[INFO] cloning repository https://github.com/aleksanb/four4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleksanb/four4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b3aa719f0b0ddde02c1b0e5f63827fd7301d98b
[INFO] testing aleksanb/four4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4" "/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/aleksanb/four4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleksanb/four4
[INFO] finished tweaking git repo https://github.com/aleksanb/four4
[INFO] tweaked toml for git repo https://github.com/aleksanb/four4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksanb/four4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f105355d7446f334a6ad26f5de9aec21eec7282d026d29af8ad8112328ea9f8
[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" "3f105355d7446f334a6ad26f5de9aec21eec7282d026d29af8ad8112328ea9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f105355d7446f334a6ad26f5de9aec21eec7282d026d29af8ad8112328ea9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f105355d7446f334a6ad26f5de9aec21eec7282d026d29af8ad8112328ea9f8", kill_on_drop: false }`
[INFO] [stdout] 3f105355d7446f334a6ad26f5de9aec21eec7282d026d29af8ad8112328ea9f8
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63439e9c6afe944e7e7c3d136b1a6783e89aa9f0c97333c951ff604f538b92f
[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" "f63439e9c6afe944e7e7c3d136b1a6783e89aa9f0c97333c951ff604f538b92f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling vulkano v0.9.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling vk-sys v0.3.3
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling half v1.1.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tempfile v3.0.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr] error: could not compile `vulkano`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vulkano /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=9402e7c99b95dfbd -C extra-filename=-9402e7c99b95dfbd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-2dcd519bb7197d80.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-e461bc511369ce67.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-10ce1a9f5df276bf.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-d8255c98acbeab1b.rmeta --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-acb0fb62fe39ee0c.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-bad28d129771aafc.rmeta --extern vk_sys=/opt/rustwide/target/debug/deps/libvk_sys-7e5d411da4a1d0b2.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" "f63439e9c6afe944e7e7c3d136b1a6783e89aa9f0c97333c951ff604f538b92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63439e9c6afe944e7e7c3d136b1a6783e89aa9f0c97333c951ff604f538b92f", kill_on_drop: false }`
[INFO] [stdout] f63439e9c6afe944e7e7c3d136b1a6783e89aa9f0c97333c951ff604f538b92f