[INFO] fetching crate macstats 0.1.3...
[INFO] checking macstats-0.1.3 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate macstats 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate macstats 0.1.3 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-0/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39aa837923df5555aae8cf5ed192cce79f5b829eb8cfa89b22a219f2324f2481
[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" "39aa837923df5555aae8cf5ed192cce79f5b829eb8cfa89b22a219f2324f2481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39aa837923df5555aae8cf5ed192cce79f5b829eb8cfa89b22a219f2324f2481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39aa837923df5555aae8cf5ed192cce79f5b829eb8cfa89b22a219f2324f2481", kill_on_drop: false }`
[INFO] [stdout] 39aa837923df5555aae8cf5ed192cce79f5b829eb8cfa89b22a219f2324f2481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d7fb5ecd1c5308be02cad5d67fc75bb91f2e3fbb54e06c7acfa81972cbcf6d
[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" "e8d7fb5ecd1c5308be02cad5d67fc75bb91f2e3fbb54e06c7acfa81972cbcf6d", kill_on_drop: false }`
[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" "e8d7fb5ecd1c5308be02cad5d67fc75bb91f2e3fbb54e06c7acfa81972cbcf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d7fb5ecd1c5308be02cad5d67fc75bb91f2e3fbb54e06c7acfa81972cbcf6d", kill_on_drop: false }`
[INFO] [stdout] e8d7fb5ecd1c5308be02cad5d67fc75bb91f2e3fbb54e06c7acfa81972cbcf6d