f76d502d9a7be0d2d48b21c5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40b96749b51ddadaae4662ebde4c7fe500081f76d502d9a7be0d2d48b21c5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40b96749b51ddadaae4662ebde4c7fe500081f76d502d9a7be0d2d48b21c5b9", kill_on_drop: false }`
[INFO] [stdout] c40b96749b51ddadaae4662ebde4c7fe500081f76d502d9a7be0d2d48b21c5b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235728f5eda639546e4ad012130551d11094c3e1ea1c3f87ae50ac7b53f44f53
[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" "235728f5eda639546e4ad012130551d11094c3e1ea1c3f87ae50ac7b53f44f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking macsmc v0.1.6
[INFO] [stdout] error: This crate only works on macOS
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/macsmc-0.1.6/src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | compile_error!("This crate only works on macOS");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macsmc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "235728f5eda639546e4ad012130551d11094c3e1ea1c3f87ae50ac7b53f44f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235728f5eda639546e4ad012130551d11094c3e1ea1c3f87ae50ac7b53f44f53", kill_on_drop: false }`
[INFO] [stdout] 235728f5eda639546e4ad012130551d11094c3e1ea1c3f87ae50ac7b53f44f53