[INFO] cloning repository https://github.com/existent1al/rust-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/existent1al/rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexistent1al%2Frust-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexistent1al%2Frust-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f5a3e18af86a0bd0ab901d6cfb8b8cb0ff018b5
[INFO] testing existent1al/rust-kernel against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexistent1al%2Frust-kernel" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/existent1al/rust-kernel on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/existent1al/rust-kernel
[INFO] finished tweaking git repo https://github.com/existent1al/rust-kernel
[INFO] tweaked toml for git repo https://github.com/existent1al/rust-kernel written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/existent1al/rust-kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.painc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 5a3f66aec7397d9091d5e2a8b70291b8cf3d18cce99339315866a0bf3f7868ee
[INFO] running `Command { std: "docker" "start" "-a" "5a3f66aec7397d9091d5e2a8b70291b8cf3d18cce99339315866a0bf3f7868ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a3f66aec7397d9091d5e2a8b70291b8cf3d18cce99339315866a0bf3f7868ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3f66aec7397d9091d5e2a8b70291b8cf3d18cce99339315866a0bf3f7868ee", kill_on_drop: false }`
[INFO] [stdout] 5a3f66aec7397d9091d5e2a8b70291b8cf3d18cce99339315866a0bf3f7868ee
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e016a7702c2d895e7f6a9639bbedf697f24a914ef8e8efa6f45a5ae27c9c20dd
[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" "e016a7702c2d895e7f6a9639bbedf697f24a914ef8e8efa6f45a5ae27c9c20dd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.painc
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e016a7702c2d895e7f6a9639bbedf697f24a914ef8e8efa6f45a5ae27c9c20dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e016a7702c2d895e7f6a9639bbedf697f24a914ef8e8efa6f45a5ae27c9c20dd", kill_on_drop: false }`
[INFO] [stdout] e016a7702c2d895e7f6a9639bbedf697f24a914ef8e8efa6f45a5ae27c9c20dd