[INFO] cloning repository https://github.com/gmadrid/isig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmadrid/isig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fisig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fisig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47f8d21ff6f2814ba77da635d29c0d772bf68b9c
[INFO] testing gmadrid/isig against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fisig" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmadrid/isig on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gmadrid/isig
[INFO] finished tweaking git repo https://github.com/gmadrid/isig
[INFO] tweaked toml for git repo https://github.com/gmadrid/isig written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gmadrid/isig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 7f30a65006a1916280e48446fb2b66186227bf6a5c0f06a89052547f0d3a9538
[INFO] running `Command { std: "docker" "start" "-a" "7f30a65006a1916280e48446fb2b66186227bf6a5c0f06a89052547f0d3a9538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f30a65006a1916280e48446fb2b66186227bf6a5c0f06a89052547f0d3a9538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f30a65006a1916280e48446fb2b66186227bf6a5c0f06a89052547f0d3a9538", kill_on_drop: false }`
[INFO] [stdout] 7f30a65006a1916280e48446fb2b66186227bf6a5c0f06a89052547f0d3a9538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3cbc674e4b17e2e8a7cc6076760b0cfe437f34dd96092c44945738b6614474
[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" "9a3cbc674e4b17e2e8a7cc6076760b0cfe437f34dd96092c44945738b6614474", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.2.2
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling serde v0.8.8
[INFO] [stdout] error: native frameworks are only available on macOS targets
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-foundation-sys` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9a3cbc674e4b17e2e8a7cc6076760b0cfe437f34dd96092c44945738b6614474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3cbc674e4b17e2e8a7cc6076760b0cfe437f34dd96092c44945738b6614474", kill_on_drop: false }`
[INFO] [stdout] 9a3cbc674e4b17e2e8a7cc6076760b0cfe437f34dd96092c44945738b6614474