[INFO] cloning repository https://github.com/kunalmohan/wgpu-prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunalmohan/wgpu-prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalmohan%2Fwgpu-prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalmohan%2Fwgpu-prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebee520eb13e0b0449bbdfcc74904ee6b309db35
[INFO] checking kunalmohan/wgpu-prac against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalmohan%2Fwgpu-prac" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  88% (8/9)   
Checking out files: 100% (9/9)   
Checking out files: 100% (9/9), done.
[INFO] validating manifest of git repo https://github.com/kunalmohan/wgpu-prac 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/kunalmohan/wgpu-prac
[INFO] finished tweaking git repo https://github.com/kunalmohan/wgpu-prac
[INFO] tweaked toml for git repo https://github.com/kunalmohan/wgpu-prac written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kunalmohan/wgpu-prac 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-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" "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] f0998614a860bbb691051a58598e4c90c3dc069c509d78e2c6b4c6517959fc58
[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" "f0998614a860bbb691051a58598e4c90c3dc069c509d78e2c6b4c6517959fc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0998614a860bbb691051a58598e4c90c3dc069c509d78e2c6b4c6517959fc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0998614a860bbb691051a58598e4c90c3dc069c509d78e2c6b4c6517959fc58", kill_on_drop: false }`
[INFO] [stdout] f0998614a860bbb691051a58598e4c90c3dc069c509d78e2c6b4c6517959fc58
[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" "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] 277577c80efa194d1db117293877372a35a6fa9081b7c00e0344fe1573b2dd2e
[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" "277577c80efa194d1db117293877372a35a6fa9081b7c00e0344fe1573b2dd2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking image v0.23.2
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/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=2803a83b38f52f24 -C extra-filename=-2803a83b38f52f24 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e1a9b9121eac1683.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b31c81520e08f43a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1877ec3cbd3ab3ce.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-0ccfc045111cba9c.rmeta --cap-lints allow --cap-lints=forbid` (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" "277577c80efa194d1db117293877372a35a6fa9081b7c00e0344fe1573b2dd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277577c80efa194d1db117293877372a35a6fa9081b7c00e0344fe1573b2dd2e", kill_on_drop: false }`
[INFO] [stdout] 277577c80efa194d1db117293877372a35a6fa9081b7c00e0344fe1573b2dd2e