[INFO] cloning repository https://github.com/lcnr/wgpu_err
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcnr/wgpu_err" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fwgpu_err", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fwgpu_err'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 562211d862eddb521d2ead66eab4a8632153197c
[INFO] checking lcnr/wgpu_err against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fwgpu_err" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lcnr/wgpu_err on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lcnr/wgpu_err
[INFO] finished tweaking git repo https://github.com/lcnr/wgpu_err
[INFO] tweaked toml for git repo https://github.com/lcnr/wgpu_err written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lcnr/wgpu_err already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3920e5eba94179842b5d4adbba9c7749324d44b772c6d89d521b6f59d7894d4b
[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" "3920e5eba94179842b5d4adbba9c7749324d44b772c6d89d521b6f59d7894d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3920e5eba94179842b5d4adbba9c7749324d44b772c6d89d521b6f59d7894d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3920e5eba94179842b5d4adbba9c7749324d44b772c6d89d521b6f59d7894d4b", kill_on_drop: false }`
[INFO] [stdout] 3920e5eba94179842b5d4adbba9c7749324d44b772c6d89d521b6f59d7894d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec67257b304d2355bdc183a775280cd3d18b966fc9dc870551a327879b5a38fa
[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" "ec67257b304d2355bdc183a775280cd3d18b966fc9dc870551a327879b5a38fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking gfx-hal v0.1.0
[INFO] [stderr] error: could not compile `gfx-hal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gfx_hal /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=53392c2f553d3ed8 -C extra-filename=-53392c2f553d3ed8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-cef6f26d48807812.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-370327dee1bda544.rmeta --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-07d1c74ef5ec4fb5.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-08f4dd2c6d741d46/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec67257b304d2355bdc183a775280cd3d18b966fc9dc870551a327879b5a38fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec67257b304d2355bdc183a775280cd3d18b966fc9dc870551a327879b5a38fa", kill_on_drop: false }`
[INFO] [stdout] ec67257b304d2355bdc183a775280cd3d18b966fc9dc870551a327879b5a38fa