[INFO] cloning repository https://github.com/dflemstr/marble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/marble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 772f08cb64d2b4b4c9b5c3ff2a31fef56b6e1590
[INFO] checking dflemstr/marble against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/marble on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dflemstr/marble
[INFO] finished tweaking git repo https://github.com/dflemstr/marble
[INFO] tweaked toml for git repo https://github.com/dflemstr/marble written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/marble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] a887562f90562e54a51769d2f0db27841ac85af06901d17a54bd4ca8133be220
[INFO] running `Command { std: "docker" "start" "-a" "a887562f90562e54a51769d2f0db27841ac85af06901d17a54bd4ca8133be220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a887562f90562e54a51769d2f0db27841ac85af06901d17a54bd4ca8133be220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a887562f90562e54a51769d2f0db27841ac85af06901d17a54bd4ca8133be220", kill_on_drop: false }`
[INFO] [stdout] a887562f90562e54a51769d2f0db27841ac85af06901d17a54bd4ca8133be220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--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] e8d0c9cb84b9744f5a82f8ad44353713aa1a353499cc7d050c3cb43beeb0ee16
[INFO] running `Command { std: "docker" "start" "-a" "e8d0c9cb84b9744f5a82f8ad44353713aa1a353499cc7d050c3cb43beeb0ee16", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking vk-sys v0.2.1
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking vulkano v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]     Checking error-chain v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.21/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 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=d39d2b1ecc69fbfc -C extra-filename=-d39d2b1ecc69fbfc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "e8d0c9cb84b9744f5a82f8ad44353713aa1a353499cc7d050c3cb43beeb0ee16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d0c9cb84b9744f5a82f8ad44353713aa1a353499cc7d050c3cb43beeb0ee16", kill_on_drop: false }`
[INFO] [stdout] e8d0c9cb84b9744f5a82f8ad44353713aa1a353499cc7d050c3cb43beeb0ee16