[INFO] fetching crate macstats 0.1.3...
[INFO] checking macstats-0.1.3 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate macstats 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate macstats 0.1.3 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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-6/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2270d46ade088dd88443ac0077bce68728ca4b830221c95408c588f59ae14a03
[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" "2270d46ade088dd88443ac0077bce68728ca4b830221c95408c588f59ae14a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2270d46ade088dd88443ac0077bce68728ca4b830221c95408c588f59ae14a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2270d46ade088dd88443ac0077bce68728ca4b830221c95408c588f59ae14a03", kill_on_drop: false }`
[INFO] [stdout] 2270d46ade088dd88443ac0077bce68728ca4b830221c95408c588f59ae14a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70abe3dd4ee05e84235d9d2eb822a88248c5827d754c9c012b7d5b23f66caa3d
[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" "70abe3dd4ee05e84235d9d2eb822a88248c5827d754c9c012b7d5b23f66caa3d", 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" "70abe3dd4ee05e84235d9d2eb822a88248c5827d754c9c012b7d5b23f66caa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70abe3dd4ee05e84235d9d2eb822a88248c5827d754c9c012b7d5b23f66caa3d", kill_on_drop: false }`
[INFO] [stdout] 70abe3dd4ee05e84235d9d2eb822a88248c5827d754c9c012b7d5b23f66caa3d