[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fisig" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmadrid/isig on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 7766f65e1eafd159f559d907f5816f24f6a0b7602cb547bbdb63f51c99e2f915
[INFO] running `Command { std: "docker" "start" "-a" "7766f65e1eafd159f559d907f5816f24f6a0b7602cb547bbdb63f51c99e2f915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7766f65e1eafd159f559d907f5816f24f6a0b7602cb547bbdb63f51c99e2f915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7766f65e1eafd159f559d907f5816f24f6a0b7602cb547bbdb63f51c99e2f915", kill_on_drop: false }`
[INFO] [stdout] 7766f65e1eafd159f559d907f5816f24f6a0b7602cb547bbdb63f51c99e2f915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] 887eaff7a6fe5a2eca441f1660660653d2e72c7d3ab8a729808de659980109c0
[INFO] running `Command { std: "docker" "start" "-a" "887eaff7a6fe5a2eca441f1660660653d2e72c7d3ab8a729808de659980109c0", 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" "887eaff7a6fe5a2eca441f1660660653d2e72c7d3ab8a729808de659980109c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887eaff7a6fe5a2eca441f1660660653d2e72c7d3ab8a729808de659980109c0", kill_on_drop: false }`
[INFO] [stdout] 887eaff7a6fe5a2eca441f1660660653d2e72c7d3ab8a729808de659980109c0