[INFO] fetching crate macsmc 0.1.7...
[INFO] testing macsmc-0.1.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate macsmc 0.1.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate macsmc 0.1.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macsmc 0.1.7
[INFO] finished tweaking crates.io crate macsmc 0.1.7
[INFO] tweaked toml for crates.io crate macsmc 0.1.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9886195f6d3b1dde9c2866856aac9c9b4f4e21f3f9531d9fececb20fe3e95e5
[INFO] running `Command { std: "docker" "start" "-a" "a9886195f6d3b1dde9c2866856aac9c9b4f4e21f3f9531d9fececb20fe3e95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9886195f6d3b1dde9c2866856aac9c9b4f4e21f3f9531d9fececb20fe3e95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9886195f6d3b1dde9c2866856aac9c9b4f4e21f3f9531d9fececb20fe3e95e5", kill_on_drop: false }`
[INFO] [stdout] a9886195f6d3b1dde9c2866856aac9c9b4f4e21f3f9531d9fececb20fe3e95e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faab1acde2d4413b72fd9aba64bca8455c086f44771a931ddd52ca84defac499
[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" "faab1acde2d4413b72fd9aba64bca8455c086f44771a931ddd52ca84defac499", kill_on_drop: false }`
[INFO] [stderr]    Compiling macsmc v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: This crate only works on macOS
[INFO] [stdout]   --> 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" "faab1acde2d4413b72fd9aba64bca8455c086f44771a931ddd52ca84defac499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faab1acde2d4413b72fd9aba64bca8455c086f44771a931ddd52ca84defac499", kill_on_drop: false }`
[INFO] [stdout] faab1acde2d4413b72fd9aba64bca8455c086f44771a931ddd52ca84defac499
