[INFO] cloning repository https://github.com/ConnorBP/vulkano-helloworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorBP/vulkano-helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fvulkano-helloworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fvulkano-helloworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bea8c1ba9188315fb02fee44ddb0f5aa4f489280
[INFO] testing ConnorBP/vulkano-helloworld against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fvulkano-helloworld" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorBP/vulkano-helloworld on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConnorBP/vulkano-helloworld
[INFO] finished tweaking git repo https://github.com/ConnorBP/vulkano-helloworld
[INFO] tweaked toml for git repo https://github.com/ConnorBP/vulkano-helloworld written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnorBP/vulkano-helloworld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae6ea0d4116bb8b8c959a36ea10d46c88c638a068e55a18f84ff72b15d0fcc07
[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" "ae6ea0d4116bb8b8c959a36ea10d46c88c638a068e55a18f84ff72b15d0fcc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae6ea0d4116bb8b8c959a36ea10d46c88c638a068e55a18f84ff72b15d0fcc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6ea0d4116bb8b8c959a36ea10d46c88c638a068e55a18f84ff72b15d0fcc07", kill_on_drop: false }`
[INFO] [stdout] ae6ea0d4116bb8b8c959a36ea10d46c88c638a068e55a18f84ff72b15d0fcc07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12688f5e81b2f15fa79e9d0aa96476f9fc3224c7bb063c2ab270c9f36d767263
[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" "12688f5e81b2f15fa79e9d0aa96476f9fc3224c7bb063c2ab270c9f36d767263", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling vk-sys v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.5.0
[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-0.13.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=d56f7531b61cbe1c -C extra-filename=-d56f7531b61cbe1c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-be708b057de9c1af.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-ff4394a7ba76e8a0.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a3aaaff42c23bba7.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-db8f1174cd903021.rmeta --cap-lints allow --cap-lints=warn` (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" "12688f5e81b2f15fa79e9d0aa96476f9fc3224c7bb063c2ab270c9f36d767263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12688f5e81b2f15fa79e9d0aa96476f9fc3224c7bb063c2ab270c9f36d767263", kill_on_drop: false }`
[INFO] [stdout] 12688f5e81b2f15fa79e9d0aa96476f9fc3224c7bb063c2ab270c9f36d767263