[INFO] cloning repository https://github.com/YeyaSwizaw/vulkan-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YeyaSwizaw/vulkan-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYeyaSwizaw%2Fvulkan-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYeyaSwizaw%2Fvulkan-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbbb7c4fdeb17b1bb5ba7d0edfdde76d1dc085ea
[INFO] checking YeyaSwizaw/vulkan-experiments against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYeyaSwizaw%2Fvulkan-experiments" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YeyaSwizaw/vulkan-experiments on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YeyaSwizaw/vulkan-experiments
[INFO] finished tweaking git repo https://github.com/YeyaSwizaw/vulkan-experiments
[INFO] tweaked toml for git repo https://github.com/YeyaSwizaw/vulkan-experiments written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/YeyaSwizaw/vulkan-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 0c5bd3d2f7a5e86a945caf2c99341e9f24ef5a16c94af80d3a175b292210e3b2
[INFO] running `Command { std: "docker" "start" "-a" "0c5bd3d2f7a5e86a945caf2c99341e9f24ef5a16c94af80d3a175b292210e3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c5bd3d2f7a5e86a945caf2c99341e9f24ef5a16c94af80d3a175b292210e3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5bd3d2f7a5e86a945caf2c99341e9f24ef5a16c94af80d3a175b292210e3b2", kill_on_drop: false }`
[INFO] [stdout] 0c5bd3d2f7a5e86a945caf2c99341e9f24ef5a16c94af80d3a175b292210e3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d884e8c67e0b0a9472517b77c216a4cc9b553f9f71fe641ae813f3c4da4c3e0
[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" "6d884e8c67e0b0a9472517b77c216a4cc9b553f9f71fe641ae813f3c4da4c3e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling vulkano v0.4.3 (https://github.com/tomaka/vulkano#934169dd)
[INFO] [stderr]     Checking smallvec v0.3.3
[INFO] [stderr]     Checking vk-sys v0.2.3 (https://github.com/tomaka/vulkano#934169dd)
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling cmake v0.1.24
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.2 (https://github.com/tomaka/vulkano#934169dd)
[INFO] [stderr]    Compiling wayland-scanner v0.8.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.8.7
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_json /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-0.9.10/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=1638ff96ad9f6cf8 -C extra-filename=-1638ff96ad9f6cf8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern dtoa=/opt/rustwide/target/debug/deps/libdtoa-9cc802a4846f2cae.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-e988bfe69fc1870d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-233bd5dc3e7f4414.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-513e69a2c9158fa2.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" "6d884e8c67e0b0a9472517b77c216a4cc9b553f9f71fe641ae813f3c4da4c3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d884e8c67e0b0a9472517b77c216a4cc9b553f9f71fe641ae813f3c4da4c3e0", kill_on_drop: false }`
[INFO] [stdout] 6d884e8c67e0b0a9472517b77c216a4cc9b553f9f71fe641ae813f3c4da4c3e0