[INFO] cloning repository https://github.com/nbdd0121/x11-over-vsock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbdd0121/x11-over-vsock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbdd0121%2Fx11-over-vsock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbdd0121%2Fx11-over-vsock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eed80cf050c1b9cef76abda637782bc8cf92fe4
[INFO] testing nbdd0121/x11-over-vsock against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbdd0121%2Fx11-over-vsock" "/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/nbdd0121/x11-over-vsock on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nbdd0121/x11-over-vsock
[INFO] finished tweaking git repo https://github.com/nbdd0121/x11-over-vsock
[INFO] tweaked toml for git repo https://github.com/nbdd0121/x11-over-vsock written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nbdd0121/x11-over-vsock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e678f380165da5715c97ec6dab7b8a4fa7887931f16093a84633a4da182eb5d
[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" "1e678f380165da5715c97ec6dab7b8a4fa7887931f16093a84633a4da182eb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e678f380165da5715c97ec6dab7b8a4fa7887931f16093a84633a4da182eb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e678f380165da5715c97ec6dab7b8a4fa7887931f16093a84633a4da182eb5d", kill_on_drop: false }`
[INFO] [stdout] 1e678f380165da5715c97ec6dab7b8a4fa7887931f16093a84633a4da182eb5d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 94d772fc624793e4a7d9b233b95f68c604acd94fb15194a8e2039e36d90f95f9
[INFO] running `Command { std: "docker" "start" "-a" "94d772fc624793e4a7d9b233b95f68c604acd94fb15194a8e2039e36d90f95f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling winreg v0.9.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling widestring v0.4.3
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr] error: failed to run custom build command for `winreg v0.9.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/winreg-bd4f82894763f8e5/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: winreg is only supported on Windows platforms
[INFO] [stderr]   help: if your application is multi-platform, use `[target.'cfg(windows)'.dependencies] winreg = "..."`
[INFO] [stderr]   help: if your application is only supported on Windows, use `--target x86_64-pc-windows-gnu` or some other windows platform
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "94d772fc624793e4a7d9b233b95f68c604acd94fb15194a8e2039e36d90f95f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d772fc624793e4a7d9b233b95f68c604acd94fb15194a8e2039e36d90f95f9", kill_on_drop: false }`
[INFO] [stdout] 94d772fc624793e4a7d9b233b95f68c604acd94fb15194a8e2039e36d90f95f9